aboutsummaryrefslogtreecommitdiff
path: root/lib/Target/ARM/ARMFastISel.cpp
diff options
context:
space:
mode:
authorDerek Schuff <dschuff@chromium.org>2013-01-30 11:34:40 -0800
committerDerek Schuff <dschuff@chromium.org>2013-01-30 11:34:40 -0800
commit1843e19bce9b11fc840858e136c6c52cf8b42e0b (patch)
treee8bfc928152e2d3b3dd120d141d13dc08a9b49e4 /lib/Target/ARM/ARMFastISel.cpp
parentaa0fa8a8df25807f784ec9ca9deeb40328636595 (diff)
parenta662a9862501fc86904e90054f7c1519101d9126 (diff)
Merge commit 'a662a9862501fc86904e90054f7c1519101d9126'
Conflicts: include/llvm/CodeGen/IntrinsicLowering.h include/llvm/MC/MCAssembler.h include/llvm/MC/MCObjectStreamer.h lib/LLVMBuild.txt lib/Linker/LinkArchives.cpp lib/MC/MCAssembler.cpp lib/MC/MCELFStreamer.cpp lib/MC/MCParser/AsmParser.cpp lib/MC/MCPureStreamer.cpp lib/MC/WinCOFFStreamer.cpp lib/Makefile lib/Support/Unix/Memory.inc lib/Support/Unix/Process.inc lib/Support/Unix/Program.inc lib/Target/ARM/ARM.h lib/Target/ARM/ARMFastISel.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/X86/CMakeLists.txt lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86TargetMachine.cpp lib/Target/X86/X86TargetObjectFile.cpp lib/Transforms/InstCombine/InstCombineCalls.cpp test/CodeGen/X86/fast-isel-x86-64.ll tools/llc/llc.cpp tools/lto/LTOModule.cpp utils/TableGen/EDEmitter.cpp
Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
-rw-r--r--lib/Target/ARM/ARMFastISel.cpp143
1 files changed, 75 insertions, 68 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 9cacf1b000..e072a2cb85 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -20,7 +20,6 @@
#include "ARMSubtarget.h"
#include "ARMTargetMachine.h"
#include "MCTargetDesc/ARMAddressingModes.h"
-#include "llvm/CallingConv.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
@@ -30,13 +29,14 @@
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/DataLayout.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/Instructions.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Module.h"
-#include "llvm/Operator.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
@@ -178,24 +178,24 @@ class ARMFastISel : public FastISel {
bool isLoadTypeLegal(Type *Ty, MVT &VT);
bool ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
bool isZExt);
- bool ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr,
+ bool ARMEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
unsigned Alignment = 0, bool isZExt = true,
bool allocReg = true);
- bool ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr,
+ bool ARMEmitStore(MVT VT, unsigned SrcReg, Address &Addr,
unsigned Alignment = 0);
bool ARMComputeAddress(const Value *Obj, Address &Addr);
- void ARMSimplifyAddress(Address &Addr, EVT VT, bool useAM3);
+ void ARMSimplifyAddress(Address &Addr, MVT VT, bool useAM3);
bool ARMIsMemCpySmall(uint64_t Len);
bool ARMTryEmitSmallMemCpy(Address Dest, Address Src, uint64_t Len,
unsigned Alignment);
- unsigned ARMEmitIntExt(EVT SrcVT, unsigned SrcReg, EVT DestVT, bool isZExt);
- unsigned ARMMaterializeFP(const ConstantFP *CFP, EVT VT);
- unsigned ARMMaterializeInt(const Constant *C, EVT VT);
- unsigned ARMMaterializeGV(const GlobalValue *GV, EVT VT);
- unsigned ARMMoveToFPReg(EVT VT, unsigned SrcReg);
- unsigned ARMMoveToIntReg(EVT VT, unsigned SrcReg);
+ unsigned ARMEmitIntExt(MVT SrcVT, unsigned SrcReg, MVT DestVT, bool isZExt);
+ unsigned ARMMaterializeFP(const ConstantFP *CFP, MVT VT);
+ unsigned ARMMaterializeInt(const Constant *C, MVT VT);
+ unsigned ARMMaterializeGV(const GlobalValue *GV, MVT VT);
+ unsigned ARMMoveToFPReg(MVT VT, unsigned SrcReg);
+ unsigned ARMMoveToIntReg(MVT VT, unsigned SrcReg);
unsigned ARMSelectCallOp(bool UseReg);
- unsigned ARMLowerPICELF(const GlobalValue *GV, unsigned Align, EVT VT);
+ unsigned ARMLowerPICELF(const GlobalValue *GV, unsigned Align, MVT VT);
// Call handling routines.
