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reapply r101434

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with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-16 15:33:14 +00:00
parent 52d55bd224
commit 4ec2258ffb
44 changed files with 579 additions and 588 deletions
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16
lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
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@ -732,10 +732,10 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
// the right place.
Instruction *NewVal;
if (InputBit > ResultBit)
NewVal = BinaryOperator::CreateLShr(I->getOperand(1),
NewVal = BinaryOperator::CreateLShr(II->getOperand(0),
ConstantInt::get(I->getType(), InputBit-ResultBit));
else
NewVal = BinaryOperator::CreateShl(I->getOperand(1),
NewVal = BinaryOperator::CreateShl(II->getOperand(0),
ConstantInt::get(I->getType(), ResultBit-InputBit));
NewVal->takeName(I);
return InsertNewInstBefore(NewVal, *I);
@ -1052,12 +1052,12 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts,
case Intrinsic::x86_sse2_mul_sd:
case Intrinsic::x86_sse2_min_sd:
case Intrinsic::x86_sse2_max_sd:
TmpV = SimplifyDemandedVectorElts(II->getOperand(1), DemandedElts,
TmpV = SimplifyDemandedVectorElts(II->getOperand(0), DemandedElts,
UndefElts, Depth+1);
if (TmpV) { II->setOperand(1, TmpV); MadeChange = true; }
TmpV = SimplifyDemandedVectorElts(II->getOperand(2), DemandedElts,
if (TmpV) { II->setOperand(0, TmpV); MadeChange = true; }
TmpV = SimplifyDemandedVectorElts(II->getOperand(1), DemandedElts,
UndefElts2, Depth+1);
if (TmpV) { II->setOperand(2, TmpV); MadeChange = true; }
if (TmpV) { II->setOperand(1, TmpV); MadeChange = true; }
// If only the low elt is demanded and this is a scalarizable intrinsic,
// scalarize it now.
@ -1069,8 +1069,8 @@ Value *InstCombiner::SimplifyDemandedVectorElts(Value *V, APInt DemandedElts,
case Intrinsic::x86_sse2_sub_sd:
case Intrinsic::x86_sse2_mul_sd:
// TODO: Lower MIN/MAX/ABS/etc
Value *LHS = II->getOperand(1);
Value *RHS = II->getOperand(2);
Value *LHS = II->getOperand(0);
Value *RHS = II->getOperand(1);
// Extract the element as scalars.
LHS = InsertNewInstBefore(ExtractElementInst::Create(LHS,
ConstantInt::get(Type::getInt32Ty(I->getContext()), 0U)), *II);