| //===-- 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); |
| 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); |
| 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(); |
| } |
| } |
| } |
| } |
