mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-23 02:29:18 +00:00
it in with the SSSE3 instructions. Steward! Could you place this chair by the aft sun deck? I'm trying to get away from the Astors. They are such boors! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115552 91177308-0d34-0410-b5e6-96231b3b80d8
1407 lines
54 KiB
C++
1407 lines
54 KiB
C++
//===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the auto-upgrade helper functions
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/AutoUpgrade.h"
|
|
#include "llvm/Constants.h"
|
|
#include "llvm/Function.h"
|
|
#include "llvm/LLVMContext.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/IntrinsicInst.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/Support/CallSite.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/IRBuilder.h"
|
|
#include <cstring>
|
|
using namespace llvm;
|
|
|
|
|
|
static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
|
|
assert(F && "Illegal to upgrade a non-existent Function.");
|
|
|
|
// Get the Function's name.
|
|
const std::string& Name = F->getName();
|
|
|
|
// Convenience
|
|
const FunctionType *FTy = F->getFunctionType();
|
|
|
|
// Quickly eliminate it, if it's not a candidate.
|
|
if (Name.length() <= 8 || Name[0] != 'l' || Name[1] != 'l' ||
|
|
Name[2] != 'v' || Name[3] != 'm' || Name[4] != '.')
|
|
return false;
|
|
|
|
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;
|
|
}
|
|
} else if (Name.compare(5, 9, "arm.neon.", 9) == 0) {
|
|
if (((Name.compare(14, 5, "vmovl", 5) == 0 ||
|
|
Name.compare(14, 5, "vaddl", 5) == 0 ||
|
|
Name.compare(14, 5, "vsubl", 5) == 0 ||
|
|
Name.compare(14, 5, "vaddw", 5) == 0 ||
|
|
Name.compare(14, 5, "vsubw", 5) == 0 ||
|
|
Name.compare(14, 5, "vmull", 5) == 0 ||
|
|
Name.compare(14, 5, "vmlal", 5) == 0 ||
|
|
Name.compare(14, 5, "vmlsl", 5) == 0 ||
|
|
Name.compare(14, 5, "vabdl", 5) == 0 ||
|
|
Name.compare(14, 5, "vabal", 5) == 0) &&
|
|
(Name.compare(19, 2, "s.", 2) == 0 ||
|
|
Name.compare(19, 2, "u.", 2) == 0)) ||
|
|
|
|
(Name.compare(14, 4, "vaba", 4) == 0 &&
|
|
(Name.compare(18, 2, "s.", 2) == 0 ||
|
|
Name.compare(18, 2, "u.", 2) == 0)) ||
|
|
|
|
(Name.compare(14, 6, "vmovn.", 6) == 0)) {
|
|
|
|
// Calls to these are transformed into IR without intrinsics.
|
|
NewFn = 0;
|
|
return true;
|
|
}
|
|
// Old versions of NEON ld/st intrinsics are missing alignment arguments.
|
|
bool isVLd = (Name.compare(14, 3, "vld", 3) == 0);
|
|
bool isVSt = (Name.compare(14, 3, "vst", 3) == 0);
|
|
if (isVLd || isVSt) {
|
|
unsigned NumVecs = Name.at(17) - '0';
|
|
if (NumVecs == 0 || NumVecs > 4)
|
|
return false;
|
|
bool isLaneOp = (Name.compare(18, 5, "lane.", 5) == 0);
|
|
if (!isLaneOp && Name.at(18) != '.')
|
|
return false;
|
|
unsigned ExpectedArgs = 2; // for the address and alignment
|
|
if (isVSt || isLaneOp)
|
|
ExpectedArgs += NumVecs;
|
|
if (isLaneOp)
|
|
ExpectedArgs += 1; // for the lane number
|
|
unsigned NumP = FTy->getNumParams();
|
|
if (NumP != ExpectedArgs - 1)
|
|
return false;
|
|
|
|
// Change the name of the old (bad) intrinsic, because
|
|
// its type is incorrect, but we cannot overload that name.
|
|
F->setName("");
|
|
|
|
// One argument is missing: add the alignment argument.
|
|
std::vector<const Type*> NewParams;
|
|
for (unsigned p = 0; p < NumP; ++p)
|
|
NewParams.push_back(FTy->getParamType(p));
|
|
NewParams.push_back(Type::getInt32Ty(F->getContext()));
|
|
FunctionType *NewFTy = FunctionType::get(FTy->getReturnType(),
|
|
NewParams, false);
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name, NewFTy));
|
|
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
|
|
// 'llvm.bswap.i*.i*', so check for 'bswap.' and then for there being
|
|
// a '.' after 'bswap.'
|
|
if (Name.compare(5,6,"bswap.",6) == 0) {
|
|
std::string::size_type delim = Name.find('.',11);
|
|
|
|
if (delim != std::string::npos) {
|
|
// Construct the new name as 'llvm.bswap' + '.i*'
|
|
F->setName(Name.substr(0,10)+Name.substr(delim));
|
|
NewFn = F;
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'c':
|
|
// We only want to fix the 'llvm.ct*' intrinsics which do not have the
|
|
// correct return type, so we check for the name, and then check if the
|
|
// return type does not match the parameter type.
|
|
if ( (Name.compare(5,5,"ctpop",5) == 0 ||
|
|
Name.compare(5,4,"ctlz",4) == 0 ||
|
|
Name.compare(5,4,"cttz",4) == 0) &&
|
|
FTy->getReturnType() != FTy->getParamType(0)) {
|
|
// We first need to change the name of the old (bad) intrinsic, because
|
|
// its type is incorrect, but we cannot overload that name. We
|
|
// arbitrarily unique it here allowing us to construct a correctly named
|
|
// and typed function below.
|
|
F->setName("");
|
|
|
|
// Now construct the new intrinsic with the correct name and type. We
|
|
// leave the old function around in order to query its type, whatever it
|
|
// may be, and correctly convert up to the new type.
