File: 2008-09-17-SpeculativeHoist.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (18 lines) | stat: -rw-r--r-- 420 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llvm-as < %s | opt -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()