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stub out a new target hook, need some refactoring before I can

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implement it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94521 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-26 05:30:30 +00:00
parent e35df92eca
commit 13e97a29d9
2 changed files with 18 additions and 0 deletions
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7
include/llvm/Target/TargetLowering.h
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@ -772,6 +772,13 @@ public:
virtual SDValue getPICJumpTableRelocBase(SDValue Table,
SelectionDAG &DAG) const;
/// getPICJumpTableRelocBaseExpr - This returns the relocation base for the
/// given PIC jumptable, the same as getPICJumpTableRelocBase, but as an
/// MCExpr.
virtual const MCExpr *
getPICJumpTableRelocBaseExpr(const MachineJumpTableInfo *MJTI,
unsigned JTI, MCContext &Ctx) const;
/// isOffsetFoldingLegal - Return true if folding a constant offset
/// with the given GlobalAddress is legal. It is frequently not legal in
/// PIC relocation models.

11
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -817,6 +817,17 @@ SDValue TargetLowering::getPICJumpTableRelocBase(SDValue Table,
return Table;
}
/// getPICJumpTableRelocBaseExpr - This returns the relocation base for the
/// given PIC jumptable, the same as getPICJumpTableRelocBase, but as an
/// MCExpr.
const MCExpr *
TargetLowering::getPICJumpTableRelocBaseExpr(const MachineJumpTableInfo *MJTI,
unsigned JTI,
MCContext &Ctx) const {
assert(0 && "FIXME: IMPLEMENT ME");
}
bool
TargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
// Assume that everything is safe in static mode.