File: 2008-09-17-SpeculativeHoist.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (18 lines) | stat: -rw-r--r-- 410 bytes parent folder | download | duplicates (23)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: opt < %s -simplifycfg -disable-output
; PR 2800

define void @foo() {
start:
	%tmp = call i1 @bar( )		; <i1> [#uses=4]
	br i1 %tmp, label %brtrue, label %brfalse

brtrue:		; preds = %start
	%tmpnew = and i1 %tmp, %tmp		; <i1> [#uses=1]
	br label %brfalse

brfalse:		; preds = %brtrue, %start
	%andandtmp.0 = phi i1 [ %tmp, %start ], [ %tmpnew, %brtrue ]		; <i1> [#uses=0]
	ret void
}

declare i1 @bar()