46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca < %s | FileCheck %s
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; CHECK-LABEL: @volatile_load(
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; CHECK: alloca [4 x i32]
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; CHECK: load volatile i32, i32*
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define amdgpu_kernel void @volatile_load(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
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entry:
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%stack = alloca [4 x i32], align 4
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%tmp = load i32, i32 addrspace(1)* %in, align 4
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%arrayidx1 = getelementptr inbounds [4 x i32], [4 x i32]* %stack, i32 0, i32 %tmp
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%load = load volatile i32, i32* %arrayidx1
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store i32 %load, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: @volatile_store(
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; CHECK: alloca [4 x i32]
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; CHECK: store volatile i32 %tmp, i32*
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define amdgpu_kernel void @volatile_store(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
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entry:
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%stack = alloca [4 x i32], align 4
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%tmp = load i32, i32 addrspace(1)* %in, align 4
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%arrayidx1 = getelementptr inbounds [4 x i32], [4 x i32]* %stack, i32 0, i32 %tmp
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store volatile i32 %tmp, i32* %arrayidx1
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ret void
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}
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; Has on OK non-volatile user but also a volatile user
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; CHECK-LABEL: @volatile_and_non_volatile_load(
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; CHECK: alloca double
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; CHECK: load double
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; CHECK: load volatile double
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define amdgpu_kernel void @volatile_and_non_volatile_load(double addrspace(1)* nocapture %arg, i32 %arg1) #0 {
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bb:
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%tmp = alloca double, align 8
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store double 0.000000e+00, double* %tmp, align 8
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%tmp4 = load double, double* %tmp, align 8
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%tmp5 = load volatile double, double* %tmp, align 8
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store double %tmp4, double addrspace(1)* %arg
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ret void
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}
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attributes #0 = { nounwind }
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