24 lines
756 B
LLVM
24 lines
756 B
LLVM
; RUN: llc -march=amdgcn -stop-after=amdgpu-isel -verify-machineinstrs -o - %s | FileCheck %s
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; CHECK-LABEL: vcopy_i1_undef
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; CHECK: [[IMPDEF0:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
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; CHECK-NOT: COPY
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; CHECK: [[IMPDEF1:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
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; CHECK-NOT: COPY [[IMPDEF0]]
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; CHECK-NOT: COPY [[IMPDEF1]]
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; CHECK: .false:
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define <2 x float> @vcopy_i1_undef(<2 x float> addrspace(1)* %p) {
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entry:
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br i1 undef, label %exit, label %false
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false:
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%x = load <2 x float>, <2 x float> addrspace(1)* %p
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%cmp = fcmp one <2 x float> %x, zeroinitializer
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br label %exit
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exit:
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%c = phi <2 x i1> [ undef, %entry ], [ %cmp, %false ]
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%ret = select <2 x i1> %c, <2 x float> <float 2.0, float 2.0>, <2 x float> <float 4.0, float 4.0>
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ret <2 x float> %ret
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}
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