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-rw-r--r--llvm/lib/CodeGen/IntrinsicLowering.cpp214
-rw-r--r--llvm/lib/Debugger/UnixLocalInferiorProcess.cpp2
-rw-r--r--llvm/lib/ExecutionEngine/Interpreter/Execution.cpp2
-rw-r--r--llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp2
-rw-r--r--llvm/lib/Target/CBackend/Writer.cpp2
-rw-r--r--llvm/lib/Target/SparcV8/InstSelectSimple.cpp2
-rw-r--r--llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp2
-rw-r--r--llvm/lib/Target/SparcV9/SparcV9TargetMachine.cpp2
-rw-r--r--llvm/lib/Target/TargetMachine.cpp2
-rw-r--r--llvm/lib/Target/X86/InstSelectSimple.cpp5
-rw-r--r--llvm/lib/Target/X86/X86SimpInstrSelector.cpp2
-rw-r--r--llvm/lib/Target/X86/X86TargetMachine.cpp4
-rw-r--r--llvm/lib/VMCore/IntrinsicLowering.cpp2
-rw-r--r--llvm/utils/TableGen/SimpleInstrSelEmitter.cpp2
14 files changed, 230 insertions, 15 deletions
diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
new file mode 100644
index 00000000000..6af333e79a5
--- /dev/null
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -0,0 +1,214 @@
+//===-- IntrinsicLowering.cpp - Intrinsic Lowering default implementation -===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the default intrinsic lowering implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/IntrinsicLowering.h"
+#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/iOther.h"
+using namespace llvm;
+
+template <class ArgIt>
+static Function *EnsureFunctionExists(Module &M, const char *Name,
+ ArgIt ArgBegin, ArgIt ArgEnd,
+ const Type *RetTy) {
+ if (Function *F = M.getNamedFunction(Name)) return F;
+ // It doesn't already exist in the program, insert a new definition now.
+ std::vector<const Type *> ParamTys;
+ for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
+ ParamTys.push_back(I->getType());
+ return M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
+}
+
+/// ReplaceCallWith - This function is used when we want to lower an intrinsic
+/// call to a call of an external function. This handles hard cases such as
+/// when there was already a prototype for the external function, and if that
+/// prototype doesn't match the arguments we expect to pass in.
+template <class ArgIt>
+static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
+ ArgIt ArgBegin, ArgIt ArgEnd,
+ const Type *RetTy, Function *&FCache) {
+ if (!FCache) {
+ // If we haven't already looked up this function, check to see if the
+ // program already contains a function with this name.
+ Module *M = CI->getParent()->getParent()->getParent();
+ FCache = M->getNamedFunction(NewFn);
+ if (!FCache) {
+ // It doesn't already exist in the program, insert a new definition now.
+ std::vector<const Type *> ParamTys;
+ for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
+ ParamTys.push_back((*I)->getType());
+ FCache = M->getOrInsertFunction(NewFn,
+ FunctionType::get(RetTy, ParamTys, false));
+ }
+ }
+
+ const FunctionType *FT = FCache->getFunctionType();
+ std::vector<Value*> Operands;
+ unsigned ArgNo = 0;
+ for (ArgIt I = ArgBegin; I != ArgEnd && ArgNo != FT->getNumParams();
+ ++I, ++ArgNo) {
+ Value *Arg = *I;
+ if (Arg->getType() != FT->getParamType(ArgNo))
+ Arg = new CastInst(Arg, FT->getParamType(ArgNo), Arg->getName(), CI);
+ Operands.push_back(Arg);
+ }
+ // Pass nulls into any additional arguments...
