[llvm-commits] [llvm] r123570 - /llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
Chris Lattner
sabre at nondot.org
Sat Jan 15 21:58:24 PST 2011
Author: lattner
Date: Sat Jan 15 23:58:24 2011
New Revision: 123570
URL: http://llvm.org/viewvc/llvm-project?rev=123570&view=rev
Log:
Use an irbuilder to get some trivial constant folding when doing a store
of a constant.
Modified:
llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp?rev=123570&r1=123569&r2=123570&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp Sat Jan 15 23:58:24 2011
@@ -1601,11 +1601,12 @@
const Type *AllocaEltTy = AI->getAllocatedType();
uint64_t AllocaSizeBits = TD->getTypeAllocSizeInBits(AllocaEltTy);
+ IRBuilder<> Builder(SI);
+
// Handle tail padding by extending the operand
if (TD->getTypeSizeInBits(SrcVal->getType()) != AllocaSizeBits)
- SrcVal = new ZExtInst(SrcVal,
- IntegerType::get(SI->getContext(), AllocaSizeBits),
- "", SI);
+ SrcVal = Builder.CreateZExt(SrcVal,
+ IntegerType::get(SI->getContext(), AllocaSizeBits));
DEBUG(dbgs() << "PROMOTING STORE TO WHOLE ALLOCA: " << *AI << '\n' << *SI
<< '\n');
@@ -1626,8 +1627,7 @@
Value *EltVal = SrcVal;
if (Shift) {
Value *ShiftVal = ConstantInt::get(EltVal->getType(), Shift);
- EltVal = BinaryOperator::CreateLShr(EltVal, ShiftVal,
- "sroa.store.elt", SI);
+ EltVal = Builder.CreateLShr(EltVal, ShiftVal, "sroa.store.elt");
}
// Truncate down to an integer of the right size.
@@ -1637,20 +1637,18 @@
if (FieldSizeBits == 0) continue;
if (FieldSizeBits != AllocaSizeBits)
- EltVal = new TruncInst(EltVal,
- IntegerType::get(SI->getContext(), FieldSizeBits),
- "", SI);
+ EltVal = Builder.CreateTrunc(EltVal,
+ IntegerType::get(SI->getContext(), FieldSizeBits));
Value *DestField = NewElts[i];
if (EltVal->getType() == FieldTy) {
// Storing to an integer field of this size, just do it.
} else if (FieldTy->isFloatingPointTy() || FieldTy->isVectorTy()) {
// Bitcast to the right element type (for fp/vector values).
- EltVal = new BitCastInst(EltVal, FieldTy, "", SI);
+ EltVal = Builder.CreateBitCast(EltVal, FieldTy);
} else {
// Otherwise, bitcast the dest pointer (for aggregates).
- DestField = new BitCastInst(DestField,
- PointerType::getUnqual(EltVal->getType()),
- "", SI);
+ DestField = Builder.CreateBitCast(DestField,
+ PointerType::getUnqual(EltVal->getType()));
}
new StoreInst(EltVal, DestField, SI);
}
@@ -1675,27 +1673,25 @@
Value *EltVal = SrcVal;
if (Shift) {
Value *ShiftVal = ConstantInt::get(EltVal->getType(), Shift);
- EltVal = BinaryOperator::CreateLShr(EltVal, ShiftVal,
- "sroa.store.elt", SI);
+ EltVal = Builder.CreateLShr(EltVal, ShiftVal, "sroa.store.elt");
}
// Truncate down to an integer of the right size.
if (ElementSizeBits != AllocaSizeBits)
- EltVal = new TruncInst(EltVal,
- IntegerType::get(SI->getContext(),
- ElementSizeBits), "", SI);
+ EltVal = Builder.CreateTrunc(EltVal,
+ IntegerType::get(SI->getContext(),
+ ElementSizeBits));
Value *DestField = NewElts[i];
if (EltVal->getType() == ArrayEltTy) {
// Storing to an integer field of this size, just do it.
} else if (ArrayEltTy->isFloatingPointTy() ||
ArrayEltTy->isVectorTy()) {
// Bitcast to the right element type (for fp/vector values).
- EltVal = new BitCastInst(EltVal, ArrayEltTy, "", SI);
+ EltVal = Builder.CreateBitCast(EltVal, ArrayEltTy);
} else {
// Otherwise, bitcast the dest pointer (for aggregates).
- DestField = new BitCastInst(DestField,
- PointerType::getUnqual(EltVal->getType()),
- "", SI);
+ DestField = Builder.CreateBitCast(DestField,
+ PointerType::getUnqual(EltVal->getType()));
}
new StoreInst(EltVal, DestField, SI);
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