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-rw-r--r--test/OpenMP/nvptx_teams_reduction_codegen.cpp1143
1 files changed, 1143 insertions, 0 deletions
diff --git a/test/OpenMP/nvptx_teams_reduction_codegen.cpp b/test/OpenMP/nvptx_teams_reduction_codegen.cpp
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+++ b/test/OpenMP/nvptx_teams_reduction_codegen.cpp
@@ -0,0 +1,1143 @@
+// Test target codegen - host bc file has to be created first.
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
+// RUN: %clang_cc1 -verify -fopenmp -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
+// expected-no-diagnostics
+#ifndef HEADER
+#define HEADER
+
+// Check for the data transfer medium in shared memory to transfer the reduction list to the first warp.
+// CHECK-DAG: [[TRANSFER_STORAGE:@.+]] = common addrspace([[SHARED_ADDRSPACE:[0-9]+]]) global [32 x i64]
+
+// Check that the execution mode of all 3 target regions is set to Generic Mode.
+// CHECK-DAG: {{@__omp_offloading_.+l27}}_exec_mode = weak constant i8 1
+// CHECK-DAG: {{@__omp_offloading_.+l33}}_exec_mode = weak constant i8 1
+// CHECK-DAG: {{@__omp_offloading_.+l40}}_exec_mode = weak constant i8 1
+
+template<typename tx>
+tx ftemplate(int n) {
+ int a;
+ short b;
+ tx c;
+ float d;
+ double e;
+
+ #pragma omp target
+ #pragma omp teams reduction(+: e)
+ {
+ e += 5;
+ }
+
+ #pragma omp target
+ #pragma omp teams reduction(^: c) reduction(*: d)
+ {
+ c ^= 2;
+ d *= 33;
+ }
+
+ #pragma omp target
+ #pragma omp teams reduction(|: a) reduction(max: b)
+ {
+ a |= 1;
+ b = 99 > b ? 99 : b;
+ }
+
+ return a+b+c+d+e;
+}
+
+int bar(int n){
+ int a = 0;
+
+ a += ftemplate<char>(n);
+
+ return a;
+}
+
+ // CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l27}}_worker()
+
+ // CHECK: define {{.*}}void [[T1:@__omp_offloading_.+template.+l27]](
+ //
+ // CHECK: {{call|invoke}} void [[T1]]_worker()
+ //
+ // CHECK: call void @__kmpc_kernel_init(
+ //
+ // CHECK: store double {{[0\.e\+]+}}, double* [[E:%.+]], align
+ // CHECK: [[EV:%.+]] = load double, double* [[E]], align
+ // CHECK: [[ADD:%.+]] = fadd double [[EV]], 5
+ // CHECK: store double [[ADD]], double* [[E]], align
+ // CHECK: [[PTR1:%.+]] = getelementptr inbounds [[RLT:.+]], [1 x i8*]* [[RL:%.+]], i[[SZ:32|64]] 0, i{{32|64}} 0
+ // CHECK: [[E_CAST:%.+]] = bitcast double* [[E]] to i8*
+ // CHECK: store i8* [[E_CAST]], i8** [[PTR1]], align
+ // CHECK: [[ARG_RL:%.+]] = bitcast [[RLT]]* [[RL]] to i8*
+ // CHECK: [[RET:%.+]] = call i32 @__kmpc_nvptx_teams_reduce_nowait(i32 {{.+}}, i32 1, i[[SZ]] {{4|8}}, i8* [[ARG_RL]], void (i8*, i16, i16, i16)* [[SHUFFLE_REDUCE_FN:@.+]], void (i8*, i32)* [[WARP_COPY_FN:@.+]], void (i8*, i8*, i32, i32)* [[SCRATCH_COPY_FN:@.+]], void (i8*, i8*, i32, i32, i32)* [[LOAD_REDUCE_FN:@.+]])
+ // CHECK: [[COND:%.+]] = icmp eq i32 [[RET]], 1
+ // CHECK: br i1 [[COND]], label {{%?}}[[IFLABEL:.+]], label {{%?}}[[EXIT:.+]]
+ //
+ // CHECK: [[IFLABEL]]
+ // CHECK: [[E_INV:%.+]] = load double, double* [[E_IN:%.+]], align
+ // CHECK: [[EV:%.+]] = load double, double* [[E]], align
+ // CHECK: [[ADD:%.+]] = fadd double [[E_INV]], [[EV]]
+ // CHECK: store double [[ADD]], double* [[E_IN]], align
+ // CHECK: call void @__kmpc_nvptx_end_reduce_nowait(
+ // CHECK: br label %[[EXIT]]
+ //
+ // CHECK: [[EXIT]]
+ // CHECK: call void @__kmpc_kernel_deinit()
+
+ //
+ // Reduction function
+ // CHECK: define internal void [[REDUCTION_FUNC:@.+]](i8*, i8*)
+ // CHECK: [[VAR_RHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_RHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR_RHS_VOID:%.+]] = load i8*, i8** [[VAR_RHS_REF]],
+ // CHECK: [[VAR_RHS:%.+]] = bitcast i8* [[VAR_RHS_VOID]] to double*
+ //
+ // CHECK: [[VAR_LHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_LHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR_LHS_VOID:%.+]] = load i8*, i8** [[VAR_LHS_REF]],
+ // CHECK: [[VAR_LHS:%.+]] = bitcast i8* [[VAR_LHS_VOID]] to double*
+ //
+ // CHECK: [[VAR_LHS_VAL:%.+]] = load double, double* [[VAR_LHS]],
+ // CHECK: [[VAR_RHS_VAL:%.+]] = load double, double* [[VAR_RHS]],
+ // CHECK: [[RES:%.+]] = fadd double [[VAR_LHS_VAL]], [[VAR_RHS_VAL]]
+ // CHECK: store double [[RES]], double* [[VAR_LHS]],
+ // CHECK: ret void
+
+ //
+ // Shuffle and reduce function
+ // CHECK: define internal void [[SHUFFLE_REDUCE_FN]](i8*, i16 {{.*}}, i16 {{.*}}, i16 {{.*}})
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT:%.+]] = alloca double
+ //
+ // CHECK: [[LANEID:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[LANEOFFSET:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[ALGVER:%.+]] = load i16, i16* {{.+}}, align
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: [[ELT_VAL:%.+]] = load double, double* [[ELT]], align
+ //
+ // CHECK: [[ELT_CAST:%.+]] = bitcast double [[ELT_VAL]] to i64
+ // CHECK: [[WS32:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[WS:%.+]] = trunc i32 [[WS32]] to i16
+ // CHECK: [[REMOTE_ELT_VAL64:%.+]] = call i64 @__kmpc_shuffle_int64(i64 [[ELT_CAST]], i16 [[LANEOFFSET]], i16 [[WS]])
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = bitcast i64 [[REMOTE_ELT_VAL64]] to double
+ //
+ // CHECK: store double [[REMOTE_ELT_VAL]], double* [[REMOTE_ELT]], align
