Author: rsmith
Date: Fri Mar 9 17:47:22 2018
New Revision: 327195
URL: http://llvm.org/viewvc/llvm-project?rev=327195&view=rev
Log:
Revert r326946. It caused stack overflows by significantly increasing the size
of a CallArgList.
Removed:
cfe/trunk/test/CodeGenCXX/amdgcn-func-arg.cpp
Modified:
cfe/trunk/lib/CodeGen/CGAtomic.cpp
cfe/trunk/lib/CodeGen/CGCall.cpp
cfe/trunk/lib/CodeGen/CGCall.h
cfe/trunk/lib/CodeGen/CGClass.cpp
cfe/trunk/lib/CodeGen/CGDecl.cpp
cfe/trunk/lib/CodeGen/CGExprCXX.cpp
cfe/trunk/lib/CodeGen/CGGPUBuiltin.cpp
cfe/trunk/lib/CodeGen/CGObjCGNU.cpp
cfe/trunk/lib/CodeGen/CGObjCMac.cpp
cfe/trunk/lib/CodeGen/CodeGenFunction.h
cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp
cfe/trunk/test/CodeGenOpenCL/addr-space-struct-arg.cl
cfe/trunk/test/CodeGenOpenCL/byval.cl
Modified: cfe/trunk/lib/CodeGen/CGAtomic.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGAtomic.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGAtomic.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGAtomic.cpp Fri Mar 9 17:47:22 2018
@@ -1160,7 +1160,7 @@ RValue CodeGenFunction::EmitAtomicExpr(A
if (UseOptimizedLibcall && Res.getScalarVal()) {
llvm::Value *ResVal = Res.getScalarVal();
if (PostOp) {
- llvm::Value *LoadVal1 = Args[1].getRValue(*this).getScalarVal();
+ llvm::Value *LoadVal1 = Args[1].RV.getScalarVal();
ResVal = Builder.CreateBinOp(PostOp, ResVal, LoadVal1);
}
if (E->getOp() == AtomicExpr::AO__atomic_nand_fetch)
Modified: cfe/trunk/lib/CodeGen/CGCall.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGCall.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCall.cpp Fri Mar 9 17:47:22 2018
@@ -1040,49 +1040,42 @@ void CodeGenFunction::ExpandTypeFromArgs
}
void CodeGenFunction::ExpandTypeToArgs(
- QualType Ty, CallArg Arg, llvm::FunctionType *IRFuncTy,
+ QualType Ty, RValue RV, llvm::FunctionType *IRFuncTy,
SmallVectorImpl<llvm::Value *> &IRCallArgs, unsigned &IRCallArgPos) {
auto Exp = getTypeExpansion(Ty, getContext());
if (auto CAExp = dyn_cast<ConstantArrayExpansion>(Exp.get())) {
- Address Addr = Arg.hasLValue() ? Arg.getKnownLValue().getAddress()
- :
Arg.getKnownRValue().getAggregateAddress();
- forConstantArrayExpansion(
- *this, CAExp, Addr, [&](Address EltAddr) {
- CallArg EltArg = CallArg(
- convertTempToRValue(EltAddr, CAExp->EltTy, SourceLocation()),
- CAExp->EltTy);
- ExpandTypeToArgs(CAExp->EltTy, EltArg, IRFuncTy, IRCallArgs,
- IRCallArgPos);
- });
+ forConstantArrayExpansion(*this, CAExp, RV.getAggregateAddress(),
+ [&](Address EltAddr) {
+ RValue EltRV =
+ convertTempToRValue(EltAddr, CAExp->EltTy, SourceLocation());
+ ExpandTypeToArgs(CAExp->EltTy, EltRV, IRFuncTy, IRCallArgs,
IRCallArgPos);
+ });
} else if (auto RExp = dyn_cast<RecordExpansion>(Exp.get())) {
- Address This = Arg.hasLValue() ? Arg.getKnownLValue().getAddress()
- :
Arg.getKnownRValue().getAggregateAddress();
+ Address This = RV.getAggregateAddress();
for (const CXXBaseSpecifier *BS : RExp->Bases) {
// Perform a single step derived-to-base conversion.
