diff options
Diffstat (limited to 'test/Transforms/LoopStrengthReduce/AMDGPU/lsr-postinc-pos-addrspace.ll')
-rw-r--r-- | test/Transforms/LoopStrengthReduce/AMDGPU/lsr-postinc-pos-addrspace.ll | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-postinc-pos-addrspace.ll b/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-postinc-pos-addrspace.ll new file mode 100644 index 000000000000..bd80302a68b8 --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-postinc-pos-addrspace.ll @@ -0,0 +1,113 @@ +; RUN: llc -march=amdgcn -mcpu=bonaire -print-lsr-output < %s 2>&1 | FileCheck %s + +; Test various conditions where OptimizeLoopTermCond doesn't look at a +; memory instruction use and fails to find the address space. + +target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" + +; CHECK-LABEL: @local_cmp_user( +; CHECK: bb11: +; CHECK: %lsr.iv1 = phi i32 [ %lsr.iv.next2, %bb ], [ -2, %entry ] +; CHECK: %lsr.iv = phi i32 [ %lsr.iv.next, %bb ], [ undef, %entry ] + +; CHECK: bb: +; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 +; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 +; CHECK: %scevgep = getelementptr i8, i8 addrspace(3)* %t, i32 %lsr.iv.next2 +; CHECK: %c1 = icmp ult i8 addrspace(3)* %scevgep, undef +define void @local_cmp_user() nounwind { +entry: + br label %bb11 + +bb11: + %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] + %ii = shl i32 %i, 1 + %c0 = icmp eq i32 %i, undef + br i1 %c0, label %bb13, label %bb + +bb: + %t = load i8 addrspace(3)*, i8 addrspace(3)* addrspace(3)* undef + %p = getelementptr i8, i8 addrspace(3)* %t, i32 %ii + %c1 = icmp ult i8 addrspace(3)* %p, undef + %i.next = add i32 %i, 1 + br i1 %c1, label %bb11, label %bb13 + +bb13: + unreachable +} + +; CHECK-LABEL: @global_cmp_user( +; CHECK: %lsr.iv.next = add i64 %lsr.iv, -1 +; CHECK: %lsr.iv.next2 = add i64 %lsr.iv1, 2 +; CHECK: %scevgep = getelementptr i8, i8 addrspace(1)* %t, i64 %lsr.iv.next2 +define void @global_cmp_user() nounwind { +entry: + br label %bb11 + +bb11: + %i = phi i64 [ 0, %entry ], [ %i.next, %bb ] + %ii = shl i64 %i, 1 + %c0 = icmp eq i64 %i, undef + br i1 %c0, label %bb13, label %bb + +bb: + %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef + %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii + %c1 = icmp ult i8 addrspace(1)* %p, undef + %i.next = add i64 %i, 1 + br i1 %c1, label %bb11, label %bb13 + +bb13: + unreachable +} + +; CHECK-LABEL: @global_gep_user( +; CHECK: %p = getelementptr i8, i8 addrspace(1)* %t, i32 %lsr.iv1 +; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 +; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 +define void @global_gep_user() nounwind { +entry: + br label %bb11 + +bb11: + %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] + %ii = shl i32 %i, 1 + %c0 = icmp eq i32 %i, undef + br i1 %c0, label %bb13, label %bb + +bb: + %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef + %p = getelementptr i8, i8 addrspace(1)* %t, i32 %ii + %c1 = icmp ult i8 addrspace(1)* %p, undef + %i.next = add i32 %i, 1 + br i1 %c1, label %bb11, label %bb13 + +bb13: + unreachable +} + +; CHECK-LABEL: @global_sext_scale_user( +; CHECK: %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext +; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1 +; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2 +define void @global_sext_scale_user() nounwind { +entry: + br label %bb11 + +bb11: + %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] + %ii = shl i32 %i, 1 + %ii.ext = sext i32 %ii to i64 + %c0 = icmp eq i32 %i, undef + br i1 %c0, label %bb13, label %bb + +bb: + %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef + %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext + %c1 = icmp ult i8 addrspace(1)* %p, undef + %i.next = add i32 %i, 1 + br i1 %c1, label %bb11, label %bb13 + +bb13: + unreachable +} |