File: 2010-07-29-SetccSimplify.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (14 lines) | stat: -rw-r--r-- 465 bytes parent folder | download | duplicates (48)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s

define i32 @extend2bit_v2(i32 %val) {
entry:
  %0 = trunc i32 %val to i2                       ; <i2> [#uses=1]
  %1 = sext i2 %0 to i32                          ; <i32> [#uses=1]
  %2 = icmp eq i32 %1, 3                          ; <i1> [#uses=1]
  %3 = zext i1 %2 to i32                          ; <i32> [#uses=1]
  ret i32 %3
}

; CHECK-LABEL: extend2bit_v2:
; CHECK: xorl	%eax, %eax
; CHECK-NEXT: ret