Mercurial > hg > CbC > CbC_llvm
diff test/Analysis/BasicAA/tailcall-modref.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children | afa8332a0e37 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/Analysis/BasicAA/tailcall-modref.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,16 @@ +; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s + +define i32 @test() { +; CHECK: ret i32 0 + %A = alloca i32 ; <i32*> [#uses=3] + call void @foo( i32* %A ) + %X = load i32* %A ; <i32> [#uses=1] + tail call void @bar( ) + %Y = load i32* %A ; <i32> [#uses=1] + %Z = sub i32 %X, %Y ; <i32> [#uses=1] + ret i32 %Z +} + +declare void @foo(i32*) + +declare void @bar()