Address Base =
GetAddressOfBaseClass(This, Ty->getAsCXXRecordDecl(), &BS, &BS + 1,
/*NullCheckValue=*/false, SourceLocation());
- CallArg BaseArg = CallArg(RValue::getAggregate(Base), BS->getType());
+ RValue BaseRV = RValue::getAggregate(Base);
// Recurse onto bases.
- ExpandTypeToArgs(BS->getType(), BaseArg, IRFuncTy, IRCallArgs,
+ ExpandTypeToArgs(BS->getType(), BaseRV, IRFuncTy, IRCallArgs,
IRCallArgPos);
}
LValue LV = MakeAddrLValue(This, Ty);
for (auto FD : RExp->Fields) {
- CallArg FldArg =
- CallArg(EmitRValueForField(LV, FD, SourceLocation()), FD->getType());
- ExpandTypeToArgs(FD->getType(), FldArg, IRFuncTy, IRCallArgs,
+ RValue FldRV = EmitRValueForField(LV, FD, SourceLocation());
+ ExpandTypeToArgs(FD->getType(), FldRV, IRFuncTy, IRCallArgs,
IRCallArgPos);
}
} else if (isa<ComplexExpansion>(Exp.get())) {
- ComplexPairTy CV = Arg.getKnownRValue().getComplexVal();
+ ComplexPairTy CV = RV.getComplexVal();
IRCallArgs[IRCallArgPos++] = CV.first;
IRCallArgs[IRCallArgPos++] = CV.second;
} else {
assert(isa<NoExpansion>(Exp.get()));
- auto RV = Arg.getKnownRValue();
assert(RV.isScalar() &&
"Unexpected non-scalar rvalue during struct expansion.");
@@ -3425,17 +3418,13 @@ void CodeGenFunction::EmitCallArgs(
assert(InitialArgSize + 1 == Args.size() &&
"The code below depends on only adding one arg per EmitCallArg");
(void)InitialArgSize;
- // Since pointer argument are never emitted as LValue, it is safe to emit
- // non-null argument check for r-value only.
- if (!Args.back().hasLValue()) {
- RValue RVArg = Args.back().getKnownRValue();
- EmitNonNullArgCheck(RVArg, ArgTypes[Idx], (*Arg)->getExprLoc(), AC,
- ParamsToSkip + Idx);
- // @llvm.objectsize should never have side-effects and shouldn't need
- // destruction/cleanups, so we can safely "emit" it after its arg,
- // regardless of right-to-leftness
- MaybeEmitImplicitObjectSize(Idx, *Arg, RVArg);
- }
+ RValue RVArg = Args.back().RV;
+ EmitNonNullArgCheck(RVArg, ArgTypes[Idx], (*Arg)->getExprLoc(), AC,
+ ParamsToSkip + Idx);
+ // @llvm.objectsize should never have side-effects and shouldn't need
+ // destruction/cleanups, so we can safely "emit" it after its arg,
+ // regardless of right-to-leftness
+ MaybeEmitImplicitObjectSize(Idx, *Arg, RVArg);
}
if (!LeftToRight) {
@@ -3482,31 +3471,6 @@ struct DisableDebugLocationUpdates {
} // end anonymous namespace
-RValue CallArg::getRValue(CodeGenFunction &CGF) const {
- if (!HasLV)
- return RV;
- LValue Copy = CGF.MakeAddrLValue(CGF.CreateMemTemp(Ty), Ty);
- CGF.EmitAggregateCopy(Copy, LV, Ty, LV.isVolatile());
- IsUsed = true;
- return RValue::getAggregate(Copy.getAddress());
-}
-
-void CallArg::copyInto(CodeGenFunction &CGF, Address Addr) const {
- LValue Dst = CGF.MakeAddrLValue(Addr, Ty);
- if (!HasLV && RV.isScalar())
- CGF.EmitStoreOfScalar(RV.getScalarVal(), Dst, /*init=*/true);
- else if (!HasLV && RV.isComplex())
- CGF.EmitStoreOfComplex(RV.getComplexVal(), Dst, /*init=*/true);
- else {
- auto Addr = HasLV ? LV.getAddress() : RV.getAggregateAddress();
- LValue SrcLV = CGF.MakeAddrLValue(Addr, Ty);
- CGF.EmitAggregateCopy(Dst, SrcLV, Ty,
- HasLV ? LV.isVolatileQualified()
- : RV.isVolatileQualified());
- }
- IsUsed = true;
-}
-
void CodeGenFunction::EmitCallArg(CallArgList &args, const Expr *E,
QualType type) {
DisableDebugLocationUpdates Dis(*this, E);
@@ -3572,7 +3536,15 @@ void CodeGenFunction::EmitCallArg(CallAr
cast<CastExpr>(E)->getCastKind() == CK_LValueToRValue) {
LValue L = EmitLValue(cast<CastExpr>(E)->getSubExpr());
assert(L.isSimple());
- args.addUncopiedAggregate(L, type);
+ if (L.getAlignment() >= getContext().getTypeAlignInChars(type)) {
+ args.add(L.asAggregateRValue(), type, /*NeedsCopy*/true);
+ } else {
+ // We can't represent a misaligned lvalue in the CallArgList, so copy
+ // to an aligned temporary now.
