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| author | Duncan Sands <baldrick@free.fr> | 2012-01-11 12:20:08 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2012-01-11 12:20:08 +0000 |
| commit | 0bf46b536397f4e4b50ba928f5120d27dc0f1ea5 (patch) | |
| tree | b08cc1a0f28a4fa4d9936be9117f0b24c922cbf7 /llvm/lib/VMCore | |
| parent | 9bc48e521518407efb7910ac81be022cf66c91f6 (diff) | |
| download | bcm5719-llvm-0bf46b536397f4e4b50ba928f5120d27dc0f1ea5.tar.gz bcm5719-llvm-0bf46b536397f4e4b50ba928f5120d27dc0f1ea5.zip | |
Don't try to create a GEP when the pointee type is unsized (such GEPs
are invalid). Fixes a crash on array1.C from the GCC testsuite when
compiled with dragonegg.
llvm-svn: 147946
Diffstat (limited to 'llvm/lib/VMCore')
| -rw-r--r-- | llvm/lib/VMCore/ConstantFold.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/ConstantFold.cpp b/llvm/lib/VMCore/ConstantFold.cpp index 4d7a857de5c..62ef25b6430 100644 --- a/llvm/lib/VMCore/ConstantFold.cpp +++ b/llvm/lib/VMCore/ConstantFold.cpp @@ -104,7 +104,8 @@ static Constant *FoldBitCast(Constant *V, Type *DestTy) { // the first element. If so, return the appropriate GEP instruction. if (PointerType *PTy = dyn_cast<PointerType>(V->getType())) if (PointerType *DPTy = dyn_cast<PointerType>(DestTy)) - if (PTy->getAddressSpace() == DPTy->getAddressSpace()) { + if (PTy->getAddressSpace() == DPTy->getAddressSpace() + && DPTy->getElementType()->isSized()) { SmallVector<Value*, 8> IdxList; Value *Zero = Constant::getNullValue(Type::getInt32Ty(DPTy->getContext())); |
