File: 2003-02-27-PreheaderExitNodeUpdate.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-20
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,909,296 kB
  • sloc: cpp: 6,667,975; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,992; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (16 lines) | stat: -rw-r--r-- 386 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; This testcase fails because preheader insertion is not updating exit node
; information for loops.

; RUN: opt < %s -passes=licm

define i32 @main(i32 %argc, ptr %argv) {
bb0:
	br i1 false, label %bb7, label %bb5
bb5:		; preds = %bb5, %bb0
	br i1 false, label %bb5, label %bb7
bb7:		; preds = %bb7, %bb5, %bb0
	br i1 false, label %bb7, label %bb10
bb10:		; preds = %bb7
	ret i32 0
}