+ LValue Dest = MakeAddrLValue(CreateMemTemp(type), type);
+ EmitAggregateCopy(Dest, L, type, L.isVolatile());
+ args.add(RValue::getAggregate(Dest.getAddress()), type);
+ }
return;
}
@@ -3730,6 +3702,16 @@ CodeGenFunction::EmitCallOrInvoke(llvm::
return llvm::CallSite(Inst);
}
+/// \brief Store a non-aggregate value to an address to initialize it. For
+/// initialization, a non-atomic store will be used.
+static void EmitInitStoreOfNonAggregate(CodeGenFunction &CGF, RValue Src,
+ LValue Dst) {
+ if (Src.isScalar())
+ CGF.EmitStoreOfScalar(Src.getScalarVal(), Dst, /*init=*/true);
+ else
+ CGF.EmitStoreOfComplex(Src.getComplexVal(), Dst, /*init=*/true);
+}
+
void CodeGenFunction::deferPlaceholderReplacement(llvm::Instruction *Old,
llvm::Value *New) {
DeferredReplacements.push_back(std::make_pair(Old, New));
@@ -3821,6 +3803,7 @@ RValue CodeGenFunction::EmitCall(const C
for (CallArgList::const_iterator I = CallArgs.begin(), E = CallArgs.end();
I != E; ++I, ++info_it, ++ArgNo) {
const ABIArgInfo &ArgInfo = info_it->info;
+ RValue RV = I->RV;
// Insert a padding argument to ensure proper alignment.
if (IRFunctionArgs.hasPaddingArg(ArgNo))
@@ -3834,16 +3817,13 @@ RValue CodeGenFunction::EmitCall(const C
case ABIArgInfo::InAlloca: {
assert(NumIRArgs == 0);
assert(getTarget().getTriple().getArch() == llvm::Triple::x86);
- if (I->isAggregate()) {
+ if (RV.isAggregate()) {
// Replace the placeholder with the appropriate argument slot GEP.
- Address Addr = I->hasLValue()
- ? I->getKnownLValue().getAddress()
- : I->getKnownRValue().getAggregateAddress();
llvm::Instruction *Placeholder =
- cast<llvm::Instruction>(Addr.getPointer());
+ cast<llvm::Instruction>(RV.getAggregatePointer());
CGBuilderTy::InsertPoint IP = Builder.saveIP();
Builder.SetInsertPoint(Placeholder);
- Addr = createInAllocaStructGEP(ArgInfo.getInAllocaFieldIndex());
+ Address Addr =
createInAllocaStructGEP(ArgInfo.getInAllocaFieldIndex());
Builder.restoreIP(IP);
deferPlaceholderReplacement(Placeholder, Addr.getPointer());
} else {
@@ -3856,20 +3836,22 @@ RValue CodeGenFunction::EmitCall(const C
// from {}* to (%struct.foo*)*.
if (Addr.getType() != MemType)
Addr = Builder.CreateBitCast(Addr, MemType);
- I->copyInto(*this, Addr);
+ LValue argLV = MakeAddrLValue(Addr, I->Ty);
+ EmitInitStoreOfNonAggregate(*this, RV, argLV);
}
break;
}
case ABIArgInfo::Indirect: {
assert(NumIRArgs == 1);
- if (!I->isAggregate()) {
+ if (RV.isScalar() || RV.isComplex()) {
// Make a temporary alloca to pass the argument.
