diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineInternal.h | 4 | ||||
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 7 |
2 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h index 326029d8187..0f1121aef94 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h +++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h @@ -522,12 +522,12 @@ private: Value *SimplifyDemandedUseBits(Value *V, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth, Instruction *CxtI); - bool SimplifyDemandedBits(Use &U, APInt DemandedMask, APInt &KnownZero, + bool SimplifyDemandedBits(Use &U, const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth = 0); /// Helper routine of SimplifyDemandedUseBits. It tries to simplify demanded /// bit for "r1 = shr x, c1; r2 = shl r1, c2" instruction sequence. Value *SimplifyShrShlDemandedBits(Instruction *Lsr, Instruction *Sftl, - APInt DemandedMask, APInt &KnownZero, + const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne); /// \brief Tries to simplify operands to an integer instruction based on its diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index adc433c4b70..6d06c0a6a8c 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -68,7 +68,7 @@ bool InstCombiner::SimplifyDemandedInstructionBits(Instruction &Inst) { /// SimplifyDemandedBits - This form of SimplifyDemandedBits simplifies the /// specified instruction operand if possible, updating it in place. It returns /// true if it made any change and false otherwise. -bool InstCombiner::SimplifyDemandedBits(Use &U, APInt DemandedMask, +bool InstCombiner::SimplifyDemandedBits(Use &U, const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne, unsigned Depth) { auto *UserI = dyn_cast<Instruction>(U.getUser()); @@ -830,7 +830,10 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, /// As with SimplifyDemandedUseBits, it returns NULL if the simplification was /// not successful. Value *InstCombiner::SimplifyShrShlDemandedBits(Instruction *Shr, - Instruction *Shl, APInt DemandedMask, APInt &KnownZero, APInt &KnownOne) { + Instruction *Shl, + const APInt &DemandedMask, + APInt &KnownZero, + APInt &KnownOne) { const APInt &ShlOp1 = cast<ConstantInt>(Shl->getOperand(1))->getValue(); const APInt &ShrOp1 = cast<ConstantInt>(Shr->getOperand(1))->getValue(); |
