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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -fast-isel -mtriple=i686-unknown-unknown -O0 -mcpu=skx | FileCheck %s
@c = external global i8, align 1
; Function Attrs: noinline nounwind
define void @_Z1av() {
; CHECK-LABEL: _Z1av:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subl $2, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 6
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: movb %al, %cl
; CHECK-NEXT: movb c, %dl
; CHECK-NEXT: xorb $-1, %dl
; CHECK-NEXT: testb $1, %dl
; CHECK-NEXT: movb %cl, (%esp) # 1-byte Spill
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: jmp .LBB0_2
; CHECK-NEXT: .LBB0_1: # %land.rhs
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: movb %al, %cl
; CHECK-NEXT: movb %cl, (%esp) # 1-byte Spill
; CHECK-NEXT: jmp .LBB0_2
; CHECK-NEXT: .LBB0_2: # %land.end
; CHECK-NEXT: movb (%esp), %al # 1-byte Reload
; CHECK-NEXT: andb $1, %al
; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp)
; CHECK-NEXT: addl $2, %esp
; CHECK-NEXT: retl
entry:
%b = alloca i8, align 1
%0 = load i8, i8* @c, align 1
%tobool = trunc i8 %0 to i1
%lnot = xor i1 %tobool, true
br i1 %lnot, label %land.rhs, label %land.end
land.rhs: ; preds = %entry
br label %land.end
land.end: ; preds = %land.rhs, %entry
%1 = phi i1 [ false, %entry ], [ false, %land.rhs ]
%conv = zext i1 %1 to i8
store i8 %conv, i8* %b, align 1
ret void
}
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