#include "llvm/AutoUpgrade.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
-#include "llvm/Instructions.h"
-#include "llvm/Intrinsics.h"
+#include "llvm/IntrinsicInst.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
#include <cstring>
using namespace llvm;
switch (Name[5]) {
default: break;
case 'a':
- // This upgrades the llvm.atomic.lcs, llvm.atomic.las, and llvm.atomic.lss
- // to their new function name
- if (Name.compare(5,8,"atomic.l",8) == 0) {
+ // This upgrades the llvm.atomic.lcs, llvm.atomic.las, llvm.atomic.lss,
+ // and atomics with default address spaces to their new names to their new
+ // function name (e.g. llvm.atomic.add.i32 => llvm.atomic.add.i32.p0i32)
+ if (Name.compare(5,7,"atomic.",7) == 0) {
if (Name.compare(12,3,"lcs",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.cmp.swap"+Name.substr(delim));
+ F->setName("llvm.atomic.cmp.swap" + Name.substr(delim) +
+ ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}
else if (Name.compare(12,3,"las",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.load.add"+Name.substr(delim));
+ F->setName("llvm.atomic.load.add"+Name.substr(delim)
+ + ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}
else if (Name.compare(12,3,"lss",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.load.sub"+Name.substr(delim));
+ F->setName("llvm.atomic.load.sub"+Name.substr(delim)
+ + ".p0" + Name.substr(delim+1));
+ NewFn = F;
+ return true;
+ }
+ else if (Name.rfind(".p") == std::string::npos) {
+ // We don't have an address space qualifier so this has be upgraded
+ // to the new name. Copy the type name at the end of the intrinsic
+ // and add to it
+ std::string::size_type delim = Name.find_last_of('.');
+ assert(delim != std::string::npos && "can not find type");
+ F->setName(Name + ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}
}
break;
+ case 'e':
+ // The old llvm.eh.selector.i32 is equivalent to the new llvm.eh.selector.
+ if (Name.compare("llvm.eh.selector.i32") == 0) {
+ F->setName("llvm.eh.selector");
+ NewFn = F;
+ return true;
+ }
+ // The old llvm.eh.typeid.for.i32 is equivalent to llvm.eh.typeid.for.
+ if (Name.compare("llvm.eh.typeid.for.i32") == 0) {
+ F->setName("llvm.eh.typeid.for");
+ NewFn = F;
+ return true;
+ }
+ // Convert the old llvm.eh.selector.i64 to a call to llvm.eh.selector.
+ if (Name.compare("llvm.eh.selector.i64") == 0) {
+ NewFn = Intrinsic::getDeclaration(M, Intrinsic::eh_selector);
+ return true;
+ }
+ // Convert the old llvm.eh.typeid.for.i64 to a call to llvm.eh.typeid.for.
+ if (Name.compare("llvm.eh.typeid.for.i64") == 0) {
+ NewFn = Intrinsic::getDeclaration(M, Intrinsic::eh_typeid_for);
+ return true;
+ }
+ break;
+
case 'p':
// This upgrades the llvm.part.select overloaded intrinsic names to only
// use one type specifier in the name. We only care about the old format
Name.compare(13,4,"psra", 4) == 0 ||
Name.compare(13,4,"psrl", 4) == 0) && Name[17] != 'i') {
- const llvm::Type *VT = VectorType::get(IntegerType::get(64), 1);
+ const llvm::Type *VT =
+ VectorType::get(IntegerType::get(FTy->getContext(), 64), 1);
// We don't have to do anything if the parameter already has
// the correct type.