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = bitcast double* [[REMOTE_ELT]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT_VOID]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // Condition to reduce
+ // CHECK: [[CONDALG0:%.+]] = icmp eq i16 [[ALGVER]], 0
+ //
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp ult i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[CONDALG1:%.+]] = and i1 [[COND1]], [[COND2]]
+ //
+ // CHECK: [[COND3:%.+]] = icmp eq i16 [[ALGVER]], 2
+ // CHECK: [[COND4:%.+]] = and i16 [[LANEID]], 1
+ // CHECK: [[COND5:%.+]] = icmp eq i16 [[COND4]], 0
+ // CHECK: [[COND6:%.+]] = and i1 [[COND3]], [[COND5]]
+ // CHECK: [[COND7:%.+]] = icmp sgt i16 [[LANEOFFSET]], 0
+ // CHECK: [[CONDALG2:%.+]] = and i1 [[COND6]], [[COND7]]
+ //
+ // CHECK: [[COND8:%.+]] = or i1 [[CONDALG0]], [[CONDALG1]]
+ // CHECK: [[SHOULD_REDUCE:%.+]] = or i1 [[COND8]], [[CONDALG2]]
+ // CHECK: br i1 [[SHOULD_REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // Now check if we should just copy over the remote reduction list
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp uge i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[SHOULD_COPY:%.+]] = and i1 [[COND1]], [[COND2]]
+ // CHECK: br i1 [[SHOULD_COPY]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // CHECK: [[DO_COPY]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to double*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load double, double* [[REMOTE_ELT]], align
+ // CHECK: store double [[REMOTE_ELT_VAL]], double* [[ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // CHECK: [[COPY_CONT]]
+ // CHECK: void
+
+ //
+ // Inter warp copy function
+ // CHECK: define internal void [[WARP_COPY_FN]](i8*, i32)
+ // CHECK-DAG: [[LANEID:%.+]] = and i32 {{.+}}, 31
+ // CHECK-DAG: [[WARPID:%.+]] = ashr i32 {{.+}}, 5
+ // CHECK-DAG: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[IS_WARP_MASTER:%.+]] = icmp eq i32 [[LANEID]], 0
+ // CHECK: br i1 [[IS_WARP_MASTER]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // [[DO_COPY]]
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: [[ELT_VAL:%.+]] = load double, double* [[ELT]], align
+ //
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[WARPID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to double addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: store double [[ELT_VAL]], double addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // Barrier after copy to shared memory storage medium.
+ // CHECK: [[COPY_CONT]]
+ // CHECK: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[ACTIVE_THREADS:%.+]] = mul nsw i32 [[ACTIVE_WARPS:%.+]], [[WS]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ //
+ // Read into warp 0.
+ // CHECK: [[IS_W0_ACTIVE_THREAD:%.+]] = icmp ult i32 [[TID:%.+]], [[ACTIVE_WARPS]]
+ // CHECK: br i1 [[IS_W0_ACTIVE_THREAD]], label {{%?}}[[DO_READ:.+]], label {{%?}}[[READ_ELSE:.+]]
+ //
+ // CHECK: [[DO_READ]]
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[TID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to double addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: [[MEDIUM_ELT_VAL:%.+]] = load double, double addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: store double [[MEDIUM_ELT_VAL]], double* [[ELT]], align
+ // CHECK: br label {{%?}}[[READ_CONT:.+]]
+ //
+ // CHECK: [[READ_ELSE]]
+ // CHECK: br label {{%?}}[[READ_CONT]]
+ //
+ // CHECK: [[READ_CONT]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ // CHECK: ret
+
+ //
+ // Copy to scratchpad function
+ // CHECK: define internal void [[SCRATCH_COPY_FN]](i8*, i8*, i32, i32)
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 8, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to double*
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: [[ELT_VAL:%.+]] = load double, double* [[ELT]], align
+ // CHECK: store double [[ELT_VAL]], double* [[SCRATCHPAD_ELT_PTR]], align
+ //
+ // CHECK: ret
+
+ //
+ // Load and reduce function
+ // CHECK: define internal void [[LOAD_REDUCE_FN]](i8*, i8*, i32, i32, i32)
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT:%.+]] = alloca double
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SHOULD_REDUCE:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 8, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to double*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load double, double* [[SCRATCHPAD_ELT_PTR]], align
+ // CHECK: store double [[REMOTE_ELT_VAL]], double* [[REMOTE_ELT]], align
+ // CHECK: [[REMOTE_ELT_PTR:%.+]] = bitcast double* [[REMOTE_ELT]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT_PTR]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[REDUCE:%.+]] = icmp eq i32 [[SHOULD_REDUCE]], 1
+ // CHECK: br i1 [[REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // Copy element from remote reduce list
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to double*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to double*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load double, double* [[REMOTE_ELT]], align
+ // CHECK: store double [[REMOTE_ELT_VAL]], double* [[ELT]], align
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // CHECK: ret
