32 lines
1.5 KiB
LLVM
32 lines
1.5 KiB
LLVM
; RUN: not --crash opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -atomic-expand %s 2>&1 | FileCheck %s
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; The AtomicExpand pass cannot handle missing libcalls (yet) so reports a fatal error.
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; CHECK: LLVM ERROR: expandAtomicOpToLibcall shouldn't fail for Load
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define i32 @atomic_load_global_align1(ptr addrspace(1) %ptr) {
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; GCN-LABEL: @atomic_load_global_align1(
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; GCN-NEXT: [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[PTR:%.*]] to ptr
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; GCN-NEXT: [[TMP3:%.*]] = alloca i32, align 4
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; GCN-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[TMP3]])
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; GCN-NEXT: call void @0(i64 4, ptr [[TMP2]], ptr [[TMP3]], i32 5)
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; GCN-NEXT: [[TMP5:%.*]] = load i32, ptr [[TMP3]], align 4
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; GCN-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[TMP3]])
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; GCN-NEXT: ret i32 [[TMP5]]
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;
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%val = load atomic i32, ptr addrspace(1) %ptr seq_cst, align 1
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ret i32 %val
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}
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define void @atomic_store_global_align1(ptr addrspace(1) %ptr, i32 %val) {
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; GCN-LABEL: @atomic_store_global_align1(
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; GCN-NEXT: [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[PTR:%.*]] to ptr
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; GCN-NEXT: [[TMP3:%.*]] = alloca i32, align 4
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; GCN-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[TMP3]])
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; GCN-NEXT: store i32 [[VAL:%.*]], ptr [[TMP3]], align 4
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; GCN-NEXT: call void @1(i64 4, ptr [[TMP2]], ptr [[TMP3]], i32 0)
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; GCN-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[TMP3]])
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; GCN-NEXT: ret void
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;
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store atomic i32 %val, ptr addrspace(1) %ptr monotonic, align 1
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ret void
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}
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