File: phisimplify3.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 (26 lines) | stat: -rw-r--r-- 589 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
; RUN: llvm-as < %s | opt -condprop | llvm-dis | not grep phi

define i32 @foo(i1, i32, i32) {
prologue:
	br i1 %0, label %eq, label %ne

eq:		; preds = %prologue
	store i32 0, i32* inttoptr (i32 10000 to i32*)
	%3 = icmp eq i32 %1, %2		; <i1> [#uses=1]
	br label %join

ne:		; preds = %prologue
	%4 = icmp ne i32 %1, %2		; <i1> [#uses=1]
	br label %join

join:		; preds = %ne, %eq
	%5 = phi i1 [ %3, %eq ], [ %4, %ne ]		; <i1> [#uses=1]
	br i1 %5, label %yes, label %no

yes:		; preds = %join
	store i32 0, i32* inttoptr (i32 20000 to i32*)
	ret i32 5

no:		; preds = %join
	ret i32 20
}