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-rw-r--r--lib/VMCore/ConstantFold.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index 057d2c90c3..36cc13cf55 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -47,7 +47,7 @@ Constant *ConstantFoldInstruction(Instruction *I) {
switch (I->getOpcode()) {
case Instruction::Cast:
- return ConstRules::get(*Op0)->castTo(Op0, I->getType());
+ return ConstRules::get(*Op0, *Op0)->castTo(Op0, I->getType());
case Instruction::Add: return *Op0 + *Op1;
case Instruction::Sub: return *Op0 - *Op1;
case Instruction::Mul: return *Op0 * *Op1;
@@ -107,7 +107,7 @@ Constant *ConstantFoldCastInstruction(const Constant *V, const Type *DestTy) {
}
}
- return ConstRules::get(*V)->castTo(V, DestTy);
+ return ConstRules::get(*V, *V)->castTo(V, DestTy);
}
Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
@@ -555,3 +555,8 @@ Annotation *ConstRules::find(AnnotationID AID, const Annotable *TyA, void *) {
return new EmptyRules();
}
}
+
+ConstRules *ConstRules::getConstantExprRules() {
+ static EmptyRules CERules;
+ return &CERules;
+}