+
+
+
+
+
+
+
+
+
+
+
+ // CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l33}}_worker()
+
+ // CHECK: define {{.*}}void [[T2:@__omp_offloading_.+template.+l33]](
+ //
+ // CHECK: {{call|invoke}} void [[T2]]_worker()
+ //
+ // CHECK: call void @__kmpc_kernel_init(
+ //
+ // CHECK: store float {{1\.[0e\+]+}}, float* [[D:%.+]], align
+ // CHECK: [[C_VAL:%.+]] = load i8, i8* [[C:%.+]], align
+ // CHECK: [[CONV:%.+]] = sext i8 [[C_VAL]] to i32
+ // CHECK: [[XOR:%.+]] = xor i32 [[CONV]], 2
+ // CHECK: [[TRUNC:%.+]] = trunc i32 [[XOR]] to i8
+ // CHECK: store i8 [[TRUNC]], i8* [[C]], align
+ // CHECK: [[DV:%.+]] = load float, float* [[D]], align
+ // CHECK: [[MUL:%.+]] = fmul float [[DV]], {{[0-9e\.\+]+}}
+ // CHECK: store float [[MUL]], float* [[D]], align
+ // CHECK: [[PTR1:%.+]] = getelementptr inbounds [[RLT:.+]], [2 x i8*]* [[RL:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: store i8* [[C]], i8** [[PTR1]], align
+ // CHECK: [[PTR2:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RL]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[D_CAST:%.+]] = bitcast float* [[D]] to i8*
+ // CHECK: store i8* [[D_CAST]], i8** [[PTR2]], align
+ // CHECK: [[ARG_RL:%.+]] = bitcast [[RLT]]* [[RL]] to i8*
+ // CHECK: [[RET:%.+]] = call i32 @__kmpc_nvptx_teams_reduce_nowait(i32 {{.+}}, i32 2, i[[SZ]] {{8|16}}, i8* [[ARG_RL]], void (i8*, i16, i16, i16)* [[SHUFFLE_REDUCE_FN:@.+]], void (i8*, i32)* [[WARP_COPY_FN:@.+]], void (i8*, i8*, i32, i32)* [[SCRATCH_COPY_FN:@.+]], void (i8*, i8*, i32, i32, i32)* [[LOAD_REDUCE_FN:@.+]])
+ // CHECK: [[COND:%.+]] = icmp eq i32 [[RET]], 1
+ // CHECK: br i1 [[COND]], label {{%?}}[[IFLABEL:.+]], label {{%?}}[[EXIT:.+]]
+ //
+ // CHECK: [[IFLABEL]]
+ // CHECK: [[C_INV8:%.+]] = load i8, i8* [[C_IN:%.+]], align
+ // CHECK: [[C_INV:%.+]] = sext i8 [[C_INV8]] to i32
+ // CHECK: [[CV8:%.+]] = load i8, i8* [[C]], align
+ // CHECK: [[CV:%.+]] = sext i8 [[CV8]] to i32
+ // CHECK: [[XOR:%.+]] = xor i32 [[C_INV]], [[CV]]
+ // CHECK: [[TRUNC:%.+]] = trunc i32 [[XOR]] to i8
+ // CHECK: store i8 [[TRUNC]], i8* [[C_IN]], align
+ // CHECK: [[D_INV:%.+]] = load float, float* [[D_IN:%.+]], align
+ // CHECK: [[DV:%.+]] = load float, float* [[D]], align
+ // CHECK: [[MUL:%.+]] = fmul float [[D_INV]], [[DV]]
+ // CHECK: store float [[MUL]], float* [[D_IN]], align
+ // CHECK: call void @__kmpc_nvptx_end_reduce_nowait(
+ // CHECK: br label %[[EXIT]]
+ //
+ // CHECK: [[EXIT]]
+ // CHECK: call void @__kmpc_kernel_deinit()
+
+ //
+ // Reduction function
+ // CHECK: define internal void [[REDUCTION_FUNC:@.+]](i8*, i8*)
+ // CHECK: [[VAR1_RHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_RHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR1_RHS:%.+]] = load i8*, i8** [[VAR1_RHS_REF]],
+ //
+ // CHECK: [[VAR1_LHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_LHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR1_LHS:%.+]] = load i8*, i8** [[VAR1_LHS_REF]],
+ //
+ // CHECK: [[VAR2_RHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_RHS]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[VAR2_RHS_VOID:%.+]] = load i8*, i8** [[VAR2_RHS_REF]],
+ // CHECK: [[VAR2_RHS:%.+]] = bitcast i8* [[VAR2_RHS_VOID]] to float*
+ //
+ // CHECK: [[VAR2_LHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_LHS]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[VAR2_LHS_VOID:%.+]] = load i8*, i8** [[VAR2_LHS_REF]],
+ // CHECK: [[VAR2_LHS:%.+]] = bitcast i8* [[VAR2_LHS_VOID]] to float*
+ //
+ // CHECK: [[VAR1_LHS_VAL8:%.+]] = load i8, i8* [[VAR1_LHS]],
+ // CHECK: [[VAR1_LHS_VAL:%.+]] = sext i8 [[VAR1_LHS_VAL8]] to i32
+ // CHECK: [[VAR1_RHS_VAL8:%.+]] = load i8, i8* [[VAR1_RHS]],
+ // CHECK: [[VAR1_RHS_VAL:%.+]] = sext i8 [[VAR1_RHS_VAL8]] to i32
+ // CHECK: [[XOR:%.+]] = xor i32 [[VAR1_LHS_VAL]], [[VAR1_RHS_VAL]]
+ // CHECK: [[RES:%.+]] = trunc i32 [[XOR]] to i8
+ // CHECK: store i8 [[RES]], i8* [[VAR1_LHS]],
+ //
+ // CHECK: [[VAR2_LHS_VAL:%.+]] = load float, float* [[VAR2_LHS]],
+ // CHECK: [[VAR2_RHS_VAL:%.+]] = load float, float* [[VAR2_RHS]],
+ // CHECK: [[RES:%.+]] = fmul float [[VAR2_LHS_VAL]], [[VAR2_RHS_VAL]]
+ // CHECK: store float [[RES]], float* [[VAR2_LHS]],
+ // CHECK: ret void
+
+ //
+ // Shuffle and reduce function
+ // CHECK: define internal void [[SHUFFLE_REDUCE_FN]](i8*, i16 {{.*}}, i16 {{.*}}, i16 {{.*}})
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT1:%.+]] = alloca i8
+ // CHECK: [[REMOTE_ELT2:%.+]] = alloca float
+ //
+ // CHECK: [[LANEID:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[LANEOFFSET:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[ALGVER:%.+]] = load i16, i16* {{.+}}, align
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VAL:%.+]] = load i8, i8* [[ELT_VOID]], align
+ //
+ // CHECK: [[ELT_CAST:%.+]] = sext i8 [[ELT_VAL]] to i32
+ // CHECK: [[WS32:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[WS:%.+]] = trunc i32 [[WS32]] to i16
+ // CHECK: [[REMOTE_ELT1_VAL32:%.+]] = call i32 @__kmpc_shuffle_int32(i32 [[ELT_CAST]], i16 [[LANEOFFSET]], i16 [[WS]])
+ // CHECK: [[REMOTE_ELT1_VAL:%.+]] = trunc i32 [[REMOTE_ELT1_VAL32]] to i8
+ //
+ // CHECK: store i8 [[REMOTE_ELT1_VAL]], i8* [[REMOTE_ELT1]], align