+ for (; ArgNo != FT->getNumParams(); ++ArgNo)
+ Operands.push_back(Constant::getNullValue(FT->getParamType(ArgNo)));
+
+ std::string Name = CI->getName(); CI->setName("");
+ if (FT->getReturnType() == Type::VoidTy) Name.clear();
+ CallInst *NewCI = new CallInst(FCache, Operands, Name, CI);
+ if (!CI->use_empty()) {
+ Value *V = NewCI;
+ if (CI->getType() != NewCI->getType())
+ V = new CastInst(NewCI, CI->getType(), Name, CI);
+ CI->replaceAllUsesWith(V);
+ }
+ return NewCI;
+}
+
+void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
+ for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
+ if (I->isExternal() && !I->use_empty())
+ switch (I->getIntrinsicID()) {
+ default: break;
+ case Intrinsic::setjmp:
+ EnsureFunctionExists(M, "setjmp", I->abegin(), I->aend(), Type::IntTy);
+ break;
+ case Intrinsic::longjmp:
+ EnsureFunctionExists(M, "longjmp", I->abegin(), I->aend(),Type::VoidTy);
+ break;
+ case Intrinsic::siglongjmp:
+ EnsureFunctionExists(M, "abort", I->aend(), I->aend(), Type::VoidTy);
+ break;
+ case Intrinsic::memcpy:
+ EnsureFunctionExists(M, "memcpy", I->abegin(), --I->aend(),
+ I->abegin()->getType());
+ break;
+ case Intrinsic::memmove:
+ EnsureFunctionExists(M, "memmove", I->abegin(), --I->aend(),
+ I->abegin()->getType());
+ break;
+ case Intrinsic::memset:
+ EnsureFunctionExists(M, "memset", I->abegin(), --I->aend(),
+ I->abegin()->getType());
+ break;
+ case Intrinsic::isunordered:
+ EnsureFunctionExists(M, "isunordered", I->abegin(), I->aend(), Type::BoolTy);
+ break;
+ }
+
+}
+
+void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
+ Function *Callee = CI->getCalledFunction();
+ assert(Callee && "Cannot lower an indirect call!");
+
+ switch (Callee->getIntrinsicID()) {
+ case Intrinsic::not_intrinsic:
+ std::cerr << "Cannot lower a call to a non-intrinsic function '"
+ << Callee->getName() << "'!\n";
+ abort();
+ default:
+ std::cerr << "Error: Code generator does not support intrinsic function '"
+ << Callee->getName() << "'!\n";
+ abort();
+
+ // The setjmp/longjmp intrinsics should only exist in the code if it was
+ // never optimized (ie, right out of the CFE), or if it has been hacked on
+ // by the lowerinvoke pass. In both cases, the right thing to do is to
+ // convert the call to an explicit setjmp or longjmp call.
+ case Intrinsic::setjmp: {
+ static Function *SetjmpFCache = 0;
+ Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin()+1, CI->op_end(),
+ Type::IntTy, SetjmpFCache);
+ if (CI->getType() != Type::VoidTy)
+ CI->replaceAllUsesWith(V);
+ break;
+ }
+ case Intrinsic::sigsetjmp:
+ if (CI->getType() != Type::VoidTy)
+ CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
+ break;
+
+ case Intrinsic::longjmp: {
+ static Function *LongjmpFCache = 0;
+ ReplaceCallWith("longjmp", CI, CI->op_begin()+1, CI->op_end(),
+ Type::VoidTy, LongjmpFCache);
+ break;
+ }
+
+ case Intrinsic::siglongjmp: {
+ // Insert the call to abort
+ static Function *AbortFCache = 0;
+ ReplaceCallWith("abort", CI, CI->op_end(), CI->op_end(), Type::VoidTy,
+ AbortFCache);
+ break;
+ }
+
+ case Intrinsic::returnaddress:
+ case Intrinsic::frameaddress:
+ std::cerr << "WARNING: this target does not support the llvm."
+ << (Callee->getIntrinsicID() == Intrinsic::returnaddress ?
+ "return" : "frame") << "address intrinsic.\n";
+ CI->replaceAllUsesWith(ConstantPointerNull::get(
+ cast<PointerType>(CI->getType())));
+ break;
+
+ case Intrinsic::dbg_stoppoint:
+ case Intrinsic::dbg_region_start:
+ case Intrinsic::dbg_region_end:
+ case Intrinsic::dbg_declare:
+ case Intrinsic::dbg_func_start:
+ if (CI->getType() != Type::VoidTy)
+ CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
+ break; // Simply strip out debugging intrinsics
+
+ case Intrinsic::memcpy: {
+ // The memcpy intrinsic take an extra alignment argument that the memcpy
+ // libc function does not.
