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AutoUpgrade.cpp
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//===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements the auto-upgrade helper functions.
// This is where deprecated IR intrinsics and other IR features are updated to
// current specifications.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/AutoUpgrade.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/IR/AttributeMask.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/IntrinsicsRISCV.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#include "llvm/IR/IntrinsicsX86.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Value.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/AMDGPUAddrSpace.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Regex.h"
#include "llvm/TargetParser/Triple.h"
#include <cstdint>
#include <cstring>
#include <numeric>
using namespace llvm;
static cl::opt<bool>
DisableAutoUpgradeDebugInfo("disable-auto-upgrade-debug-info",
cl::desc("Disable autoupgrade of debug info"));
static void rename(GlobalValue *GV) { GV->setName(GV->getName() + ".old"); }
// Upgrade the declarations of the SSE4.1 ptest intrinsics whose arguments have
// changed their type from v4f32 to v2i64.
static bool upgradePTESTIntrinsic(Function *F, Intrinsic::ID IID,
Function *&NewFn) {
// Check whether this is an old version of the function, which received
// v4f32 arguments.
Type *Arg0Type = F->getFunctionType()->getParamType(0);
if (Arg0Type != FixedVectorType::get(Type::getFloatTy(F->getContext()), 4))
return false;
// Yes, it's old, replace it with new version.
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), IID);
return true;
}
// Upgrade the declarations of intrinsic functions whose 8-bit immediate mask
// arguments have changed their type from i32 to i8.
static bool upgradeX86IntrinsicsWith8BitMask(Function *F, Intrinsic::ID IID,
Function *&NewFn) {
// Check that the last argument is an i32.
Type *LastArgType = F->getFunctionType()->getParamType(
F->getFunctionType()->getNumParams() - 1);
if (!LastArgType->isIntegerTy(32))
return false;
// Move this function aside and map down.
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), IID);
return true;
}
// Upgrade the declaration of fp compare intrinsics that change return type
// from scalar to vXi1 mask.
static bool upgradeX86MaskedFPCompare(Function *F, Intrinsic::ID IID,
Function *&NewFn) {
// Check if the return type is a vector.
if (F->getReturnType()->isVectorTy())
return false;
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), IID);
return true;
}
static bool upgradeX86BF16Intrinsic(Function *F, Intrinsic::ID IID,
Function *&NewFn) {
if (F->getReturnType()->getScalarType()->isBFloatTy())
return false;
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), IID);
return true;
}
static bool upgradeX86BF16DPIntrinsic(Function *F, Intrinsic::ID IID,
Function *&NewFn) {
if (F->getFunctionType()->getParamType(1)->getScalarType()->isBFloatTy())
return false;
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), IID);
return true;
}
static bool shouldUpgradeX86Intrinsic(Function *F, StringRef Name) {
// All of the intrinsics matches below should be marked with which llvm
// version started autoupgrading them. At some point in the future we would
// like to use this information to remove upgrade code for some older
// intrinsics. It is currently undecided how we will determine that future
// point.
if (Name.consume_front("avx."))
return (Name.starts_with("blend.p") || // Added in 3.7
Name == "cvt.ps2.pd.256" || // Added in 3.9
Name == "cvtdq2.pd.256" || // Added in 3.9
Name == "cvtdq2.ps.256" || // Added in 7.0
Name.starts_with("movnt.") || // Added in 3.2
Name.starts_with("sqrt.p") || // Added in 7.0
Name.starts_with("storeu.") || // Added in 3.9
Name.starts_with("vbroadcast.s") || // Added in 3.5
Name.starts_with("vbroadcastf128") || // Added in 4.0
Name.starts_with("vextractf128.") || // Added in 3.7
Name.starts_with("vinsertf128.") || // Added in 3.7
Name.starts_with("vperm2f128.") || // Added in 6.0
Name.starts_with("vpermil.")); // Added in 3.1
if (Name.consume_front("avx2."))
return (Name == "movntdqa" || // Added in 5.0
Name.starts_with("pabs.") || // Added in 6.0
Name.starts_with("padds.") || // Added in 8.0
Name.starts_with("paddus.") || // Added in 8.0
Name.starts_with("pblendd.") || // Added in 3.7
Name == "pblendw" || // Added in 3.7
Name.starts_with("pbroadcast") || // Added in 3.8
Name.starts_with("pcmpeq.") || // Added in 3.1
Name.starts_with("pcmpgt.") || // Added in 3.1
Name.starts_with("pmax") || // Added in 3.9
Name.starts_with("pmin") || // Added in 3.9
Name.starts_with("pmovsx") || // Added in 3.9
Name.starts_with("pmovzx") || // Added in 3.9
Name == "pmul.dq" || // Added in 7.0
Name == "pmulu.dq" || // Added in 7.0
Name.starts_with("psll.dq") || // Added in 3.7
Name.starts_with("psrl.dq") || // Added in 3.7
Name.starts_with("psubs.") || // Added in 8.0
Name.starts_with("psubus.") || // Added in 8.0
Name.starts_with("vbroadcast") || // Added in 3.8
Name == "vbroadcasti128" || // Added in 3.7
Name == "vextracti128" || // Added in 3.7
Name == "vinserti128" || // Added in 3.7
Name == "vperm2i128"); // Added in 6.0
if (Name.consume_front("avx512.")) {
if (Name.consume_front("mask."))
