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comparison gen/passes/SimplifyDRuntimeCalls.cpp @ 1545:7fcb72d518f6

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More factory methods moved to LLVMContext
author Benjamin Kramer <benny.kra@gmail.com>
date Wed, 15 Jul 2009 18:09:41 +0200
parents 61f12f4651b5
children ed0feda76820
comparison
equal deleted inserted replaced
1544:8863cf7236e6 1545:7fcb72d518f6
44 protected: 44 protected:
45 Function *Caller; 45 Function *Caller;
46 bool* Changed; 46 bool* Changed;
47 const TargetData *TD; 47 const TargetData *TD;
48 AliasAnalysis *AA; 48 AliasAnalysis *AA;
49 LLVMContext *Context;
49 50
50 /// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*. 51 /// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*.
51 Value *CastToCStr(Value *V, IRBuilder<> &B); 52 Value *CastToCStr(Value *V, IRBuilder<> &B);
52 53
53 /// EmitMemCpy - Emit a call to the memcpy function to the builder. This 54 /// EmitMemCpy - Emit a call to the memcpy function to the builder. This
69 AliasAnalysis& AA, IRBuilder<> &B) { 70 AliasAnalysis& AA, IRBuilder<> &B) {
70 Caller = CI->getParent()->getParent(); 71 Caller = CI->getParent()->getParent();
71 this->Changed = &Changed; 72 this->Changed = &Changed;
72 this->TD = &TD; 73 this->TD = &TD;
73 this->AA = &AA; 74 this->AA = &AA;
75 if (CI->getCalledFunction())
76 Context = CI->getCalledFunction()->getContext();
74 return CallOptimizer(CI->getCalledFunction(), CI, B); 77 return CallOptimizer(CI->getCalledFunction(), CI, B);
75 } 78 }
76 }; 79 };
77 } // End anonymous namespace. 80 } // End anonymous namespace.
78 81
89 Intrinsic::ID IID = Intrinsic::memcpy; 92 Intrinsic::ID IID = Intrinsic::memcpy;
90 const Type *Tys[1]; 93 const Type *Tys[1];
91 Tys[0] = Len->getType(); 94 Tys[0] = Len->getType();
92 Value *MemCpy = Intrinsic::getDeclaration(M, IID, Tys, 1); 95 Value *MemCpy = Intrinsic::getDeclaration(M, IID, Tys, 1);
93 return B.CreateCall4(MemCpy, CastToCStr(Dst, B), CastToCStr(Src, B), Len, 96 return B.CreateCall4(MemCpy, CastToCStr(Dst, B), CastToCStr(Src, B), Len,
94 ConstantInt::get(Type::Int32Ty, Align)); 97 Context->getConstantInt(Type::Int32Ty, Align));
95 } 98 }
96 99
97 //===----------------------------------------------------------------------===// 100 //===----------------------------------------------------------------------===//
98 // Miscellaneous LibCall Optimizations 101 // Miscellaneous LibCall Optimizations
99 //===----------------------------------------------------------------------===// 102 //===----------------------------------------------------------------------===//
175 return 0; 178 return 0;
176 179
177 APInt Quot, Rem; 180 APInt Quot, Rem;
178 APInt::udivrem(OldInt->getValue(), NewInt->getValue(), Quot, Rem); 181 APInt::udivrem(OldInt->getValue(), NewInt->getValue(), Quot, Rem);
179 if (Rem == 0) 182 if (Rem == 0)
180 return B.CreateMul(OldLen, ConstantInt::get(Quot)); 183 return B.CreateMul(OldLen, Context->getConstantInt(Quot));
181 } 184 }
182 return 0; 185 return 0;
183 } 186 }
184 }; 187 };
185 188
196 if (!Cmp->isEquality()) 199 if (!Cmp->isEquality())
197 continue; 200 continue;
198 Constant* C = 0; 201 Constant* C = 0;
199 if ((C = dyn_cast<Constant>(Cmp->getOperand(0))) 202 if ((C = dyn_cast<Constant>(Cmp->getOperand(0)))
200 || (C = dyn_cast<Constant>(Cmp->getOperand(1)))) { 203 || (C = dyn_cast<Constant>(Cmp->getOperand(1)))) {
201 Value* Result = ConstantInt::get(Type::Int1Ty, !Cmp->isTrueWhenEqual()); 204 Value* Result = Context->getConstantInt(Type::Int1Ty, !Cmp->isTrueWhenEqual());
202 Cmp->replaceAllUsesWith(Result); 205 Cmp->replaceAllUsesWith(Result);
203 // Don't delete the comparison because there may be an 206 // Don't delete the comparison because there may be an
204 // iterator to it. Instead, set the operands to constants 207 // iterator to it. Instead, set the operands to constants
205 // and let dead code elimination clean it up later. 208 // and let dead code elimination clean it up later.
206 // (It doesn't matter that this changes the value of the 209 // (It doesn't matter that this changes the value of the