// Upgrade intrinsic attributes. This does not change the function.
if (NewFn)
F = NewFn;
- if (unsigned id = F->getIntrinsicID(true))
- F->setParamAttrs(Intrinsic::getParamAttrs((Intrinsic::ID)id));
+ if (unsigned id = F->getIntrinsicID())
+ F->setAttributes(Intrinsic::getAttributes((Intrinsic::ID)id));
return Upgraded;
}
// order to seamlessly integrate with existing context.
void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Function *F = CI->getCalledFunction();
+ LLVMContext &C = CI->getContext();
+
assert(F && "CallInst has no function associated with it.");
if (!NewFn) {
bool isMovSD = false, isShufPD = false;
bool isUnpckhPD = false, isUnpcklPD = false;
bool isPunpckhQPD = false, isPunpcklQPD = false;
- if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadh.pd") == 0)
+ if (F->getName() == "llvm.x86.sse2.loadh.pd")
isLoadH = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadl.pd") == 0)
+ else if (F->getName() == "llvm.x86.sse2.loadl.pd")
isLoadL = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0)
+ else if (F->getName() == "llvm.x86.sse2.movl.dq")
isMovL = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movs.d") == 0)
+ else if (F->getName() == "llvm.x86.sse2.movs.d")
isMovSD = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.shuf.pd") == 0)
+ else if (F->getName() == "llvm.x86.sse2.shuf.pd")
isShufPD = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckh.pd") == 0)
+ else if (F->getName() == "llvm.x86.sse2.unpckh.pd")
isUnpckhPD = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckl.pd") == 0)
+ else if (F->getName() == "llvm.x86.sse2.unpckl.pd")
isUnpcklPD = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckh.qdq") == 0)
+ else if (F->getName() == "llvm.x86.sse2.punpckh.qdq")
isPunpckhQPD = true;
- else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckl.qdq") == 0)
+ else if (F->getName() == "llvm.x86.sse2.punpckl.qdq")
isPunpcklQPD = true;
if (isLoadH || isLoadL || isMovL || isMovSD || isShufPD ||
if (isLoadH || isLoadL) {
Value *Op1 = UndefValue::get(Op0->getType());
Value *Addr = new BitCastInst(CI->getOperand(2),
- PointerType::getUnqual(Type::DoubleTy),
+ Type::getDoublePtrTy(C),
"upgraded.", CI);
Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
- Value *Idx = ConstantInt::get(Type::Int32Ty, 0);
+ Value *Idx = ConstantInt::get(Type::getInt32Ty(C), 0);
Op1 = InsertElementInst::Create(Op1, Load, Idx, "upgraded.", CI);
if (isLoadH) {
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 0));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 0));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
} else {
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
}
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
} else if (isMovL) {
- Constant *Zero = ConstantInt::get(Type::Int32Ty, 0);
+ Constant *Zero = ConstantInt::get(Type::getInt32Ty(C), 0);
Idxs.push_back(Zero);
Idxs.push_back(Zero);
Idxs.push_back(Zero);
Value *ZeroV = ConstantVector::get(Idxs);
Idxs.clear();
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 4));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 5));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 4));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 5));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 3));
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(ZeroV, Op0, Mask, "upgraded.", CI);
} else if (isMovSD ||
isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
Value *Op1 = CI->getOperand(2);
if (isMovSD) {
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
} else if (isUnpckhPD || isPunpckhQPD) {
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 3));
} else {
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 0));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 0));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
}
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
} else if (isShufPD) {
Value *Op1 = CI->getOperand(2);
unsigned MaskVal = cast<ConstantInt>(CI->getOperand(3))->getZExtValue();
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, MaskVal & 1));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, ((MaskVal >> 1) & 1)+2));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), MaskVal & 1));
+ Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C),
+ ((MaskVal >> 1) & 1)+2));
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
}
// Clean up the old call now that it has been completely upgraded.
CI->eraseFromParent();
} else {
- assert(0 && "Unknown function for CallInst upgrade.");
+ llvm_unreachable("Unknown function for CallInst upgrade.");
}
return;
}
switch (NewFn->getIntrinsicID()) {
- default: assert(0 && "Unknown function for CallInst upgrade.");
+ default: llvm_unreachable("Unknown function for CallInst upgrade.");
case Intrinsic::x86_mmx_psll_d:
case Intrinsic::x86_mmx_psll_q:
case Intrinsic::x86_mmx_psll_w:
// Handle any uses of the old CallInst.
if (!CI->use_empty()) {
// Check for sign extend parameter attributes on the return values.
- bool SrcSExt = NewFn->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
- bool DestSExt = F->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
+ bool SrcSExt = NewFn->getAttributes().paramHasAttr(0, Attribute::SExt);
+ bool DestSExt = F->getAttributes().paramHasAttr(0, Attribute::SExt);
// Construct an appropriate cast from the new return type to the old.