// 'avx512.mask.*'
return (Name.starts_with("add.p") || // Added in 7.0. 128/256 in 4.0
Name.starts_with("and.") || // Added in 3.9
Name.starts_with("andn.") || // Added in 3.9
Name.starts_with("broadcast.s") || // Added in 3.9
Name.starts_with("broadcastf32x4.") || // Added in 6.0
Name.starts_with("broadcastf32x8.") || // Added in 6.0
Name.starts_with("broadcastf64x2.") || // Added in 6.0
Name.starts_with("broadcastf64x4.") || // Added in 6.0
Name.starts_with("broadcasti32x4.") || // Added in 6.0
Name.starts_with("broadcasti32x8.") || // Added in 6.0
Name.starts_with("broadcasti64x2.") || // Added in 6.0
Name.starts_with("broadcasti64x4.") || // Added in 6.0
Name.starts_with("cmp.b") || // Added in 5.0
Name.starts_with("cmp.d") || // Added in 5.0
Name.starts_with("cmp.q") || // Added in 5.0
Name.starts_with("cmp.w") || // Added in 5.0
Name.starts_with("compress.b") || // Added in 9.0
Name.starts_with("compress.d") || // Added in 9.0
Name.starts_with("compress.p") || // Added in 9.0
Name.starts_with("compress.q") || // Added in 9.0
Name.starts_with("compress.store.") || // Added in 7.0
Name.starts_with("compress.w") || // Added in 9.0
Name.starts_with("conflict.") || // Added in 9.0
Name.starts_with("cvtdq2pd.") || // Added in 4.0
Name.starts_with("cvtdq2ps.") || // Added in 7.0 updated 9.0
Name == "cvtpd2dq.256" || // Added in 7.0
Name == "cvtpd2ps.256" || // Added in 7.0
Name == "cvtps2pd.128" || // Added in 7.0
Name == "cvtps2pd.256" || // Added in 7.0
Name.starts_with("cvtqq2pd.") || // Added in 7.0 updated 9.0
Name == "cvtqq2ps.256" || // Added in 9.0
Name == "cvtqq2ps.512" || // Added in 9.0
Name == "cvttpd2dq.256" || // Added in 7.0
Name == "cvttps2dq.128" || // Added in 7.0
Name == "cvttps2dq.256" || // Added in 7.0
Name.starts_with("cvtudq2pd.") || // Added in 4.0
Name.starts_with("cvtudq2ps.") || // Added in 7.0 updated 9.0
Name.starts_with("cvtuqq2pd.") || // Added in 7.0 updated 9.0
Name == "cvtuqq2ps.256" || // Added in 9.0
Name == "cvtuqq2ps.512" || // Added in 9.0
Name.starts_with("dbpsadbw.") || // Added in 7.0
Name.starts_with("div.p") || // Added in 7.0. 128/256 in 4.0
Name.starts_with("expand.b") || // Added in 9.0
Name.starts_with("expand.d") || // Added in 9.0
Name.starts_with("expand.load.") || // Added in 7.0
Name.starts_with("expand.p") || // Added in 9.0
Name.starts_with("expand.q") || // Added in 9.0
Name.starts_with("expand.w") || // Added in 9.0
Name.starts_with("fpclass.p") || // Added in 7.0
Name.starts_with("insert") || // Added in 4.0
Name.starts_with("load.") || // Added in 3.9
Name.starts_with("loadu.") || // Added in 3.9
Name.starts_with("lzcnt.") || // Added in 5.0
Name.starts_with("max.p") || // Added in 7.0. 128/256 in 5.0
Name.starts_with("min.p") || // Added in 7.0. 128/256 in 5.0
Name.starts_with("movddup") || // Added in 3.9
Name.starts_with("move.s") || // Added in 4.0
Name.starts_with("movshdup") || // Added in 3.9
Name.starts_with("movsldup") || // Added in 3.9
Name.starts_with("mul.p") || // Added in 7.0. 128/256 in 4.0
Name.starts_with("or.") || // Added in 3.9
Name.starts_with("pabs.") || // Added in 6.0
Name.starts_with("packssdw.") || // Added in 5.0
Name.starts_with("packsswb.") || // Added in 5.0
Name.starts_with("packusdw.") || // Added in 5.0
Name.starts_with("packuswb.") || // Added in 5.0
Name.starts_with("padd.") || // Added in 4.0
Name.starts_with("padds.") || // Added in 8.0
Name.starts_with("paddus.") || // Added in 8.0
Name.starts_with("palignr.") || // Added in 3.9
Name.starts_with("pand.") || // Added in 3.9
Name.starts_with("pandn.") || // Added in 3.9
Name.starts_with("pavg") || // Added in 6.0
Name.starts_with("pbroadcast") || // Added in 6.0
Name.starts_with("pcmpeq.") || // Added in 3.9
Name.starts_with("pcmpgt.") || // Added in 3.9
Name.starts_with("perm.df.") || // Added in 3.9
Name.starts_with("perm.di.") || // Added in 3.9
Name.starts_with("permvar.") || // Added in 7.0
Name.starts_with("pmaddubs.w.") || // Added in 7.0
Name.starts_with("pmaddw.d.") || // Added in 7.0
Name.starts_with("pmax") || // Added in 4.0
Name.starts_with("pmin") || // Added in 4.0
Name == "pmov.qd.256" || // Added in 9.0