+ // CHECK: store i8* [[REMOTE_ELT1]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: [[ELT_VAL:%.+]] = load float, float* [[ELT]], align
+ //
+ // CHECK: [[ELT_CAST:%.+]] = bitcast float [[ELT_VAL]] to i32
+ // CHECK: [[WS32:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[WS:%.+]] = trunc i32 [[WS32]] to i16
+ // CHECK: [[REMOTE_ELT2_VAL32:%.+]] = call i32 @__kmpc_shuffle_int32(i32 [[ELT_CAST]], i16 [[LANEOFFSET]], i16 [[WS]])
+ // CHECK: [[REMOTE_ELT2_VAL:%.+]] = bitcast i32 [[REMOTE_ELT2_VAL32]] to float
+ //
+ // CHECK: store float [[REMOTE_ELT2_VAL]], float* [[REMOTE_ELT2]], align
+ // CHECK: [[REMOTE_ELT2C:%.+]] = bitcast float* [[REMOTE_ELT2]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT2C]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // Condition to reduce
+ // CHECK: [[CONDALG0:%.+]] = icmp eq i16 [[ALGVER]], 0
+ //
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp ult i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[CONDALG1:%.+]] = and i1 [[COND1]], [[COND2]]
+ //
+ // CHECK: [[COND3:%.+]] = icmp eq i16 [[ALGVER]], 2
+ // CHECK: [[COND4:%.+]] = and i16 [[LANEID]], 1
+ // CHECK: [[COND5:%.+]] = icmp eq i16 [[COND4]], 0
+ // CHECK: [[COND6:%.+]] = and i1 [[COND3]], [[COND5]]
+ // CHECK: [[COND7:%.+]] = icmp sgt i16 [[LANEOFFSET]], 0
+ // CHECK: [[CONDALG2:%.+]] = and i1 [[COND6]], [[COND7]]
+ //
+ // CHECK: [[COND8:%.+]] = or i1 [[CONDALG0]], [[CONDALG1]]
+ // CHECK: [[SHOULD_REDUCE:%.+]] = or i1 [[COND8]], [[CONDALG2]]
+ // CHECK: br i1 [[SHOULD_REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // Now check if we should just copy over the remote reduction list
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp uge i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[SHOULD_COPY:%.+]] = and i1 [[COND1]], [[COND2]]
+ // CHECK: br i1 [[SHOULD_COPY]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // CHECK: [[DO_COPY]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i8, i8* [[REMOTE_ELT_VOID]], align
+ // CHECK: store i8 [[REMOTE_ELT_VAL]], i8* [[ELT_VOID]], align
+ //
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to float*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load float, float* [[REMOTE_ELT]], align
+ // CHECK: store float [[REMOTE_ELT_VAL]], float* [[ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // CHECK: [[COPY_CONT]]
+ // CHECK: void
+
+ //
+ // Inter warp copy function
+ // CHECK: define internal void [[WARP_COPY_FN]](i8*, i32)
+ // CHECK-DAG: [[LANEID:%.+]] = and i32 {{.+}}, 31
+ // CHECK-DAG: [[WARPID:%.+]] = ashr i32 {{.+}}, 5
+ // CHECK-DAG: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[IS_WARP_MASTER:%.+]] = icmp eq i32 [[LANEID]], 0
+ // CHECK: br i1 [[IS_WARP_MASTER]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // [[DO_COPY]]
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT_VAL:%.+]] = load i8, i8* [[ELT_VOID]], align
+ //
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[WARPID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i8 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: store i8 [[ELT_VAL]], i8 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // Barrier after copy to shared memory storage medium.
+ // CHECK: [[COPY_CONT]]
+ // CHECK: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[ACTIVE_THREADS:%.+]] = mul nsw i32 [[ACTIVE_WARPS:%.+]], [[WS]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ //
+ // Read into warp 0.
+ // CHECK: [[IS_W0_ACTIVE_THREAD:%.+]] = icmp ult i32 [[TID:%.+]], [[ACTIVE_WARPS]]
+ // CHECK: br i1 [[IS_W0_ACTIVE_THREAD]], label {{%?}}[[DO_READ:.+]], label {{%?}}[[READ_ELSE:.+]]
+ //
+ // CHECK: [[DO_READ]]
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[TID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i8 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: [[MEDIUM_ELT_VAL:%.+]] = load i8, i8 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: store i8 [[MEDIUM_ELT_VAL]], i8* [[ELT_VOID]], align
+ // CHECK: br label {{%?}}[[READ_CONT:.+]]
+ //
+ // CHECK: [[READ_ELSE]]
+ // CHECK: br label {{%?}}[[READ_CONT]]
+ //
+ // CHECK: [[READ_CONT]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ // CHECK: [[IS_WARP_MASTER:%.+]] = icmp eq i32 [[LANEID]], 0
+ // CHECK: br i1 [[IS_WARP_MASTER]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // [[DO_COPY]]
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: [[ELT_VAL:%.+]] = load float, float* [[ELT]], align
+ //
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[WARPID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to float addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: store float [[ELT_VAL]], float addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // Barrier after copy to shared memory storage medium.
+ // CHECK: [[COPY_CONT]]
+ // CHECK: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[ACTIVE_THREADS:%.+]] = mul nsw i32 [[ACTIVE_WARPS:%.+]], [[WS]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ //
+ // Read into warp 0.
+ // CHECK: [[IS_W0_ACTIVE_THREAD:%.+]] = icmp ult i32 [[TID:%.+]], [[ACTIVE_WARPS]]
+ // CHECK: br i1 [[IS_W0_ACTIVE_THREAD]], label {{%?}}[[DO_READ:.+]], label {{%?}}[[READ_ELSE:.+]]
+ //
+ // CHECK: [[DO_READ]]