private:
@@ -221,7 +221,7 @@ class ARMFastISel : public FastISel {
bool isARMNEONPred(const MachineInstr *MI);
bool DefinesOptionalPredicate(MachineInstr *MI, bool *CPSR);
const MachineInstrBuilder &AddOptionalDefs(const MachineInstrBuilder &MIB);
- void AddLoadStoreOperands(EVT VT, Address &Addr,
+ void AddLoadStoreOperands(MVT VT, Address &Addr,
const MachineInstrBuilder &MIB,
unsigned Flags, bool useAM3);
};
@@ -487,7 +487,7 @@ unsigned ARMFastISel::FastEmitInst_extractsubreg(MVT RetVT,
// TODO: Don't worry about 64-bit now, but when this is fixed remove the
// checks from the various callers.
-unsigned ARMFastISel::ARMMoveToFPReg(EVT VT, unsigned SrcReg) {
+unsigned ARMFastISel::ARMMoveToFPReg(MVT VT, unsigned SrcReg) {
if (VT == MVT::f64) return 0;
unsigned MoveReg = createResultReg(TLI.getRegClassFor(VT));
@@ -497,7 +497,7 @@ unsigned ARMFastISel::ARMMoveToFPReg(EVT VT, unsigned SrcReg) {
return MoveReg;
}
-unsigned ARMFastISel::ARMMoveToIntReg(EVT VT, unsigned SrcReg) {
+unsigned ARMFastISel::ARMMoveToIntReg(MVT VT, unsigned SrcReg) {
if (VT == MVT::i64) return 0;
unsigned MoveReg = createResultReg(TLI.getRegClassFor(VT));
@@ -510,7 +510,7 @@ unsigned ARMFastISel::ARMMoveToIntReg(EVT VT, unsigned SrcReg) {
// For double width floating point we need to materialize two constants
// (the high and the low) into integer registers then use a move to get
// the combined constant into an FP reg.
-unsigned ARMFastISel::ARMMaterializeFP(const ConstantFP *CFP, EVT VT) {
+unsigned ARMFastISel::ARMMaterializeFP(const ConstantFP *CFP, MVT VT) {
const APFloat Val = CFP->getValueAPF();
bool is64bit = VT == MVT::f64;
@@ -554,7 +554,7 @@ unsigned ARMFastISel::ARMMaterializeFP(const ConstantFP *CFP, EVT VT) {
return DestReg;
}
-unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, EVT VT) {
+unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, MVT VT) {
if (VT != MVT::i32 && VT != MVT::i16 && VT != MVT::i8 && VT != MVT::i1)
return false;
@@ -616,7 +616,7 @@ unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, EVT VT) {
return DestReg;
}
-unsigned ARMFastISel::ARMMaterializeGV(const GlobalValue *GV, EVT VT) {
+unsigned ARMFastISel::ARMMaterializeGV(const GlobalValue *GV, MVT VT) {
// For now 32-bit only.
if (VT != MVT::i32) return 0;
@@ -724,10 +724,11 @@ unsigned ARMFastISel::TargetMaterializeConstant(const Constant *C) {
// This assert should help detect some regressions early.
assert(!FlagSfiDisableCP && "unexpected call to TargetMaterializeConstant");
// @LOCALMOD-END
- EVT VT = TLI.getValueType(C->getType(), true);
+ EVT CEVT = TLI.getValueType(C->getType(), true);
// Only handle simple types.
