File: 2003-06-26-IterativePromote.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 (16 lines) | stat: -rw-r--r-- 498 bytes parent folder | download
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: llvm-as < %s | opt -mem2reg | llvm-dis | 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
}