25 lines
895 B
LLVM
25 lines
895 B
LLVM
; RUN: llc -mcpu=skylake-avx512 -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
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; Check that the X86 Domain Reassignment pass doesn't drop IMPLICIT_DEF nodes,
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; which would later cause crashes (e.g. in LiveVariables) - see PR37430
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define void @domain_reassignment_implicit_def(i1 %cond, ptr%mem, float %arg) {
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; CHECK: vxorps %xmm1, %xmm1, %xmm1
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; CHECK: vcmpneqss %xmm1, %xmm0, %k0
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; CHECK: kmovb %k0, (%rsi)
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top:
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br i1 %cond, label %L19, label %L15
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L15: ; preds = %top
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%tmp47 = fcmp une float 0.000000e+00, %arg
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%tmp48 = zext i1 %tmp47 to i8
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br label %L21
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L19: ; preds = %top
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br label %L21
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L21: ; preds = %L19, %L15
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%.sroa.0.0 = phi i8 [ undef, %L19 ], [ %tmp48, %L15 ]
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store i8 %.sroa.0.0, ptr %mem, align 1
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ret void
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}
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