Name == "pmov.qd.512" || // Added in 9.0
Name == "pmov.wb.256" || // Added in 9.0
Name == "pmov.wb.512" || // Added in 9.0
Name.starts_with("pmovsx") || // Added in 4.0
Name.starts_with("pmovzx") || // Added in 4.0
Name.starts_with("pmul.dq.") || // Added in 4.0
Name.starts_with("pmul.hr.sw.") || // Added in 7.0
Name.starts_with("pmulh.w.") || // Added in 7.0
Name.starts_with("pmulhu.w.") || // Added in 7.0
Name.starts_with("pmull.") || // Added in 4.0
Name.starts_with("pmultishift.qb.") || // Added in 8.0
Name.starts_with("pmulu.dq.") || // Added in 4.0
Name.starts_with("por.") || // Added in 3.9
Name.starts_with("prol.") || // Added in 8.0
Name.starts_with("prolv.") || // Added in 8.0
Name.starts_with("pror.") || // Added in 8.0
Name.starts_with("prorv.") || // Added in 8.0
Name.starts_with("pshuf.b.") || // Added in 4.0
Name.starts_with("pshuf.d.") || // Added in 3.9
Name.starts_with("pshufh.w.") || // Added in 3.9
Name.starts_with("pshufl.w.") || // Added in 3.9
Name.starts_with("psll.d") || // Added in 4.0
Name.starts_with("psll.q") || // Added in 4.0
Name.starts_with("psll.w") || // Added in 4.0
Name.starts_with("pslli") || // Added in 4.0
Name.starts_with("psllv") || // Added in 4.0
Name.starts_with("psra.d") || // Added in 4.0
Name.starts_with("psra.q") || // Added in 4.0
Name.starts_with("psra.w") || // Added in 4.0
Name.starts_with("psrai") || // Added in 4.0
Name.starts_with("psrav") || // Added in 4.0
Name.starts_with("psrl.d") || // Added in 4.0
Name.starts_with("psrl.q") || // Added in 4.0
Name.starts_with("psrl.w") || // Added in 4.0
Name.starts_with("psrli") || // Added in 4.0
Name.starts_with("psrlv") || // Added in 4.0
Name.starts_with("psub.") || // Added in 4.0
Name.starts_with("psubs.") || // Added in 8.0
Name.starts_with("psubus.") || // Added in 8.0
Name.starts_with("pternlog.") || // Added in 7.0
Name.starts_with("punpckh") || // Added in 3.9
Name.starts_with("punpckl") || // Added in 3.9
Name.starts_with("pxor.") || // Added in 3.9
Name.starts_with("shuf.f") || // Added in 6.0
Name.starts_with("shuf.i") || // Added in 6.0
Name.starts_with("shuf.p") || // Added in 4.0
Name.starts_with("sqrt.p") || // Added in 7.0
Name.starts_with("store.b.") || // Added in 3.9
Name.starts_with("store.d.") || // Added in 3.9
Name.starts_with("store.p") || // Added in 3.9
Name.starts_with("store.q.") || // Added in 3.9
Name.starts_with("store.w.") || // Added in 3.9
Name == "store.ss" || // Added in 7.0
Name.starts_with("storeu.") || // Added in 3.9
Name.starts_with("sub.p") || // Added in 7.0. 128/256 in 4.0
Name.starts_with("ucmp.") || // Added in 5.0
Name.starts_with("unpckh.") || // Added in 3.9
Name.starts_with("unpckl.") || // Added in 3.9
Name.starts_with("valign.") || // Added in 4.0
Name == "vcvtph2ps.128" || // Added in 11.0
Name == "vcvtph2ps.256" || // Added in 11.0
Name.starts_with("vextract") || // Added in 4.0
Name.starts_with("vfmadd.") || // Added in 7.0
Name.starts_with("vfmaddsub.") || // Added in 7.0
Name.starts_with("vfnmadd.") || // Added in 7.0
Name.starts_with("vfnmsub.") || // Added in 7.0
Name.starts_with("vpdpbusd.") || // Added in 7.0
Name.starts_with("vpdpbusds.") || // Added in 7.0
Name.starts_with("vpdpwssd.") || // Added in 7.0
Name.starts_with("vpdpwssds.") || // Added in 7.0
Name.starts_with("vpermi2var.") || // Added in 7.0
Name.starts_with("vpermil.p") || // Added in 3.9
Name.starts_with("vpermilvar.") || // Added in 4.0
Name.starts_with("vpermt2var.") || // Added in 7.0
Name.starts_with("vpmadd52") || // Added in 7.0
Name.starts_with("vpshld.") || // Added in 7.0
Name.starts_with("vpshldv.") || // Added in 8.0
Name.starts_with("vpshrd.") || // Added in 7.0
Name.starts_with("vpshrdv.") || // Added in 8.0
Name.starts_with("vpshufbitqmb.") || // Added in 8.0
Name.starts_with("xor.")); // Added in 3.9
if (Name.consume_front("mask3."))
// 'avx512.mask3.*'
return (Name.starts_with("vfmadd.") || // Added in 7.0
Name.starts_with("vfmaddsub.") || // Added in 7.0
Name.starts_with("vfmsub.") || // Added in 7.0
Name.starts_with("vfmsubadd.") || // Added in 7.0
Name.starts_with("vfnmsub.")); // Added in 7.0
if (Name.consume_front("maskz."))
