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-rw-r--r--lib/Analysis/BasicAliasAnalysis.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index c038b20705..e10e1f2d4c 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -400,7 +400,16 @@ static Value *GetLinearExpression(Value *V, APInt &Scale, APInt &Offset,
V = GetLinearExpression(BOp->getOperand(0), Scale, Offset, TD);
Offset += RHSC->getValue();
return V;
- // TODO: SHL, MUL.
+ case Instruction::Mul:
+ V = GetLinearExpression(BOp->getOperand(0), Scale, Offset, TD);
+ Offset *= RHSC->getValue();
+ Scale *= RHSC->getValue();
+ return V;
+ case Instruction::Shl:
+ V = GetLinearExpression(BOp->getOperand(0), Scale, Offset, TD);
+ Offset <<= RHSC->getValue().getLimitedValue();
+ Scale <<= RHSC->getValue().getLimitedValue();
+ return V;
}
}
}