[llvm-commits] CVS: llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
Chris Lattner
sabre at nondot.org
Mon Apr 9 16:29:24 PDT 2007
Changes in directory llvm/lib/Transforms/Scalar:
CodeGenPrepare.cpp updated: 1.2 -> 1.3
---
Log message:
eliminate the last uses of some TLI methods.
---
Diffs of the changes: (+7 -3)
CodeGenPrepare.cpp | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
Index: llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
diff -u llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.2 llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.3
--- llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.2 Sun Apr 1 20:35:34 2007
+++ llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp Mon Apr 9 18:29:07 2007
@@ -536,11 +536,15 @@
// 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;
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