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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2016-02-13 16:54:14 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2016-02-13 16:54:14 +0000 |
| commit | 8f59adb2175dc7c1bf54e381cb2074b9e91e7f8d (patch) | |
| tree | eacf4dafad740fd1e062f41da6c05435f8c85b00 /llvm/lib/IR/ConstantFold.cpp | |
| parent | 7f75e9403dd961010979dd5a0b97f6cd275b184d (diff) | |
| download | bcm5719-llvm-8f59adb2175dc7c1bf54e381cb2074b9e91e7f8d.tar.gz bcm5719-llvm-8f59adb2175dc7c1bf54e381cb2074b9e91e7f8d.zip | |
[ConstantFolding] Reduce APInt and APFloat copying.
llvm-svn: 260826
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 39cb156c802..00ff9788a9c 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -669,7 +669,7 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, case Instruction::UIToFP: case Instruction::SIToFP: if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) { - APInt api = CI->getValue(); + const APInt &api = CI->getValue(); APFloat apf(DestTy->getFltSemantics(), APInt::getNullValue(DestTy->getPrimitiveSizeInBits())); if (APFloat::opOverflow & @@ -1168,8 +1168,8 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, } } else if (ConstantFP *CFP1 = dyn_cast<ConstantFP>(C1)) { if (ConstantFP *CFP2 = dyn_cast<ConstantFP>(C2)) { - APFloat C1V = CFP1->getValueAPF(); - APFloat C2V = CFP2->getValueAPF(); + const APFloat &C1V = CFP1->getValueAPF(); + const APFloat &C2V = CFP2->getValueAPF(); APFloat C3V = C1V; // copy for modification switch (Opcode) { default: @@ -1729,8 +1729,8 @@ Constant *llvm::ConstantFoldCompareInstruction(unsigned short pred, } if (isa<ConstantInt>(C1) && isa<ConstantInt>(C2)) { - APInt V1 = cast<ConstantInt>(C1)->getValue(); - APInt V2 = cast<ConstantInt>(C2)->getValue(); + const APInt &V1 = cast<ConstantInt>(C1)->getValue(); + const APInt &V2 = cast<ConstantInt>(C2)->getValue(); switch (pred) { default: llvm_unreachable("Invalid ICmp Predicate"); case ICmpInst::ICMP_EQ: return ConstantInt::get(ResultTy, V1 == V2); @@ -1745,8 +1745,8 @@ Constant *llvm::ConstantFoldCompareInstruction(unsigned short pred, case ICmpInst::ICMP_UGE: return ConstantInt::get(ResultTy, V1.uge(V2)); } } else if (isa<ConstantFP>(C1) && isa<ConstantFP>(C2)) { - APFloat C1V = cast<ConstantFP>(C1)->getValueAPF(); - APFloat C2V = cast<ConstantFP>(C2)->getValueAPF(); + const APFloat &C1V = cast<ConstantFP>(C1)->getValueAPF(); + const APFloat &C2V = cast<ConstantFP>(C2)->getValueAPF(); APFloat::cmpResult R = C1V.compare(C2V); switch (pred) { default: llvm_unreachable("Invalid FCmp Predicate"); |