// 'avx512.maskz.*'
return (Name.starts_with("pternlog.") || // Added in 7.0
Name.starts_with("vfmadd.") || // Added in 7.0
Name.starts_with("vfmaddsub.") || // Added in 7.0
Name.starts_with("vpdpbusd.") || // Added in 7.0
Name.starts_with("vpdpbusds.") || // Added in 7.0
Name.starts_with("vpdpwssd.") || // Added in 7.0
Name.starts_with("vpdpwssds.") || // Added in 7.0
Name.starts_with("vpermt2var.") || // Added in 7.0
Name.starts_with("vpmadd52") || // Added in 7.0
Name.starts_with("vpshldv.") || // Added in 8.0
Name.starts_with("vpshrdv.")); // Added in 8.0
// 'avx512.*'
return (Name == "movntdqa" || // Added in 5.0
Name == "pmul.dq.512" || // Added in 7.0
Name == "pmulu.dq.512" || // Added in 7.0
Name.starts_with("broadcastm") || // Added in 6.0
Name.starts_with("cmp.p") || // Added in 12.0
Name.starts_with("cvtb2mask.") || // Added in 7.0
Name.starts_with("cvtd2mask.") || // Added in 7.0
Name.starts_with("cvtmask2") || // Added in 5.0
Name.starts_with("cvtq2mask.") || // Added in 7.0
Name == "cvtusi2sd" || // Added in 7.0
Name.starts_with("cvtw2mask.") || // Added in 7.0
Name == "kand.w" || // Added in 7.0
Name == "kandn.w" || // Added in 7.0
Name == "knot.w" || // Added in 7.0
Name == "kor.w" || // Added in 7.0
Name == "kortestc.w" || // Added in 7.0
Name == "kortestz.w" || // Added in 7.0
Name.starts_with("kunpck") || // added in 6.0
Name == "kxnor.w" || // Added in 7.0
Name == "kxor.w" || // Added in 7.0
Name.starts_with("padds.") || // Added in 8.0
Name.starts_with("pbroadcast") || // Added in 3.9
Name.starts_with("prol") || // Added in 8.0
Name.starts_with("pror") || // Added in 8.0
Name.starts_with("psll.dq") || // Added in 3.9
Name.starts_with("psrl.dq") || // Added in 3.9
Name.starts_with("psubs.") || // Added in 8.0
Name.starts_with("ptestm") || // Added in 6.0
Name.starts_with("ptestnm") || // Added in 6.0
Name.starts_with("storent.") || // Added in 3.9
Name.starts_with("vbroadcast.s") || // Added in 7.0
Name.starts_with("vpshld.") || // Added in 8.0
Name.starts_with("vpshrd.")); // Added in 8.0
}
if (Name.consume_front("fma."))
return (Name.starts_with("vfmadd.") || // Added in 7.0
Name.starts_with("vfmsub.") || // Added in 7.0
Name.starts_with("vfmsubadd.") || // Added in 7.0
Name.starts_with("vfnmadd.") || // Added in 7.0
Name.starts_with("vfnmsub.")); // Added in 7.0
if (Name.consume_front("fma4."))
return Name.starts_with("vfmadd.s"); // Added in 7.0
if (Name.consume_front("sse."))
return (Name == "add.ss" || // Added in 4.0
Name == "cvtsi2ss" || // Added in 7.0
Name == "cvtsi642ss" || // Added in 7.0
Name == "div.ss" || // Added in 4.0
Name == "mul.ss" || // Added in 4.0
Name.starts_with("sqrt.p") || // Added in 7.0
Name == "sqrt.ss" || // Added in 7.0
Name.starts_with("storeu.") || // Added in 3.9
Name == "sub.ss"); // Added in 4.0
if (Name.consume_front("sse2."))
return (Name == "add.sd" || // Added in 4.0
Name == "cvtdq2pd" || // Added in 3.9
Name == "cvtdq2ps" || // Added in 7.0
Name == "cvtps2pd" || // Added in 3.9
Name == "cvtsi2sd" || // Added in 7.0
Name == "cvtsi642sd" || // Added in 7.0
Name == "cvtss2sd" || // Added in 7.0
Name == "div.sd" || // Added in 4.0
Name == "mul.sd" || // Added in 4.0
Name.starts_with("padds.") || // Added in 8.0
Name.starts_with("paddus.") || // Added in 8.0
Name.starts_with("pcmpeq.") || // Added in 3.1
Name.starts_with("pcmpgt.") || // Added in 3.1
Name == "pmaxs.w" || // Added in 3.9
Name == "pmaxu.b" || // Added in 3.9
Name == "pmins.w" || // Added in 3.9
Name == "pminu.b" || // Added in 3.9
Name == "pmulu.dq" || // Added in 7.0
Name.starts_with("pshuf") || // Added in 3.9
Name.starts_with("psll.dq") || // Added in 3.7
Name.starts_with("psrl.dq") || // Added in 3.7
Name.starts_with("psubs.") || // Added in 8.0
Name.starts_with("psubus.") || // Added in 8.0
Name.starts_with("sqrt.p") || // Added in 7.0
Name == "sqrt.sd" || // Added in 7.0
Name == "storel.dq" || // Added in 3.9
Name.starts_with("storeu.") || // Added in 3.9
Name == "sub.sd"); // Added in 4.0
if (Name.consume_front("sse41."))
return (Name.starts_with("blendp") || // Added in 3.7
Name == "movntdqa" || // Added in 5.0
Name == "pblendw" || // Added in 3.7
Name == "pmaxsb" || // Added in 3.9
Name == "pmaxsd" || // Added in 3.9
Name == "pmaxud" || // Added in 3.9
Name == "pmaxuw" || // Added in 3.9
Name == "pminsb" || // Added in 3.9
Name == "pminsd" || // Added in 3.9
Name == "pminud" || // Added in 3.9
Name == "pminuw" || // Added in 3.9
Name.starts_with("pmovsx") || // Added in 3.8
Name.starts_with("pmovzx") || // Added in 3.9
Name == "pmuldq"); // Added in 7.0
if (Name.consume_front("sse42."))
return Name == "crc32.64.8"; // Added in 3.4
if (Name.consume_front("sse4a."))
return Name.starts_with("movnt."); // Added in 3.9
if (Name.consume_front("ssse3."))
return (Name == "pabs.b.128" || // Added in 6.0
Name == "pabs.d.128" || // Added in 6.0
Name == "pabs.w.128"); // Added in 6.0
if (Name.consume_front("xop."))
