blob: 1716b042d8ee74d056345a6314590a2b9fc0015f [file] [log] [blame]
; RUN: llc -mcpu=skylake-avx512 -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
; Check that the X86 Domain Reassignment pass doesn't drop IMPLICIT_DEF nodes,
; which would later cause crashes (e.g. in LiveVariables) - see PR37430
define void @domain_reassignment_implicit_def(i1 %cond, i8 *%mem, float %arg) {
; CHECK: vxorps %xmm1, %xmm1, %xmm1
; CHECK: vcmpneqss %xmm1, %xmm0, %k0
; CHECK: kmovb %k0, (%rsi)
br i1 %cond, label %L19, label %L15
L15: ; preds = %top
%tmp47 = fcmp une float 0.000000e+00, %arg
%tmp48 = zext i1 %tmp47 to i8
br label %L21
L19: ; preds = %top
br label %L21
L21: ; preds = %L19, %L15
%.sroa.0.0 = phi i8 [ undef, %L19 ], [ %tmp48, %L15 ]
store i8 %.sroa.0.0, i8* %mem, align 1
ret void