Address Addr = CreateMemTemp(I->Ty, ArgInfo.getIndirectAlign(),
"indirect-arg-temp", false);
IRCallArgs[FirstIRArg] = Addr.getPointer();
- I->copyInto(*this, Addr);
+ LValue argLV = MakeAddrLValue(Addr, I->Ty);
+ EmitInitStoreOfNonAggregate(*this, RV, argLV);
} else {
// We want to avoid creating an unnecessary temporary+copy here;
// however, we need one in three cases:
@@ -3877,51 +3859,32 @@ RValue CodeGenFunction::EmitCall(const C
// source. (This case doesn't occur on any common architecture.)
// 2. If the argument is byval, RV is not sufficiently aligned, and
// we cannot force it to be sufficiently aligned.
- // 3. If the argument is byval, but RV is not located in default
- // or alloca address space.
- Address Addr = I->hasLValue()
- ? I->getKnownLValue().getAddress()
- : I->getKnownRValue().getAggregateAddress();
- llvm::Value *V = Addr.getPointer();
+ // 3. If the argument is byval, but RV is located in an address space
+ // different than that of the argument (0).
+ Address Addr = RV.getAggregateAddress();
CharUnits Align = ArgInfo.getIndirectAlign();
const llvm::DataLayout *TD = &CGM.getDataLayout();
-
- assert((FirstIRArg >= IRFuncTy->getNumParams() ||
- IRFuncTy->getParamType(FirstIRArg)->getPointerAddressSpace() ==
- TD->getAllocaAddrSpace()) &&
- "indirect argument must be in alloca address space");
-
- bool NeedCopy = false;
-
- if (Addr.getAlignment() < Align &&
- llvm::getOrEnforceKnownAlignment(V, Align.getQuantity(), *TD) <
- Align.getQuantity()) {
- NeedCopy = true;
- } else if (I->hasLValue()) {
- auto LV = I->getKnownLValue();
- auto AS = LV.getAddressSpace();
- if ((!ArgInfo.getIndirectByVal() &&
- (LV.getAlignment() >=
- getContext().getTypeAlignInChars(I->Ty))) ||
- (ArgInfo.getIndirectByVal() &&
- ((AS != LangAS::Default && AS != LangAS::opencl_private &&
- AS != CGM.getASTAllocaAddressSpace())))) {
- NeedCopy = true;
- }
- }
- if (NeedCopy) {
+ const unsigned RVAddrSpace = Addr.getType()->getAddressSpace();
+ const unsigned ArgAddrSpace =
+ (FirstIRArg < IRFuncTy->getNumParams()
+ ? IRFuncTy->getParamType(FirstIRArg)->getPointerAddressSpace()
+ : 0);
+ if ((!ArgInfo.getIndirectByVal() && I->NeedsCopy) ||
+ (ArgInfo.getIndirectByVal() && Addr.getAlignment() < Align &&
+ llvm::getOrEnforceKnownAlignment(Addr.getPointer(),
+ Align.getQuantity(), *TD)
+ < Align.getQuantity()) ||
+ (ArgInfo.getIndirectByVal() && (RVAddrSpace != ArgAddrSpace))) {
// Create an aligned temporary, and copy to it.
Address AI = CreateMemTemp(I->Ty, ArgInfo.getIndirectAlign(),
"byval-temp", false);
IRCallArgs[FirstIRArg] = AI.getPointer();
- I->copyInto(*this, AI);
+ LValue Dest = MakeAddrLValue(AI, I->Ty);
+ LValue Src = MakeAddrLValue(Addr, I->Ty);
+ EmitAggregateCopy(Dest, Src, I->Ty, RV.isVolatileQualified());
} else {
// Skip the extra memcpy call.
- auto *T = V->getType()->getPointerElementType()->getPointerTo(
- CGM.getDataLayout().getAllocaAddrSpace());
- IRCallArgs[FirstIRArg] = getTargetHooks().performAddrSpaceCast(
- *this, V, LangAS::Default, CGM.getASTAllocaAddressSpace(), T,
- true);
+ IRCallArgs[FirstIRArg] = Addr.getPointer();
}
}
break;
@@ -3938,12 +3901,10 @@ RValue CodeGenFunction::EmitCall(const C
ArgInfo.getDirectOffset() == 0) {
assert(NumIRArgs == 1);
llvm::Value *V;
- if (!I->isAggregate())
- V = I->getKnownRValue().getScalarVal();
+ if (RV.isScalar())
+ V = RV.getScalarVal();
else
- V = Builder.CreateLoad(
- I->hasLValue() ? I->getKnownLValue().getAddress()
- : I->getKnownRValue().getAggregateAddress());
+ V = Builder.CreateLoad(RV.getAggregateAddress());
// Implement swifterror by copying into a new swifterror argument.
