diff options
Diffstat (limited to 'llvm/test/Transforms/EarlyCSE/intrinsics.ll')
| -rw-r--r-- | llvm/test/Transforms/EarlyCSE/intrinsics.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/EarlyCSE/intrinsics.ll b/llvm/test/Transforms/EarlyCSE/intrinsics.ll new file mode 100644 index 00000000000..0fae469341d --- /dev/null +++ b/llvm/test/Transforms/EarlyCSE/intrinsics.ll @@ -0,0 +1,36 @@ +; RUN: opt < %s -S -mtriple=amdgcn-- -early-cse | FileCheck %s + +; CHECK-LABEL: @no_cse +; CHECK: call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0) +; CHECK: call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0) +define void @no_cse(i32 addrspace(1)* %out, <4 x i32> %in) { + %a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0) + %b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0) + %c = add i32 %a, %b + store i32 %c, i32 addrspace(1)* %out + ret void +} + +; CHECK-LABEL: @cse_zero_offset +; CHECK: [[CSE:%[a-z0-9A-Z]+]] = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0) +; CHECK: add i32 [[CSE]], [[CSE]] +define void @cse_zero_offset(i32 addrspace(1)* %out, <4 x i32> %in) { + %a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0) + %b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0) + %c = add i32 %a, %b + store i32 %c, i32 addrspace(1)* %out + ret void +} + +; CHECK-LABEL: @cse_nonzero_offset +; CHECK: [[CSE:%[a-z0-9A-Z]+]] = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0) +; CHECK: add i32 [[CSE]], [[CSE]] +define void @cse_nonzero_offset(i32 addrspace(1)* %out, <4 x i32> %in) { + %a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0) + %b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0) + %c = add i32 %a, %b + store i32 %c, i32 addrspace(1)* %out + ret void +} + +declare i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> nocapture, i32, i32) |
