22 lines
1.2 KiB
LLVM
22 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -O0 -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -stop-after=irtranslator -o - %s | FileCheck %s
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; The CSEMIRBuilder was mishandling the result operand when constant
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; folding a vector operation, resulting in a missing def for the
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; stored value.
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define amdgpu_kernel void @constant_fold_vector_add() {
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; CHECK-LABEL: name: constant_fold_vector_add
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; CHECK: bb.1.entry:
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
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; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[C]](s64), [[C]](s64), [[C]](s64), [[C]](s64)
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; CHECK-NEXT: [[C1:%[0-9]+]]:_(p1) = G_CONSTANT i64 0
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; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
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; CHECK-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[C2]](s64), [[C2]](s64), [[C2]](s64), [[C2]](s64)
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; CHECK-NEXT: G_STORE [[BUILD_VECTOR1]](<4 x s64>), [[C1]](p1) :: (store (<4 x s64>) into `<4 x i64> addrspace(1)* null`, addrspace 1)
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; CHECK-NEXT: S_ENDPGM 0
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entry:
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%add = add <4 x i64> zeroinitializer, zeroinitializer
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store <4 x i64> %add, <4 x i64> addrspace(1)* null, align 32
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ret void
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}
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