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getParamType(0),
|
|
FTy->getParamType(0),
|
|
(Type *)0));
|
|
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 'm': {
|
|
// This upgrades the llvm.memcpy, llvm.memmove, and llvm.memset to the
|
|
// new format that allows overloading the pointer for different address
|
|
// space (e.g., llvm.memcpy.i16 => llvm.memcpy.p0i8.p0i8.i16)
|
|
const char* NewFnName = NULL;
|
|
if (Name.compare(5,8,"memcpy.i",8) == 0) {
|
|
if (Name[13] == '8')
|
|
NewFnName = "llvm.memcpy.p0i8.p0i8.i8";
|
|
else if (Name.compare(13,2,"16") == 0)
|
|
NewFnName = "llvm.memcpy.p0i8.p0i8.i16";
|
|
else if (Name.compare(13,2,"32") == 0)
|
|
NewFnName = "llvm.memcpy.p0i8.p0i8.i32";
|
|
else if (Name.compare(13,2,"64") == 0)
|
|
NewFnName = "llvm.memcpy.p0i8.p0i8.i64";
|
|
} else if (Name.compare(5,9,"memmove.i",9) == 0) {
|
|
if (Name[14] == '8')
|
|
NewFnName = "llvm.memmove.p0i8.p0i8.i8";
|
|
else if (Name.compare(14,2,"16") == 0)
|
|
NewFnName = "llvm.memmove.p0i8.p0i8.i16";
|
|
else if (Name.compare(14,2,"32") == 0)
|
|
NewFnName = "llvm.memmove.p0i8.p0i8.i32";
|
|
else if (Name.compare(14,2,"64") == 0)
|
|
NewFnName = "llvm.memmove.p0i8.p0i8.i64";
|
|
}
|
|
else if (Name.compare(5,8,"memset.i",8) == 0) {
|
|
if (Name[13] == '8')
|
|
NewFnName = "llvm.memset.p0i8.i8";
|
|
else if (Name.compare(13,2,"16") == 0)
|
|
NewFnName = "llvm.memset.p0i8.i16";
|
|
else if (Name.compare(13,2,"32") == 0)
|
|
NewFnName = "llvm.memset.p0i8.i32";
|
|
else if (Name.compare(13,2,"64") == 0)
|
|
NewFnName = "llvm.memset.p0i8.i64";
|
|
}
|
|
if (NewFnName) {
|
|
NewFn = cast<Function>(M->getOrInsertFunction(NewFnName,
|
|
FTy->getReturnType(),
|
|
FTy->getParamType(0),
|
|
FTy->getParamType(1),
|
|
FTy->getParamType(2),
|
|
FTy->getParamType(3),
|
|
Type::getInt1Ty(F->getContext()),
|
|
(Type *)0));
|
|
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
|
|
// 'llvm.part.select.i*.i*', and solve as above with bswap.
|
|
if (Name.compare(5,12,"part.select.",12) == 0) {
|
|
std::string::size_type delim = Name.find('.',17);
|
|
|
|
if (delim != std::string::npos) {
|
|
// Construct a new name as 'llvm.part.select' + '.i*'
|
|
F->setName(Name.substr(0,16)+Name.substr(delim));
|
|
NewFn = F;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// This upgrades the llvm.part.set intrinsics similarly as above, however
|
|
// we care about 'llvm.part.set.i*.i*.i*', but only the first two types
|
|
// must match. There is an additional type specifier after these two
|
|
// matching types that we must retain when upgrading. Thus, we require
|
|
// finding 2 periods, not just one, after the intrinsic name.
|
|
if (Name.compare(5,9,"part.set.",9) == 0) {
|
|
std::string::size_type delim = Name.find('.',14);
|
|
|
|
if (delim != std::string::npos &&
|
|
Name.find('.',delim+1) != std::string::npos) {
|
|
// Construct a new name as 'llvm.part.select' + '.i*.i*'
|
|
F->setName(Name.substr(0,13)+Name.substr(delim));
|
|
NewFn = F;
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 'x':
|
|
// This fixes all MMX shift intrinsic instructions to take a
|
|
// x86_mmx instead of a v1i64, v2i32, v4i16, or v8i8.
|
|
if (Name.compare(5, 8, "x86.mmx.", 8) == 0) {
|
|
const Type *X86_MMXTy = VectorType::getX86_MMXTy(FTy->getContext());
|
|
|
|
if (Name.compare(13, 4, "padd", 4) == 0 ||
|
|
Name.compare(13, 4, "psub", 4) == 0 ||
|
|
Name.compare(13, 4, "pmul", 4) == 0 ||
|
|
Name.compare(13, 5, "pmadd", 5) == 0 ||
|
|
Name.compare(13, 4, "pand", 4) == 0 ||
|
|
Name.compare(13, 3, "por", 3) == 0 ||
|
|
Name.compare(13, 4, "pxor", 4) == 0 ||
|
|
Name.compare(13, 4, "pavg", 4) == 0 ||
|
|
Name.compare(13, 4, "pmax", 4) == 0 ||
|
|
Name.compare(13, 4, "pmin", 4) == 0 ||
|
|
Name.compare(13, 4, "psad", 4) == 0 ||
|
|
Name.compare(13, 4, "psll", 4) == 0 ||
|
|
Name.compare(13, 4, "psrl", 4) == 0 ||
|
|
Name.compare(13, 4, "psra", 4) == 0 ||
|
|
Name.compare(13, 4, "pack", 4) == 0 ||
|
|
Name.compare(13, 6, "punpck", 6) == 0 ||
|
|
Name.compare(13, 4, "pcmp", 4) == 0) {
|
|
assert(FTy->getNumParams() == 2 && "MMX intrinsic takes 2 args!");
|
|
const Type *SecondParamTy = X86_MMXTy;
|
|
|
|
if (Name.compare(13, 5, "pslli", 5) == 0 ||
|
|
Name.compare(13, 5, "psrli", 5) == 0 ||
|
|
Name.compare(13, 5, "psrai", 5) == 0)
|
|
SecondParamTy = FTy->getParamType(1);
|
|
|
|
// Don't do anything if it has the correct types.
|
|
if (FTy->getReturnType() == X86_MMXTy &&
|
|
FTy->getParamType(0) == X86_MMXTy &&
|
|
FTy->getParamType(1) == SecondParamTy)
|
|
break;
|
|
|
|
// We first need to change the name of the old (bad) intrinsic, because
|
|
// its type is incorrect, but we cannot overload that name. We
|
|
// arbitrarily unique it here allowing us to construct a correctly named
|
|
// and typed function below.
|
|
F->setName("");
|
|
|
|
// Now construct the new intrinsic with the correct name and type. We
|
|
// leave the old function around in order to query its type, whatever it
|
|
// may be, and correctly convert up to the new type.
