#include "llvm/IR/GlobalVariable.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetLibraryInfo.h"
+#include "MipsCCState.h"
#include "MipsRegisterInfo.h"
#include "MipsISelLowering.h"
#include "MipsMachineFunction.h"
// Convenience variables to avoid some queries.
LLVMContext *Context;
+ bool fastLowerCall(CallLoweringInfo &CLI) override;
+
bool TargetSupported;
bool UnsupportedFPMode; // To allow fast-isel to proceed and just not handle
// floating point but not reject doing fast-isel in other
bool selectIntExt(const Instruction *I);
// Utility helper routines.
-
bool isTypeLegal(Type *Ty, MVT &VT);
bool isLoadTypeLegal(Type *Ty, MVT &VT);
bool computeAddress(const Value *Obj, Address &Addr);
+ bool computeCallAddress(const Value *V, Address &Addr);
// Emit helper routines.
bool emitCmp(unsigned DestReg, const CmpInst *CI);
bool emitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
unsigned Alignment = 0);
+ bool emitStore(MVT VT, unsigned SrcReg, Address Addr,
+ MachineMemOperand *MMO = nullptr);
bool emitStore(MVT VT, unsigned SrcReg, Address &Addr,
unsigned Alignment = 0);
+ unsigned emitIntExt(MVT SrcVT, unsigned SrcReg, MVT DestVT, bool isZExt);
bool emitIntExt(MVT SrcVT, unsigned SrcReg, MVT DestVT, unsigned DestReg,
bool IsZExt);
return 0;
}
+ // Call handling routines.
+private:
+ CCAssignFn *CCAssignFnForCall(CallingConv::ID CC) const;
+ bool processCallArgs(CallLoweringInfo &CLI, SmallVectorImpl<MVT> &ArgVTs,
+ unsigned &NumBytes);
+ bool finishCall(CallLoweringInfo &CLI, MVT RetVT, unsigned NumBytes);
+
public:
// Backend specific FastISel code.
-
explicit MipsFastISel(FunctionLoweringInfo &funcInfo,
const TargetLibraryInfo *libInfo)
: FastISel(funcInfo, libInfo),
};
} // end anonymous namespace.
+static bool CC_Mips(unsigned ValNo, MVT ValVT, MVT LocVT,
+ CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+ CCState &State) __attribute__((unused));
+
+static bool CC_MipsO32_FP32(unsigned ValNo, MVT ValVT, MVT LocVT,
+ CCValAssign::LocInfo LocInfo,
+ ISD::ArgFlagsTy ArgFlags, CCState &State) {
+ llvm_unreachable("should not be called");
+}
+
+bool CC_MipsO32_FP64(unsigned ValNo, MVT ValVT, MVT LocVT,
+ CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
+ CCState &State) {
+ llvm_unreachable("should not be called");
+}
+
+#include "MipsGenCallingConv.inc"
+
+CCAssignFn *MipsFastISel::CCAssignFnForCall(CallingConv::ID CC) const {
+ return CC_MipsO32;
+}
+
unsigned MipsFastISel::materializeInt(const Constant *C, MVT VT) {
if (VT != MVT::i32 && VT != MVT::i16 && VT != MVT::i8 && VT != MVT::i1)
return 0;
return Addr.getReg() != 0;
}
+bool MipsFastISel::computeCallAddress(const Value *V, Address &Addr) {
+ const GlobalValue *GV = dyn_cast<GlobalValue>(V);
+ if (GV && isa<Function>(GV) && dyn_cast<Function>(GV)->isIntrinsic())
+ return false;
+ if (!GV)
+ return false;
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
+ Addr.setGlobalValue(GV);
+ return true;
+ }
+ return false;
+}
+
bool MipsFastISel::isTypeLegal(Type *Ty, MVT &VT) {
EVT evt = TLI.getValueType(Ty, true);
// Only handle simple types.
return true;
}
//
+bool MipsFastISel::processCallArgs(CallLoweringInfo &CLI,
+ SmallVectorImpl<MVT> &OutVTs,
+ unsigned &NumBytes) {
+ CallingConv::ID CC = CLI.CallConv;
+ SmallVector<CCValAssign, 16> ArgLocs;
+ CCState CCInfo(CC, false, *FuncInfo.MF, ArgLocs, *Context);
+ CCInfo.AnalyzeCallOperands(OutVTs, CLI.OutFlags, CCAssignFnForCall(CC));
+ // Get a count of how many bytes are to be pushed on the stack.