- if (!VT.isSimple()) return 0;
+ if (!CEVT.isSimple()) return 0;
+ MVT VT = CEVT.getSimpleVT();
if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C))
return ARMMaterializeFP(CFP, VT);
@@ -903,12 +904,9 @@ bool ARMFastISel::ARMComputeAddress(const Value *Obj, Address &Addr) {
return Addr.Base.Reg != 0;
}
-void ARMFastISel::ARMSimplifyAddress(Address &Addr, EVT VT, bool useAM3) {
-
- assert(VT.isSimple() && "Non-simple types are invalid here!");
-
+void ARMFastISel::ARMSimplifyAddress(Address &Addr, MVT VT, bool useAM3) {
bool needsLowering = false;
- switch (VT.getSimpleVT().SimpleTy) {
+ switch (VT.SimpleTy) {
default: llvm_unreachable("Unhandled load/store type!");
case MVT::i1:
case MVT::i8:
@@ -959,13 +957,12 @@ void ARMFastISel::ARMSimplifyAddress(Address &Addr, EVT VT, bool useAM3) {
}
}
-void ARMFastISel::AddLoadStoreOperands(EVT VT, Address &Addr,
+void ARMFastISel::AddLoadStoreOperands(MVT VT, Address &Addr,
const MachineInstrBuilder &MIB,
unsigned Flags, bool useAM3) {
// addrmode5 output depends on the selection dag addressing dividing the
// offset by 4 that it then later multiplies. Do this here as well.
- if (VT.getSimpleVT().SimpleTy == MVT::f32 ||
- VT.getSimpleVT().SimpleTy == MVT::f64)
+ if (VT.SimpleTy == MVT::f32 || VT.SimpleTy == MVT::f64)
Addr.Offset /= 4;
// Frame base works a bit differently. Handle it separately.
@@ -1008,14 +1005,13 @@ void ARMFastISel::AddLoadStoreOperands(EVT VT, Address &Addr,
AddOptionalDefs(MIB);
}
-bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr,
+bool ARMFastISel::ARMEmitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
unsigned Alignment, bool isZExt, bool allocReg) {
- assert(VT.isSimple() && "Non-simple types are invalid here!");
unsigned Opc;
bool useAM3 = false;
bool needVMOV = false;
const TargetRegisterClass *RC;
- switch (VT.getSimpleVT().SimpleTy) {
+ switch (VT.SimpleTy) {
// This is mostly going to be Neon/vector support.
default: return false;
case MVT::i1:
@@ -1132,11 +1128,11 @@ bool ARMFastISel::SelectLoad(const Instruction *I) {
return true;
}
-bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr,
+bool ARMFastISel::ARMEmitStore(MVT VT, unsigned SrcReg, Address &Addr,
unsigned Alignment) {
unsigned StrOpc;
bool useAM3 = false;
- switch (VT.getSimpleVT().SimpleTy) {
+ switch (VT.SimpleTy) {
// This is mostly going to be Neon/vector support.
default: return false;
case MVT::i1: {
@@ -1410,8 +1406,9 @@ bool ARMFastISel::SelectIndirectBr(const Instruction *I) {
bool ARMFastISel::ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
bool isZExt) {
Type *Ty = Src1Value->getType();
- EVT SrcVT = TLI.getValueType(Ty, true);
- if (!SrcVT.isSimple()) return false;
+ EVT SrcEVT = TLI.getValueType(Ty, true);
+ if (!SrcEVT.isSimple()) return false;
+ MVT SrcVT = SrcEVT.getSimpleVT();
bool isFloat = (Ty->isFloatTy() || Ty->isDoubleTy());
if (isFloat && !Subtarget->hasVFP2())
@@ -1448,7 +1445,7 @@ bool ARMFastISel::ARMEmitCmp(const Value *Src1Value, const Value *Src2Value,
unsigned CmpOpc;
bool isICmp = true;
bool needsExt = false;
- switch (SrcVT.getSimpleVT().SimpleTy) {
+ switch (SrcVT.SimpleTy) {
default: return false;
// TODO: Verify compares.
case MVT::f32:
@@ -1600,7 +1597,10 @@ bool ARMFastISel::SelectIToFP(const Instruction *I, bool isSigned) {
return false;
Value *Src = I->getOperand(0);
- EVT SrcVT = TLI.getValueType(Src->getType(), true);
+ EVT SrcEVT = TLI.getValueType(Src->getType(), true);
+ if (!SrcEVT.isSimple())
+ return false;
+ MVT SrcVT = SrcEVT.getSimpleVT();
if (SrcVT != MVT::i32 && SrcVT != MVT::i16 && SrcVT != MVT::i8)
return false;
@@ -1609,8 +1609,7 @@ bool ARMFastISel::SelectIToFP(const Instruction *I, bool isSigned) {
// Handle sign-extension.
