diff options
| author | Gabor Greif <ggreif@gmail.com> | 2010-04-16 15:33:14 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-04-16 15:33:14 +0000 |
| commit | 4ec2258ffb495d7ce00177e447740ef1123a27db (patch) | |
| tree | 491894533b2bbca44875d321e209e1dc2e27abb3 /lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | |
| parent | 52d55bd224ac08dfef959527ca8257f82a80dbb0 (diff) | |
| download | llvm-4ec2258ffb495d7ce00177e447740ef1123a27db.tar.gz llvm-4ec2258ffb495d7ce00177e447740ef1123a27db.tar.bz2 llvm-4ec2258ffb495d7ce00177e447740ef1123a27db.tar.xz | |
reapply r101434
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
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index cd41844c33..4144770431 100644 --- a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -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); |