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy, X86_MMXTy,
|
|
SecondParamTy, (Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 8, "maskmovq", 8) == 0) {
|
|
// Don't do anything if it has the correct types.
|
|
if (FTy->getParamType(0) == X86_MMXTy &&
|
|
FTy->getParamType(1) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getReturnType(),
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
FTy->getParamType(2),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 8, "pmovmskb", 8) == 0) {
|
|
if (FTy->getParamType(0) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getReturnType(),
|
|
X86_MMXTy,
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 5, "movnt", 5) == 0) {
|
|
if (FTy->getParamType(1) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getReturnType(),
|
|
FTy->getParamType(0),
|
|
X86_MMXTy,
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 7, "palignr", 7) == 0) {
|
|
if (FTy->getReturnType() == X86_MMXTy &&
|
|
FTy->getParamType(0) == X86_MMXTy &&
|
|
FTy->getParamType(1) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
FTy->getParamType(2),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 5, "pextr", 5) == 0) {
|
|
if (FTy->getParamType(0) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getReturnType(),
|
|
X86_MMXTy,
|
|
FTy->getParamType(1),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 5, "pinsr", 5) == 0) {
|
|
if (FTy->getReturnType() == X86_MMXTy &&
|
|
FTy->getParamType(0) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
FTy->getParamType(1),
|
|
FTy->getParamType(2),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 12, "cvtsi32.si64", 12) == 0) {
|
|
if (FTy->getReturnType() == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
FTy->getParamType(0),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 12, "cvtsi64.si32", 12) == 0) {
|
|
if (FTy->getParamType(0) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
FTy->getReturnType(),
|
|
X86_MMXTy,
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 8, "vec.init", 8) == 0) {
|
|
if (FTy->getReturnType() == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
|
|
if (Name.compare(21, 2, ".b", 2) == 0)
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
FTy->getParamType(0),
|
|
FTy->getParamType(1),
|
|
FTy->getParamType(2),
|
|
FTy->getParamType(3),
|
|
FTy->getParamType(4),
|
|
FTy->getParamType(5),
|
|
FTy->getParamType(6),
|
|
FTy->getParamType(7),
|
|
(Type*)0));
|
|
else if (Name.compare(21, 2, ".w", 2) == 0)
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
FTy->getParamType(0),
|
|
FTy->getParamType(1),
|
|
FTy->getParamType(2),
|
|
FTy->getParamType(3),
|
|
(Type*)0));
|
|
else if (Name.compare(21, 2, ".d", 2) == 0)
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
FTy->getParamType(0),
|
|
FTy->getParamType(1),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
|
|
if (Name.compare(13, 9, "vec.ext.d", 9) == 0) {
|
|
if (FTy->getReturnType() == X86_MMXTy &&
|
|
FTy->getParamType(0) == X86_MMXTy)
|
|
break;
|
|
|
|
F->setName("");
|
|
NewFn = cast<Function>(M->getOrInsertFunction(Name,
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
FTy->getParamType(1),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
if (Name.compare(13, 9, "emms", 4) == 0 ||
|
|
Name.compare(13, 9, "femms", 5) == 0) {
|
|
NewFn = 0;
|
|
break;
|
|
}
|
|
|
|
// We really shouldn't get here ever.
|
|
assert(0 && "Invalid MMX intrinsic!");
|
|
break;
|
|
} 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;
|
|
} else if (Name.compare(5, 16, "x86.sse41.pmulld", 16) == 0) {
|
|
// Calls to these intrinsics are transformed into vector multiplies.
|
|
NewFn = 0;
|
|
return true;
|
|
} else if (Name.compare(5, 18, "x86.ssse3.palign.r", 18) == 0 ||
|
|
Name.compare(5, 22, "x86.ssse3.palign.r.128", 22) == 0) {
|
|
// Calls to these intrinsics are transformed into vector shuffles, shifts,
|
|
// or 0.
|
|
NewFn = 0;
|
|
return true;
|
|
} else if (Name.compare(5, 17, "x86.ssse3.pshuf.w", 17) == 0) {
|
|
// This is an SSE/MMX instruction.
|
|
const Type *X86_MMXTy = VectorType::getX86_MMXTy(FTy->getContext());
|
|
NewFn =
|
|
cast<Function>(M->getOrInsertFunction("llvm.x86.sse.pshuf.w",
|
|
X86_MMXTy,
|
|
X86_MMXTy,
|
|
Type::getInt8Ty(F->getContext()),
|
|
(Type*)0));
|
|
return true;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// This may not belong here. This function is effectively being overloaded
|
|
// to both detect an intrinsic which needs upgrading, and to provide the
|
|
// upgraded form of the intrinsic. We should perhaps have two separate
|
|
// functions for this.
|
|
return false;
|
|
}
|
|
|
|
bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
|
|
NewFn = 0;
|
|
bool Upgraded = UpgradeIntrinsicFunction1(F, NewFn);
|
|
|
|
// Upgrade intrinsic attributes. This does not change the function.
|
|
if (NewFn)
|
|
F = NewFn;
|
|
if (unsigned id = F->getIntrinsicID())
|
|
F->setAttributes(Intrinsic::getAttributes((Intrinsic::ID)id));
|
|
return Upgraded;
|
|
}
|
|
|
|
bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) {
|
|
StringRef Name(GV->getName());
|
|
|
|
// We are only upgrading one symbol here.
|
|
if (Name == ".llvm.eh.catch.all.value") {
|
|
GV->setName("llvm.eh.catch.all.value");
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// ExtendNEONArgs - For NEON "long" and "wide" operations, where the results
|
|
/// have vector elements twice as big as one or both source operands, do the
|
|
/// sign- or zero-extension that used to be handled by intrinsics. The
|
|
/// extended values are returned via V0 and V1.
|
|
static void ExtendNEONArgs(CallInst *CI, Value *Arg0, Value *Arg1,
|
|
Value *&V0, Value *&V1) {
|
|
Function *F = CI->getCalledFunction();
|
|
const std::string& Name = F->getName();
|
|
bool isLong = (Name.at(18) == 'l');
|
|
bool isSigned = (Name.at(19) == 's');
|
|
|
|
if (isSigned) {
|
|
if (isLong)
|
|
V0 = new SExtInst(Arg0, CI->getType(), "", CI);
|
|
else
|
|
V0 = Arg0;
|
|
V1 = new SExtInst(Arg1, CI->getType(), "", CI);
|
|
} else {
|
|
if (isLong)
|
|
V0 = new ZExtInst(Arg0, CI->getType(), "", CI);
|
|
else
|
|
V0 = Arg0;
|
|
V1 = new ZExtInst(Arg1, CI->getType(), "", CI);
|
|
}
|
|
}
|
|
|
|
/// CallVABD - As part of expanding a call to one of the old NEON vabdl, vaba,
|
|
/// or vabal intrinsics, construct a call to a vabd intrinsic. Examine the
|
|
/// name of the old intrinsic to determine whether to use a signed or unsigned
|
|
/// vabd intrinsic. Get the type from the old call instruction, adjusted for
|
|
/// half-size vector elements if the old intrinsic was vabdl or vabal.