return (Name == "vpcmov" || // Added in 3.8
Name == "vpcmov.256" || // Added in 5.0
Name.starts_with("vpcom") || // Added in 3.2, Updated in 9.0
Name.starts_with("vprot")); // Added in 8.0
return (Name == "addcarry.u32" || // Added in 8.0
Name == "addcarry.u64" || // Added in 8.0
Name == "addcarryx.u32" || // Added in 8.0
Name == "addcarryx.u64" || // Added in 8.0
Name == "subborrow.u32" || // Added in 8.0
Name == "subborrow.u64" || // Added in 8.0
Name.starts_with("vcvtph2ps.")); // Added in 11.0
}
static bool upgradeX86IntrinsicFunction(Function *F, StringRef Name,
Function *&NewFn) {
// Only handle intrinsics that start with "x86.".
if (!Name.consume_front("x86."))
return false;
if (shouldUpgradeX86Intrinsic(F, Name)) {
NewFn = nullptr;
return true;
}
if (Name == "rdtscp") { // Added in 8.0
// If this intrinsic has 0 operands, it's the new version.
if (F->getFunctionType()->getNumParams() == 0)
return false;
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(),
Intrinsic::x86_rdtscp);
return true;
}
Intrinsic::ID ID;
// SSE4.1 ptest functions may have an old signature.
if (Name.consume_front("sse41.ptest")) { // Added in 3.2
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("c", Intrinsic::x86_sse41_ptestc)
.Case("z", Intrinsic::x86_sse41_ptestz)
.Case("nzc", Intrinsic::x86_sse41_ptestnzc)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic)
return upgradePTESTIntrinsic(F, ID, NewFn);
return false;
}
// Several blend and other instructions with masks used the wrong number of
// bits.
// Added in 3.6
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("sse41.insertps", Intrinsic::x86_sse41_insertps)
.Case("sse41.dppd", Intrinsic::x86_sse41_dppd)
.Case("sse41.dpps", Intrinsic::x86_sse41_dpps)
.Case("sse41.mpsadbw", Intrinsic::x86_sse41_mpsadbw)
.Case("avx.dp.ps.256", Intrinsic::x86_avx_dp_ps_256)
.Case("avx2.mpsadbw", Intrinsic::x86_avx2_mpsadbw)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic)
return upgradeX86IntrinsicsWith8BitMask(F, ID, NewFn);
if (Name.consume_front("avx512.mask.cmp.")) {
// Added in 7.0
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("pd.128", Intrinsic::x86_avx512_mask_cmp_pd_128)
.Case("pd.256", Intrinsic::x86_avx512_mask_cmp_pd_256)
.Case("pd.512", Intrinsic::x86_avx512_mask_cmp_pd_512)
.Case("ps.128", Intrinsic::x86_avx512_mask_cmp_ps_128)
.Case("ps.256", Intrinsic::x86_avx512_mask_cmp_ps_256)
.Case("ps.512", Intrinsic::x86_avx512_mask_cmp_ps_512)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic)
return upgradeX86MaskedFPCompare(F, ID, NewFn);
return false; // No other 'x86.avx523.mask.cmp.*'.
}
if (Name.consume_front("avx512bf16.")) {
// Added in 9.0
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("cvtne2ps2bf16.128",
Intrinsic::x86_avx512bf16_cvtne2ps2bf16_128)
.Case("cvtne2ps2bf16.256",
Intrinsic::x86_avx512bf16_cvtne2ps2bf16_256)
.Case("cvtne2ps2bf16.512",
Intrinsic::x86_avx512bf16_cvtne2ps2bf16_512)
.Case("mask.cvtneps2bf16.128",
Intrinsic::x86_avx512bf16_mask_cvtneps2bf16_128)
.Case("cvtneps2bf16.256",
Intrinsic::x86_avx512bf16_cvtneps2bf16_256)
.Case("cvtneps2bf16.512",
Intrinsic::x86_avx512bf16_cvtneps2bf16_512)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic)
return upgradeX86BF16Intrinsic(F, ID, NewFn);
// Added in 9.0
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("dpbf16ps.128", Intrinsic::x86_avx512bf16_dpbf16ps_128)
.Case("dpbf16ps.256", Intrinsic::x86_avx512bf16_dpbf16ps_256)
.Case("dpbf16ps.512", Intrinsic::x86_avx512bf16_dpbf16ps_512)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic)
return upgradeX86BF16DPIntrinsic(F, ID, NewFn);
return false; // No other 'x86.avx512bf16.*'.
}
if (Name.consume_front("xop.")) {
Intrinsic::ID ID = Intrinsic::not_intrinsic;
if (Name.starts_with("vpermil2")) { // Added in 3.9
// Upgrade any XOP PERMIL2 index operand still using a float/double
// vector.
auto Idx = F->getFunctionType()->getParamType(2);
if (Idx->isFPOrFPVectorTy()) {
unsigned IdxSize = Idx->getPrimitiveSizeInBits();
unsigned EltSize = Idx->getScalarSizeInBits();
if (EltSize == 64 && IdxSize == 128)
ID = Intrinsic::x86_xop_vpermil2pd;
else if (EltSize == 32 && IdxSize == 128)
ID = Intrinsic::x86_xop_vpermil2ps;
else if (EltSize == 64 && IdxSize == 256)
ID = Intrinsic::x86_xop_vpermil2pd_256;
else
ID = Intrinsic::x86_xop_vpermil2ps_256;
}
} else if (F->arg_size() == 2)
// frcz.ss/sd may need to have an argument dropped. Added in 3.2
ID = StringSwitch<Intrinsic::ID>(Name)
.Case("vfrcz.ss", Intrinsic::x86_xop_vfrcz_ss)
.Case("vfrcz.sd", Intrinsic::x86_xop_vfrcz_sd)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
rename(F);
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID);
return true;
}
return false; // No other 'x86.xop.*'
}
if (Name == "seh.recoverfp") {
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(),
Intrinsic::eh_recoverfp);
return true;
}
return false;
}
// Upgrade ARM (IsArm) or Aarch64 (!IsArm) intrinsic fns. Return true iff so.
