[llvm-commits] [llvm] r43579 - /llvm/trunk/lib/VMCore/ConstantFold.cpp
Dan Gohman
djg at cray.com
Wed Oct 31 14:36:32 PDT 2007
Author: djg
Date: Wed Oct 31 16:36:31 2007
New Revision: 43579
URL: http://llvm.org/viewvc/llvm-project?rev=43579&view=rev
Log:
Fix a regression in test/CodeGen/X86/2007-04-24-VectorCrash.ll introduced
by r43510. Gracefully handle constants with vector type that aren't
ConstantVector or ConstantAggregateZero.
Modified:
llvm/trunk/lib/VMCore/ConstantFold.cpp
Modified: llvm/trunk/lib/VMCore/ConstantFold.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/ConstantFold.cpp?rev=43579&r1=43578&r2=43579&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/ConstantFold.cpp (original)
+++ llvm/trunk/lib/VMCore/ConstantFold.cpp Wed Oct 31 16:36:31 2007
@@ -716,10 +716,8 @@
} else if (const VectorType *VTy = dyn_cast<VectorType>(C1->getType())) {
const ConstantVector *CP1 = dyn_cast<ConstantVector>(C1);
const ConstantVector *CP2 = dyn_cast<ConstantVector>(C2);
- assert((CP1 != NULL || isa<ConstantAggregateZero>(C1)) &&
- "Unexpected kind of vector constant!");
- assert((CP2 != NULL || isa<ConstantAggregateZero>(C2)) &&
- "Unexpected kind of vector constant!");
+ if ((CP1 != NULL || isa<ConstantAggregateZero>(C1)) &&
+ (CP2 != NULL || isa<ConstantAggregateZero>(C2))) {
switch (Opcode) {
default:
break;
@@ -747,6 +745,7 @@
return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getOr);
case Instruction::Xor:
return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getXor);
+ }
}
}
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