derek.holloway
7502bf64a4
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50 lines
2.3 KiB
LLVM
50 lines
2.3 KiB
LLVM
; RUN: not opt --mtriple=amdgcn --passes='lint<abort-on-error>' %s -disable-output 2>&1 | FileCheck %s
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; RUN: opt --mtriple=amdgcn --mcpu=gfx1030 --passes=lint %s -disable-output 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK0
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; RUN: opt --mtriple=x86_64 --passes='lint<abort-on-error>' %s -disable-output 2>&1 | FileCheck %s --allow-empty --check-prefix=NOERR
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; NOERR: {{^$}}
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define amdgpu_kernel void @store_const(ptr addrspace(4) %out, i32 %a, i32 %b) {
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; CHECK: Undefined behavior: Write to memory in const addrspace
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; CHECK-NEXT: store i32 %r, ptr addrspace(4) %out
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%r = add i32 %a, %b
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store i32 %r, ptr addrspace(4) %out
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ret void
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}
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declare void @llvm.memset.p4.i64(ptr addrspace(4) noalias nocapture writeonly, i8, i64, i1)
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define amdgpu_kernel void @memset_const(ptr addrspace(4) %dst) {
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; CHECK0: Undefined behavior: Write to memory in const addrspace
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; CHECK0-NEXT: call void @llvm.memset.p4.i64(ptr addrspace(4) %dst, i8 0, i64 256, i1 false)
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call void @llvm.memset.p4.i64(ptr addrspace(4) %dst, i8 0, i64 256, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1)
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define amdgpu_kernel void @memcpy_to_const(ptr addrspace(6) %dst, ptr %src) {
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; CHECK0: Undefined behavior: Write to memory in const addrspace
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; CHECK0-NEXT: call void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) %dst, ptr %src, i32 256, i1 false)
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call void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) %dst, ptr %src, i32 256, i1 false)
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ret void
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}
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define amdgpu_kernel void @cmpxchg_to_const(ptr addrspace(4) %dst, i32 %src) {
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; CHECK0: Undefined behavior: Write to memory in const addrspace
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; CHECK0-NEXT: %void = cmpxchg ptr addrspace(4) %dst, i32 0, i32 %src seq_cst monotonic
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%void = cmpxchg ptr addrspace(4) %dst, i32 0, i32 %src seq_cst monotonic
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ret void
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}
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define amdgpu_kernel void @atomicrmw_to_const(ptr addrspace(4) %dst, i32 %src) {
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; CHECK0: Undefined behavior: Write to memory in const addrspace
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; CHECK0-NEXT: %void = atomicrmw add ptr addrspace(4) %dst, i32 %src acquire
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%void = atomicrmw add ptr addrspace(4) %dst, i32 %src acquire
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ret void
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}
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declare void @const_param(ptr addrspace(6))
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define amdgpu_kernel void @call_with_const(ptr addrspace(6) %dst) {
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; CHECK0-NOT: call void @const_param(ptr addrspace(6) %dst)
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call void @const_param(ptr addrspace(6) %dst)
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ret void
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}
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