57 lines
2.0 KiB
LLVM
57 lines
2.0 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -passes=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, ptr addrspace(5)
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define amdgpu_kernel void @volatile_load(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in) {
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entry:
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%stack = alloca [4 x i32], align 4, addrspace(5)
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%tmp = load i32, ptr addrspace(1) %in, align 4
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%arrayidx1 = getelementptr inbounds [4 x i32], ptr addrspace(5) %stack, i32 0, i32 %tmp
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%load = load volatile i32, ptr addrspace(5) %arrayidx1
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store i32 %load, ptr 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, ptr addrspace(5)
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define amdgpu_kernel void @volatile_store(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in) {
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entry:
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%stack = alloca [4 x i32], align 4, addrspace(5)
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%tmp = load i32, ptr addrspace(1) %in, align 4
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%arrayidx1 = getelementptr inbounds [4 x i32], ptr addrspace(5) %stack, i32 0, i32 %tmp
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store volatile i32 %tmp, ptr addrspace(5) %arrayidx1
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ret void
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}
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; CHECK-LABEL: @volatile_store_vec(
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; CHECK: alloca [4 x i32]
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; CHECK: store volatile <4 x i32>
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define amdgpu_kernel void @volatile_store_vec(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in) {
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entry:
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%stack = alloca [4 x i32], align 4, addrspace(5)
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%tmp = load <4 x i32>, ptr addrspace(1) %in, align 16
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store volatile <4 x i32> %tmp, ptr addrspace(5) %stack
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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(ptr addrspace(1) nocapture %arg, i32 %arg1) #0 {
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bb:
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%tmp = alloca double, align 8, addrspace(5)
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store double 0.000000e+00, ptr addrspace(5) %tmp, align 8
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%tmp4 = load double, ptr addrspace(5) %tmp, align 8
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%tmp5 = load volatile double, ptr addrspace(5) %tmp, align 8
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store double %tmp4, ptr addrspace(1) %arg
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ret void
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}
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attributes #0 = { nounwind }
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