+ NumBytes = CCInfo.getNextStackOffset();
+ // This is the minimum argument area used for A0-A3.
+ if (NumBytes < 16)
+ NumBytes = 16;
+
+ emitInst(Mips::ADJCALLSTACKDOWN).addImm(16);
+ // Process the args.
+ MVT firstMVT;
+ for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
+ CCValAssign &VA = ArgLocs[i];
+ const Value *ArgVal = CLI.OutVals[VA.getValNo()];
+ MVT ArgVT = OutVTs[VA.getValNo()];
+
+ if (i == 0) {
+ firstMVT = ArgVT;
+ if (ArgVT == MVT::f32) {
+ VA.convertToReg(Mips::F12);
+ } else if (ArgVT == MVT::f64) {
+ VA.convertToReg(Mips::D6);
+ }
+ } else if (i == 1) {
+ if ((firstMVT == MVT::f32) || (firstMVT == MVT::f64)) {
+ if (ArgVT == MVT::f32) {
+ VA.convertToReg(Mips::F14);
+ } else if (ArgVT == MVT::f64) {
+ VA.convertToReg(Mips::D7);
+ }
+ }
+ }
+ if (((ArgVT == MVT::i32) || (ArgVT == MVT::f32)) && VA.isMemLoc()) {
+ switch (VA.getLocMemOffset()) {
+ case 0:
+ VA.convertToReg(Mips::A0);
+ break;
+ case 4:
+ VA.convertToReg(Mips::A1);
+ break;
+ case 8:
+ VA.convertToReg(Mips::A2);
+ break;
+ case 12:
+ VA.convertToReg(Mips::A3);
+ break;
+ default:
+ break;
+ }
+ }
+ unsigned ArgReg = getRegForValue(ArgVal);
+ if (!ArgReg)
+ return false;
+
+ // Handle arg promotion: SExt, ZExt, AExt.
+ switch (VA.getLocInfo()) {
+ case CCValAssign::Full:
+ break;
+ case CCValAssign::AExt:
+ case CCValAssign::SExt: {
+ MVT DestVT = VA.getLocVT();
+ MVT SrcVT = ArgVT;
+ ArgReg = emitIntExt(SrcVT, ArgReg, DestVT, /*isZExt=*/false);
+ if (!ArgReg)
+ return false;
+ break;
+ }
+ case CCValAssign::ZExt: {
+ MVT DestVT = VA.getLocVT();
+ MVT SrcVT = ArgVT;
+ ArgReg = emitIntExt(SrcVT, ArgReg, DestVT, /*isZExt=*/true);
+ if (!ArgReg)
+ return false;
+ break;
+ }
+ default:
+ llvm_unreachable("Unknown arg promotion!");
+ }
+
+ // Now copy/store arg to correct locations.
+ if (VA.isRegLoc() && !VA.needsCustom()) {
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
+ TII.get(TargetOpcode::COPY), VA.getLocReg()).addReg(ArgReg);
+ CLI.OutRegs.push_back(VA.getLocReg());
+ } else if (VA.needsCustom()) {
+ llvm_unreachable("Mips does not use custom args.");
+ return false;
+ } else {
+ //
+ // FIXME: This path will currently return false. It was copied
+ // from the AArch64 port and should be essentially fine for Mips too.
+ // The work to finish up this path will be done in a follow-on patch.
+ //
+ assert(VA.isMemLoc() && "Assuming store on stack.");
+ // Don't emit stores for undef values.
+ if (isa<UndefValue>(ArgVal))
+ continue;
+
+ // Need to store on the stack.
+ // FIXME: This alignment is incorrect but this path is disabled
+ // for now (will return false). We need to determine the right alignment
+ // based on the normal alignment for the underlying machine type.
+ //
+ unsigned ArgSize = RoundUpToAlignment(ArgVT.getSizeInBits(), 4);
+
+ unsigned BEAlign = 0;
+ if (ArgSize < 8 && !Subtarget->isLittle())
+ BEAlign = 8 - ArgSize;
+
+ Address Addr;
+ Addr.setKind(Address::RegBase);
+ Addr.setReg(Mips::SP);
+ Addr.setOffset(VA.getLocMemOffset() + BEAlign);
+
+ unsigned Alignment = DL.getABITypeAlignment(ArgVal->getType());
+ MachineMemOperand *MMO = FuncInfo.MF->getMachineMemOperand(
+ MachinePointerInfo::getStack(Addr.getOffset()),
+ MachineMemOperand::MOStore, ArgVT.getStoreSize(), Alignment);
+ (void)(MMO);
+ // if (!emitStore(ArgVT, ArgReg, Addr, MMO))
+ return false; // can't store on the stack yet.