+ static Function *MemcpyFCache = 0;
+ ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1,
+ (*(CI->op_begin()+1))->getType(), MemcpyFCache);
+ break;
+ }
+ case Intrinsic::memmove: {
+ // The memmove intrinsic take an extra alignment argument that the memmove
+ // libc function does not.
+ static Function *MemmoveFCache = 0;
+ ReplaceCallWith("memmove", CI, CI->op_begin()+1, CI->op_end()-1,
+ (*(CI->op_begin()+1))->getType(), MemmoveFCache);
+ break;
+ }
+ case Intrinsic::memset: {
+ // The memset intrinsic take an extra alignment argument that the memset
+ // libc function does not.
+ static Function *MemsetFCache = 0;
+ ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
+ (*(CI->op_begin()+1))->getType(), MemsetFCache);
+ break;
+ }
+ case Intrinsic::isunordered: {
+ static Function *isunorderedFCache = 0;
+ ReplaceCallWith("isunordered", CI, CI->op_begin()+1, CI->op_end(),
+ Type::BoolTy, isunorderedFCache);
+ break;
+ }
+ }
+
+ assert(CI->use_empty() &&
+ "Lowering should have eliminated any uses of the intrinsic call!");
+ CI->getParent()->getInstList().erase(CI);
+}
diff --git a/llvm/lib/Debugger/UnixLocalInferiorProcess.cpp b/llvm/lib/Debugger/UnixLocalInferiorProcess.cpp
index 20d04803979..0c94a4b7721 100644
--- a/llvm/lib/Debugger/UnixLocalInferiorProcess.cpp
+++ b/llvm/lib/Debugger/UnixLocalInferiorProcess.cpp
@@ -24,12 +24,12 @@
//===----------------------------------------------------------------------===//
#include "llvm/Debugger/InferiorProcess.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Constant.h"
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
#include "llvm/Type.h"
#include "llvm/iOther.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "Support/FileUtilities.h"
diff --git a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
index 3348ab48826..a9846705b43 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -16,7 +16,7 @@
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "Support/Statistic.h"
#include "Support/Debug.h"
diff --git a/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp b/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
index 9780add37d3..adb26aea64e 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
@@ -14,7 +14,7 @@
//===----------------------------------------------------------------------===//
#include "Interpreter.h"
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
using namespace llvm;
diff --git a/llvm/lib/Target/CBackend/Writer.cpp b/llvm/lib/Target/CBackend/Writer.cpp
index 05be7706b33..adda86d64ee 100644
--- a/llvm/lib/Target/CBackend/Writer.cpp
+++ b/llvm/lib/Target/CBackend/Writer.cpp
@@ -22,10 +22,10 @@
#include "llvm/PassManager.h"
#include "llvm/SymbolTable.h"
#include "llvm/Intrinsics.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Analysis/ConstantsScanner.h"
#include "llvm/Analysis/FindUsedTypes.h"
#include "llvm/Analysis/LoopInfo.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/CFG.h"
diff --git a/llvm/lib/Target/SparcV8/InstSelectSimple.cpp b/llvm/lib/Target/SparcV8/InstSelectSimple.cpp
index 1bfd4da278c..e4ef4e1505c 100644
--- a/llvm/lib/Target/SparcV8/InstSelectSimple.cpp
+++ b/llvm/lib/Target/SparcV8/InstSelectSimple.cpp
@@ -15,9 +15,9 @@
#include "SparcV8InstrInfo.h"
#include "Support/Debug.h"
#include "llvm/Instructions.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Pass.h"
#include "llvm/Constants.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
diff --git a/llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp b/llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
index 6cce02f8dd6..0e8c58b1bd1 100644
--- a/llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
+++ b/llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
@@ -16,11 +16,11 @@
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/Function.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/iPHINode.h"