|
|
static Instruction *CallVABD(CallInst *CI, Value *Arg0, Value *Arg1) {
|
|
Function *F = CI->getCalledFunction();
|
|
const std::string& Name = F->getName();
|
|
bool isLong = (Name.at(18) == 'l');
|
|
bool isSigned = (Name.at(isLong ? 19 : 18) == 's');
|
|
|
|
Intrinsic::ID intID;
|
|
if (isSigned)
|
|
intID = Intrinsic::arm_neon_vabds;
|
|
else
|
|
intID = Intrinsic::arm_neon_vabdu;
|
|
|
|
const Type *Ty = CI->getType();
|
|
if (isLong)
|
|
Ty = VectorType::getTruncatedElementVectorType(cast<const VectorType>(Ty));
|
|
|
|
Function *VABD = Intrinsic::getDeclaration(F->getParent(), intID, &Ty, 1);
|
|
Value *Operands[2];
|
|
Operands[0] = Arg0;
|
|
Operands[1] = Arg1;
|
|
return CallInst::Create(VABD, Operands, Operands+2,
|
|
"upgraded."+CI->getName(), CI);
|
|
}
|
|
|
|
/// ConstructNewCallInst - Construct a new CallInst with the signature of NewFn.
|
|
static void ConstructNewCallInst(Function *NewFn, CallInst *OldCI,
|
|
Value **Operands, unsigned NumOps,
|
|
bool AssignName = true) {
|
|
// Construct a new CallInst.
|
|
CallInst *NewCI =
|
|
CallInst::Create(NewFn, Operands, Operands + NumOps,
|
|
AssignName ? "upgraded." + OldCI->getName() : "", OldCI);
|
|
|
|
NewCI->setTailCall(OldCI->isTailCall());
|
|
NewCI->setCallingConv(OldCI->getCallingConv());
|
|
|
|
// Handle any uses of the old CallInst. If the type has changed, add a cast.
|
|
if (!OldCI->use_empty()) {
|
|
if (OldCI->getType() != NewCI->getType()) {
|
|
Function *OldFn = OldCI->getCalledFunction();
|
|
CastInst *RetCast =
|
|
CastInst::Create(CastInst::getCastOpcode(NewCI, true,
|
|
OldFn->getReturnType(), true),
|
|
NewCI, OldFn->getReturnType(), NewCI->getName(),OldCI);
|
|
|
|
// Replace all uses of the old call with the new cast which has the
|
|
// correct type.
|
|
OldCI->replaceAllUsesWith(RetCast);
|
|
} else {
|
|
OldCI->replaceAllUsesWith(NewCI);
|
|
}
|
|
}
|
|
|
|
// Clean up the old call now that it has been completely upgraded.
|
|
OldCI->eraseFromParent();
|
|
}
|
|
|
|
// UpgradeIntrinsicCall - Upgrade a call to an old intrinsic to be a call the
|
|
// upgraded intrinsic. All argument and return casting must be provided in
|
|
// order to seamlessly integrate with existing context.
|
|
void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
|
|
Function *F = CI->getCalledFunction();
|
|
LLVMContext &C = CI->getContext();
|
|
ImmutableCallSite CS(CI);
|
|
|
|
assert(F && "CallInst has no function associated with it.");
|
|
|
|
if (!NewFn) {
|
|
// Get the Function's name.
|
|
const std::string& Name = F->getName();
|
|
|
|
// Upgrade ARM NEON intrinsics.
|
|
if (Name.compare(5, 9, "arm.neon.", 9) == 0) {
|
|
Instruction *NewI;
|
|
Value *V0, *V1;
|
|
if (Name.compare(14, 7, "vmovls.", 7) == 0) {
|
|
NewI = new SExtInst(CI->getArgOperand(0), CI->getType(),
|
|
"upgraded." + CI->getName(), CI);
|
|
} else if (Name.compare(14, 7, "vmovlu.", 7) == 0) {
|
|
NewI = new ZExtInst(CI->getArgOperand(0), CI->getType(),
|
|
"upgraded." + CI->getName(), CI);
|
|
} else if (Name.compare(14, 4, "vadd", 4) == 0) {
|
|
ExtendNEONArgs(CI, CI->getArgOperand(0), CI->getArgOperand(1), V0, V1);
|
|
NewI = BinaryOperator::CreateAdd(V0, V1, "upgraded."+CI->getName(), CI);
|
|
} else if (Name.compare(14, 4, "vsub", 4) == 0) {
|
|
ExtendNEONArgs(CI, CI->getArgOperand(0), CI->getArgOperand(1), V0, V1);
|
|
NewI = BinaryOperator::CreateSub(V0, V1,"upgraded."+CI->getName(),CI);
|
|
} else if (Name.compare(14, 4, "vmul", 4) == 0) {
|
|
ExtendNEONArgs(CI, CI->getArgOperand(0), CI->getArgOperand(1), V0, V1);
|
|
NewI = BinaryOperator::CreateMul(V0, V1,"upgraded."+CI->getName(),CI);
|
|
} else if (Name.compare(14, 4, "vmla", 4) == 0) {
|
|
ExtendNEONArgs(CI, CI->getArgOperand(1), CI->getArgOperand(2), V0, V1);
|
|
Instruction *MulI = BinaryOperator::CreateMul(V0, V1, "", CI);
|
|
NewI = BinaryOperator::CreateAdd(CI->getArgOperand(0), MulI,
|
|
"upgraded."+CI->getName(), CI);
|
|
} else if (Name.compare(14, 4, "vmls", 4) == 0) {
|
|
ExtendNEONArgs(CI, CI->getArgOperand(1), CI->getArgOperand(2), V0, V1);
|
|
Instruction *MulI = BinaryOperator::CreateMul(V0, V1, "", CI);
|
|
NewI = BinaryOperator::CreateSub(CI->getArgOperand(0), MulI,
|
|
"upgraded."+CI->getName(), CI);
|
|
} else if (Name.compare(14, 4, "vabd", 4) == 0) {
|
|
NewI = CallVABD(CI, CI->getArgOperand(0), CI->getArgOperand(1));
|
|
NewI = new ZExtInst(NewI, CI->getType(), "upgraded."+CI->getName(), CI);
|
|
} else if (Name.compare(14, 4, "vaba", 4) == 0) {
|
|
NewI = CallVABD(CI, CI->getArgOperand(1), CI->getArgOperand(2));
|
|
if (Name.at(18) == 'l')
|
|
NewI = new ZExtInst(NewI, CI->getType(), "", CI);
|
|
NewI = BinaryOperator::CreateAdd(CI->getArgOperand(0), NewI,
|
|
"upgraded."+CI->getName(), CI);
|
|
} else if (Name.compare(14, 6, "vmovn.", 6) == 0) {
|
|
NewI = new TruncInst(CI->getArgOperand(0), CI->getType(),
|
|
"upgraded." + CI->getName(), CI);
|
|
} else {
|
|
llvm_unreachable("Unknown arm.neon function for CallInst upgrade.");
|
|
}
|
|
// Replace any uses of the old CallInst.
