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| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-27 01:27:25 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-27 01:27:25 +0000 |
| commit | 7a963fa8ee2ad90ef456e36c116c046bf2ba8199 (patch) | |
| tree | 75cfeea971085bbc3aaceee24f92d01725f397f2 /test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll | |
| parent | 7c1483bc6f009318ce66c4d37d1ba930e01a6d13 (diff) | |
| download | llvm-7a963fa8ee2ad90ef456e36c116c046bf2ba8199.tar.gz llvm-7a963fa8ee2ad90ef456e36c116c046bf2ba8199.tar.bz2 llvm-7a963fa8ee2ad90ef456e36c116c046bf2ba8199.tar.xz | |
Fix a memory bug: increment an iterator of a deleted machine instr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48853 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll')
| -rw-r--r-- | test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll b/test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll new file mode 100644 index 0000000000..1e5ab99a9c --- /dev/null +++ b/test/CodeGen/X86/2008-03-25-TwoAddrPassBug.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 + +define void @t() { +entry: + %tmp455 = shufflevector <4 x float> zeroinitializer, <4 x float> undef, <4 x i32> < i32 1, i32 0, i32 3, i32 2 > ; <<4 x float>> [#uses=1] + %tmp457 = mul <4 x float> zeroinitializer, %tmp455 ; <<4 x float>> [#uses=2] + %tmp461 = shufflevector <4 x float> %tmp457, <4 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1] + %tmp465 = shufflevector <4 x float> %tmp457, <4 x float> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 > ; <<4 x float>> [#uses=1] + %tmp466 = sub <4 x float> %tmp461, %tmp465 ; <<4 x float>> [#uses=1] + %tmp536 = shufflevector <4 x float> zeroinitializer, <4 x float> %tmp466, <4 x i32> < i32 0, i32 4, i32 1, i32 5 > ; <<4 x float>> [#uses=1] + %tmp542 = shufflevector <4 x float> %tmp536, <4 x float> zeroinitializer, <4 x i32> < i32 6, i32 7, i32 2, i32 3 > ; <<4 x float>> [#uses=1] + %tmp580 = bitcast <4 x float> %tmp542 to <4 x i32> ; <<4 x i32>> [#uses=1] + %tmp582 = and <4 x i32> %tmp580, zeroinitializer ; <<4 x i32>> [#uses=1] + %tmp591 = or <4 x i32> %tmp582, zeroinitializer ; <<4 x i32>> [#uses=1] + %tmp592 = bitcast <4 x i32> %tmp591 to <4 x float> ; <<4 x float>> [#uses=1] + %tmp609 = fdiv <4 x float> < float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 >, %tmp592 ; <<4 x float>> [#uses=1] + %tmp652 = shufflevector <4 x float> %tmp609, <4 x float> undef, <4 x i32> < i32 3, i32 3, i32 3, i32 3 > ; <<4 x float>> [#uses=1] + %tmp662 = mul <4 x float> zeroinitializer, %tmp652 ; <<4 x float>> [#uses=1] + %tmp678 = shufflevector <4 x float> %tmp662, <4 x float> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 > ; <<4 x float>> [#uses=1] + %tmp753 = mul <4 x float> zeroinitializer, %tmp678 ; <<4 x float>> [#uses=1] + %tmp754 = sub <4 x float> zeroinitializer, %tmp753 ; <<4 x float>> [#uses=1] + store <4 x float> %tmp754, <4 x float>* null, align 16 + unreachable +} |