Vendor import of clang trunk r238337:vendor/clang/clang-trunk-r238337

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 400 insertions, 0 deletions

diff --git a/test/OpenMP/parallel_for_codegen.cpp b/test/OpenMP/parallel_for_codegen.cpp
new file mode 100644
index 000000000000..43bf83269655
--- /dev/null
+++ b/test/OpenMP/parallel_for_codegen.cpp
@@ -0,0 +1,400 @@
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
+//
+// expected-no-diagnostics
+#ifndef HEADER
+#define HEADER
+
+// CHECK-DAG: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
+// CHECK-DAG: [[CAP_TY:%.+]] = type { i8* }
+
+// CHECK-LABEL: with_var_schedule
+void with_var_schedule() {
+  double a = 5;
+// CHECK: [[CHUNK_SIZE:%.+]] = fptosi double %{{.+}}to i8
+// CHECK: store i8 %{{.+}}, i8* [[CHUNK:%.+]],
+// CHECK: [[CHUNK_REF:%.+]] = getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP_ARG:%.+]], i{{.+}} 0, i{{.+}} 0
+// CHECK: store i8* [[CHUNK]], i8** [[CHUNK_REF]],
+// CHECK: [[BITCAST:%.+]] = bitcast [[CAP_TY]]* [[CAP_ARG]] to i8*
+// CHECK: call void {{.+}} @__kmpc_fork_call({{.+}}, i8* [[BITCAST]])
+
+// CHECK: [[CHUNK_REF:%.+]] = getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
+// CHECK: [[CHUNK:%.+]] = load i8*, i8** [[CHUNK_REF]],
+// CHECK: [[CHUNK_VAL:%.+]] = load i8, i8* [[CHUNK]],
+// CHECK: [[CHUNK_SIZE:%.+]] = sext i8 [[CHUNK_VAL]] to i64
+// CHECK: call void @__kmpc_for_static_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC:@[^,]+]], i32 [[GTID:%[^,]+]], i32 33, i32* [[IS_LAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]], i64 1, i64 [[CHUNK_SIZE]])
+// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK: __kmpc_cancel_barrier
+#pragma omp parallel for schedule(static, char(a))
+  for (unsigned long long i = 1; i < 2; ++i) {
+  }
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void without_schedule_clause(float *a, float *b, float *c, float *d) {
+  #pragma omp parallel for
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
+// UB = min(UB, GlobalUB)
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
+// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
+// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
+// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
+// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
+// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
+// Loop header
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (int i = 33; i < 32000000; i += 7) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: calculate i from IV:
+// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
+// CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]]
+// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
+// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void static_not_chunked(float *a, float *b, float *c, float *d) {
+  #pragma omp parallel for schedule(static)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
+// UB = min(UB, GlobalUB)
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
+// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
+// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
+// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
+// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
+// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
+// Loop header
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (int i = 32000000; i > 33; i += -7) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: calculate i from IV:
+// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
+// CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
+// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
+// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void static_chunked(float *a, float *b, float *c, float *d) {
+  #pragma omp parallel for schedule(static, 5)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 33, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5)
+// UB = min(UB, GlobalUB)
+// CHECK: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288
+// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
+// CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
+// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
+// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
+// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
+
+// Outer loop header
+// CHECK: [[O_IV:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[O_UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]]
+// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
+
+// Loop header
+// CHECK: [[O_LOOP1_BODY]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (unsigned i = 131071; i <= 2147483647; i += 127) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: calculate i from IV:
+// CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
+// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127
+// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]]
+// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1
+// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// Update the counters, adding stride
+// CHECK:  [[LB:%.+]] = load i32, i32* [[OMP_LB]]
+// CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]]
+// CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]]
+// CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]]
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[ST:%.+]] = load i32, i32* [[OMP_ST]]
+// CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]]
+// CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]]
+
+// CHECK: [[O_LOOP1_END]]
+// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void dynamic1(float *a, float *b, float *c, float *d) {
+  #pragma omp parallel for schedule(dynamic)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 35, i64 0, i64 16908287, i64 1, i64 1)
+//
+// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
+// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
+// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
+
+// Loop header
+// CHECK: [[O_LOOP1_BODY]]
+// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
+// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
+// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
+
+// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (unsigned long long i = 131071; i < 2147483647; i += 127) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: calculate i from IV:
+// CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]]
+// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
+// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
+// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
+// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: [[O_LOOP1_END]]
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}guided7{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void guided7(float *a, float *b, float *c, float *d) {
+  #pragma omp parallel for schedule(guided, 7)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 36, i64 0, i64 16908287, i64 1, i64 7)
+//
+// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
+// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
+// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
+
+// Loop header
+// CHECK: [[O_LOOP1_BODY]]
+// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
+// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
+// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
+
+// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (unsigned long long i = 131071; i < 2147483647; i += 127) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: calculate i from IV:
+// CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]]
+// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
+// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
+// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]]
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
+// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: [[O_LOOP1_END]]
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void test_auto(float *a, float *b, float *c, float *d) {
+  unsigned int x = 0;
+  unsigned int y = 0;
+  #pragma omp parallel for schedule(auto) collapse(2)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 38, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1)
+//
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]])
+// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
+// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
+
+// Loop header
+// CHECK: [[O_LOOP1_BODY]]
+// CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
+// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
+// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
+
+// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+// FIXME: When the iteration count of some nested loop is not a known constant,
+// we should pre-calculate it, like we do for the total number of iterations!
