diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/CodeGenPrepare.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index be7ed9c508..59c6586532 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -688,7 +688,8 @@ bool AddressingModeMatcher::MatchScaledValue(Value *ScaleReg, int64_t Scale, // to see if ScaleReg is actually X+C. If so, we can turn this into adding // X*Scale + C*Scale to addr mode. ConstantInt *CI; Value *AddLHS; - if (match(ScaleReg, m_Add(m_Value(AddLHS), m_ConstantInt(CI)))) { + if (isa<Instruction>(ScaleReg) && // not a constant expr. + match(ScaleReg, m_Add(m_Value(AddLHS), m_ConstantInt(CI)))) { TestAddrMode.ScaledReg = AddLHS; TestAddrMode.BaseOffs += CI->getSExtValue()*TestAddrMode.Scale; |