| ValueTracking.cpp (193323) | ValueTracking.cpp (193574) |
|---|---|
| 1//===- ValueTracking.cpp - Walk computations to compute properties --------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 757 unchanged lines hidden (view full) --- 766 767 if (Depth == 6) 768 return 1; // Limit search depth. 769 770 const Instruction *I = dyn_cast<Instruction>(V); 771 if (I == 0) return false; 772 773 // (add x, 0.0) is guaranteed to return +0.0, not -0.0. | 1//===- ValueTracking.cpp - Walk computations to compute properties --------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 757 unchanged lines hidden (view full) --- 766 767 if (Depth == 6) 768 return 1; // Limit search depth. 769 770 const Instruction *I = dyn_cast<Instruction>(V); 771 if (I == 0) return false; 772 773 // (add x, 0.0) is guaranteed to return +0.0, not -0.0. |
| 774 if (I->getOpcode() == Instruction::Add && | 774 if (I->getOpcode() == Instruction::FAdd && |
| 775 isa<ConstantFP>(I->getOperand(1)) && 776 cast<ConstantFP>(I->getOperand(1))->isNullValue()) 777 return true; 778 779 // sitofp and uitofp turn into +0.0 for zero. 780 if (isa<SIToFPInst>(I) || isa<UIToFPInst>(I)) 781 return true; 782 --- 297 unchanged lines hidden --- | 775 isa<ConstantFP>(I->getOperand(1)) && 776 cast<ConstantFP>(I->getOperand(1))->isNullValue()) 777 return true; 778 779 // sitofp and uitofp turn into +0.0 for zero. 780 if (isa<SIToFPInst>(I) || isa<UIToFPInst>(I)) 781 return true; 782 --- 297 unchanged lines hidden --- |