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comparison lib/Target/NVPTX/NVPTXLowerKernelArgs.cpp @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
comparison
equal deleted inserted replaced
96:6418606d0ead 100:7d135dc70f03
126 126
127 INITIALIZE_PASS(NVPTXLowerKernelArgs, "nvptx-lower-kernel-args", 127 INITIALIZE_PASS(NVPTXLowerKernelArgs, "nvptx-lower-kernel-args",
128 "Lower kernel arguments (NVPTX)", false, false) 128 "Lower kernel arguments (NVPTX)", false, false)
129 129
130 // ============================================================================= 130 // =============================================================================
131 // If the function had a byval struct ptr arg, say foo(%struct.x *byval %d), 131 // If the function had a byval struct ptr arg, say foo(%struct.x* byval %d),
132 // then add the following instructions to the first basic block: 132 // then add the following instructions to the first basic block:
133 // 133 //
134 // %temp = alloca %struct.x, align 8 134 // %temp = alloca %struct.x, align 8
135 // %tempd = addrspacecast %struct.x* %d to %struct.x addrspace(101)* 135 // %tempd = addrspacecast %struct.x* %d to %struct.x addrspace(101)*
136 // %tv = load %struct.x addrspace(101)* %tempd 136 // %tv = load %struct.x addrspace(101)* %tempd
171 if (Argument *Arg = dyn_cast<Argument>(Ptr)) { 171 if (Argument *Arg = dyn_cast<Argument>(Ptr)) {
172 // Insert at the functon entry if Ptr is an argument. 172 // Insert at the functon entry if Ptr is an argument.
173 InsertPt = Arg->getParent()->getEntryBlock().begin(); 173 InsertPt = Arg->getParent()->getEntryBlock().begin();
174 } else { 174 } else {
175 // Insert right after Ptr if Ptr is an instruction. 175 // Insert right after Ptr if Ptr is an instruction.
176 InsertPt = cast<Instruction>(Ptr); 176 InsertPt = ++cast<Instruction>(Ptr)->getIterator();
177 ++InsertPt;
178 assert(InsertPt != InsertPt->getParent()->end() && 177 assert(InsertPt != InsertPt->getParent()->end() &&
179 "We don't call this function with Ptr being a terminator."); 178 "We don't call this function with Ptr being a terminator.");
180 } 179 }
181 180
182 Instruction *PtrInGlobal = new AddrSpaceCastInst( 181 Instruction *PtrInGlobal = new AddrSpaceCastInst(
183 Ptr, PointerType::get(Ptr->getType()->getPointerElementType(), 182 Ptr, PointerType::get(Ptr->getType()->getPointerElementType(),
184 ADDRESS_SPACE_GLOBAL), 183 ADDRESS_SPACE_GLOBAL),
185 Ptr->getName(), InsertPt); 184 Ptr->getName(), &*InsertPt);
186 Value *PtrInGeneric = new AddrSpaceCastInst(PtrInGlobal, Ptr->getType(), 185 Value *PtrInGeneric = new AddrSpaceCastInst(PtrInGlobal, Ptr->getType(),
187 Ptr->getName(), InsertPt); 186 Ptr->getName(), &*InsertPt);
188 // Replace with PtrInGeneric all uses of Ptr except PtrInGlobal. 187 // Replace with PtrInGeneric all uses of Ptr except PtrInGlobal.
189 Ptr->replaceAllUsesWith(PtrInGeneric); 188 Ptr->replaceAllUsesWith(PtrInGeneric);
190 PtrInGlobal->setOperand(0, Ptr); 189 PtrInGlobal->setOperand(0, Ptr);
191 } 190 }
192 191