if (SrcVT == MVT::i16 || SrcVT == MVT::i8) {
- EVT DestVT = MVT::i32;
- SrcReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT,
+ SrcReg = ARMEmitIntExt(SrcVT, SrcReg, MVT::i32,
/*isZExt*/!isSigned);
if (SrcReg == 0) return false;
}
@@ -1816,7 +1815,9 @@ bool ARMFastISel::SelectBinaryIntOp(const Instruction *I, unsigned ISDOpcode) {
}
bool ARMFastISel::SelectBinaryFPOp(const Instruction *I, unsigned ISDOpcode) {
- EVT VT = TLI.getValueType(I->getType(), true);
+ EVT FPVT = TLI.getValueType(I->getType(), true);
+ if (!FPVT.isSimple()) return false;
+ MVT VT = FPVT.getSimpleVT();
// We can get here in the case when we want to use NEON for our fp
// operations, but can't figure out how to. Just use the vfp instructions
@@ -1847,7 +1848,7 @@ bool ARMFastISel::SelectBinaryFPOp(const Instruction *I, unsigned ISDOpcode) {
unsigned Op2 = getRegForValue(I->getOperand(1));
if (Op2 == 0) return false;
- unsigned ResultReg = createResultReg(TLI.getRegClassFor(VT));
+ unsigned ResultReg = createResultReg(TLI.getRegClassFor(VT.SimpleTy));
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(Opc), ResultReg)
.addReg(Op1).addReg(Op2));
@@ -2060,7 +2061,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
if (RVLocs.size() == 2 && RetVT == MVT::f64) {
// For this move we copy into two registers and then move into the
// double fp reg we want.
- EVT DestVT = RVLocs[0].getValVT();
+ MVT DestVT = RVLocs[0].getValVT();
const TargetRegisterClass* DstRC = TLI.getRegClassFor(DestVT);
unsigned ResultReg = createResultReg(DstRC);
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
@@ -2075,7 +2076,7 @@ bool ARMFastISel::FinishCall(MVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
UpdateValueMap(I, ResultReg);
} else {
assert(RVLocs.size() == 1 &&"Can't handle non-double multi-reg retvals!");
- EVT CopyVT = RVLocs[0].getValVT();
+ MVT CopyVT = RVLocs[0].getValVT();
// Special handling for extended integers.
if (RetVT == MVT::i1 || RetVT == MVT::i8 || RetVT == MVT::i16)
@@ -2106,8 +2107,7 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
CallingConv::ID CC = F.getCallingConv();
if (Ret->getNumOperands() > 0) {
SmallVector<ISD::OutputArg, 4> Outs;
- GetReturnInfo(F.getReturnType(), F.getAttributes().getRetAttributes(),
- Outs, TLI);
+ GetReturnInfo(F.getReturnType(), F.getAttributes(), Outs, TLI);
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ValLocs;
@@ -2134,8 +2134,10 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
return false;
unsigned SrcReg = Reg + VA.getValNo();
- EVT RVVT = TLI.getValueType(RV->getType());
- EVT DestVT = VA.getValVT();
+ EVT RVEVT = TLI.getValueType(RV->getType());
+ if (!RVEVT.isSimple()) return false;
+ MVT RVVT = RVEVT.getSimpleVT();
+ MVT DestVT = VA.getValVT();
// Special handling for extended integers.
if (RVVT != DestVT) {
if (RVVT != MVT::i1 && RVVT != MVT::i8 && RVVT != MVT::i16)
@@ -2180,7 +2182,9 @@ unsigned ARMFastISel::ARMSelectCallOp(bool UseReg) {
unsigned ARMFastISel::getLibcallReg(const Twine &Name) {
GlobalValue *GV = new GlobalVariable(Type::getInt32Ty(*Context), false,
GlobalValue::ExternalLinkage, 0, Name);
- return ARMMaterializeGV(GV, TLI.getValueType(GV->getType()));
+ EVT LCREVT = TLI.getValueType(GV->getType());
+ if (!LCREVT.isSimple()) return 0;
+ return ARMMaterializeGV(GV, LCREVT.getSimpleVT());
}
// A quick function that will emit a call for a named libcall in F with the
@@ -2340,16 +2344,16 @@ bool ARMFastISel::SelectCall(const Instruction *I,
ISD::ArgFlagsTy Flags;
unsigned AttrInd = i - CS.arg_begin() + 1;
- if (CS.paramHasAttr(AttrInd, Attributes::SExt))
+ if (CS.paramHasAttr(AttrInd, Attribute::SExt))
Flags.setSExt();
- if (CS.paramHasAttr(AttrInd, Attributes::ZExt))
+ if (CS.paramHasAttr(AttrInd, Attribute::ZExt))
Flags.setZExt();
// FIXME: Only handle *easy* calls for now.