CastInst *RetCast = CastInst::Create(
CI->eraseFromParent();
}
break;
+ case Intrinsic::eh_selector:
+ case Intrinsic::eh_typeid_for: {
+ // Only the return type changed.
+ SmallVector<Value*, 8> Operands(CI->op_begin() + 1, CI->op_end());
+ CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
+ "upgraded." + CI->getName(), CI);
+ NewCI->setTailCall(CI->isTailCall());
+ NewCI->setCallingConv(CI->getCallingConv());
+
+ // Handle any uses of the old CallInst.
+ if (!CI->use_empty()) {
+ // Construct an appropriate cast from the new return type to the old.
+ CastInst *RetCast =
+ CastInst::Create(CastInst::getCastOpcode(NewCI, true,
+ F->getReturnType(), true),
+ NewCI, F->getReturnType(), NewCI->getName(), CI);
+ CI->replaceAllUsesWith(RetCast);
+ }
+ CI->eraseFromParent();
+ }
+ break;
}
}
}
}
}
+
+/// This function checks debug info intrinsics. If an intrinsic is invalid
+/// then this function simply removes the intrinsic.
+void llvm::CheckDebugInfoIntrinsics(Module *M) {
+
+
+ if (Function *FuncStart = M->getFunction("llvm.dbg.func.start")) {
+ if (!FuncStart->use_empty()) {
+ DbgFuncStartInst *DFSI = cast<DbgFuncStartInst>(FuncStart->use_back());
+ if (!isa<MDNode>(DFSI->getOperand(1))) {
+ while (!FuncStart->use_empty()) {
+ CallInst *CI = cast<CallInst>(FuncStart->use_back());
+ CI->eraseFromParent();
+ }
+ FuncStart->eraseFromParent();
+ }
+ }
+ }
+
+ if (Function *StopPoint = M->getFunction("llvm.dbg.stoppoint")) {
+ if (!StopPoint->use_empty()) {
+ DbgStopPointInst *DSPI = cast<DbgStopPointInst>(StopPoint->use_back());
+ if (!isa<MDNode>(DSPI->getOperand(3))) {
+ while (!StopPoint->use_empty()) {
+ CallInst *CI = cast<CallInst>(StopPoint->use_back());
+ CI->eraseFromParent();
+ }
+ StopPoint->eraseFromParent();
+ }
+ }
+ }
+
+ if (Function *RegionStart = M->getFunction("llvm.dbg.region.start")) {
+ if (!RegionStart->use_empty()) {
+ DbgRegionStartInst *DRSI = cast<DbgRegionStartInst>(RegionStart->use_back());
+ if (!isa<MDNode>(DRSI->getOperand(1))) {
+ while (!RegionStart->use_empty()) {
+ CallInst *CI = cast<CallInst>(RegionStart->use_back());
+ CI->eraseFromParent();
+ }
+ RegionStart->eraseFromParent();
+ }
+ }
+ }
+
+ if (Function *RegionEnd = M->getFunction("llvm.dbg.region.end")) {
+ if (!RegionEnd->use_empty()) {
+ DbgRegionEndInst *DREI = cast<DbgRegionEndInst>(RegionEnd->use_back());
+ if (!isa<MDNode>(DREI->getOperand(1))) {
+ while (!RegionEnd->use_empty()) {
+ CallInst *CI = cast<CallInst>(RegionEnd->use_back());
+ CI->eraseFromParent();
+ }
+ RegionEnd->eraseFromParent();
+ }
+ }
+ }
+
+ if (Function *Declare = M->getFunction("llvm.dbg.declare")) {
+ if (!Declare->use_empty()) {
+ DbgDeclareInst *DDI = cast<DbgDeclareInst>(Declare->use_back());
+ if (!isa<MDNode>(DDI->getOperand(2))) {
+ while (!Declare->use_empty()) {
+ CallInst *CI = cast<CallInst>(Declare->use_back());
+ CI->eraseFromParent();
+ }
+ Declare->eraseFromParent();
+ }
+ }
+ }
+}