~pali/+junk/llvm-toolchain-3.7

« back to all changes in this revision

Viewing changes to test/Analysis/BasicAA/tailcall-modref.ll

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
ImportĀ upstreamĀ versionĀ 3.7~+rc2

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s
 
2
 
 
3
define i32 @test() {
 
4
; CHECK: ret i32 0
 
5
        %A = alloca i32         ; <i32*> [#uses=3]
 
6
        call void @foo( i32* %A )
 
7
        %X = load i32, i32* %A               ; <i32> [#uses=1]
 
8
        tail call void @bar( )
 
9
        %Y = load i32, i32* %A               ; <i32> [#uses=1]
 
10
        %Z = sub i32 %X, %Y             ; <i32> [#uses=1]
 
11
        ret i32 %Z
 
12
}
 
13
 
 
14
declare void @foo(i32*)
 
15
 
 
16
declare void @bar()