//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chandler Carruth and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#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/ParameterAttributes.h"
#include "llvm/Intrinsics.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <cstring>
using namespace llvm;
static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
assert(F && "Illegal to upgrade a non-existent Function.");
+ LLVMContext &Context = F->getContext();
+
// Get the Function's name.
const std::string& Name = F->getName();
Module *M = F->getParent();
switch (Name[5]) {
default: break;
+ case 'a':
+ // 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) +
+ ".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)
+ + ".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)
+ + ".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 'b':
// This upgrades the name of the llvm.bswap intrinsic function to only use
// a single type name for overloading. We only care about the old format
if (Name.compare(5,10,"x86.mmx.ps",10) == 0 &&
(Name.compare(13,4,"psll", 4) == 0 ||
Name.compare(13,4,"psra", 4) == 0 ||
- Name.compare(13,4,"psrl", 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 =
+ Context.getVectorType(Context.getIntegerType(64), 1);
// We don't have to do anything if the parameter already has
// the correct type.
VT,
(Type *)0));
return true;
- } else if (Name.compare(5,16,"x86.sse2.movl.dq",16) == 0) {
- // Calls to this intrinsic are transformed into ShuffleVector's.
+ } else if (Name.compare(5,17,"x86.sse2.loadh.pd",17) == 0 ||
+ Name.compare(5,17,"x86.sse2.loadl.pd",17) == 0 ||
+ Name.compare(5,16,"x86.sse2.movl.dq",16) == 0 ||
+ Name.compare(5,15,"x86.sse2.movs.d",15) == 0 ||
+ Name.compare(5,16,"x86.sse2.shuf.pd",16) == 0 ||
+ Name.compare(5,18,"x86.sse2.unpckh.pd",18) == 0 ||
+ Name.compare(5,18,"x86.sse2.unpckl.pd",18) == 0 ||
+ Name.compare(5,20,"x86.sse2.punpckh.qdq",20) == 0 ||
+ Name.compare(5,20,"x86.sse2.punpckl.qdq",20) == 0) {
+ // Calls to these intrinsics are transformed into ShuffleVector's.
NewFn = 0;
return true;
}
// 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 &Context = F->getContext();
+
assert(F && "CallInst has no function associated with it.");
if (!NewFn) {
- if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0) {
+ bool isLoadH = false, isLoadL = false, isMovL = false;
+ 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)
+ isLoadH = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadl.pd") == 0)
+ isLoadL = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0)
+ isMovL = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movs.d") == 0)
+ isMovSD = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.shuf.pd") == 0)
+ isShufPD = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckh.pd") == 0)
+ isUnpckhPD = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckl.pd") == 0)
+ isUnpcklPD = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckh.qdq") == 0)
+ isPunpckhQPD = true;
+ else if (strcmp(F->getNameStart(), "llvm.x86.sse2.punpckl.qdq") == 0)
+ isPunpcklQPD = true;
+
+ if (isLoadH || isLoadL || isMovL || isMovSD || isShufPD ||
+ isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
std::vector<Constant*> Idxs;
- Constant *Zero = ConstantInt::get(Type::Int32Ty, 0);
- Idxs.push_back(Zero);
- 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));
- Value *Mask = ConstantVector::get(Idxs);
- ShuffleVectorInst *SI = new ShuffleVectorInst(ZeroV, CI->getOperand(1),
- Mask, "upgraded", CI);
+ Value *Op0 = CI->getOperand(1);
+ ShuffleVectorInst *SI = NULL;
+ if (isLoadH || isLoadL) {
+ Value *Op1 = Context.getUndef(Op0->getType());
+ Value *Addr = new BitCastInst(CI->getOperand(2),
+ Context.getPointerTypeUnqual(Type::DoubleTy),
+ "upgraded.", CI);
+ Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
+ Value *Idx = Context.getConstantInt(Type::Int32Ty, 0);
+ Op1 = InsertElementInst::Create(Op1, Load, Idx, "upgraded.", CI);
+
+ if (isLoadH) {
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 0));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 2));
+ } else {
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 2));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 1));
+ }
+ Value *Mask = Context.getConstantVector(Idxs);
+ SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
+ } else if (isMovL) {
+ Constant *Zero = Context.getConstantInt(Type::Int32Ty, 0);
+ Idxs.push_back(Zero);
+ Idxs.push_back(Zero);
+ Idxs.push_back(Zero);
+ Idxs.push_back(Zero);
+ Value *ZeroV = Context.getConstantVector(Idxs);
+
+ Idxs.clear();
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 4));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 5));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 2));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 3));
+ Value *Mask = Context.getConstantVector(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(Context.getConstantInt(Type::Int32Ty, 2));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 1));
+ } else if (isUnpckhPD || isPunpckhQPD) {
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 1));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 3));
+ } else {
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 0));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty, 2));
+ }
+ Value *Mask = Context.getConstantVector(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(Context.getConstantInt(Type::Int32Ty, MaskVal & 1));
+ Idxs.push_back(Context.getConstantInt(Type::Int32Ty,
+ ((MaskVal >> 1) & 1)+2));
+ Value *Mask = Context.getConstantVector(Idxs);
+ SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
+ }
+
+ assert(SI && "Unexpected!");
// Handle any uses of the old CallInst.
if (!CI->use_empty())
// 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.");
+ switch (NewFn->getIntrinsicID()) {
+ 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:
case Intrinsic::x86_mmx_psrl_d:
case Intrinsic::x86_mmx_psrl_q:
case Intrinsic::x86_mmx_psrl_w: {
- SmallVector<Value*, 2> Operands;
+ Value *Operands[2];
- Operands.push_back(CI->getOperand(1));
+ Operands[0] = CI->getOperand(1);
// Cast the second parameter to the correct type.
BitCastInst *BC = new BitCastInst(CI->getOperand(2),
NewFn->getFunctionType()->getParamType(1),
- "upgraded", CI);
- Operands.push_back(BC);
+ "upgraded.", CI);
+ Operands[1] = BC;
// Construct a new CallInst
- CallInst *NewCI = new CallInst(NewFn, Operands.begin(), Operands.end(),
- "upgraded."+CI->getName(), CI);
+ CallInst *NewCI = CallInst::Create(NewFn, Operands, Operands+2,
+ "upgraded."+CI->getName(), CI);
NewCI->setTailCall(CI->isTailCall());
NewCI->setCallingConv(CI->getCallingConv());
}
case Intrinsic::ctlz:
case Intrinsic::ctpop:
- case Intrinsic::cttz:
+ case Intrinsic::cttz: {
// Build a small vector of the 1..(N-1) operands, which are the
// parameters.
- SmallVector<Value*, 8> Operands(CI->op_begin()+1, CI->op_end());
+ SmallVector<Value*, 8> Operands(CI->op_begin()+1, CI->op_end());
// Construct a new CallInst
- CallInst *NewCI = new CallInst(NewFn, Operands.begin(), Operands.end(),
- "upgraded."+CI->getName(), CI);
+ 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()) {
// Check for sign extend parameter attributes on the return values.
- bool SrcSExt = NewFn->getParamAttrs() &&
- NewFn->getParamAttrs()->paramHasAttr(0,ParamAttr::SExt);
- bool DestSExt = F->getParamAttrs() &&
- 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(
+ CastInst *RetCast = CastInst::Create(
CastInst::getCastOpcode(NewCI, SrcSExt,
F->getReturnType(),
DestSExt),
// Clean up the old call now that it has been completely upgraded.
CI->eraseFromParent();
- break;
+ }
+ break;
}
}
}
}
}
-