+ }
+ }
+
+ return true;
+}
+
+bool MipsFastISel::finishCall(CallLoweringInfo &CLI, MVT RetVT,
+ unsigned NumBytes) {
+ CallingConv::ID CC = CLI.CallConv;
+ emitInst(Mips::ADJCALLSTACKUP).addImm(16);
+ if (RetVT != MVT::isVoid) {
+ SmallVector<CCValAssign, 16> RVLocs;
+ CCState CCInfo(CC, false, *FuncInfo.MF, RVLocs, *Context);
+ CCInfo.AnalyzeCallResult(RetVT, RetCC_Mips);
+
+ // Only handle a single return value.
+ if (RVLocs.size() != 1)
+ return false;
+ // Copy all of the result registers out of their specified physreg.
+ MVT CopyVT = RVLocs[0].getValVT();
+ // Special handling for extended integers.
+ if (RetVT == MVT::i1 || RetVT == MVT::i8 || RetVT == MVT::i16)
+ CopyVT = MVT::i32;
+
+ unsigned ResultReg = createResultReg(TLI.getRegClassFor(CopyVT));
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
+ TII.get(TargetOpcode::COPY),
+ ResultReg).addReg(RVLocs[0].getLocReg());
+ CLI.InRegs.push_back(RVLocs[0].getLocReg());
+
+ CLI.ResultReg = ResultReg;
+ CLI.NumResultRegs = 1;
+ }
+ return true;
+}
+
+bool MipsFastISel::fastLowerCall(CallLoweringInfo &CLI) {
+ CallingConv::ID CC = CLI.CallConv;
+ bool IsTailCall = CLI.IsTailCall;
+ bool IsVarArg = CLI.IsVarArg;
+ const Value *Callee = CLI.Callee;
+ // const char *SymName = CLI.SymName;
+
+ // Allow SelectionDAG isel to handle tail calls.
+ if (IsTailCall)
+ return false;
+
+ // Let SDISel handle vararg functions.
+ if (IsVarArg)
+ return false;
+
+ // FIXME: Only handle *simple* calls for now.
+ MVT RetVT;
+ if (CLI.RetTy->isVoidTy())
+ RetVT = MVT::isVoid;
+ else if (!isTypeLegal(CLI.RetTy, RetVT))
+ return false;
+
+ for (auto Flag : CLI.OutFlags)
+ if (Flag.isInReg() || Flag.isSRet() || Flag.isNest() || Flag.isByVal())
+ return false;
+
+ // Set up the argument vectors.
+ SmallVector<MVT, 16> OutVTs;
+ OutVTs.reserve(CLI.OutVals.size());
+
+ for (auto *Val : CLI.OutVals) {
+ MVT VT;
+ if (!isTypeLegal(Val->getType(), VT) &&
+ !(VT == MVT::i1 || VT == MVT::i8 || VT == MVT::i16))
+ return false;
+
+ // We don't handle vector parameters yet.
+ if (VT.isVector() || VT.getSizeInBits() > 64)
+ return false;
+
+ OutVTs.push_back(VT);
+ }
+
+ Address Addr;
+ if (!computeCallAddress(Callee, Addr))
+ return false;
+
+ // Handle the arguments now that we've gotten them.
+ unsigned NumBytes;
+ if (!processCallArgs(CLI, OutVTs, NumBytes))
+ return false;
+
+ // Issue the call.
+ unsigned DestAddress = materializeGV(Addr.getGlobalValue(), MVT::i32);
+ emitInst(TargetOpcode::COPY, Mips::T9).addReg(DestAddress);
+ MachineInstrBuilder MIB =
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Mips::JALR),
+ Mips::RA).addReg(Mips::T9);
+
+ // Add implicit physical register uses to the call.
+ for (auto Reg : CLI.OutRegs)
+ MIB.addReg(Reg, RegState::Implicit);
+
+ // Add a register mask with the call-preserved registers.
+ // Proper defs for return values will be added by setPhysRegsDeadExcept().
