diff options
Diffstat (limited to 'llvm/test/Transforms/EarlyCSE/AMDGPU/memrealtime.ll')
| -rw-r--r-- | llvm/test/Transforms/EarlyCSE/AMDGPU/memrealtime.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Transforms/EarlyCSE/AMDGPU/memrealtime.ll b/llvm/test/Transforms/EarlyCSE/AMDGPU/memrealtime.ll new file mode 100644 index 00000000000..6b42ee8d71e --- /dev/null +++ b/llvm/test/Transforms/EarlyCSE/AMDGPU/memrealtime.ll @@ -0,0 +1,43 @@ +; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -early-cse-memssa < %s | FileCheck %s +target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5" + +; CHECK-LABEL: @memrealtime( +; CHECK: call i64 @llvm.amdgcn.s.memrealtime() +; CHECK: call i64 @llvm.amdgcn.s.memrealtime() +define amdgpu_kernel void @memrealtime(i64 %cycles) #0 { +entry: + %0 = tail call i64 @llvm.amdgcn.s.memrealtime() + %cmp3 = icmp sgt i64 %cycles, 0 + br i1 %cmp3, label %while.body, label %while.end + +while.body: + %1 = tail call i64 @llvm.amdgcn.s.memrealtime() + %sub = sub nsw i64 %1, %0 + %cmp = icmp slt i64 %sub, %cycles + br i1 %cmp, label %while.body, label %while.end + +while.end: + ret void +} + +; CHECK-LABEL: @memtime( +; CHECK: call i64 @llvm.amdgcn.s.memtime() +; CHECK: call i64 @llvm.amdgcn.s.memtime() +define amdgpu_kernel void @memtime(i64 %cycles) #0 { +entry: + %0 = tail call i64 @llvm.amdgcn.s.memtime() + %cmp3 = icmp sgt i64 %cycles, 0 + br i1 %cmp3, label %while.body, label %while.end + +while.body: + %1 = tail call i64 @llvm.amdgcn.s.memtime() + %sub = sub nsw i64 %1, %0 + %cmp = icmp slt i64 %sub, %cycles + br i1 %cmp, label %while.body, label %while.end + +while.end: + ret void +} + +declare i64 @llvm.amdgcn.s.memrealtime() +declare i64 @llvm.amdgcn.s.memtime() |
