File: 2003-12-11-SinkingToPHI.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-- 447 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: opt < %s -passes=licm | lli -jit-kind=mcjit -force-interpreter

define i32 @main() {
entry:
	br label %Loop
Loop:		; preds = %LoopCont, %entry
	br i1 true, label %LoopCont, label %Out
LoopCont:		; preds = %Loop
	%X = add i32 1, 0		; <i32> [#uses=1]
	br i1 true, label %Out, label %Loop
Out:		; preds = %LoopCont, %Loop
	%V = phi i32 [ 2, %Loop ], [ %X, %LoopCont ]		; <i32> [#uses=1]
	%V2 = sub i32 %V, 1		; <i32> [#uses=1]
	ret i32 %V2
}