diff options
| author | Craig Topper <craig.topper@intel.com> | 2017-07-06 18:39:49 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-07-06 18:39:49 +0000 |
| commit | ca2c87653cfd6831124d654617950d1e906cadb8 (patch) | |
| tree | 6bd0599a6233034c25ce9416094575c11c755387 /llvm/lib/IR/ConstantFold.cpp | |
| parent | 79ab643da842b03da893a0188426450525e6ada5 (diff) | |
| download | bcm5719-llvm-ca2c87653cfd6831124d654617950d1e906cadb8.tar.gz bcm5719-llvm-ca2c87653cfd6831124d654617950d1e906cadb8.zip | |
[Constants] Replace calls to ConstantInt::equalsInt(0)/equalsInt(1) with isZero and isOne. NFCI
llvm-svn: 307293
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 464baad6236..23ccd8d4cf4 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -1015,28 +1015,28 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) { switch (Opcode) { case Instruction::Add: - if (CI2->equalsInt(0)) return C1; // X + 0 == X + if (CI2->isZero()) return C1; // X + 0 == X break; case Instruction::Sub: - if (CI2->equalsInt(0)) return C1; // X - 0 == X + if (CI2->isZero()) return C1; // X - 0 == X break; case Instruction::Mul: - if (CI2->equalsInt(0)) return C2; // X * 0 == 0 - if (CI2->equalsInt(1)) + if (CI2->isZero()) return C2; // X * 0 == 0 + if (CI2->isOne()) return C1; // X * 1 == X break; case Instruction::UDiv: case Instruction::SDiv: - if (CI2->equalsInt(1)) + if (CI2->isOne()) return C1; // X / 1 == X - if (CI2->equalsInt(0)) + if (CI2->isZero()) return UndefValue::get(CI2->getType()); // X / 0 == undef break; case Instruction::URem: case Instruction::SRem: - if (CI2->equalsInt(1)) + if (CI2->isOne()) return Constant::getNullValue(CI2->getType()); // X % 1 == 0 - if (CI2->equalsInt(0)) + if (CI2->isZero()) return UndefValue::get(CI2->getType()); // X % 0 == undef break; case Instruction::And: @@ -1078,12 +1078,12 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, } break; case Instruction::Or: - if (CI2->equalsInt(0)) return C1; // X | 0 == X + if (CI2->isZero()) return C1; // X | 0 == X if (CI2->isMinusOne()) return C2; // X | -1 == -1 break; case Instruction::Xor: - if (CI2->equalsInt(0)) return C1; // X ^ 0 == X + if (CI2->isZero()) return C1; // X ^ 0 == X if (ConstantExpr *CE1 = dyn_cast<ConstantExpr>(C1)) { switch (CE1->getOpcode()) { @@ -1091,7 +1091,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, case Instruction::ICmp: case Instruction::FCmp: // cmp pred ^ true -> cmp !pred - assert(CI2->equalsInt(1)); + assert(CI2->isOne()); CmpInst::Predicate pred = (CmpInst::Predicate)CE1->getPredicate(); pred = CmpInst::getInversePredicate(pred); return ConstantExpr::getCompare(pred, CE1->getOperand(0), @@ -1170,7 +1170,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, case Instruction::LShr: case Instruction::AShr: case Instruction::Shl: - if (CI1->equalsInt(0)) return C1; + if (CI1->isZero()) return C1; break; default: break; |
