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| author | Chris Lattner <sabre@nondot.org> | 2009-10-17 23:59:51 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-17 23:59:51 +0000 |
| commit | ec411e9199e59444dc1cf0cd784b735d9d3a1d9a (patch) | |
| tree | cba600be8f38af543fd94dde4d80dd8309a72906 /llvm/test/Analysis | |
| parent | 4eafc313684ba7a5f0533e30a1547348b03081bd (diff) | |
| download | bcm5719-llvm-ec411e9199e59444dc1cf0cd784b735d9d3a1d9a.tar.gz bcm5719-llvm-ec411e9199e59444dc1cf0cd784b735d9d3a1d9a.zip | |
replace a useless test with a useful one
llvm-svn: 84383
Diffstat (limited to 'llvm/test/Analysis')
| -rw-r--r-- | llvm/test/Analysis/BasicAA/modref.ll | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/llvm/test/Analysis/BasicAA/modref.ll b/llvm/test/Analysis/BasicAA/modref.ll index 8f7c0a75d52..54d415e060e 100644 --- a/llvm/test/Analysis/BasicAA/modref.ll +++ b/llvm/test/Analysis/BasicAA/modref.ll @@ -1,15 +1,21 @@ -; A very rudimentary test on AliasAnalysis::getModRefInfo. -; RUN: opt < %s -print-all-alias-modref-info -aa-eval -disable-output |& \ -; RUN: not grep NoModRef - -define i32 @callee() { - %X = alloca { i32, i32 } ; <{ i32, i32 }*> [#uses=1] - %Y = getelementptr { i32, i32 }* %X, i64 0, i32 0 ; <i32*> [#uses=1] - %Z = load i32* %Y ; <i32> [#uses=1] - ret i32 %Z -} +; RUN: opt < %s -basicaa -gvn -S | FileCheck %s + +declare void @llvm.memset.i32(i8*, i8, i32, i32) -define i32 @caller() { - %X = call i32 @callee( ) ; <i32> [#uses=1] - ret i32 %X +declare void @external(i32*) + +define i32 @test0(i8* %P) { + %A = alloca i32 + call void @external(i32* %A) + + store i32 0, i32* %A + + call void @llvm.memset.i32(i8* %P, i8 0, i32 42, i32 1) + + %B = load i32* %A + ret i32 %B + +; CHECK: @test0 +; CHECK: ret i32 0 } + |