// We'll write back in the normal path out of the call.
@@ -3981,12 +3942,12 @@ RValue CodeGenFunction::EmitCall(const C
// FIXME: Avoid the conversion through memory if possible.
Address Src = Address::invalid();
- if (!I->isAggregate()) {
+ if (RV.isScalar() || RV.isComplex()) {
Src = CreateMemTemp(I->Ty, "coerce");
- I->copyInto(*this, Src);
+ LValue SrcLV = MakeAddrLValue(Src, I->Ty);
+ EmitInitStoreOfNonAggregate(*this, RV, SrcLV);
} else {
- Src = I->hasLValue() ? I->getKnownLValue().getAddress()
- : I->getKnownRValue().getAggregateAddress();
+ Src = RV.getAggregateAddress();
}
// If the value is offset in memory, apply the offset now.
@@ -4040,12 +4001,9 @@ RValue CodeGenFunction::EmitCall(const C
llvm::Value *tempSize = nullptr;
Address addr = Address::invalid();
- if (I->isAggregate()) {
- addr = I->hasLValue() ? I->getKnownLValue().getAddress()
- : I->getKnownRValue().getAggregateAddress();
-
+ if (RV.isAggregate()) {
+ addr = RV.getAggregateAddress();
} else {
- RValue RV = I->getKnownRValue();
assert(RV.isScalar()); // complex should always just be direct
llvm::Type *scalarType = RV.getScalarVal()->getType();
@@ -4082,7 +4040,7 @@ RValue CodeGenFunction::EmitCall(const C
case ABIArgInfo::Expand:
unsigned IRArgPos = FirstIRArg;
- ExpandTypeToArgs(I->Ty, *I, IRFuncTy, IRCallArgs, IRArgPos);
+ ExpandTypeToArgs(I->Ty, RV, IRFuncTy, IRCallArgs, IRArgPos);
assert(IRArgPos == FirstIRArg + NumIRArgs);
break;
}
@@ -4441,7 +4399,7 @@ RValue CodeGenFunction::EmitCall(const C
OffsetValue);
} else if (const auto *AA = TargetDecl->getAttr<AllocAlignAttr>()) {
llvm::Value *ParamVal =
- CallArgs[AA->getParamIndex() - 1].getRValue(*this).getScalarVal();
+ CallArgs[AA->getParamIndex() - 1].RV.getScalarVal();
EmitAlignmentAssumption(Ret.getScalarVal(), ParamVal);
}
}
Modified: cfe/trunk/lib/CodeGen/CGCall.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.h?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGCall.h (original)
+++ cfe/trunk/lib/CodeGen/CGCall.h Fri Mar 9 17:47:22 2018
@@ -213,46 +213,12 @@ public:
};
struct CallArg {
- private:
- union {
- RValue RV;
- LValue LV; /// The argument is semantically a load from this l-value.
- };
- bool HasLV;
-
- /// A data-flow flag to make sure getRValue and/or copyInto are not
- /// called twice for duplicated IR emission.
- mutable bool IsUsed;
-
- public:
+ RValue RV;
QualType Ty;
- CallArg(RValue rv, QualType ty)
- : RV(rv), HasLV(false), IsUsed(false), Ty(ty) {}
- CallArg(LValue lv, QualType ty)
- : LV(lv), HasLV(true), IsUsed(false), Ty(ty) {}
- bool hasLValue() const { return HasLV; }
- QualType getType() const { return Ty; }
-
- /// \returns an independent RValue. If the CallArg contains an LValue,
- /// a temporary copy is returned.