// IsArm: 'arm.*', !IsArm: 'aarch64.*'.
static bool upgradeArmOrAarch64IntrinsicFunction(bool IsArm, Function *F,
StringRef Name,
Function *&NewFn) {
if (Name.starts_with("rbit")) {
// '(arm|aarch64).rbit'.
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::bitreverse, F->arg_begin()->getType());
return true;
}
if (Name == "thread.pointer") {
// '(arm|aarch64).thread.pointer'.
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(),
Intrinsic::thread_pointer);
return true;
}
bool Neon = Name.consume_front("neon.");
if (Neon) {
// '(arm|aarch64).neon.*'.
// Changed in 12.0: bfdot accept v4bf16 and v8bf16 instead of v8i8 and
// v16i8 respectively.
if (Name.consume_front("bfdot.")) {
// (arm|aarch64).neon.bfdot.*'.
Intrinsic::ID ID =
StringSwitch<Intrinsic::ID>(Name)
.Cases("v2f32.v8i8", "v4f32.v16i8",
IsArm ? (Intrinsic::ID)Intrinsic::arm_neon_bfdot
: (Intrinsic::ID)Intrinsic::aarch64_neon_bfdot)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
size_t OperandWidth = F->getReturnType()->getPrimitiveSizeInBits();
assert((OperandWidth == 64 || OperandWidth == 128) &&
"Unexpected operand width");
LLVMContext &Ctx = F->getParent()->getContext();
std::array<Type *, 2> Tys{
{F->getReturnType(),
FixedVectorType::get(Type::getBFloatTy(Ctx), OperandWidth / 16)}};
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID, Tys);
return true;
}
return false; // No other '(arm|aarch64).neon.bfdot.*'.
}
// Changed in 12.0: bfmmla, bfmlalb and bfmlalt are not polymorphic
// anymore and accept v8bf16 instead of v16i8.
if (Name.consume_front("bfm")) {
// (arm|aarch64).neon.bfm*'.
if (Name.consume_back(".v4f32.v16i8")) {
// (arm|aarch64).neon.bfm*.v4f32.v16i8'.
Intrinsic::ID ID =
StringSwitch<Intrinsic::ID>(Name)
.Case("mla",
IsArm ? (Intrinsic::ID)Intrinsic::arm_neon_bfmmla
: (Intrinsic::ID)Intrinsic::aarch64_neon_bfmmla)
.Case("lalb",
IsArm ? (Intrinsic::ID)Intrinsic::arm_neon_bfmlalb
: (Intrinsic::ID)Intrinsic::aarch64_neon_bfmlalb)
.Case("lalt",
IsArm ? (Intrinsic::ID)Intrinsic::arm_neon_bfmlalt
: (Intrinsic::ID)Intrinsic::aarch64_neon_bfmlalt)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID);
return true;
}
return false; // No other '(arm|aarch64).neon.bfm*.v16i8'.
}
return false; // No other '(arm|aarch64).neon.bfm*.
}
// Continue on to Aarch64 Neon or Arm Neon.
}
// Continue on to Arm or Aarch64.
if (IsArm) {
// 'arm.*'.
if (Neon) {
// 'arm.neon.*'.
Intrinsic::ID ID = StringSwitch<Intrinsic::ID>(Name)
.StartsWith("vclz.", Intrinsic::ctlz)
.StartsWith("vcnt.", Intrinsic::ctpop)
.StartsWith("vqadds.", Intrinsic::sadd_sat)
.StartsWith("vqaddu.", Intrinsic::uadd_sat)
.StartsWith("vqsubs.", Intrinsic::ssub_sat)
.StartsWith("vqsubu.", Intrinsic::usub_sat)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID,
F->arg_begin()->getType());
return true;
}
if (Name.consume_front("vst")) {
// 'arm.neon.vst*'.
static const Regex vstRegex("^([1234]|[234]lane)\\.v[a-z0-9]*$");
SmallVector<StringRef, 2> Groups;
if (vstRegex.match(Name, &Groups)) {
static const Intrinsic::ID StoreInts[] = {
Intrinsic::arm_neon_vst1, Intrinsic::arm_neon_vst2,
Intrinsic::arm_neon_vst3, Intrinsic::arm_neon_vst4};
static const Intrinsic::ID StoreLaneInts[] = {
Intrinsic::arm_neon_vst2lane, Intrinsic::arm_neon_vst3lane,
Intrinsic::arm_neon_vst4lane};
auto fArgs = F->getFunctionType()->params();
Type *Tys[] = {fArgs[0], fArgs[1]};
if (Groups[1].size() == 1)
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), StoreInts[fArgs.size() - 3], Tys);
else
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), StoreLaneInts[fArgs.size() - 5], Tys);
return true;
}
return false; // No other 'arm.neon.vst*'.
}
return false; // No other 'arm.neon.*'.
}
if (Name.consume_front("mve.")) {
// 'arm.mve.*'.
if (Name == "vctp64") {
if (cast<FixedVectorType>(F->getReturnType())->getNumElements() == 4) {
// A vctp64 returning a v4i1 is converted to return a v2i1. Rename
// the function and deal with it below in UpgradeIntrinsicCall.
rename(F);
return true;
}
return false; // Not 'arm.mve.vctp64'.
