File: 2003-08-17-BranchFold.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (22 lines) | stat: -rw-r--r-- 437 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; This test checks to make sure that 'br X, Dest, Dest' is folded into 
; 'br Dest'

; RUN: opt < %s -simplifycfg -S | \
; RUN:   not grep {br i1 %c2}

declare void @noop()

define i32 @test(i1 %c1, i1 %c2) {
	call void @noop( )
	br i1 %c1, label %A, label %Y
A:		; preds = %0
	call void @noop( )
	br i1 %c2, label %X, label %X
X:		; preds = %Y, %A, %A
	call void @noop( )
	ret i32 0
Y:		; preds = %0
	call void @noop( )
	br label %X
}