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| author | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
| commit | 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch) | |
| tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /test/Analysis/GlobalsModRef/purecse.ll | |
| parent | 2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff) | |
| download | FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz | |
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'test/Analysis/GlobalsModRef/purecse.ll')
| -rw-r--r-- | test/Analysis/GlobalsModRef/purecse.ll | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/test/Analysis/GlobalsModRef/purecse.ll b/test/Analysis/GlobalsModRef/purecse.ll index 994aff8..e030417 100644 --- a/test/Analysis/GlobalsModRef/purecse.ll +++ b/test/Analysis/GlobalsModRef/purecse.ll @@ -1,6 +1,5 @@ ; Test that pure functions are cse'd away -; RUN: opt < %s -globalsmodref-aa -gvn -instcombine | \ -; RUN: llvm-dis | not grep sub +; RUN: opt < %s -globalsmodref-aa -gvn -instcombine -S | FileCheck %s define i32 @pure(i32 %X) { %Y = add i32 %X, 1 ; <i32> [#uses=1] @@ -8,6 +7,8 @@ define i32 @pure(i32 %X) { } define i32 @test1(i32 %X) { +; CHECK: %A = call i32 @pure(i32 %X) +; CHECK-NEXT: ret i32 0 %A = call i32 @pure( i32 %X ) ; <i32> [#uses=1] %B = call i32 @pure( i32 %X ) ; <i32> [#uses=1] %C = sub i32 %A, %B ; <i32> [#uses=1] @@ -15,6 +16,9 @@ define i32 @test1(i32 %X) { } define i32 @test2(i32 %X, i32* %P) { +; CHECK: %A = call i32 @pure(i32 %X) +; CHECK-NEXT: store i32 %X, i32* %P +; CHECK-NEXT: ret i32 0 %A = call i32 @pure( i32 %X ) ; <i32> [#uses=1] store i32 %X, i32* %P ;; Does not invalidate 'pure' call. %B = call i32 @pure( i32 %X ) ; <i32> [#uses=1] |