#include "llvm/iOther.h"
#include "llvm/Pass.h"
#include "llvm/CodeGen/InstrForest.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetMachine.h"
diff --git a/llvm/lib/Target/SparcV9/SparcV9TargetMachine.cpp b/llvm/lib/Target/SparcV9/SparcV9TargetMachine.cpp
index d7d5ab7364c..78332e1f104 100644
--- a/llvm/lib/Target/SparcV9/SparcV9TargetMachine.cpp
+++ b/llvm/lib/Target/SparcV9/SparcV9TargetMachine.cpp
@@ -14,11 +14,11 @@
//===----------------------------------------------------------------------===//
#include "llvm/Function.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/PassManager.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/CodeGen/InstrScheduling.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionInfo.h"
#include "llvm/CodeGen/MachineCodeForInstruction.h"
diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index edb8c54ae9d..051ebf07b4b 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -13,7 +13,7 @@
#include "llvm/Target/TargetMachine.h"
#include "llvm/Type.h"
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "Support/CommandLine.h"
using namespace llvm;
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp
index 454fb2f0997..f37b52ee7eb 100644
--- a/llvm/lib/Target/X86/InstSelectSimple.cpp
+++ b/llvm/lib/Target/X86/InstSelectSimple.cpp
@@ -18,8 +18,8 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Pass.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
@@ -2155,7 +2155,8 @@ void ISel::emitSimpleBinaryOperation(MachineBasicBlock *MBB,
unsigned op1Reg = getReg(Op1, MBB, IP);
unsigned Tmp = makeAnotherReg(Op0->getType());
BuildMI(*MBB, IP, NEGTab[Class], 1, Tmp).addReg(op1Reg);
- BuildMI(*MBB, IP, ADDRITab[Class], 2, DestReg).addReg(Tmp).addImm(CI->getRawValue());
+ BuildMI(*MBB, IP, ADDRITab[Class], 2,
+ DestReg).addReg(Tmp).addImm(CI->getRawValue());
return;
}
}
diff --git a/llvm/lib/Target/X86/X86SimpInstrSelector.cpp b/llvm/lib/Target/X86/X86SimpInstrSelector.cpp
index 7a6115e3ec7..e310d04b3b4 100644
--- a/llvm/lib/Target/X86/X86SimpInstrSelector.cpp
+++ b/llvm/lib/Target/X86/X86SimpInstrSelector.cpp
@@ -18,8 +18,8 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Pass.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 97d82e0416d..194c8b5e6ed 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -13,12 +13,12 @@
#include "X86TargetMachine.h"
#include "X86.h"
-#include "llvm/IntrinsicLowering.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineImpls.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetMachineImpls.h"
#include "llvm/Transforms/Scalar.h"
#include "Support/CommandLine.h"
#include "Support/Statistic.h"
diff --git a/llvm/lib/VMCore/IntrinsicLowering.cpp b/llvm/lib/VMCore/IntrinsicLowering.cpp
index 313f510edbf..6af333e79a5 100644
--- a/llvm/lib/VMCore/IntrinsicLowering.cpp
+++ b/llvm/lib/VMCore/IntrinsicLowering.cpp
@@ -11,7 +11,7 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
diff --git a/llvm/utils/TableGen/SimpleInstrSelEmitter.cpp b/llvm/utils/TableGen/SimpleInstrSelEmitter.cpp
index 8d36a741a51..df2f4a3cba6 100644
--- a/llvm/utils/TableGen/SimpleInstrSelEmitter.cpp
+++ b/llvm/utils/TableGen/SimpleInstrSelEmitter.cpp
@@ -51,8 +51,8 @@ void SimpleInstrSelEmitter::run(std::ostream &OS) {
// OS << "#include \"llvm/DerivedTypes.h\"\n";
// OS << "#include \"llvm/Function.h\"\n";
// OS << "#include \"llvm/Instructions.h\"\n";
-// OS << "#include \"llvm/IntrinsicLowering.h\"\n";
// OS << "#include \"llvm/Pass.h\"\n";
+// OS << "#include \"llvm/CodeGen/IntrinsicLowering.h\"\n";
// OS << "#include \"llvm/CodeGen/MachineConstantPool.h\"\n";
// OS << "#include \"llvm/CodeGen/MachineFrameInfo.h\"\n";
// OS << "#include \"llvm/CodeGen/MachineFunction.h\"\n";
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