|
|
if (!CI->use_empty())
|
|
CI->replaceAllUsesWith(NewI);
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
bool isLoadH = false, isLoadL = false, isMovL = false;
|
|
bool isMovSD = false, isShufPD = false;
|
|
bool isUnpckhPD = false, isUnpcklPD = false;
|
|
bool isPunpckhQPD = false, isPunpcklQPD = false;
|
|
if (F->getName() == "llvm.x86.sse2.loadh.pd")
|
|
isLoadH = true;
|
|
else if (F->getName() == "llvm.x86.sse2.loadl.pd")
|
|
isLoadL = true;
|
|
else if (F->getName() == "llvm.x86.sse2.movl.dq")
|
|
isMovL = true;
|
|
else if (F->getName() == "llvm.x86.sse2.movs.d")
|
|
isMovSD = true;
|
|
else if (F->getName() == "llvm.x86.sse2.shuf.pd")
|
|
isShufPD = true;
|
|
else if (F->getName() == "llvm.x86.sse2.unpckh.pd")
|
|
isUnpckhPD = true;
|
|
else if (F->getName() == "llvm.x86.sse2.unpckl.pd")
|
|
isUnpcklPD = true;
|
|
else if (F->getName() == "llvm.x86.sse2.punpckh.qdq")
|
|
isPunpckhQPD = true;
|
|
else if (F->getName() == "llvm.x86.sse2.punpckl.qdq")
|
|
isPunpcklQPD = true;
|
|
|
|
if (isLoadH || isLoadL || isMovL || isMovSD || isShufPD ||
|
|
isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
|
|
std::vector<Constant*> Idxs;
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
ShuffleVectorInst *SI = NULL;
|
|
if (isLoadH || isLoadL) {
|
|
Value *Op1 = UndefValue::get(Op0->getType());
|
|
Value *Addr = new BitCastInst(CI->getArgOperand(1),
|
|
Type::getDoublePtrTy(C),
|
|
"upgraded.", CI);
|
|
Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
|
|
Value *Idx = ConstantInt::get(Type::getInt32Ty(C), 0);
|
|
Op1 = InsertElementInst::Create(Op1, Load, Idx, "upgraded.", CI);
|
|
|
|
if (isLoadH) {
|
|
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::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::getInt32Ty(C), 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::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->getArgOperand(1);
|
|
if (isMovSD) {
|
|
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::getInt32Ty(C), 1));
|
|
Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 3));
|
|
} else {
|
|
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->getArgOperand(1);
|
|
unsigned MaskVal =
|
|
cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
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);
|
|
}
|
|
|
|
assert(SI && "Unexpected!");
|
|
|
|
// Handle any uses of the old CallInst.
|
|
if (!CI->use_empty())
|
|
// Replace all uses of the old call with the new cast which has the
|
|
// correct type.
|
|
CI->replaceAllUsesWith(SI);
|
|
|
|
// Clean up the old call now that it has been completely upgraded.
|
|
CI->eraseFromParent();
|
|
} else if (F->getName() == "llvm.x86.sse41.pmulld") {
|
|
// Upgrade this set of intrinsics into vector multiplies.
|
|
Instruction *Mul = BinaryOperator::CreateMul(CI->getArgOperand(0),
|
|
CI->getArgOperand(1),
|
|
CI->getName(),
|
|
CI);
|
|
// Fix up all the uses with our new multiply.
|
|
if (!CI->use_empty())
|
|
CI->replaceAllUsesWith(Mul);
|
|
|
|
// Remove upgraded multiply.
|
|
CI->eraseFromParent();
|
|
} else if (F->getName() == "llvm.x86.ssse3.palign.r") {
|
|
Value *Op1 = CI->getArgOperand(0);
|
|
Value *Op2 = CI->getArgOperand(1);
|
|
Value *Op3 = CI->getArgOperand(2);
|
|
unsigned shiftVal = cast<ConstantInt>(Op3)->getZExtValue();
|
|
Value *Rep;
|
|
IRBuilder<> Builder(C);
|
|
Builder.SetInsertPoint(CI->getParent(), CI);
|
|
|
|
// If palignr is shifting the pair of input vectors less than 9 bytes,
|
|
// emit a shuffle instruction.
|
|
if (shiftVal <= 8) {
|
|
const Type *IntTy = Type::getInt32Ty(C);
|
|
const Type *EltTy = Type::getInt8Ty(C);
|
|
const Type *VecTy = VectorType::get(EltTy, 8);
|
|
|
|
Op2 = Builder.CreateBitCast(Op2, VecTy);
|
|
Op1 = Builder.CreateBitCast(Op1, VecTy);
|
|
|
|
llvm::SmallVector<llvm::Constant*, 8> Indices;
|
|
for (unsigned i = 0; i != 8; ++i)
|
|
Indices.push_back(ConstantInt::get(IntTy, shiftVal + i));
|
|
|
|
Value *SV = ConstantVector::get(Indices.begin(), Indices.size());
|
|
Rep = Builder.CreateShuffleVector(Op2, Op1, SV, "palignr");
|
|
Rep = Builder.CreateBitCast(Rep, F->getReturnType());
|
|
}
|
|
|
|
// If palignr is shifting the pair of input vectors more than 8 but less
|
|
// than 16 bytes, emit a logical right shift of the destination.
|
|
else if (shiftVal < 16) {
|
|
// MMX has these as 1 x i64 vectors for some odd optimization reasons.
|
|
const Type *EltTy = Type::getInt64Ty(C);
|
|
const Type *VecTy = VectorType::get(EltTy, 1);
|
|
|
|
Op1 = Builder.CreateBitCast(Op1, VecTy, "cast");
|
|
Op2 = ConstantInt::get(VecTy, (shiftVal-8) * 8);
|
|
|
|
// create i32 constant
|
|
Function *I =
|
|
Intrinsic::getDeclaration(F->getParent(), Intrinsic::x86_mmx_psrl_q);
|
|
Rep = Builder.CreateCall2(I, Op1, Op2, "palignr");
|
|
}
|
|
|
|
// If palignr is shifting the pair of vectors more than 32 bytes, emit zero.
