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another minor tweak

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60010 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-11-25 04:47:41 +00:00
parent 088a1e84ea
commit 7ad1c7342b
1 changed files with 2 additions and 3 deletions
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5
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -532,7 +532,7 @@ void ExtAddrMode::print(OStream &OS) const {
/// false if not. /// false if not.
static bool TryMatchingScaledValue(Value *ScaleReg, int64_t Scale, static bool TryMatchingScaledValue(Value *ScaleReg, int64_t Scale,
const Type *AccessTy, ExtAddrMode &AddrMode, const Type *AccessTy, ExtAddrMode &AddrMode,
SmallVector<Instruction*, 16> &AddrModeInsts, SmallVectorImpl<Instruction*> &AddrModeInsts,
const TargetLowering &TLI, unsigned Depth) { const TargetLowering &TLI, unsigned Depth) {
// If we already have a scale of this value, we can add to it, otherwise, we // If we already have a scale of this value, we can add to it, otherwise, we
// need an available scale field. // need an available scale field.
@ -678,8 +678,7 @@ static bool FindMaximalLegalAddressingMode(Value *Addr, const Type *AccessTy,
} }
case Instruction::Mul: case Instruction::Mul:
case Instruction::Shl: { case Instruction::Shl: {
// Can only handle X*C and X << C, and can only handle this when the scale // Can only handle X*C and X << C.
// field is available.
ConstantInt *RHS = dyn_cast<ConstantInt>(AddrInst->getOperand(1)); ConstantInt *RHS = dyn_cast<ConstantInt>(AddrInst->getOperand(1));
if (!RHS) break; if (!RHS) break;
int64_t Scale = RHS->getSExtValue(); int64_t Scale = RHS->getSExtValue();