- RValue getRValue(CodeGenFunction &CGF) const;
-
- LValue getKnownLValue() const {
- assert(HasLV && !IsUsed);
- return LV;
- }
- RValue getKnownRValue() const {
- assert(!HasLV && !IsUsed);
- return RV;
- }
- void setRValue(RValue _RV) {
- assert(!HasLV);
- RV = _RV;
- }
-
- bool isAggregate() const { return HasLV || RV.isAggregate(); }
-
- void copyInto(CodeGenFunction &CGF, Address A) const;
+ bool NeedsCopy;
+ CallArg(RValue rv, QualType ty, bool needscopy)
+ : RV(rv), Ty(ty), NeedsCopy(needscopy)
+ { }
};
/// CallArgList - Type for representing both the value and type of
@@ -282,10 +248,8 @@ public:
llvm::Instruction *IsActiveIP;
};
- void add(RValue rvalue, QualType type) { push_back(CallArg(rvalue, type));
}
-
- void addUncopiedAggregate(LValue LV, QualType type) {
- push_back(CallArg(LV, type));
+ void add(RValue rvalue, QualType type, bool needscopy = false) {
+ push_back(CallArg(rvalue, type, needscopy));
}
/// Add all the arguments from another CallArgList to this one. After doing
Modified: cfe/trunk/lib/CodeGen/CGClass.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGClass.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGClass.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGClass.cpp Fri Mar 9 17:47:22 2018
@@ -2077,8 +2077,7 @@ void CodeGenFunction::EmitCXXConstructor
assert(Args.size() == 2 && "unexpected argcount for trivial ctor");
QualType SrcTy = D->getParamDecl(0)->getType().getNonReferenceType();
- Address Src(Args[1].getRValue(*this).getScalarVal(),
- getNaturalTypeAlignment(SrcTy));
+ Address Src(Args[1].RV.getScalarVal(), getNaturalTypeAlignment(SrcTy));
LValue SrcLVal = MakeAddrLValue(Src, SrcTy);
QualType DestTy = getContext().getTypeDeclType(ClassDecl);
LValue DestLVal = MakeAddrLValue(This, DestTy);
@@ -2132,7 +2131,8 @@ void CodeGenFunction::EmitInheritedCXXCo
const CXXConstructorDecl *D, bool ForVirtualBase, Address This,
bool InheritedFromVBase, const CXXInheritedCtorInitExpr *E) {
CallArgList Args;
- CallArg ThisArg(RValue::get(This.getPointer()),
D->getThisType(getContext()));
+ CallArg ThisArg(RValue::get(This.getPointer()), D->getThisType(getContext()),
+ /*NeedsCopy=*/false);
// Forward the parameters.
if (InheritedFromVBase &&
@@ -2196,7 +2196,7 @@ void CodeGenFunction::EmitInlinedInherit
assert(Args.size() >= Params.size() && "too few arguments for call");
for (unsigned I = 0, N = Args.size(); I != N; ++I) {
if (I < Params.size() && isa<ImplicitParamDecl>(Params[I])) {
- const RValue &RV = Args[I].getRValue(*this);
+ const RValue &RV = Args[I].RV;
assert(!RV.isComplex() && "complex indirect params not supported");
ParamValue Val = RV.isScalar()
? ParamValue::forDirect(RV.getScalarVal())
Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDecl.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDecl.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDecl.cpp Fri Mar 9 17:47:22 2018
@@ -1882,22 +1882,6 @@ void CodeGenFunction::EmitParmDecl(const
llvm::Type *IRTy = ConvertTypeForMem(Ty)->getPointerTo(AS);
if (DeclPtr.getType() != IRTy)
DeclPtr = Builder.CreateBitCast(DeclPtr, IRTy, D.getName());
- // Indirect argument is in alloca address space, which may be different
- // from the default address space.
- auto AllocaAS = CGM.getASTAllocaAddressSpace();
- auto *V = DeclPtr.getPointer();
- auto SrcLangAS = getLangOpts().OpenCL ? LangAS::opencl_private : AllocaAS;
- auto DestLangAS =
- getLangOpts().OpenCL ? LangAS::opencl_private : LangAS::Default;
- if (SrcLangAS != DestLangAS) {
- assert(getContext().getTargetAddressSpace(SrcLangAS) ==
- CGM.getDataLayout().getAllocaAddrSpace());
- auto DestAS = getContext().getTargetAddressSpace(DestLangAS);
- auto *T = V->getType()->getPointerElementType()->getPointerTo(DestAS);
- DeclPtr = Address(getTargetHooks().performAddrSpaceCast(
- *this, V, SrcLangAS, DestLangAS, T, true),
- DeclPtr.getAlignment());
- }
// Push a destructor cleanup for this parameter if the ABI requires it.