|
|
else {
|
|
Rep = Constant::getNullValue(F->getReturnType());
|
|
}
|
|
|
|
// Replace any uses with our new instruction.
|
|
if (!CI->use_empty())
|
|
CI->replaceAllUsesWith(Rep);
|
|
|
|
// Remove upgraded instruction.
|
|
CI->eraseFromParent();
|
|
|
|
} else if (F->getName() == "llvm.x86.ssse3.palign.r.128") {
|
|
Value *Op1 = CI->getArgOperand(0);
|
|
Value *Op2 = CI->getArgOperand(1);
|
|
Value *Op3 = CI->getArgOperand(2);
|
|
unsigned shiftVal = cast<ConstantInt>(Op3)->getZExtValue();
|
|
Value *Rep;
|
|
IRBuilder<> Builder(C);
|
|
Builder.SetInsertPoint(CI->getParent(), CI);
|
|
|
|
// If palignr is shifting the pair of input vectors less than 17 bytes,
|
|
// emit a shuffle instruction.
|
|
if (shiftVal <= 16) {
|
|
const Type *IntTy = Type::getInt32Ty(C);
|
|
const Type *EltTy = Type::getInt8Ty(C);
|
|
const Type *VecTy = VectorType::get(EltTy, 16);
|
|
|
|
Op2 = Builder.CreateBitCast(Op2, VecTy);
|
|
Op1 = Builder.CreateBitCast(Op1, VecTy);
|
|
|
|
llvm::SmallVector<llvm::Constant*, 16> Indices;
|
|
for (unsigned i = 0; i != 16; ++i)
|
|
Indices.push_back(ConstantInt::get(IntTy, shiftVal + i));
|
|
|
|
Value *SV = ConstantVector::get(Indices.begin(), Indices.size());
|
|
Rep = Builder.CreateShuffleVector(Op2, Op1, SV, "palignr");
|
|
Rep = Builder.CreateBitCast(Rep, F->getReturnType());
|
|
}
|
|
|
|
// If palignr is shifting the pair of input vectors more than 16 but less
|
|
// than 32 bytes, emit a logical right shift of the destination.
|
|
else if (shiftVal < 32) {
|
|
const Type *EltTy = Type::getInt64Ty(C);
|
|
const Type *VecTy = VectorType::get(EltTy, 2);
|
|
const Type *IntTy = Type::getInt32Ty(C);
|
|
|
|
Op1 = Builder.CreateBitCast(Op1, VecTy, "cast");
|
|
Op2 = ConstantInt::get(IntTy, (shiftVal-16) * 8);
|
|
|
|
// create i32 constant
|
|
Function *I =
|
|
Intrinsic::getDeclaration(F->getParent(), Intrinsic::x86_sse2_psrl_dq);
|
|
Rep = Builder.CreateCall2(I, Op1, Op2, "palignr");
|
|
}
|
|
|
|
// If palignr is shifting the pair of vectors more than 32 bytes, emit zero.
|
|
else {
|
|
Rep = Constant::getNullValue(F->getReturnType());
|
|
}
|
|
|
|
// Replace any uses with our new instruction.
|
|
if (!CI->use_empty())
|
|
CI->replaceAllUsesWith(Rep);
|
|
|
|
// Remove upgraded instruction.
|
|
CI->eraseFromParent();
|
|
|
|
} else {
|
|
llvm_unreachable("Unknown function for CallInst upgrade.");
|
|
}
|
|
return;
|
|
}
|
|
|
|
switch (NewFn->getIntrinsicID()) {
|
|
default: llvm_unreachable("Unknown function for CallInst upgrade.");
|
|
case Intrinsic::arm_neon_vld1:
|
|
case Intrinsic::arm_neon_vld2:
|
|
case Intrinsic::arm_neon_vld3:
|
|
case Intrinsic::arm_neon_vld4:
|
|
case Intrinsic::arm_neon_vst1:
|
|
case Intrinsic::arm_neon_vst2:
|
|
case Intrinsic::arm_neon_vst3:
|
|
case Intrinsic::arm_neon_vst4:
|
|
case Intrinsic::arm_neon_vld2lane:
|
|
case Intrinsic::arm_neon_vld3lane:
|
|
case Intrinsic::arm_neon_vld4lane:
|
|
case Intrinsic::arm_neon_vst2lane:
|
|
case Intrinsic::arm_neon_vst3lane:
|
|
case Intrinsic::arm_neon_vst4lane: {
|
|
// Add a default alignment argument of 1.
|
|
SmallVector<Value*, 8> Operands(CS.arg_begin(), CS.arg_end());
|
|
Operands.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
|
|
CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
|
|
CI->getName(), CI);
|
|
NewCI->setTailCall(CI->isTailCall());
|
|
NewCI->setCallingConv(CI->getCallingConv());
|
|
|
|
// Handle any uses of the old CallInst.
|
|
if (!CI->use_empty())
|
|
// Replace all uses of the old call with the new cast which has the
|
|
// correct type.
|
|
CI->replaceAllUsesWith(NewCI);
|
|
|
|
// Clean up the old call now that it has been completely upgraded.