- if (CS.paramHasAttr(AttrInd, Attributes::InReg) ||
- CS.paramHasAttr(AttrInd, Attributes::StructRet) ||
- CS.paramHasAttr(AttrInd, Attributes::Nest) ||
- CS.paramHasAttr(AttrInd, Attributes::ByVal))
+ if (CS.paramHasAttr(AttrInd, Attribute::InReg) ||
+ CS.paramHasAttr(AttrInd, Attribute::StructRet) ||
+ CS.paramHasAttr(AttrInd, Attribute::Nest) ||
+ CS.paramHasAttr(AttrInd, Attribute::ByVal))
return false;
Type *ArgTy = (*i)->getType();
@@ -2592,7 +2596,7 @@ bool ARMFastISel::SelectTrunc(const Instruction *I) {
return true;
}
-unsigned ARMFastISel::ARMEmitIntExt(EVT SrcVT, unsigned SrcReg, EVT DestVT,
+unsigned ARMFastISel::ARMEmitIntExt(MVT SrcVT, unsigned SrcReg, MVT DestVT,
bool isZExt) {
if (DestVT != MVT::i32 && DestVT != MVT::i16 && DestVT != MVT::i8)
return 0;
@@ -2600,8 +2604,7 @@ unsigned ARMFastISel::ARMEmitIntExt(EVT SrcVT, unsigned SrcReg, EVT DestVT,
unsigned Opc;
bool isBoolZext = false;
const TargetRegisterClass *RC = TLI.getRegClassFor(MVT::i32);
- if (!SrcVT.isSimple()) return 0;
- switch (SrcVT.getSimpleVT().SimpleTy) {
+ switch (SrcVT.SimpleTy) {
default: return 0;
case MVT::i16:
if (!Subtarget->hasV6Ops()) return 0;
@@ -2648,14 +2651,18 @@ bool ARMFastISel::SelectIntExt(const Instruction *I) {
Value *Src = I->getOperand(0);
Type *SrcTy = Src->getType();
- EVT SrcVT, DestVT;
- SrcVT = TLI.getValueType(SrcTy, true);
- DestVT = TLI.getValueType(DestTy, true);
-
bool isZExt = isa<ZExtInst>(I);
unsigned SrcReg = getRegForValue(Src);
if (!SrcReg) return false;
+ EVT SrcEVT, DestEVT;
+ SrcEVT = TLI.getValueType(SrcTy, true);
+ DestEVT = TLI.getValueType(DestTy, true);
+ if (!SrcEVT.isSimple()) return false;
+ if (!DestEVT.isSimple()) return false;
+
+ MVT SrcVT = SrcEVT.getSimpleVT();
+ MVT DestVT = DestEVT.getSimpleVT();
unsigned ResultReg = ARMEmitIntExt(SrcVT, SrcReg, DestVT, isZExt);
if (ResultReg == 0) return false;
UpdateValueMap(I, ResultReg);
@@ -2835,7 +2842,7 @@ bool ARMFastISel::TryToFoldLoad(MachineInstr *MI, unsigned OpNo,
}
unsigned ARMFastISel::ARMLowerPICELF(const GlobalValue *GV,
- unsigned Align, EVT VT) {
+ unsigned Align, MVT VT) {
bool UseGOTOFF = GV->hasLocalLinkage() || GV->hasHiddenVisibility();
ARMConstantPoolConstant *CPV =
ARMConstantPoolConstant::Create(GV, UseGOTOFF ? ARMCP::GOTOFF : ARMCP::GOT);