// Don't push a cleanup in a thunk for a method that will also emit a
Modified: cfe/trunk/lib/CodeGen/CGExprCXX.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprCXX.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprCXX.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprCXX.cpp Fri Mar 9 17:47:22 2018
@@ -265,7 +265,7 @@ RValue CodeGenFunction::EmitCXXMemberOrO
// when it isn't necessary; just produce the proper effect here.
LValue RHS = isa<CXXOperatorCallExpr>(CE)
? MakeNaturalAlignAddrLValue(
- (*RtlArgs)[0].getRValue(*this).getScalarVal(),
+ (*RtlArgs)[0].RV.getScalarVal(),
(*(CE->arg_begin() + 1))->getType())
: EmitLValue(*CE->arg_begin());
EmitAggregateAssign(This, RHS, CE->getType());
@@ -1490,7 +1490,7 @@ static void EnterNewDeleteCleanup(CodeGe
AllocAlign);
for (unsigned I = 0, N = E->getNumPlacementArgs(); I != N; ++I) {
auto &Arg = NewArgs[I + NumNonPlacementArgs];
- Cleanup->setPlacementArg(I, Arg.getRValue(CGF), Arg.Ty);
+ Cleanup->setPlacementArg(I, Arg.RV, Arg.Ty);
}
return;
@@ -1521,8 +1521,8 @@ static void EnterNewDeleteCleanup(CodeGe
AllocAlign);
for (unsigned I = 0, N = E->getNumPlacementArgs(); I != N; ++I) {
auto &Arg = NewArgs[I + NumNonPlacementArgs];
- Cleanup->setPlacementArg(
- I, DominatingValue<RValue>::save(CGF, Arg.getRValue(CGF)), Arg.Ty);
+ Cleanup->setPlacementArg(I, DominatingValue<RValue>::save(CGF, Arg.RV),
+ Arg.Ty);
}
CGF.initFullExprCleanup();
Modified: cfe/trunk/lib/CodeGen/CGGPUBuiltin.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGGPUBuiltin.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGGPUBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGGPUBuiltin.cpp Fri Mar 9 17:47:22 2018
@@ -83,9 +83,8 @@ CodeGenFunction::EmitNVPTXDevicePrintfCa
/* ParamsToSkip = */ 0);
// We don't know how to emit non-scalar varargs.
- if (std::any_of(Args.begin() + 1, Args.end(), [&](const CallArg &A) {
- return !A.getRValue(*this).isScalar();
- })) {
+ if (std::any_of(Args.begin() + 1, Args.end(),
+ [](const CallArg &A) { return !A.RV.isScalar(); })) {
CGM.ErrorUnsupported(E, "non-scalar arg to printf");
return RValue::get(llvm::ConstantInt::get(IntTy, 0));
}
@@ -98,7 +97,7 @@ CodeGenFunction::EmitNVPTXDevicePrintfCa
} else {
llvm::SmallVector<llvm::Type *, 8> ArgTypes;
for (unsigned I = 1, NumArgs = Args.size(); I < NumArgs; ++I)
- ArgTypes.push_back(Args[I].getRValue(*this).getScalarVal()->getType());
+ ArgTypes.push_back(Args[I].RV.getScalarVal()->getType());
// Using llvm::StructType is correct only because printf doesn't accept
// aggregates. If we had to handle aggregates here, we'd have to manually
@@ -110,7 +109,7 @@ CodeGenFunction::EmitNVPTXDevicePrintfCa
for (unsigned I = 1, NumArgs = Args.size(); I < NumArgs; ++I) {
llvm::Value *P = Builder.CreateStructGEP(AllocaTy, Alloca, I - 1);
- llvm::Value *Arg = Args[I].getRValue(*this).getScalarVal();
+ llvm::Value *Arg = Args[I].RV.getScalarVal();
Builder.CreateAlignedStore(Arg, P,
DL.getPrefTypeAlignment(Arg->getType()));
}
BufferPtr = Builder.CreatePointerCast(Alloca,
llvm::Type::getInt8PtrTy(Ctx));
@@ -118,6 +117,6 @@ CodeGenFunction::EmitNVPTXDevicePrintfCa
// Invoke vprintf and return.