|
|
CI->eraseFromParent();
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::x86_mmx_padd_b:
|
|
case Intrinsic::x86_mmx_padd_w:
|
|
case Intrinsic::x86_mmx_padd_d:
|
|
case Intrinsic::x86_mmx_padd_q:
|
|
case Intrinsic::x86_mmx_padds_b:
|
|
case Intrinsic::x86_mmx_padds_w:
|
|
case Intrinsic::x86_mmx_paddus_b:
|
|
case Intrinsic::x86_mmx_paddus_w:
|
|
case Intrinsic::x86_mmx_psub_b:
|
|
case Intrinsic::x86_mmx_psub_w:
|
|
case Intrinsic::x86_mmx_psub_d:
|
|
case Intrinsic::x86_mmx_psub_q:
|
|
case Intrinsic::x86_mmx_psubs_b:
|
|
case Intrinsic::x86_mmx_psubs_w:
|
|
case Intrinsic::x86_mmx_psubus_b:
|
|
case Intrinsic::x86_mmx_psubus_w:
|
|
case Intrinsic::x86_mmx_pmulh_w:
|
|
case Intrinsic::x86_mmx_pmull_w:
|
|
case Intrinsic::x86_mmx_pmulhu_w:
|
|
case Intrinsic::x86_mmx_pmulu_dq:
|
|
case Intrinsic::x86_mmx_pmadd_wd:
|
|
case Intrinsic::x86_mmx_pand:
|
|
case Intrinsic::x86_mmx_pandn:
|
|
case Intrinsic::x86_mmx_por:
|
|
case Intrinsic::x86_mmx_pxor:
|
|
case Intrinsic::x86_mmx_pavg_b:
|
|
case Intrinsic::x86_mmx_pavg_w:
|
|
case Intrinsic::x86_mmx_pmaxu_b:
|
|
case Intrinsic::x86_mmx_pmaxs_w:
|
|
case Intrinsic::x86_mmx_pminu_b:
|
|
case Intrinsic::x86_mmx_pmins_w:
|
|
case Intrinsic::x86_mmx_psad_bw:
|
|
case Intrinsic::x86_mmx_psll_w:
|
|
case Intrinsic::x86_mmx_psll_d:
|
|
case Intrinsic::x86_mmx_psll_q:
|
|
case Intrinsic::x86_mmx_pslli_w:
|
|
case Intrinsic::x86_mmx_pslli_d:
|
|
case Intrinsic::x86_mmx_pslli_q:
|
|
case Intrinsic::x86_mmx_psrl_w:
|
|
case Intrinsic::x86_mmx_psrl_d:
|
|
case Intrinsic::x86_mmx_psrl_q:
|
|
case Intrinsic::x86_mmx_psrli_w:
|
|
case Intrinsic::x86_mmx_psrli_d:
|
|
case Intrinsic::x86_mmx_psrli_q:
|
|
case Intrinsic::x86_mmx_psra_w:
|
|
case Intrinsic::x86_mmx_psra_d:
|
|
case Intrinsic::x86_mmx_psrai_w:
|
|
case Intrinsic::x86_mmx_psrai_d:
|
|
case Intrinsic::x86_mmx_packsswb:
|
|
case Intrinsic::x86_mmx_packssdw:
|
|
case Intrinsic::x86_mmx_packuswb:
|
|
case Intrinsic::x86_mmx_punpckhbw:
|
|
case Intrinsic::x86_mmx_punpckhwd:
|
|
case Intrinsic::x86_mmx_punpckhdq:
|
|
case Intrinsic::x86_mmx_punpcklbw:
|
|
case Intrinsic::x86_mmx_punpcklwd:
|
|
case Intrinsic::x86_mmx_punpckldq:
|
|
case Intrinsic::x86_mmx_pcmpeq_b:
|
|
case Intrinsic::x86_mmx_pcmpeq_w:
|
|
case Intrinsic::x86_mmx_pcmpeq_d:
|
|
case Intrinsic::x86_mmx_pcmpgt_b:
|
|
case Intrinsic::x86_mmx_pcmpgt_w:
|
|
case Intrinsic::x86_mmx_pcmpgt_d: {
|
|
Value *Operands[2];
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
|
|
switch (NewFn->getIntrinsicID()) {
|
|
default:
|
|
// Cast to the X86 MMX type.
|
|
Operands[1] = new BitCastInst(CI->getArgOperand(1),
|
|
NewFn->getFunctionType()->getParamType(1),
|
|
"upgraded.", CI);
|
|
break;
|
|
case Intrinsic::x86_mmx_pslli_w:
|
|
case Intrinsic::x86_mmx_pslli_d:
|
|
case Intrinsic::x86_mmx_pslli_q:
|
|
case Intrinsic::x86_mmx_psrli_w:
|
|
case Intrinsic::x86_mmx_psrli_d:
|
|
case Intrinsic::x86_mmx_psrli_q:
|
|
case Intrinsic::x86_mmx_psrai_w:
|
|
case Intrinsic::x86_mmx_psrai_d:
|
|
// These take an i32 as their second parameter.
|
|
Operands[1] = CI->getArgOperand(1);
|
|
break;
|
|
}
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 2);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_maskmovq: {
|
|
Value *Operands[3];
|
|
|
|
// Cast the operands to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
Operands[1] = new BitCastInst(CI->getArgOperand(1),
|
|
NewFn->getFunctionType()->getParamType(1),
|
|
"upgraded.", CI);
|
|
Operands[2] = CI->getArgOperand(2);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 3, false);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_pmovmskb: {
|
|
Value *Operands[1];
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 1);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_movnt_dq: {
|
|
Value *Operands[2];
|
|
|
|
Operands[0] = CI->getArgOperand(0);
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Operands[1] = new BitCastInst(CI->getArgOperand(1),
|
|
NewFn->getFunctionType()->getParamType(1),
|
|
"upgraded.", CI);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 2, false);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_palignr_b: {
|
|
Value *Operands[3];
|
|
|
|
// Cast the operands to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
Operands[1] = new BitCastInst(CI->getArgOperand(1),
|
|
NewFn->getFunctionType()->getParamType(1),
|
|
"upgraded.", CI);
|
|
Operands[2] = CI->getArgOperand(2);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 3);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_pextr_w: {
|
|
Value *Operands[2];
|
|
|
|
// Cast the operands to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
Operands[1] = CI->getArgOperand(1);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 2);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_pinsr_w: {
|
|
Value *Operands[3];
|
|
|
|
// Cast the operands to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
Operands[1] = CI->getArgOperand(1);
|
|
Operands[2] = CI->getArgOperand(2);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 3);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_sse_pshuf_w: {
|
|
IRBuilder<> Builder(C);
|
|
Builder.SetInsertPoint(CI->getParent(), CI);
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Value *Operands[2];
|
|
Operands[0] =
|
|
Builder.CreateBitCast(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.");
|
|
Operands[1] =
|
|
Builder.CreateTrunc(CI->getArgOperand(1),
|
|
Type::getInt8Ty(C),
|
|
"upgraded.");
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 2);
|
|
break;
|
|
}
|
|
|
|
#if 0
|
|
case Intrinsic::x86_mmx_cvtsi32_si64: {
|
|
// The return type needs to be changed.
|
|
Value *Operands[1];
|
|
Operands[0] = CI->getArgOperand(0);
|
|
ConstructNewCallInst(NewFn, CI, Operands, 1);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_cvtsi64_si32: {
|
|
Value *Operands[1];
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 1);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_vec_init_b:
|
|
case Intrinsic::x86_mmx_vec_init_w:
|
|
case Intrinsic::x86_mmx_vec_init_d: {
|
|
// The return type needs to be changed.