+ MIB.addRegMask(TRI.getCallPreservedMask(CC));
+
+ CLI.Call = MIB;
+
+ // Add implicit physical register uses to the call.
+ for (auto Reg : CLI.OutRegs)
+ MIB.addReg(Reg, RegState::Implicit);
+
+ // Add a register mask with the call-preserved registers. Proper
+ // defs for return values will be added by setPhysRegsDeadExcept().
+ MIB.addRegMask(TRI.getCallPreservedMask(CC));
+
+ CLI.Call = MIB;
+ // Finish off the call including any return values.
+ return finishCall(CLI, RetVT, NumBytes);
+}
+
bool MipsFastISel::selectRet(const Instruction *I) {
const ReturnInst *Ret = cast<ReturnInst>(I);
break;
case MVT::i16:
emitInst(Mips::ANDi, DestReg).addReg(SrcReg).addImm(0xffff);
+ break;
}
return true;
}
return emitIntZExt(SrcVT, SrcReg, DestVT, DestReg);
return emitIntSExt(SrcVT, SrcReg, DestVT, DestReg);
}
+
+unsigned MipsFastISel::emitIntExt(MVT SrcVT, unsigned SrcReg, MVT DestVT,
+ bool isZExt) {
+ unsigned DestReg = createResultReg(&Mips::GPR32RegClass);
+ return emitIntExt(SrcVT, SrcReg, DestVT, DestReg, isZExt);
+}
+
bool MipsFastISel::fastSelectInstruction(const Instruction *I) {
if (!TargetSupported)
return false;
--- /dev/null
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32r2 \
+; RUN: < %s | FileCheck %s
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32 \
+; RUN: < %s | FileCheck %s
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32r2 \
+; RUN: < %s | FileCheck %s -check-prefix=mips32r2
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32 \
+; RUN: < %s | FileCheck %s -check-prefix=mips32
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32r2 \
+; RUN: < %s | FileCheck %s -check-prefix=CHECK2
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32 \
+; RUN: < %s | FileCheck %s -check-prefix=CHECK2
+
+
+@c1 = global i8 -45, align 1
+@uc1 = global i8 27, align 1
+@s1 = global i16 -1789, align 2
+@us1 = global i16 1256, align 2
+
+; Function Attrs: nounwind
+define void @cxi() #0 {
+entry:
+; CHECK-LABEL: cxi
+ call void @xi(i32 10)
+; CHECK-DAG: addiu $4, $zero, 10
+; CHECK-DAG: lw $25, %got(xi)(${{[0-9]+}})
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xi(i32) #1
+
+; Function Attrs: nounwind
+define void @cxii() #0 {
+entry:
+; CHECK-LABEL: cxii
+ call void @xii(i32 746, i32 892)
+; CHECK-DAG: addiu $4, $zero, 746
+; CHECK-DAG: addiu $5, $zero, 892
+; CHECK-DAG: lw $25, %got(xii)(${{[0-9]+}})
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xii(i32, i32) #1
+
+; Function Attrs: nounwind
+define void @cxiii() #0 {
+entry:
+; CHECK-LABEL: cxiii
+ call void @xiii(i32 88, i32 44, i32 11)
+; CHECK-DAG: addiu $4, $zero, 88
+; CHECK-DAG: addiu $5, $zero, 44
+; CHECK-DAG: addiu $6, $zero, 11
+; CHECK-DAG: lw $25, %got(xiii)(${{[0-9]+}})
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xiii(i32, i32, i32) #1
+
+; Function Attrs: nounwind
+define void @cxiiii() #0 {
+entry:
+; CHECK-LABEL: cxiiii
+ call void @xiiii(i32 167, i32 320, i32 97, i32 14)
+; CHECK-DAG: addiu $4, $zero, 167
+; CHECK-DAG: addiu $5, $zero, 320
+; CHECK-DAG: addiu $6, $zero, 97
+; CHECK-DAG: addiu $7, $zero, 14
+; CHECK-DAG: lw $25, %got(xiiii)(${{[0-9]+}})
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xiiii(i32, i32, i32, i32) #1
+
+; Function Attrs: nounwind
+define void @cxiiiiconv() #0 {
+entry:
+; CHECK-LABEL: cxiiiiconv