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[TID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to float addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: [[MEDIUM_ELT_VAL:%.+]] = load float, float addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: store float [[MEDIUM_ELT_VAL]], float* [[ELT]], align
+ // CHECK: br label {{%?}}[[READ_CONT:.+]]
+ //
+ // CHECK: [[READ_ELSE]]
+ // CHECK: br label {{%?}}[[READ_CONT]]
+ //
+ // CHECK: [[READ_CONT]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ // CHECK: ret
+
+ //
+ // Copy to scratchpad function
+ // CHECK: define internal void [[SCRATCH_COPY_FN]](i8*, i8*, i32, i32)
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 1, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+ // CHECK: [[ELT_VAL:%.+]] = load i8, i8* [[ELT_VOID]], align
+ // CHECK: store i8 [[ELT_VAL]], i8* [[SCRATCHPAD_ELT_PTR]], align
+ //
+ // CHECK: [[OF:%.+]] = mul i[[SZ]] [[NUM_TEAMS]], 1
+ // CHECK: [[POS1:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[OF]]
+ // CHECK: [[POS2:%.+]] = sub i[[SZ]] [[POS1]], 1
+ // CHECK: [[POS3:%.+]] = sdiv i[[SZ]] [[POS2]], 256
+ // CHECK: [[POS4:%.+]] = add i[[SZ]] [[POS3]], 1
+ // CHECK: [[SCRATCHPAD_NEXT:%.+]] = mul i[[SZ]] [[POS4]], 256
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 4, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD_NEXT]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to float*
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: [[ELT_VAL:%.+]] = load float, float* [[ELT]], align
+ // CHECK: store float [[ELT_VAL]], float* [[SCRATCHPAD_ELT_PTR]], align
+ //
+ // CHECK: ret
+
+ //
+ // Load and reduce function
+ // CHECK: define internal void [[LOAD_REDUCE_FN]](i8*, i8*, i32, i32, i32)
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT1:%.+]] = alloca i8
+ // CHECK: [[REMOTE_ELT2:%.+]] = alloca float
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SHOULD_REDUCE:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 1, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i8, i8* [[SCRATCHPAD_ELT_PTR_VOID]], align
+ // CHECK: store i8 [[REMOTE_ELT_VAL]], i8* [[REMOTE_ELT1]], align
+ // CHECK: store i8* [[REMOTE_ELT1]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[OF:%.+]] = mul i[[SZ]] [[NUM_TEAMS]], 1
+ // CHECK: [[POS1:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[OF]]
+ // CHECK: [[POS2:%.+]] = sub i[[SZ]] [[POS1]], 1
+ // CHECK: [[POS3:%.+]] = sdiv i[[SZ]] [[POS2]], 256
+ // CHECK: [[POS4:%.+]] = add i[[SZ]] [[POS3]], 1
+ // CHECK: [[SCRATCHPAD_NEXT:%.+]] = mul i[[SZ]] [[POS4]], 256
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 4, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD_NEXT]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to float*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load float, float* [[SCRATCHPAD_ELT_PTR]], align
+ // CHECK: store float [[REMOTE_ELT_VAL]], float* [[REMOTE_ELT2]], align
+ // CHECK: [[REMOTE_ELT_PTR:%.+]] = bitcast float* [[REMOTE_ELT2]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT_PTR]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[REDUCE:%.+]] = icmp eq i32 [[SHOULD_REDUCE]], 1
+ // CHECK: br i1 [[REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // Copy element from remote reduce list
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i8, i8* [[REMOTE_ELT_VOID]], align
+ // CHECK: store i8 [[REMOTE_ELT_VAL]], i8* [[ELT_VOID]], align
+ //
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to float*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to float*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load float, float* [[REMOTE_ELT]], align
+ // CHECK: store float [[REMOTE_ELT_VAL]], float* [[ELT]], align
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // CHECK: ret
+
+
+
+
+
+
+
+
+
+
+ // CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l40}}_worker()
+
+ // CHECK: define {{.*}}void [[T3:@__omp_offloading_.+template.+l40]](
+ //
+ // CHECK: {{call|invoke}} void [[T3]]_worker()
+ //
+ // CHECK: call void @__kmpc_kernel_init(
+ //
+ // CHECK: store i32 0, i32* [[A:%.+]], align
+ // CHECK: store i16 -32768, i16* [[B:%.+]], align
+ // CHECK: [[A_VAL:%.+]] = load i32, i32* [[A:%.+]], align
+ // CHECK: [[OR:%.+]] = or i32 [[A_VAL]], 1
+ // CHECK: store i32 [[OR]], i32* [[A]], align
+ // CHECK: [[BV16:%.+]] = load i16, i16* [[B]], align
+ // CHECK: [[BV:%.+]] = sext i16 [[BV16]] to i32
+ // CHECK: [[CMP:%.+]] = icmp sgt i32 99, [[BV]]
+ // CHECK: br i1 [[CMP]], label {{%?}}[[DO_MAX:.+]], label {{%?}}[[MAX_ELSE:.+]]
+ //
+ // CHECK: [[DO_MAX]]
+ // CHECK: br label {{%?}}[[MAX_CONT:.+]]
+ //
+ // CHECK: [[MAX_ELSE]]
+ // CHECK: [[BV:%.+]] = load i16, i16* [[B]], align
+ // CHECK: [[MAX:%.+]] = sext i16 [[BV]] to i32
+ // CHECK: br label {{%?}}[[MAX_CONT]]
+ //
+ // CHECK: [[MAX_CONT]]
+ // CHECK: [[B_LVALUE:%.+]] = phi i32 [ 99, %[[DO_MAX]] ], [ [[MAX]], %[[MAX_ELSE]] ]
+ // CHECK: [[TRUNC:%.+]] = trunc i32 [[B_LVALUE]] to i16
+ // CHECK: store i16 [[TRUNC]], i16* [[B]], align
+ // CHECK: [[PTR1:%.+]] = getelementptr inbounds [[RLT:.+]], [2 x i8*]* [[RL:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[A_CAST:%.+]] = bitcast i32* [[A]] to i8*