|
|
Value *Operands[8];
|
|
unsigned NumOps = 0;
|
|
|
|
switch (NewFn->getIntrinsicID()) {
|
|
default: break;
|
|
case Intrinsic::x86_mmx_vec_init_b: NumOps = 8; break;
|
|
case Intrinsic::x86_mmx_vec_init_w: NumOps = 4; break;
|
|
case Intrinsic::x86_mmx_vec_init_d: NumOps = 2; break;
|
|
}
|
|
|
|
switch (NewFn->getIntrinsicID()) {
|
|
default: break;
|
|
case Intrinsic::x86_mmx_vec_init_b:
|
|
Operands[7] = CI->getArgOperand(7);
|
|
Operands[6] = CI->getArgOperand(6);
|
|
Operands[5] = CI->getArgOperand(5);
|
|
Operands[4] = CI->getArgOperand(4);
|
|
// FALLTHRU
|
|
case Intrinsic::x86_mmx_vec_init_w:
|
|
Operands[3] = CI->getArgOperand(3);
|
|
Operands[2] = CI->getArgOperand(2);
|
|
// FALLTHRU
|
|
case Intrinsic::x86_mmx_vec_init_d:
|
|
Operands[1] = CI->getArgOperand(1);
|
|
Operands[0] = CI->getArgOperand(0);
|
|
break;
|
|
}
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, NumOps);
|
|
break;
|
|
}
|
|
case Intrinsic::x86_mmx_vec_ext_d: {
|
|
Value *Operands[2];
|
|
|
|
// Cast the operand to the X86 MMX type.
|
|
Operands[0] = new BitCastInst(CI->getArgOperand(0),
|
|
NewFn->getFunctionType()->getParamType(0),
|
|
"upgraded.", CI);
|
|
Operands[1] = CI->getArgOperand(1);
|
|
|
|
ConstructNewCallInst(NewFn, CI, Operands, 2);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
case Intrinsic::ctlz:
|
|
case Intrinsic::ctpop:
|
|
case Intrinsic::cttz: {
|
|
// Build a small vector of the original arguments.
|
|
SmallVector<Value*, 8> Operands(CS.arg_begin(), CS.arg_end());
|
|
|
|
// Construct a new CallInst
|
|
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->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::getCastOpcode(NewCI, SrcSExt,
|
|
F->getReturnType(),
|
|
DestSExt),
|
|
NewCI, F->getReturnType(),
|
|
NewCI->getName(), CI);
|
|
NewCI->moveBefore(RetCast);
|
|
|
|
// Replace all uses of the old call with the new cast which has the
|
|
// correct type.
|
|
CI->replaceAllUsesWith(RetCast);
|
|
}
|
|
|
|
// Clean up the old call now that it has been completely upgraded.
|
|
CI->eraseFromParent();
|
|
}
|
|
break;
|
|
case Intrinsic::eh_selector:
|
|
case Intrinsic::eh_typeid_for: {
|
|
// Only the return type changed.
|
|
SmallVector<Value*, 8> Operands(CS.arg_begin(), CS.arg_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;
|
|
case Intrinsic::memcpy:
|
|
case Intrinsic::memmove:
|
|
case Intrinsic::memset: {
|
|
// Add isVolatile
|
|
const llvm::Type *I1Ty = llvm::Type::getInt1Ty(CI->getContext());
|
|
Value *Operands[5] = { CI->getArgOperand(0), CI->getArgOperand(1),
|
|
CI->getArgOperand(2), CI->getArgOperand(3),
|
|
llvm::ConstantInt::get(I1Ty, 0) };
|
|
CallInst *NewCI = CallInst::Create(NewFn, Operands, Operands+5,
|
|
CI->getName(), CI);
|
|
NewCI->setTailCall(CI->isTailCall());
|
|
NewCI->setCallingConv(CI->getCallingConv());
|
|
// Handle any uses of the old CallInst.
|
|
if (!CI->use_empty())
|
|
// Replace all uses of the old call with the new cast which has the
|
|
// correct type.
|
|
CI->replaceAllUsesWith(NewCI);
|
|
|
|
// Clean up the old call now that it has been completely upgraded.
|
|
CI->eraseFromParent();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// This tests each Function to determine if it needs upgrading. When we find
|
|
// one we are interested in, we then upgrade all calls to reflect the new
|
|
// function.
|
|
void llvm::UpgradeCallsToIntrinsic(Function* F) {
|
|
assert(F && "Illegal attempt to upgrade a non-existent intrinsic.");
|
|
|
|
// Upgrade the function and check if it is a totaly new function.
|
|
Function* NewFn;
|
|
if (UpgradeIntrinsicFunction(F, NewFn)) {
|
|
if (NewFn != F) {
|
|
// Replace all uses to the old function with the new one if necessary.
|
|
for (Value::use_iterator UI = F->use_begin(), UE = F->use_end();
|
|
UI != UE; ) {
|
|
if (CallInst* CI = dyn_cast<CallInst>(*UI++))
|
|
UpgradeIntrinsicCall(CI, NewFn);
|
|
}
|
|
// Remove old function, no longer used, from the module.
|
|
F->eraseFromParent();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// This function strips all debug info intrinsics, except for llvm.dbg.declare.
|
|
/// If an llvm.dbg.declare intrinsic is invalid, then this function simply
|
|
/// strips that use.
|
|
void llvm::CheckDebugInfoIntrinsics(Module *M) {
|
|
|
|
|
|
if (Function *FuncStart = M->getFunction("llvm.dbg.func.start")) {
|
|
while (!FuncStart->use_empty()) {
|
|
CallInst *CI = cast<CallInst>(FuncStart->use_back());
|
|
CI->eraseFromParent();
|
|
}
|
|
FuncStart->eraseFromParent();
|
|
}
|
|
|
|
if (Function *StopPoint = M->getFunction("llvm.dbg.stoppoint")) {
|
|
while (!StopPoint->use_empty()) {
|
|
CallInst *CI = cast<CallInst>(StopPoint->use_back());
|
|
CI->eraseFromParent();
|
|
}
|
|
StopPoint->eraseFromParent();
|
|
}
|
|
|
|
if (Function *RegionStart = M->getFunction("llvm.dbg.region.start")) {
|
|
while (!RegionStart->use_empty()) {
|
|
CallInst *CI = cast<CallInst>(RegionStart->use_back());
|
|
CI->eraseFromParent();
|
|
}
|
|
RegionStart->eraseFromParent();
|
|
}
|
|
|
|
if (Function *RegionEnd = M->getFunction("llvm.dbg.region.end")) {
|
|
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->getArgOperand(0)) ||
|
|
!isa<MDNode>(DDI->getArgOperand(1))) {
|
|
while (!Declare->use_empty()) {
|
|
CallInst *CI = cast<CallInst>(Declare->use_back());
|
|
CI->eraseFromParent();
|
|
}
|
|
Declare->eraseFromParent();
|
|
}
|
|
}
|
|
}
|
|
}
|