File: 2003-06-26-IterativePromote.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 (16 lines) | stat: -rw-r--r-- 480 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; Promoting some values allows promotion of other values.
; RUN: opt < %s -mem2reg -S | not grep alloca

define i32 @test2() {
	%result = alloca i32		; <i32*> [#uses=2]
	%a = alloca i32		; <i32*> [#uses=2]
	%p = alloca i32*		; <i32**> [#uses=2]
	store i32 0, i32* %a
	store i32* %a, i32** %p
	%tmp.0 = load i32** %p		; <i32*> [#uses=1]
	%tmp.1 = load i32* %tmp.0		; <i32> [#uses=1]
	store i32 %tmp.1, i32* %result
	%tmp.2 = load i32* %result		; <i32> [#uses=1]
	ret i32 %tmp.2
}