+ // CHECK: store i8* [[A_CAST]], i8** [[PTR1]], align
+ // CHECK: [[PTR2:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RL]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[B_CAST:%.+]] = bitcast i16* [[B]] to i8*
+ // CHECK: store i8* [[B_CAST]], i8** [[PTR2]], align
+ // CHECK: [[ARG_RL:%.+]] = bitcast [[RLT]]* [[RL]] to i8*
+ // CHECK: [[RET:%.+]] = call i32 @__kmpc_nvptx_teams_reduce_nowait(i32 {{.+}}, i32 2, i[[SZ]] {{8|16}}, i8* [[ARG_RL]], void (i8*, i16, i16, i16)* [[SHUFFLE_REDUCE_FN:@.+]], void (i8*, i32)* [[WARP_COPY_FN:@.+]], void (i8*, i8*, i32, i32)* [[SCRATCH_COPY_FN:@.+]], void (i8*, i8*, i32, i32, i32)* [[LOAD_REDUCE_FN:@.+]])
+ // CHECK: [[COND:%.+]] = icmp eq i32 [[RET]], 1
+ // CHECK: br i1 [[COND]], label {{%?}}[[IFLABEL:.+]], label {{%?}}[[EXIT:.+]]
+ //
+ // CHECK: [[IFLABEL]]
+ // CHECK: [[A_INV:%.+]] = load i32, i32* [[A_IN:%.+]], align
+ // CHECK: [[AV:%.+]] = load i32, i32* [[A]], align
+ // CHECK: [[OR:%.+]] = or i32 [[A_INV]], [[AV]]
+ // CHECK: store i32 [[OR]], i32* [[A_IN]], align
+ // CHECK: [[B_INV16:%.+]] = load i16, i16* [[B_IN:%.+]], align
+ // CHECK: [[B_INV:%.+]] = sext i16 [[B_INV16]] to i32
+ // CHECK: [[BV16:%.+]] = load i16, i16* [[B]], align
+ // CHECK: [[BV:%.+]] = sext i16 [[BV16]] to i32
+ // CHECK: [[CMP:%.+]] = icmp sgt i32 [[B_INV]], [[BV]]
+ // CHECK: br i1 [[CMP]], label {{%?}}[[DO_MAX:.+]], label {{%?}}[[MAX_ELSE:.+]]
+ //
+ // CHECK: [[DO_MAX]]
+ // CHECK: [[MAX1:%.+]] = load i16, i16* [[B_IN]], align
+ // CHECK: br label {{%?}}[[MAX_CONT:.+]]
+ //
+ // CHECK: [[MAX_ELSE]]
+ // CHECK: [[MAX2:%.+]] = load i16, i16* [[B]], align
+ // CHECK: br label {{%?}}[[MAX_CONT]]
+ //
+ // CHECK: [[MAX_CONT]]
+ // CHECK: [[B_MAX:%.+]] = phi i16 [ [[MAX1]], %[[DO_MAX]] ], [ [[MAX2]], %[[MAX_ELSE]] ]
+ // CHECK: store i16 [[B_MAX]], i16* [[B_IN]], align
+ // CHECK: call void @__kmpc_nvptx_end_reduce_nowait(
+ // CHECK: br label %[[EXIT]]
+ //
+ // CHECK: [[EXIT]]
+ // CHECK: call void @__kmpc_kernel_deinit()
+
+ //
+ // Reduction function
+ // CHECK: define internal void [[REDUCTION_FUNC:@.+]](i8*, i8*)
+ // CHECK: [[VAR1_RHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_RHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR1_RHS_VOID:%.+]] = load i8*, i8** [[VAR1_RHS_REF]],
+ // CHECK: [[VAR1_RHS:%.+]] = bitcast i8* [[VAR1_RHS_VOID]] to i32*
+ //
+ // CHECK: [[VAR1_LHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_LHS:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[VAR1_LHS_VOID:%.+]] = load i8*, i8** [[VAR1_LHS_REF]],
+ // CHECK: [[VAR1_LHS:%.+]] = bitcast i8* [[VAR1_LHS_VOID]] to i32*
+ //
+ // CHECK: [[VAR2_RHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_RHS]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[VAR2_RHS_VOID:%.+]] = load i8*, i8** [[VAR2_RHS_REF]],
+ // CHECK: [[VAR2_RHS:%.+]] = bitcast i8* [[VAR2_RHS_VOID]] to i16*
+ //
+ // CHECK: [[VAR2_LHS_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST_LHS]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[VAR2_LHS_VOID:%.+]] = load i8*, i8** [[VAR2_LHS_REF]],
+ // CHECK: [[VAR2_LHS:%.+]] = bitcast i8* [[VAR2_LHS_VOID]] to i16*
+ //
+ // CHECK: [[VAR1_LHS_VAL:%.+]] = load i32, i32* [[VAR1_LHS]],
+ // CHECK: [[VAR1_RHS_VAL:%.+]] = load i32, i32* [[VAR1_RHS]],
+ // CHECK: [[OR:%.+]] = or i32 [[VAR1_LHS_VAL]], [[VAR1_RHS_VAL]]
+ // CHECK: store i32 [[OR]], i32* [[VAR1_LHS]],
+ //
+ // CHECK: [[VAR2_LHS_VAL16:%.+]] = load i16, i16* [[VAR2_LHS]],
+ // CHECK: [[VAR2_LHS_VAL:%.+]] = sext i16 [[VAR2_LHS_VAL16]] to i32
+ // CHECK: [[VAR2_RHS_VAL16:%.+]] = load i16, i16* [[VAR2_RHS]],
+ // CHECK: [[VAR2_RHS_VAL:%.+]] = sext i16 [[VAR2_RHS_VAL16]] to i32
+ //
+ // CHECK: [[CMP:%.+]] = icmp sgt i32 [[VAR2_LHS_VAL]], [[VAR2_RHS_VAL]]
+ // CHECK: br i1 [[CMP]], label {{%?}}[[DO_MAX:.+]], label {{%?}}[[MAX_ELSE:.+]]
+ //
+ // CHECK: [[DO_MAX]]
+ // CHECK: [[MAX1:%.+]] = load i16, i16* [[VAR2_LHS]], align
+ // CHECK: br label {{%?}}[[MAX_CONT:.+]]
+ //
+ // CHECK: [[MAX_ELSE]]
+ // CHECK: [[MAX2:%.+]] = load i16, i16* [[VAR2_RHS]], align
+ // CHECK: br label {{%?}}[[MAX_CONT]]
+ //
+ // CHECK: [[MAX_CONT]]
+ // CHECK: [[MAXV:%.+]] = phi i16 [ [[MAX1]], %[[DO_MAX]] ], [ [[MAX2]], %[[MAX_ELSE]] ]
+ // CHECK: store i16 [[MAXV]], i16* [[VAR2_LHS]],
+ // CHECK: ret void
+
+ //
+ // Shuffle and reduce function
+ // CHECK: define internal void [[SHUFFLE_REDUCE_FN]](i8*, i16 {{.*}}, i16 {{.*}}, i16 {{.*}})
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT1:%.+]] = alloca i32
+ // CHECK: [[REMOTE_ELT2:%.+]] = alloca i16
+ //
+ // CHECK: [[LANEID:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[LANEOFFSET:%.+]] = load i16, i16* {{.+}}, align
+ // CHECK: [[ALGVER:%.+]] = load i16, i16* {{.+}}, align
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: [[ELT_VAL:%.+]] = load i32, i32* [[ELT]], align
+ //
+ // CHECK: [[WS32:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[WS:%.+]] = trunc i32 [[WS32]] to i16
+ // CHECK: [[REMOTE_ELT1_VAL:%.+]] = call i32 @__kmpc_shuffle_int32(i32 [[ELT_VAL]], i16 [[LANEOFFSET]], i16 [[WS]])
+ //
+ // CHECK: store i32 [[REMOTE_ELT1_VAL]], i32* [[REMOTE_ELT1]], align