+; mips32r2-LABEL: cxiiiiconv
+; mips32-LABEL: cxiiiiconv
+ %0 = load i8* @c1, align 1
+ %conv = sext i8 %0 to i32
+ %1 = load i8* @uc1, align 1
+ %conv1 = zext i8 %1 to i32
+ %2 = load i16* @s1, align 2
+ %conv2 = sext i16 %2 to i32
+ %3 = load i16* @us1, align 2
+ %conv3 = zext i16 %3 to i32
+ call void @xiiii(i32 %conv, i32 %conv1, i32 %conv2, i32 %conv3)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32r2: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32r2-DAG: lw $[[REG_C1_ADDR:[0-9]+]], %got(c1)($[[REG_GP]])
+; mips32r2-DAG: lbu $[[REG_C1:[0-9]+]], 0($[[REG_C1_ADDR]])
+; mips32r2-DAG seb $3, $[[REG_C1]]
+; mips32-DAG: lw $[[REG_C1_ADDR:[0-9]+]], %got(c1)($[[REG_GP]])
+; mips32-DAG: lbu $[[REG_C1:[0-9]+]], 0($[[REG_C1_ADDR]])
+; mips32-DAG: sll $[[REG_C1_1:[0-9]+]], $[[REG_C1]], 24
+; mips32-DAG: sra $4, $[[REG_C1_1]], 24
+; CHECK-DAG: lw $[[REG_UC1_ADDR:[0-9]+]], %got(uc1)($[[REG_GP]])
+; CHECK-DAG: lbu $[[REG_UC1:[0-9]+]], 0($[[REG_UC1_ADDR]])
+; FIXME andi is superfulous
+; CHECK-DAG: andi $5, $[[REG_UC1]], 255
+; mips32r2-DAG: lw $[[REG_S1_ADDR:[0-9]+]], %got(s1)($[[REG_GP]])
+; mips32r2-DAG: lhu $[[REG_S1:[0-9]+]], 0($[[REG_S1_ADDR]])
+; mips32r2-DAG: seh $6, $[[REG_S1]]
+; mips32-DAG: lw $[[REG_S1_ADDR:[0-9]+]], %got(s1)($[[REG_GP]])
+; mips32-DAG: lhu $[[REG_S1:[0-9]+]], 0($[[REG_S1_ADDR]])
+; mips32-DAG: sll $[[REG_S1_1:[0-9]+]], $[[REG_S1]], 16
+; mips32-DAG: sra $6, $[[REG_S1_1]], 16
+; CHECK-DAG: lw $[[REG_US1_ADDR:[0-9]+]], %got(us1)($[[REG_GP]])
+; CHECK-DAG: lhu $[[REG_US1:[0-9]+]], 0($[[REG_US1_ADDR]])
+; FIXME andi is superfulous
+; CHECK-DAG: andi $7, $[[REG_US1]], 65535
+; mips32r2: jalr $25
+; mips32r2: jalr $25
+; CHECK: jalr $25
+ ret void
+}
+
+; Function Attrs: nounwind
+define void @cxf() #0 {
+entry:
+; CHECK-LABEL: cxf
+ call void @xf(float 0x40BBC85560000000)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK: lui $[[REG_FPCONST_1:[0-9]+]], 17886
+; CHECK: ori $[[REG_FPCONST:[0-9]+]], $[[REG_FPCONST_1]], 17067
+; CHECK: mtc1 $[[REG_FPCONST]], $f12
+; CHECK: lw $25, %got(xf)($[[REG_GP]])
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xf(float) #1
+
+; Function Attrs: nounwind
+define void @cxff() #0 {
+entry:
+; CHECK-LABEL: cxff
+ call void @xff(float 0x3FF74A6CA0000000, float 0x401A2C0840000000)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16314
+; CHECK-DAG: ori $[[REG_FPCONST:[0-9]+]], $[[REG_FPCONST_1]], 21349
+; CHECK-DAG: mtc1 $[[REG_FPCONST]], $f12
+; CHECK-DAG: lui $[[REG_FPCONST_2:[0-9]+]], 16593
+; CHECK-DAG: ori $[[REG_FPCONST_3:[0-9]+]], $[[REG_FPCONST_2]], 24642
+; CHECK-DAG: mtc1 $[[REG_FPCONST_3]], $f14
+; CHECK: lw $25, %got(xff)($[[REG_GP]])
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xff(float, float) #1
+
+; Function Attrs: nounwind
+define void @cxfi() #0 {
+entry:
+; CHECK-LABEL: cxfi
+ call void @xfi(float 0x4013906240000000, i32 102)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16540
+; CHECK-DAG: ori $[[REG_FPCONST:[0-9]+]], $[[REG_FPCONST_1]], 33554
+; CHECK-DAG: mtc1 $[[REG_FPCONST]], $f12
+; CHECK-DAG: addiu $5, $zero, 102
+; CHECK: lw $25, %got(xfi)($[[REG_GP]])
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xfi(float, i32) #1
+
+; Function Attrs: nounwind
+define void @cxfii() #0 {
+entry:
+; CHECK-LABEL: cxfii
