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author | Chris Lattner <sabre@nondot.org> | 2010-01-05 07:20:54 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-01-05 07:20:54 +0000 |
commit | f87cd93e0ce0b707b996cd2e07584b6e9217fc05 (patch) | |
tree | 780fdd2f242d04e194fd358a873e0273f4684bfc | |
parent | 53a19b73b5d18794c314bf93f4f3f03e5a8af1f2 (diff) | |
download | external_llvm-f87cd93e0ce0b707b996cd2e07584b6e9217fc05.zip external_llvm-f87cd93e0ce0b707b996cd2e07584b6e9217fc05.tar.gz external_llvm-f87cd93e0ce0b707b996cd2e07584b6e9217fc05.tar.bz2 |
this inline function moved to addsub
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92705 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Transforms/InstCombine/InstructionCombining.cpp | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 62f7421..1b08b0e 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -251,30 +251,6 @@ static inline Value *dyn_castNotVal(Value *V) { -// dyn_castFoldableMul - If this value is a multiply that can be folded into -// other computations (because it has a constant operand), return the -// non-constant operand of the multiply, and set CST to point to the multiplier. -// Otherwise, return null. -// -static inline Value *dyn_castFoldableMul(Value *V, ConstantInt *&CST) { - if (V->hasOneUse() && V->getType()->isInteger()) - if (Instruction *I = dyn_cast<Instruction>(V)) { - if (I->getOpcode() == Instruction::Mul) - if ((CST = dyn_cast<ConstantInt>(I->getOperand(1)))) - return I->getOperand(0); - if (I->getOpcode() == Instruction::Shl) - if ((CST = dyn_cast<ConstantInt>(I->getOperand(1)))) { - // The multiplier is really 1 << CST. - uint32_t BitWidth = cast<IntegerType>(V->getType())->getBitWidth(); - uint32_t CSTVal = CST->getLimitedValue(BitWidth); - CST = ConstantInt::get(V->getType()->getContext(), - APInt(BitWidth, 1).shl(CSTVal)); - return I->getOperand(0); - } - } - return 0; -} - /// AddOne - Add one to a ConstantInt. static Constant *AddOne(Constant *C) { return ConstantExpr::getAdd(C, ConstantInt::get(C->getType(), 1)); |