File: 2012-3-15-or-xor-constant.ll

package info (click to toggle)
llvm-toolchain-6.0 1:6.0-1~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 594,652 kB
  • sloc: cpp: 3,044,500; ansic: 595,051; asm: 271,890; python: 128,923; objc: 106,554; sh: 21,854; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,214; cs: 2,027; xml: 686; php: 212; csh: 117
file content (12 lines) | stat: -rw-r--r-- 360 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
12
; RUN: opt < %s -instcombine -S | FileCheck %s
; PR12234

@g = extern_weak global i32
define i32 @function(i32 %x) nounwind {
entry:
  %xor = xor i32 %x, 1
  store volatile i32 %xor, i32* inttoptr (i64 1 to i32*), align 4
  %or4 = or i32 or (i32 zext (i1 icmp eq (i32* @g, i32* null) to i32), i32 1), %xor
  ret i32 %or4
}
; CHECK-LABEL: define i32 @function(