37 lines
1.5 KiB
LLVM
37 lines
1.5 KiB
LLVM
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; RUN: opt < %s -S -mtriple=amdgcn-- -early-cse -earlycse-debug-hash | FileCheck %s
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; CHECK-LABEL: @no_cse
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; CHECK: call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0)
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; CHECK: call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0)
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define void @no_cse(i32 addrspace(1)* %out, <4 x i32> %in) {
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%a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0)
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%b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0)
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%c = add i32 %a, %b
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store i32 %c, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: @cse_zero_offset
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; CHECK: [[CSE:%[a-z0-9A-Z]+]] = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0)
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; CHECK: add i32 [[CSE]], [[CSE]]
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define void @cse_zero_offset(i32 addrspace(1)* %out, <4 x i32> %in) {
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%a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0)
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%b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 0, i32 0)
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%c = add i32 %a, %b
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store i32 %c, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: @cse_nonzero_offset
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; CHECK: [[CSE:%[a-z0-9A-Z]+]] = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0)
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; CHECK: add i32 [[CSE]], [[CSE]]
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define void @cse_nonzero_offset(i32 addrspace(1)* %out, <4 x i32> %in) {
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%a = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0)
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%b = call i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> %in, i32 4, i32 0)
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%c = add i32 %a, %b
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store i32 %c, i32 addrspace(1)* %out
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ret void
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}
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declare i32 @llvm.amdgcn.s.buffer.load.i32(<4 x i32> nocapture, i32, i32)
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