llvm-project/llvm/test/CodeGen/X86/2008-02-14-BitMiscompile.ll

18 lines
457 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown-unknown | FileCheck %s
define i32 @test(i1 %A) {
; CHECK-LABEL: test:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: andl $1, %eax
; CHECK-NEXT: negl %eax
; CHECK-NEXT: movzbl %al, %eax
; CHECK-NEXT: retl
%B = zext i1 %A to i32
%C = sub i32 0, %B
%D = and i32 %C, 255
ret i32 %D
}