+ // CHECK: [[REMOTE_ELT1C:%.+]] = bitcast i32* [[REMOTE_ELT1]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT1C]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: [[ELT_VAL:%.+]] = load i16, i16* [[ELT]], align
+ //
+ // CHECK: [[ELT_CAST:%.+]] = sext i16 [[ELT_VAL]] to i32
+ // CHECK: [[WS32:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[WS:%.+]] = trunc i32 [[WS32]] to i16
+ // CHECK: [[REMOTE_ELT2_VAL32:%.+]] = call i32 @__kmpc_shuffle_int32(i32 [[ELT_CAST]], i16 [[LANEOFFSET]], i16 [[WS]])
+ // CHECK: [[REMOTE_ELT2_VAL:%.+]] = trunc i32 [[REMOTE_ELT2_VAL32]] to i16
+ //
+ // CHECK: store i16 [[REMOTE_ELT2_VAL]], i16* [[REMOTE_ELT2]], align
+ // CHECK: [[REMOTE_ELT2C:%.+]] = bitcast i16* [[REMOTE_ELT2]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT2C]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // Condition to reduce
+ // CHECK: [[CONDALG0:%.+]] = icmp eq i16 [[ALGVER]], 0
+ //
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp ult i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[CONDALG1:%.+]] = and i1 [[COND1]], [[COND2]]
+ //
+ // CHECK: [[COND3:%.+]] = icmp eq i16 [[ALGVER]], 2
+ // CHECK: [[COND4:%.+]] = and i16 [[LANEID]], 1
+ // CHECK: [[COND5:%.+]] = icmp eq i16 [[COND4]], 0
+ // CHECK: [[COND6:%.+]] = and i1 [[COND3]], [[COND5]]
+ // CHECK: [[COND7:%.+]] = icmp sgt i16 [[LANEOFFSET]], 0
+ // CHECK: [[CONDALG2:%.+]] = and i1 [[COND6]], [[COND7]]
+ //
+ // CHECK: [[COND8:%.+]] = or i1 [[CONDALG0]], [[CONDALG1]]
+ // CHECK: [[SHOULD_REDUCE:%.+]] = or i1 [[COND8]], [[CONDALG2]]
+ // CHECK: br i1 [[SHOULD_REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // Now check if we should just copy over the remote reduction list
+ // CHECK: [[COND1:%.+]] = icmp eq i16 [[ALGVER]], 1
+ // CHECK: [[COND2:%.+]] = icmp uge i16 [[LANEID]], [[LANEOFFSET]]
+ // CHECK: [[SHOULD_COPY:%.+]] = and i1 [[COND1]], [[COND2]]
+ // CHECK: br i1 [[SHOULD_COPY]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // CHECK: [[DO_COPY]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to i32*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i32, i32* [[REMOTE_ELT]], align
+ // CHECK: store i32 [[REMOTE_ELT_VAL]], i32* [[ELT]], align
+ //
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to i16*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i16, i16* [[REMOTE_ELT]], align
+ // CHECK: store i16 [[REMOTE_ELT_VAL]], i16* [[ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // CHECK: [[COPY_CONT]]
+ // CHECK: void
+
+ //
+ // Inter warp copy function
+ // CHECK: define internal void [[WARP_COPY_FN]](i8*, i32)
+ // CHECK-DAG: [[LANEID:%.+]] = and i32 {{.+}}, 31
+ // CHECK-DAG: [[WARPID:%.+]] = ashr i32 {{.+}}, 5
+ // CHECK-DAG: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[IS_WARP_MASTER:%.+]] = icmp eq i32 [[LANEID]], 0
+ // CHECK: br i1 [[IS_WARP_MASTER]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // [[DO_COPY]]
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: [[ELT_VAL:%.+]] = load i32, i32* [[ELT]], align
+ //
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[WARPID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i32 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: store i32 [[ELT_VAL]], i32 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // Barrier after copy to shared memory storage medium.
+ // CHECK: [[COPY_CONT]]
+ // CHECK: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[ACTIVE_THREADS:%.+]] = mul nsw i32 [[ACTIVE_WARPS:%.+]], [[WS]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ //
+ // Read into warp 0.
+ // CHECK: [[IS_W0_ACTIVE_THREAD:%.+]] = icmp ult i32 [[TID:%.+]], [[ACTIVE_WARPS]]
+ // CHECK: br i1 [[IS_W0_ACTIVE_THREAD]], label {{%?}}[[DO_READ:.+]], label {{%?}}[[READ_ELSE:.+]]
+ //
+ // CHECK: [[DO_READ]]
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[TID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i32 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: [[MEDIUM_ELT_VAL:%.+]] = load i32, i32 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: store i32 [[MEDIUM_ELT_VAL]], i32* [[ELT]], align
+ // CHECK: br label {{%?}}[[READ_CONT:.+]]
+ //
+ // CHECK: [[READ_ELSE]]
+ // CHECK: br label {{%?}}[[READ_CONT]]
+ //
+ // CHECK: [[READ_CONT]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ // CHECK: [[IS_WARP_MASTER:%.+]] = icmp eq i32 [[LANEID]], 0
+ // CHECK: br i1 [[IS_WARP_MASTER]], label {{%?}}[[DO_COPY:.+]], label {{%?}}[[COPY_ELSE:.+]]
+ //
+ // [[DO_COPY]]
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: [[ELT_VAL:%.+]] = load i16, i16* [[ELT]], align
+ //
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[WARPID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i16 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: store i16 [[ELT_VAL]], i16 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: br label {{%?}}[[COPY_CONT:.+]]
+ //
+ // CHECK: [[COPY_ELSE]]
+ // CHECK: br label {{%?}}[[COPY_CONT]]
+ //
+ // Barrier after copy to shared memory storage medium.
+ // CHECK: [[COPY_CONT]]
+ // CHECK: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
+ // CHECK: [[ACTIVE_THREADS:%.+]] = mul nsw i32 [[ACTIVE_WARPS:%.+]], [[WS]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ //
+ // Read into warp 0.
