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| author | Dan Gohman <gohman@apple.com> | 2007-10-29 20:44:42 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2007-10-29 20:44:42 +0000 |
| commit | 090b38a0dafbdad144db1e2c5c9db082eb7dc9fe (patch) | |
| tree | 80419ddf7ecb5453c2e08d1b536c37410576c3f4 | |
| parent | a8cc4d3d3c71d260e454ee2c7e762b956b529091 (diff) | |
| download | external_llvm-090b38a0dafbdad144db1e2c5c9db082eb7dc9fe.zip external_llvm-090b38a0dafbdad144db1e2c5c9db082eb7dc9fe.tar.gz external_llvm-090b38a0dafbdad144db1e2c5c9db082eb7dc9fe.tar.bz2 | |
Fix a DAGCombiner abort on a bitcast from a scalar to a vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43470 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 | ||||
| -rw-r--r-- | test/CodeGen/X86/bitcast-int-to-vector.ll | 10 |
2 files changed, 12 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index b4299f4..b423d68 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4212,7 +4212,8 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { unsigned NumElts = MVT::getVectorNumElements(VT); if (InVec.getOpcode() == ISD::BIT_CONVERT) { MVT::ValueType BCVT = InVec.getOperand(0).getValueType(); - if (NumElts != MVT::getVectorNumElements(BCVT)) + if (!MVT::isVector(BCVT) || + NumElts != MVT::getVectorNumElements(BCVT)) return SDOperand(); InVec = InVec.getOperand(0); EVT = MVT::getVectorElementType(BCVT); diff --git a/test/CodeGen/X86/bitcast-int-to-vector.ll b/test/CodeGen/X86/bitcast-int-to-vector.ll new file mode 100644 index 0000000..370bec0 --- /dev/null +++ b/test/CodeGen/X86/bitcast-int-to-vector.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | llc -march=x86 + +define i1 @foo(i64 %a) +{ + %t = bitcast i64 %a to <2 x float> + %r = extractelement <2 x float> %t, i32 0 + %s = extractelement <2 x float> %t, i32 1 + %b = fcmp uno float %r, %s + ret i1 %b +} |