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Viewing changes to test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-03-29 19:09:51 UTC
  • Revision ID: package-import@ubuntu.com-20120329190951-aq83ivog4cg8bxun
Tags: upstream-3.1~svn153643
Import upstream version 3.1~svn153643

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test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll
 
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; Promoting some values allows promotion of other values.
 
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; RUN: opt < %s -mem2reg -S | not grep alloca
 
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define i32 @test2() {
 
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        %result = alloca i32            ; <i32*> [#uses=2]
 
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        %a = alloca i32         ; <i32*> [#uses=2]
 
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        %p = alloca i32*                ; <i32**> [#uses=2]
 
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        store i32 0, i32* %a
 
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        store i32* %a, i32** %p
 
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        %tmp.0 = load i32** %p          ; <i32*> [#uses=1]
 
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        %tmp.1 = load i32* %tmp.0               ; <i32> [#uses=1]
 
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        store i32 %tmp.1, i32* %result
 
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        %tmp.2 = load i32* %result              ; <i32> [#uses=1]
 
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        ret i32 %tmp.2
 
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}
 
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