File: 2003-02-27-PreheaderExitNodeUpdate.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (16 lines) | stat: -rw-r--r-- 386 bytes parent folder | download | duplicates (17)
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
}