+  for (char i = static_cast<char>(y); i <= '9'; ++i)
+    for (x = 11; x > 0; --x) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: indices are calculated from IV:
+// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
+// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1
+// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: [[O_LOOP1_END]]
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// CHECK-LABEL: define {{.*void}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
+void runtime(float *a, float *b, float *c, float *d) {
+  int x = 0;
+  #pragma omp parallel for collapse(2) schedule(runtime)
+// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, %{{.+}}*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*), i8* %{{.+}})
+// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* [[GTID_PARAM_ADDR:%.+]], i32* %{{.+}}, %{{.+}}* %{{.+}})
+// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 37, i32 0, i32 199, i32 1, i32 1)
+//
+// CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]])
+// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
+// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
+
+// Loop header
+// CHECK: [[O_LOOP1_BODY]]
+// CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]]
+// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
+// CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
+
+// CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]]
+// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
+// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
+  for (unsigned char i = '0' ; i <= '9'; ++i)
+    for (x = -10; x < 10; ++x) {
+// CHECK: [[LOOP1_BODY]]
+// Start of body: indices are calculated from IV:
+// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
+// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
+// ... loop body ...
+// End of body: store into a[i]:
+// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
+    a[i] = b[i] * c[i] * d[i];
+// CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}
+// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
+// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
+// CHECK-NEXT: br label %{{.+}}
+  }
+// CHECK: [[LOOP1_END]]
+// CHECK: [[O_LOOP1_END]]
+// CHECK: [[GTID_REF:%.+]] = load i32*, i32** [[GTID_REF_ADDR]],
+// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_REF]],
+// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
+// CHECK: ret void
+}
+
+// TERM_DEBUG-LABEL: foo
+int foo() {return 0;};
+
+// TERM_DEBUG-LABEL: parallel_for
+void parallel_for(float *a) {
+#pragma omp parallel for schedule(static, 5)
+  // TERM_DEBUG-NOT: __kmpc_global_thread_num
+  // TERM_DEBUG:     call void @__kmpc_for_static_init_4u({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]]
+  // TERM_DEBUG:     invoke i32 {{.*}}foo{{.*}}()
+  // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
+  // TERM_DEBUG-NOT: __kmpc_global_thread_num
+  // TERM_DEBUG:     call void @__kmpc_for_static_fini({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]]
+  // TERM_DEBUG:     call {{.+}} @__kmpc_cancel_barrier({{.+}}), !dbg [[DBG_LOC_CANCEL:![0-9]+]]
+  // TERM_DEBUG:     [[TERM_LPAD]]
+  // TERM_DEBUG:     call void @__clang_call_terminate
+  // TERM_DEBUG:     unreachable
+  for (unsigned i = 131071; i <= 2147483647; i += 127)
+    a[i] += foo();
+}
+// Check source line corresponds to "#pragma omp parallel for schedule(static, 5)" above:
+// TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-4]],
+// TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-16]],
+// TERM_DEBUG-DAG: [[DBG_LOC_CANCEL]] = !DILocation(line: [[@LINE-17]],
+
+#endif // HEADER
+