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eliminate the last uses of some TLI methods.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35844 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-09 23:29:07 +00:00
parent f7c83188cd
commit 9fda270e2c
1 changed files with 7 additions and 3 deletions
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10
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -536,11 +536,15 @@ static bool SinkInvariantGEPIndex(BinaryOperator *BinOp,
// Check if it is possible to fold the expression to address mode.
if (UseTy && isa<ConstantInt>(BinOp->getOperand(1))) {
uint64_t Scale = TLI.getTargetData()->getTypeSize(UseTy);
int64_t Cst = cast<ConstantInt>(BinOp->getOperand(1))->getSExtValue();
// e.g. load (gep i32 * %P, (X+42)) => load (%P + X*4 + 168).
if (TLI.isLegalAddressImmediate(Cst*Scale, UseTy) &&
(Scale == 1 || TLI.isLegalAddressScale(Scale, UseTy))) {
TargetLowering::AddrMode AM;
// FIXME: This computation isn't right, scale is incorrect.
AM.Scale = TLI.getTargetData()->getTypeSize(UseTy);
// FIXME: Should should also include other fixed offsets.
AM.BaseOffs = Cst*AM.Scale;
if (TLI.isLegalAddressingMode(AM, UseTy)) {
DestBBs.insert(GEPIBB);
MadeChange = true;
break;