}
// These too are changed to accept a v2i1 instead of the old v4i1.
if (Name.consume_back(".v4i1")) {
// 'arm.mve.*.v4i1'.
if (Name.consume_back(".predicated.v2i64.v4i32"))
// 'arm.mve.*.predicated.v2i64.v4i32.v4i1'
return Name == "mull.int" || Name == "vqdmull";
if (Name.consume_back(".v2i64")) {
// 'arm.mve.*.v2i64.v4i1'
bool IsGather = Name.consume_front("vldr.gather.");
if (IsGather || Name.consume_front("vstr.scatter.")) {
if (Name.consume_front("base.")) {
// Optional 'wb.' prefix.
Name.consume_front("wb.");
// 'arm.mve.(vldr.gather|vstr.scatter).base.(wb.)?
// predicated.v2i64.v2i64.v4i1'.
return Name == "predicated.v2i64";
}
if (Name.consume_front("offset.predicated."))
return Name == (IsGather ? "v2i64.p0i64" : "p0i64.v2i64") ||
Name == (IsGather ? "v2i64.p0" : "p0.v2i64");
// No other 'arm.mve.(vldr.gather|vstr.scatter).*.v2i64.v4i1'.
return false;
}
return false; // No other 'arm.mve.*.v2i64.v4i1'.
}
return false; // No other 'arm.mve.*.v4i1'.
}
return false; // No other 'arm.mve.*'.
}
if (Name.consume_front("cde.vcx")) {
// 'arm.cde.vcx*'.
if (Name.consume_back(".predicated.v2i64.v4i1"))
// 'arm.cde.vcx*.predicated.v2i64.v4i1'.
return Name == "1q" || Name == "1qa" || Name == "2q" || Name == "2qa" ||
Name == "3q" || Name == "3qa";
return false; // No other 'arm.cde.vcx*'.
}
} else {
// 'aarch64.*'.
if (Neon) {
// 'aarch64.neon.*'.
Intrinsic::ID ID = StringSwitch<Intrinsic::ID>(Name)
.StartsWith("frintn", Intrinsic::roundeven)
.StartsWith("rbit", Intrinsic::bitreverse)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID,
F->arg_begin()->getType());
return true;
}
if (Name.starts_with("addp")) {
// 'aarch64.neon.addp*'.
if (F->arg_size() != 2)
return false; // Invalid IR.
VectorType *Ty = dyn_cast<VectorType>(F->getReturnType());
if (Ty && Ty->getElementType()->isFloatingPointTy()) {
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::aarch64_neon_faddp, Ty);
return true;
}
}
// Changed in 20.0: bfcvt/bfcvtn/bcvtn2 have been replaced with fptrunc.
if (Name.starts_with("bfcvt")) {
NewFn = nullptr;
return true;
}
return false; // No other 'aarch64.neon.*'.
}
if (Name.consume_front("sve.")) {
// 'aarch64.sve.*'.
if (Name.consume_front("bf")) {
if (Name.consume_back(".lane")) {
// 'aarch64.sve.bf*.lane'.
Intrinsic::ID ID =
StringSwitch<Intrinsic::ID>(Name)
.Case("dot", Intrinsic::aarch64_sve_bfdot_lane_v2)
.Case("mlalb", Intrinsic::aarch64_sve_bfmlalb_lane_v2)
.Case("mlalt", Intrinsic::aarch64_sve_bfmlalt_lane_v2)
.Default(Intrinsic::not_intrinsic);
if (ID != Intrinsic::not_intrinsic) {
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(), ID);
return true;
}
return false; // No other 'aarch64.sve.bf*.lane'.
}
return false; // No other 'aarch64.sve.bf*'.
}
// 'aarch64.sve.fcvt.bf16f32' || 'aarch64.sve.fcvtnt.bf16f32'
if (Name == "fcvt.bf16f32" || Name == "fcvtnt.bf16f32") {
NewFn = nullptr;
return true;
}
if (Name.consume_front("addqv")) {
// 'aarch64.sve.addqv'.
if (!F->getReturnType()->isFPOrFPVectorTy())
return false;
auto Args = F->getFunctionType()->params();
Type *Tys[] = {F->getReturnType(), Args[1]};
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::aarch64_sve_faddqv, Tys);
return true;
}
if (Name.consume_front("ld")) {
// 'aarch64.sve.ld*'.
static const Regex LdRegex("^[234](.nxv[a-z0-9]+|$)");
if (LdRegex.match(Name)) {
Type *ScalarTy =
cast<VectorType>(F->getReturnType())->getElementType();
ElementCount EC =
cast<VectorType>(F->arg_begin()->getType())->getElementCount();
Type *Ty = VectorType::get(ScalarTy, EC);
static const Intrinsic::ID LoadIDs[] = {
Intrinsic::aarch64_sve_ld2_sret,
Intrinsic::aarch64_sve_ld3_sret,
Intrinsic::aarch64_sve_ld4_sret,
};
NewFn = Intrinsic::getOrInsertDeclaration(F->getParent(),
LoadIDs[Name[0] - '2'], Ty);
return true;
}
return false; // No other 'aarch64.sve.ld*'.
}
if (Name.consume_front("tuple.")) {
// 'aarch64.sve.tuple.*'.
if (Name.starts_with("get")) {
// 'aarch64.sve.tuple.get*'.