+ call void @xfii(float 0x405EC7EE00000000, i32 9993, i32 10922)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 17142
+; CHECK-DAG: ori $[[REG_FPCONST:[0-9]+]], $[[REG_FPCONST_1]], 16240
+; CHECK-DAG: mtc1 $[[REG_FPCONST]], $f12
+; CHECK-DAG: addiu $5, $zero, 9993
+; CHECK-DAG: addiu $6, $zero, 10922
+; CHECK: lw $25, %got(xfii)($[[REG_GP]])
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xfii(float, i32, i32) #1
+
+; Function Attrs: nounwind
+define void @cxfiii() #0 {
+entry:
+; CHECK-LABEL: cxfiii
+ call void @xfiii(float 0x405C072B20000000, i32 3948, i32 89011, i32 111222)
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 17120
+; CHECK-DAG: ori $[[REG_FPCONST:[0-9]+]], $[[REG_FPCONST_1]], 14681
+; CHECK-DAG: mtc1 $[[REG_FPCONST]], $f12
+; CHECK-DAG: addiu $5, $zero, 3948
+; CHECK-DAG: lui $[[REG_I_1:[0-9]+]], 1
+; CHECK-DAG: ori $6, $[[REG_I_1]], 23475
+; CHECK-DAG: lui $[[REG_I_2:[0-9]+]], 1
+; CHECK-DAG: ori $7, $[[REG_I_2]], 45686
+; CHECK: lw $25, %got(xfiii)($[[REG_GP]])
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xfiii(float, i32, i32, i32) #1
+
+; Function Attrs: nounwind
+define void @cxd() #0 {
+entry:
+; mips32r2-LABEL: cxd:
+; mips32-LABEL: cxd:
+ call void @xd(double 5.994560e+02)
+; mips32: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16514
+; mips32-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 48037
+; mips32-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 58195
+; mips32-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 63439
+; mips32-DAG: mtc1 $[[REG_FPCONST_4]], $f12
+; mips32-DAG: mtc1 $[[REG_FPCONST_2]], $f13
+; mips32-DAG: lw $25, %got(xd)($[[REG_GP]])
+; mips32: jalr $25
+; mips32r2: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32r2-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16514
+; mips32r2-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 48037
+; mips32r2-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 58195
+; mips32r2-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 63439
+; mips32r2-DAG: mtc1 $[[REG_FPCONST_4]], $f12
+; mips32r2-DAG: mthc1 $[[REG_FPCONST_2]], $f12
+; mips32r2-DAG: lw $25, %got(xd)($[[REG_GP]])
+; mips32r2 : jalr $25
+ ret void
+}
+
+declare void @xd(double) #1
+
+; Function Attrs: nounwind
+define void @cxdd() #0 {
+; mips32r2-LABEL: cxdd:
+; mips32-LABEL: cxdd:
+entry:
+ call void @xdd(double 1.234980e+03, double 0x40F5B331F7CED917)
+; mips32: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16531
+; mips32-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 19435
+; mips32-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 34078
+; mips32-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 47186
+; mips32-DAG: mtc1 $[[REG_FPCONST_4]], $f12
+; mips32-DAG: mtc1 $[[REG_FPCONST_2]], $f13
+; mips32-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16629
+; mips32-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 45873
+; mips32-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 63438
+; mips32-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 55575
+; mips32-DAG: mtc1 $[[REG_FPCONST_4]], $f14
+; mips32-DAG: mtc1 $[[REG_FPCONST_2]], $f15
+; mips32-DAG: lw $25, %got(xdd)($[[REG_GP]])
+; mips32: jalr $25
+; mips32r2: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; mips32r2-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16531
