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| author | Jiangning Liu <jiangning.liu@arm.com> | 2014-08-21 02:12:35 +0000 |
|---|---|---|
| committer | Jiangning Liu <jiangning.liu@arm.com> | 2014-08-21 02:12:35 +0000 |
| commit | 950844fadbb1e9129a9b6f18373cf9a272deea76 (patch) | |
| tree | c1de743d4550226fc9e4f025f67c80170b5205c7 /llvm/lib/IR/ConstantFold.cpp | |
| parent | 65b31a903b544f2bec0a40d761b1c774115026e8 (diff) | |
| download | llvm-950844fadbb1e9129a9b6f18373cf9a272deea76.zip llvm-950844fadbb1e9129a9b6f18373cf9a272deea76.tar.gz llvm-950844fadbb1e9129a9b6f18373cf9a272deea76.tar.bz2 | |
Fix a bug around truncating vector in const prop.
In constant folding stage, "TRUNC" can't handle vector data type.
llvm-svn: 216149
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 9124c11..b96d154 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -674,6 +674,9 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, } return nullptr; case Instruction::Trunc: { + if (V->getType()->isVectorTy()) + return nullptr; + uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth(); if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) { return ConstantInt::get(V->getContext(), |