From 78ee0addedb6ae3c655495e9dc1ec09928250c9a Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 7 Feb 2006 19:07:25 +0000 Subject: new testcase that caused instcombine to crash on 176.gcc last night. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26039 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/2006-02-07-SextZextCrash.ll | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/Transforms/InstCombine/2006-02-07-SextZextCrash.ll (limited to 'test') diff --git a/test/Transforms/InstCombine/2006-02-07-SextZextCrash.ll b/test/Transforms/InstCombine/2006-02-07-SextZextCrash.ll new file mode 100644 index 0000000..f3591e6 --- /dev/null +++ b/test/Transforms/InstCombine/2006-02-07-SextZextCrash.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine -disable-output + + %struct.rtx_const = type { uint, { %union.real_extract } } + %struct.rtx_def = type { int, [1 x %union.rtunion_def] } + %union.real_extract = type { double } + %union.rtunion_def = type { uint } + +implementation ; Functions: + +fastcc void %decode_rtx_const(%struct.rtx_def* %x, %struct.rtx_const* %value) { + %tmp.54 = getelementptr %struct.rtx_const* %value, int 0, uint 0 ; [#uses=1] + %tmp.56 = getelementptr %struct.rtx_def* %x, int 0, uint 0 ; [#uses=1] + %tmp.57 = load int* %tmp.56 ; [#uses=1] + %tmp.58 = shl int %tmp.57, ubyte 8 ; [#uses=1] + %tmp.59 = shr int %tmp.58, ubyte 24 ; [#uses=1] + %tmp.60 = cast int %tmp.59 to ushort ; [#uses=1] + %tmp.61 = cast ushort %tmp.60 to uint ; [#uses=1] + %tmp.62 = shl uint %tmp.61, ubyte 16 ; [#uses=1] + %tmp.65 = or uint 0, %tmp.62 ; [#uses=1] + store uint %tmp.65, uint* %tmp.54 + ret void +} -- cgit v1.1