Type *Tys[] = {F->getReturnType(), F->arg_begin()->getType()};
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::vector_extract, Tys);
return true;
}
if (Name.starts_with("set")) {
// 'aarch64.sve.tuple.set*'.
auto Args = F->getFunctionType()->params();
Type *Tys[] = {Args[0], Args[2], Args[1]};
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::vector_insert, Tys);
return true;
}
static const Regex CreateTupleRegex("^create[234](.nxv[a-z0-9]+|$)");
if (CreateTupleRegex.match(Name)) {
// 'aarch64.sve.tuple.create*'.
auto Args = F->getFunctionType()->params();
Type *Tys[] = {F->getReturnType(), Args[1]};
NewFn = Intrinsic::getOrInsertDeclaration(
F->getParent(), Intrinsic::vector_insert, Tys);
return true;
}
return false; // No other 'aarch64.sve.tuple.*'.
}
return false; // No other 'aarch64.sve.*'.
}
}
return false; // No other 'arm.*', 'aarch64.*'.
}
static Intrinsic::ID shouldUpgradeNVPTXBF16Intrinsic(StringRef Name) {
if (Name.consume_front("abs."))
return StringSwitch<Intrinsic::ID>(Name)
.Case("bf16", Intrinsic::nvvm_abs_bf16)
.Case("bf16x2", Intrinsic::nvvm_abs_bf16x2)
.Default(Intrinsic::not_intrinsic);
if (Name.consume_front("fma.rn."))
return StringSwitch<Intrinsic::ID>(Name)
.Case("bf16", Intrinsic::nvvm_fma_rn_bf16)
.Case("bf16x2", Intrinsic::nvvm_fma_rn_bf16x2)
.Case("ftz.bf16", Intrinsic::nvvm_fma_rn_ftz_bf16)
.Case("ftz.bf16x2", Intrinsic::nvvm_fma_rn_ftz_bf16x2)
.Case("ftz.relu.bf16", Intrinsic::nvvm_fma_rn_ftz_relu_bf16)
.Case("ftz.relu.bf16x2", Intrinsic::nvvm_fma_rn_ftz_relu_bf16x2)
.Case("ftz.sat.bf16", Intrinsic::nvvm_fma_rn_ftz_sat_bf16)
.Case("ftz.sat.bf16x2", Intrinsic::nvvm_fma_rn_ftz_sat_bf16x2)
.Case("relu.bf16", Intrinsic::nvvm_fma_rn_relu_bf16)
.Case("relu.bf16x2", Intrinsic::nvvm_fma_rn_relu_bf16x2)
.Case("sat.bf16", Intrinsic::nvvm_fma_rn_sat_bf16)
.Case("sat.bf16x2", Intrinsic::nvvm_fma_rn_sat_bf16x2)
.Default(Intrinsic::not_intrinsic);
if (Name.consume_front("fmax."))
return StringSwitch<Intrinsic::ID>(Name)
.Case("bf16", Intrinsic::nvvm_fmax_bf16)
.Case("bf16x2", Intrinsic::nvvm_fmax_bf16x2)
.Case("ftz.bf16", Intrinsic::nvvm_fmax_ftz_bf16)
.Case("ftz.bf16x2", Intrinsic::nvvm_fmax_ftz_bf16x2)
.Case("ftz.nan.bf16", Intrinsic::nvvm_fmax_ftz_nan_bf16)
.Case("ftz.nan.bf16x2", Intrinsic::nvvm_fmax_ftz_nan_bf16x2)
.Case("ftz.nan.xorsign.abs.bf16",
Intrinsic::nvvm_fmax_ftz_nan_xorsign_abs_bf16)
.Case("ftz.nan.xorsign.abs.bf16x2",
Intrinsic::nvvm_fmax_ftz_nan_xorsign_abs_bf16x2)
.Case("ftz.xorsign.abs.bf16", Intrinsic::nvvm_fmax_ftz_xorsign_abs_bf16)
.Case("ftz.xorsign.abs.bf16x2",
Intrinsic::nvvm_fmax_ftz_xorsign_abs_bf16x2)
.Case("nan.bf16", Intrinsic::nvvm_fmax_nan_bf16)
.Case("nan.bf16x2", Intrinsic::nvvm_fmax_nan_bf16x2)
.Case("nan.xorsign.abs.bf16", Intrinsic::nvvm_fmax_nan_xorsign_abs_bf16)
.Case("nan.xorsign.abs.bf16x2",
Intrinsic::nvvm_fmax_nan_xorsign_abs_bf16x2)
.Case("xorsign.abs.bf16", Intrinsic::nvvm_fmax_xorsign_abs_bf16)
.Case("xorsign.abs.bf16x2", Intrinsic::nvvm_fmax_xorsign_abs_bf16x2)
.Default(Intrinsic::not_intrinsic);
if (Name.consume_front("fmin."))
return StringSwitch<Intrinsic::ID>(Name)
.Case("bf16", Intrinsic::nvvm_fmin_bf16)
.Case("bf16x2", Intrinsic::nvvm_fmin_bf16x2)
.Case("ftz.bf16", Intrinsic::nvvm_fmin_ftz_bf16)
.Case("ftz.bf16x2", Intrinsic::nvvm_fmin_ftz_bf16x2)
.Case("ftz.nan.bf16", Intrinsic::nvvm_fmin_ftz_nan_bf16)
.Case("ftz.nan.bf16x2", Intrinsic::nvvm_fmin_ftz_nan_bf16x2)
.Case("ftz.nan.xorsign.abs.bf16",
Intrinsic::nvvm_fmin_ftz_nan_xorsign_abs_bf16)
.Case("ftz.nan.xorsign.abs.bf16x2",
Intrinsic::nvvm_fmin_ftz_nan_xorsign_abs_bf16x2)
.Case("ftz.xorsign.abs.bf16", Intrinsic::nvvm_fmin_ftz_xorsign_abs_bf16)