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ARM does not support offset folding (yet). Disable it for now.

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This fixes PR5031. Unfortunately, there is no small testcase :(

llvm-svn: 82643
This commit is contained in:
Anton Korobeynikov 2009-09-23 19:04:09 +00:00
parent e92f61e68b
commit 829a3a18d2
2 changed files with 7 additions and 0 deletions
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6
lib/Target/ARM/ARMISelLowering.cpp
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@ -4073,3 +4073,9 @@ void ARMTargetLowering::LowerAsmOperandForConstraint(SDValue Op,
return TargetLowering::LowerAsmOperandForConstraint(Op, Constraint, hasMemory, return TargetLowering::LowerAsmOperandForConstraint(Op, Constraint, hasMemory,
Ops, DAG); Ops, DAG);
} }
bool
ARMTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
// The ARM target isn't yet aware of offsets.
return false;
}

1
lib/Target/ARM/ARMISelLowering.h
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@ -223,6 +223,7 @@ namespace llvm {
virtual unsigned getFunctionAlignment(const Function *F) const; virtual unsigned getFunctionAlignment(const Function *F) const;
bool isShuffleMaskLegal(const SmallVectorImpl<int> &M, EVT VT) const; bool isShuffleMaskLegal(const SmallVectorImpl<int> &M, EVT VT) const;
bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
private: private:
/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
/// make the right decision when generating code for different targets. /// make the right decision when generating code for different targets.