Author: efriedma Date: Wed Feb 13 00:55:57 2008 New Revision: 47050 URL: http://llvm.org/viewvc/llvm-project?rev=47050&view=rev Log: Add test for PR1996. (This is my first time adding a test for a transform, so please review.)
Added: llvm/trunk/test/Transforms/GVN/2008-02-12UndefLoad.ll Added: llvm/trunk/test/Transforms/GVN/2008-02-12UndefLoad.ll URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/2008-02-12UndefLoad.ll?rev=47050&view=auto ============================================================================== --- llvm/trunk/test/Transforms/GVN/2008-02-12UndefLoad.ll (added) +++ llvm/trunk/test/Transforms/GVN/2008-02-12UndefLoad.ll Wed Feb 13 00:55:57 2008 @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | opt -gvn | llvm-dis | not grep load + +%struct.anon = type { i32, i8, i8, i8, i8 } + +define i32 @a() { +entry: + %c = alloca %struct.anon ; <%struct.anon*> [#uses=2] + %tmp = getelementptr %struct.anon* %c, i32 0, i32 0 ; <i32*> [#uses=1] + %tmp1 = getelementptr i32* %tmp, i32 1 ; <i32*> [#uses=2] + %tmp2 = load i32* %tmp1, align 4 ; <i32> [#uses=1] + %tmp3 = or i32 %tmp2, 11 ; <i32> [#uses=1] + %tmp4 = and i32 %tmp3, -21 ; <i32> [#uses=1] + store i32 %tmp4, i32* %tmp1, align 4 + %call = call i32 (...)* @x( %struct.anon* %c ) ; <i32> [#uses=0] + ret i32 undef +} + + +declare i32 @x(...) _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits