#include "llvm/AutoUpgrade.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
-#include "llvm/Instructions.h"
-#include "llvm/Intrinsics.h"
+#include "llvm/IntrinsicInst.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/CallSite.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/IRBuilder.h"
#include <cstring>
using namespace llvm;
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, "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
}
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
break;
case 'x':
// This fixes all MMX shift intrinsic instructions to take a
- // v1i64 instead of a v2i32 as the second parameter.
- if (Name.compare(5,10,"x86.mmx.ps",10) == 0 &&
- (Name.compare(13,4,"psll", 4) == 0 ||
- Name.compare(13,4,"psra", 4) == 0 ||
- Name.compare(13,4,"psrl", 4) == 0) &&
- Name[17] != 'i') {
-
- const llvm::Type *VT = VectorType::get(IntegerType::get(64), 1);
-
- // We don't have to do anything if the parameter already has
- // the correct type.
- if (FTy->getParamType(1) == VT)
+ // 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 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("");
+ }
- assert(FTy->getNumParams() == 2 && "MMX shift intrinsics take 2 args!");
-
- // 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->getReturnType(),
- FTy->getParamType(0),
- VT,
- (Type *)0));
+ // 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.sse2.movl.dq",16) == 0) {
- // Calls to this intrinsic are transformed into ShuffleVector's.
+ } 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;
// Upgrade intrinsic attributes. This does not change the function.
if (NewFn)
F = NewFn;
- if (unsigned id = F->getIntrinsicID(true))
- F->setParamAttrs(Intrinsic::getParamAttrs((Intrinsic::ID)id));
+ if (unsigned id = F->getIntrinsicID())
+ F->setAttributes(Intrinsic::getAttributes((Intrinsic::ID)id));
return Upgraded;
}
+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) {
- if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0) {
+ // 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;
- Constant *Zero = ConstantInt::get(Type::Int32Ty, 0);
- Idxs.push_back(Zero);
- Idxs.push_back(Zero);
- Idxs.push_back(Zero);
- Idxs.push_back(Zero);
- Value *ZeroV = ConstantVector::get(Idxs);
-
- Idxs.clear();
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 4));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 5));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
- Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
- Value *Mask = ConstantVector::get(Idxs);
- ShuffleVectorInst *SI = new ShuffleVectorInst(ZeroV, CI->getOperand(1),
- Mask, "upgraded", CI);
+ Value *Op0 = CI->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())
// 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 {
- assert(0 && "Unknown function for CallInst upgrade.");
+ llvm_unreachable("Unknown function for CallInst upgrade.");
}
return;
}
- switch(NewFn->getIntrinsicID()) {
- default: assert(0 && "Unknown function for CallInst upgrade.");
- case Intrinsic::x86_mmx_psll_d:
- case Intrinsic::x86_mmx_psll_q:
- case Intrinsic::x86_mmx_psll_w:
- case Intrinsic::x86_mmx_psra_d:
- case Intrinsic::x86_mmx_psra_w:
- case Intrinsic::x86_mmx_psrl_d:
- case Intrinsic::x86_mmx_psrl_q:
- case Intrinsic::x86_mmx_psrl_w: {
- Value *Operands[2];
-
- Operands[0] = CI->getOperand(1);
-
- // Cast the second parameter to the correct type.
- BitCastInst *BC = new BitCastInst(CI->getOperand(2),
- NewFn->getFunctionType()->getParamType(1),
- "upgraded", CI);
- Operands[1] = BC;
-
- // Construct a new CallInst
- CallInst *NewCI = new CallInst(NewFn, Operands, Operands+2,
- "upgraded."+CI->getName(), CI);
+ 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
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;
+ }
+
case Intrinsic::ctlz:
case Intrinsic::ctpop:
- case Intrinsic::cttz:
- // Build a small vector of the 1..(N-1) operands, which are the
- // parameters.
- SmallVector<Value*, 8> Operands(CI->op_begin()+1, CI->op_end());
+ 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 = new CallInst(NewFn, Operands.begin(), Operands.end(),
- "upgraded."+CI->getName(), CI);
+ CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
+ "upgraded."+CI->getName(), CI);
NewCI->setTailCall(CI->isTailCall());
NewCI->setCallingConv(CI->getCallingConv());
// Handle any uses of the old CallInst.
if (!CI->use_empty()) {
// Check for sign extend parameter attributes on the return values.
- bool SrcSExt = NewFn->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
- bool DestSExt = F->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
+ bool SrcSExt = NewFn->getAttributes().paramHasAttr(0, Attribute::SExt);
+ bool DestSExt = F->getAttributes().paramHasAttr(0, Attribute::SExt);
// Construct an appropriate cast from the new return type to the old.
- CastInst *RetCast = CastInst::create(
+ CastInst *RetCast = CastInst::Create(
CastInst::getCastOpcode(NewCI, SrcSExt,
F->getReturnType(),
DestSExt),
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
}
}
+/// 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();
+ }
+ }
+ }
+}
projects / oota-llvm.git / blobdiff