+; mips32r2-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 19435
+; mips32r2-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 34078
+; mips32r2-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 47186
+; mips32r2-DAG: mtc1 $[[REG_FPCONST_4]], $f12
+; mips32r2-DAG: mthc1 $[[REG_FPCONST_2]], $f12
+; mips32r2-DAG: lui $[[REG_FPCONST_1:[0-9]+]], 16629
+; mips32r2-DAG: ori $[[REG_FPCONST_2:[0-9]+]], $[[REG_FPCONST_1]], 45873
+; mips32r2-DAG: lui $[[REG_FPCONST_3:[0-9]+]], 63438
+; mips32r2-DAG: ori $[[REG_FPCONST_4:[0-9]+]], $[[REG_FPCONST_3]], 55575
+; mips32r2-DAG: mtc1 $[[REG_FPCONST_4]], $f14
+; mips32r2-DAG: mthc1 $[[REG_FPCONST_2]], $f14
+; mips32r2-DAG: lw $25, %got(xdd)($[[REG_GP]])
+; mips32r2 : jalr $25
+ ret void
+}
+
+declare void @xdd(double, double) #1
+
+; Function Attrs: nounwind
+define void @cxif() #0 {
+entry:
+; CHECK-LABEL: cxif:
+ call void @xif(i32 345, float 0x407BCE5A20000000)
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: addiu $4, $zero, 345
+; CHECK-DAG: lui $[[REGF_1:[0-9]+]], 17374
+; CHECK-DAG: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 29393
+; CHECK-DAG: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK-DAG: mfc1 $5, $f[[REGF_3]]
+; CHECK-DAG: lw $25, %got(xif)($[[REG_GP]])
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xif(i32, float) #1
+
+; Function Attrs: nounwind
+define void @cxiff() #0 {
+entry:
+; CHECK-LABEL: cxiff:
+; CHECK2-LABEL: cxiff:
+ call void @xiff(i32 12239, float 0x408EDB3340000000, float 0x4013FFE5C0000000)
+; We need to do the two floating point parameters in a separate
+; check because we can't control the ordering of parts of the sequence
+;;
+; CHECK: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK: addiu $4, $zero, 12239
+; CHECK2: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK2: addiu $4, $zero, 12239
+; CHECK: lui $[[REGF_1:[0-9]+]], 17526
+; CHECK: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 55706
+; CHECK: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK: mfc1 $5, $f[[REGF_3]]
+; CHECK2: lui $[[REGF2_1:[0-9]+]], 16543
+; CHECK2: ori $[[REGF2_2:[0-9]+]], $[[REGF2_1]], 65326
+; CHECK2: mtc1 $[[REGF2_2]], $f[[REGF2_3:[0-9]+]]
+; CHECK2: mfc1 $6, $f[[REGF2_3]]
+; CHECK: lw $25, %got(xiff)($[[REG_GP]])
+; CHECK2: lw $25, %got(xiff)($[[REG_GP]])
+; CHECK: jalr $25
+; CHECK2: jalr $25
+ ret void
+}
+
+declare void @xiff(i32, float, float) #1
+
+; Function Attrs: nounwind
+define void @cxifi() #0 {
+entry:
+; CHECK: cxifi:
+ call void @xifi(i32 887, float 0x402277CEE0000000, i32 888)
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: addiu $4, $zero, 887
+; CHECK-DAG: lui $[[REGF_1:[0-9]+]], 16659
+; CHECK-DAG: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 48759
+; CHECK-DAG: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK-DAG: mfc1 $5, $f[[REGF_3]]
+; CHECk-DAG: addiu $6, $zero, 888
+; CHECK-DAG: lw $25, %got(xifi)($[[REG_GP]])
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xifi(i32, float, i32) #1
+
+; Function Attrs: nounwind
+define void @cxifif() #0 {
+entry:
+; CHECK: cxifif:
+; CHECK2: cxifif:
+ call void @xifif(i32 67774, float 0x408EE0FBE0000000, i32 9991, float 0x40B15C8CC0000000)
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: lui $[[REGI:[0-9]+]], 1
+; CHECK-DAG: ori $4, $[[REGI]], 2238