+ // CHECK: [[IS_W0_ACTIVE_THREAD:%.+]] = icmp ult i32 [[TID:%.+]], [[ACTIVE_WARPS]]
+ // CHECK: br i1 [[IS_W0_ACTIVE_THREAD]], label {{%?}}[[DO_READ:.+]], label {{%?}}[[READ_ELSE:.+]]
+ //
+ // CHECK: [[DO_READ]]
+ // CHECK: [[MEDIUM_ELT64:%.+]] = getelementptr inbounds [32 x i64], [32 x i64] addrspace([[SHARED_ADDRSPACE]])* [[TRANSFER_STORAGE]], i64 0, i32 [[TID]]
+ // CHECK: [[MEDIUM_ELT:%.+]] = bitcast i64 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT64]] to i16 addrspace([[SHARED_ADDRSPACE]])*
+ // CHECK: [[MEDIUM_ELT_VAL:%.+]] = load i16, i16 addrspace([[SHARED_ADDRSPACE]])* [[MEDIUM_ELT]], align
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: store i16 [[MEDIUM_ELT_VAL]], i16* [[ELT]], align
+ // CHECK: br label {{%?}}[[READ_CONT:.+]]
+ //
+ // CHECK: [[READ_ELSE]]
+ // CHECK: br label {{%?}}[[READ_CONT]]
+ //
+ // CHECK: [[READ_CONT]]
+ // CHECK: call void @llvm.nvvm.barrier(i32 1, i32 [[ACTIVE_THREADS]])
+ // CHECK: ret
+
+ //
+ // Copy to scratchpad function
+ // CHECK: define internal void [[SCRATCH_COPY_FN]](i8*, i8*, i32, i32)
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 4, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to i32*
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: [[ELT_VAL:%.+]] = load i32, i32* [[ELT]], align
+ // CHECK: store i32 [[ELT_VAL]], i32* [[SCRATCHPAD_ELT_PTR]], align
+ //
+ // CHECK: [[OF:%.+]] = mul i[[SZ]] [[NUM_TEAMS]], 4
+ // CHECK: [[POS1:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[OF]]
+ // CHECK: [[POS2:%.+]] = sub i[[SZ]] [[POS1]], 1
+ // CHECK: [[POS3:%.+]] = sdiv i[[SZ]] [[POS2]], 256
+ // CHECK: [[POS4:%.+]] = add i[[SZ]] [[POS3]], 1
+ // CHECK: [[SCRATCHPAD_NEXT:%.+]] = mul i[[SZ]] [[POS4]], 256
+ //
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 2, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD_NEXT]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to i16*
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: [[ELT_VAL:%.+]] = load i16, i16* [[ELT]], align
+ // CHECK: store i16 [[ELT_VAL]], i16* [[SCRATCHPAD_ELT_PTR]], align
+ //
+ // CHECK: ret
+
+ //
+ // Load and reduce function
+ // CHECK: define internal void [[LOAD_REDUCE_FN]](i8*, i8*, i32, i32, i32)
+ // CHECK: [[REMOTE_RED_LIST:%.+]] = alloca [[RLT]], align
+ // CHECK: [[REMOTE_ELT1:%.+]] = alloca i32
+ // CHECK: [[REMOTE_ELT2:%.+]] = alloca i16
+ // CHECK: [[RED_LIST:%.+]] = bitcast i8* {{.+}} to [[RLT]]*
+ // CHECK: [[SCRATCHPAD_PTR:%.+]] = load i8*, i8** {{.+}}, align
+ // CHECK-64: [[TEAM32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[TEAM:%.+]] = sext i32 [[TEAM32]] to i64
+ // CHECK-32: [[TEAM:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS32:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK-64: [[NUM_TEAMS:%.+]] = sext i32 [[NUM_TEAMS32]] to i64
+ // CHECK-32: [[NUM_TEAMS:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SHOULD_REDUCE:%.+]] = load i32, i32* {{.+}}, align
+ // CHECK: [[SCRATCHPAD:%.+]] = ptrtoint i8* [[SCRATCHPAD_PTR]] to i[[SZ]]
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 4, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to i32*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i32, i32* [[SCRATCHPAD_ELT_PTR]], align
+ // CHECK: store i32 [[REMOTE_ELT_VAL]], i32* [[REMOTE_ELT1]], align
+ // CHECK: [[REMOTE_ELT1_PTR:%.+]] = bitcast i32* [[REMOTE_ELT1]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT1_PTR]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[OF:%.+]] = mul i[[SZ]] [[NUM_TEAMS]], 4
+ // CHECK: [[POS1:%.+]] = add i[[SZ]] [[SCRATCHPAD]], [[OF]]
+ // CHECK: [[POS2:%.+]] = sub i[[SZ]] [[POS1]], 1
+ // CHECK: [[POS3:%.+]] = sdiv i[[SZ]] [[POS2]], 256
+ // CHECK: [[POS4:%.+]] = add i[[SZ]] [[POS3]], 1
+ // CHECK: [[SCRATCHPAD_NEXT:%.+]] = mul i[[SZ]] [[POS4]], 256
+ //
+ // CHECK: [[P:%.+]] = mul i[[SZ]] 2, [[TEAM]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR64:%.+]] = add i[[SZ]] [[SCRATCHPAD_NEXT]], [[P]]
+ // CHECK: [[SCRATCHPAD_ELT_PTR_VOID:%.+]] = inttoptr i[[SZ]] [[SCRATCHPAD_ELT_PTR64]] to i8*
+
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[SCRATCHPAD_ELT_PTR:%.+]] = bitcast i8* [[SCRATCHPAD_ELT_PTR_VOID]] to i16*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i16, i16* [[SCRATCHPAD_ELT_PTR]], align
+ // CHECK: store i16 [[REMOTE_ELT_VAL]], i16* [[REMOTE_ELT2]], align
+ // CHECK: [[REMOTE_ELT_PTR:%.+]] = bitcast i16* [[REMOTE_ELT2]] to i8*
+ // CHECK: store i8* [[REMOTE_ELT_PTR]], i8** [[REMOTE_ELT_REF]], align
+ //
+ // CHECK: [[REDUCE:%.+]] = icmp eq i32 [[SHOULD_REDUCE]], 1
+ // CHECK: br i1 [[REDUCE]], label {{%?}}[[DO_REDUCE:.+]], label {{%?}}[[REDUCE_ELSE:.+]]
+ //
+ // CHECK: [[DO_REDUCE]]
+ // CHECK: [[RED_LIST1_VOID:%.+]] = bitcast [[RLT]]* [[RED_LIST]] to i8*
+ // CHECK: [[RED_LIST2_VOID:%.+]] = bitcast [[RLT]]* [[REMOTE_RED_LIST]] to i8*
+ // CHECK: call void [[REDUCTION_FUNC]](i8* [[RED_LIST1_VOID]], i8* [[RED_LIST2_VOID]])
+ // CHECK: br label {{%?}}[[REDUCE_CONT:.+]]
+ //
+ // Copy element from remote reduce list
+ // CHECK: [[REDUCE_ELSE]]
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 0
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i32*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to i32*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i32, i32* [[REMOTE_ELT]], align
+ // CHECK: store i32 [[REMOTE_ELT_VAL]], i32* [[ELT]], align
+ //
+ // CHECK: [[REMOTE_ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[REMOTE_RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[REMOTE_ELT_VOID:%.+]] = load i8*, i8** [[REMOTE_ELT_REF]],
+ // CHECK: [[ELT_REF:%.+]] = getelementptr inbounds [[RLT]], [[RLT]]* [[RED_LIST:%.+]], i[[SZ]] 0, i[[SZ]] 1
+ // CHECK: [[ELT_VOID:%.+]] = load i8*, i8** [[ELT_REF]],
+ // CHECK: [[ELT:%.+]] = bitcast i8* [[ELT_VOID]] to i16*
+ // CHECK: [[REMOTE_ELT:%.+]] = bitcast i8* [[REMOTE_ELT_VOID]] to i16*
+ // CHECK: [[REMOTE_ELT_VAL:%.+]] = load i16, i16* [[REMOTE_ELT]], align
+ // CHECK: store i16 [[REMOTE_ELT_VAL]], i16* [[ELT]], align
+ // CHECK: br label {{%?}}[[REDUCE_CONT]]
+ //
+ // CHECK: [[REDUCE_CONT]]
+ // CHECK: ret
+
+
+#endif