+; CHECK-DAG: lui $[[REGF_1:[0-9]+]], 17527
+; CHECK-DAG: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 2015
+; CHECK-DAG: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK-DAG: mfc1 $5, $f[[REGF_3]]
+; CHECk-DAG: addiu $6, $zero, 888
+; CHECK2: lui $[[REGF2_1:[0-9]+]], 17802
+; CHECK2: ori $[[REGF2_2:[0-9]+]], $[[REGF2_1]], 58470
+; CHECK2: mtc1 $[[REGF2_2]], $f[[REGF2_3:[0-9]+]]
+; CHECK2: mfc1 $7, $f[[REGF2_3]]
+; CHECK: lw $25, %got(xifif)($[[REG_GP]])
+; CHECK2: lw $25, %got(xifif)($[[REG_GP]])
+; CHECK2: jalr $25
+; CHECK: jalr $25
+
+ ret void
+}
+
+declare void @xifif(i32, float, i32, float) #1
+
+; Function Attrs: nounwind
+define void @cxiffi() #0 {
+entry:
+; CHECK-label: cxiffi:
+; CHECK2-label: cxiffi:
+ call void @xiffi(i32 45, float 0x3FF6666660000000, float 0x408F333340000000, i32 234)
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: addiu $4, $zero, 45
+; CHECK2-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK2-DAG: addiu $4, $zero, 45
+; CHECK-DAG: lui $[[REGF_1:[0-9]+]], 16307
+; CHECK-DAG: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 13107
+; CHECK-DAG: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK-DAG: mfc1 $5, $f[[REGF_3]]
+; CHECK2: lui $[[REGF2_1:[0-9]+]], 17529
+; CHECK2: ori $[[REGF2_2:[0-9]+]], $[[REGF2_1]], 39322
+; CHECK2: mtc1 $[[REGF2_2]], $f[[REGF2_3:[0-9]+]]
+; CHECK2: mfc1 $6, $f[[REGF2_3]]
+; CHECK-DAG: lw $25, %got(xiffi)($[[REG_GP]])
+; CHECK-DAG: addiu $7, $zero, 234
+; CHECK2-DAG: lw $25, %got(xiffi)($[[REG_GP]])
+; CHECK: jalr $25
+; CHECK2: jalr $25
+
+ ret void
+}
+
+declare void @xiffi(i32, float, float, i32) #1
+
+; Function Attrs: nounwind
+define void @cxifii() #0 {
+entry:
+; CHECK-DAG: cxifii:
+ call void @xifii(i32 12239, float 0x408EDB3340000000, i32 998877, i32 1234)
+; CHECK-DAG: addu $[[REG_GP:[0-9]+]], ${{[0-9]+}}, ${{[0-9+]}}
+; CHECK-DAG: addiu $4, $zero, 12239
+; CHECK-DAG: lui $[[REGF_1:[0-9]+]], 17526
+; CHECK-DAG: ori $[[REGF_2:[0-9]+]], $[[REGF_1]], 55706
+; CHECK-DAG: mtc1 $[[REGF_2]], $f[[REGF_3:[0-9]+]]
+; CHECK-DAG: mfc1 $5, $f[[REGF_3]]
+; CHECK-DAG: lui $[[REGI2:[0-9]+]], 15
+; CHECK-DAG: ori $6, $[[REGI2]], 15837
+; CHECk-DAG: addiu $7, $zero, 1234
+; CHECK-DAG: lw $25, %got(xifii)($[[REG_GP]])
+; CHECK: jalr $25
+ ret void
+}
+
+declare void @xifii(i32, float, i32, i32) #1
+
+; FIXME: this function will not pass yet.
+; Function Attrs: nounwind
+; define void @cxfid() #0 {
+;entry:
+; call void @xfid(float 0x4013B851E0000000, i32 811123, double 0x40934BFF487FCB92)
+; ret void
+;}
+
+declare void @xfid(float, i32, double) #1
+
+; Function Attrs: nounwind
+define void @g() #0 {
+entry:
+ call void @cxi()
+ call void @cxii()
+ call void @cxiii()
+ call void @cxiiii()
+ call void @cxiiiiconv()
+ call void @cxf()
+ call void @cxff()
+ call void @cxd()
+ call void @cxfi()
+ call void @cxfii()
+ call void @cxfiii()
+ call void @cxdd()
+ call void @cxif()
+ call void @cxiff()
+ call void @cxifi()
+ call void @cxifii()
+ call void @cxifif()
+ call void @cxiffi()
+ ret void
+}
+
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.ident = !{!0}
+
+!0 = metadata !{metadata !"clang version 3.6.0 (gitosis@dmz-portal.mips.com:clang 43992fe7b17de5553ac06d323cb80cc6723a9ae3) (gitosis@dmz-portal.mips.com:llvm.git 0834e6839eb170197c81bb02e916258d1527e312)"}