llvm::Function* VprintfFunc = GetVprintfDeclaration(CGM.getModule());
- return RValue::get(Builder.CreateCall(
- VprintfFunc, {Args[0].getRValue(*this).getScalarVal(), BufferPtr}));
+ return RValue::get(
+ Builder.CreateCall(VprintfFunc, {Args[0].RV.getScalarVal(), BufferPtr}));
}
Modified: cfe/trunk/lib/CodeGen/CGObjCGNU.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGObjCGNU.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGObjCGNU.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGObjCGNU.cpp Fri Mar 9 17:47:22 2018
@@ -1441,7 +1441,7 @@ CGObjCGNU::GenerateMessageSend(CodeGenFu
}
// Reset the receiver in case the lookup modified it
- ActualArgs[0] = CallArg(RValue::get(Receiver), ASTIdTy);
+ ActualArgs[0] = CallArg(RValue::get(Receiver), ASTIdTy, false);
imp = EnforceType(Builder, imp, MSI.MessengerType);
Modified: cfe/trunk/lib/CodeGen/CGObjCMac.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGObjCMac.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGObjCMac.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGObjCMac.cpp Fri Mar 9 17:47:22 2018
@@ -1708,7 +1708,7 @@ struct NullReturnState {
e = Method->param_end(); i != e; ++i, ++I) {
const ParmVarDecl *ParamDecl = (*i);
if (ParamDecl->hasAttr<NSConsumedAttr>()) {
- RValue RV = I->getRValue(CGF);
+ RValue RV = I->RV;
assert(RV.isScalar() &&
"NullReturnState::complete - arg not on object");
CGF.EmitARCRelease(RV.getScalarVal(), ARCImpreciseLifetime);
@@ -7071,7 +7071,7 @@ CGObjCNonFragileABIMac::EmitVTableMessag
CGF.getPointerAlign());
// Update the message ref argument.
- args[1].setRValue(RValue::get(mref.getPointer()));
+ args[1].RV = RValue::get(mref.getPointer());
// Load the function to call from the message ref table.
Address calleeAddr =
Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)
+++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Fri Mar 9 17:47:22 2018
@@ -3896,10 +3896,10 @@ private:
void ExpandTypeFromArgs(QualType Ty, LValue Dst,
SmallVectorImpl<llvm::Value *>::iterator &AI);
- /// ExpandTypeToArgs - Expand an CallArg \arg Arg, with the LLVM type for
\arg
+ /// ExpandTypeToArgs - Expand an RValue \arg RV, with the LLVM type for \arg
/// Ty, into individual arguments on the provided vector \arg IRCallArgs,
/// starting at index \arg IRCallArgPos. See ABIArgInfo::Expand.
- void ExpandTypeToArgs(QualType Ty, CallArg Arg, llvm::FunctionType *IRFuncTy,
+ void ExpandTypeToArgs(QualType Ty, RValue RV, llvm::FunctionType *IRFuncTy,
SmallVectorImpl<llvm::Value *> &IRCallArgs,
unsigned &IRCallArgPos);
Modified: cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp Fri Mar 9 17:47:22 2018
@@ -1474,7 +1474,8 @@ CGCXXABI::AddedStructorArgs ItaniumCXXAB
llvm::Value *VTT =
CGF.GetVTTParameter(GlobalDecl(D, Type), ForVirtualBase, Delegating);
QualType VTTTy = getContext().getPointerType(getContext().VoidPtrTy);
- Args.insert(Args.begin() + 1, CallArg(RValue::get(VTT), VTTTy));
+ Args.insert(Args.begin() + 1,
+ CallArg(RValue::get(VTT), VTTTy, /*needscopy=*/false));
return AddedStructorArgs::prefix(1); // Added one arg.
}
Modified: cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp Fri Mar 9 17:47:22 2018
@@ -1538,7 +1538,8 @@ CGCXXABI::AddedStructorArgs MicrosoftCXX
}
RValue RV = RValue::get(MostDerivedArg);
if (FPT->isVariadic()) {
- Args.insert(Args.begin() + 1, CallArg(RV, getContext().IntTy));
+ Args.insert(Args.begin() + 1,
+ CallArg(RV, getContext().IntTy, /*needscopy=*/false));
return AddedStructorArgs::prefix(1);
}
Args.add(RV, getContext().IntTy);
Removed: cfe/trunk/test/CodeGenCXX/amdgcn-func-arg.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/amdgcn-func-arg.cpp?rev=327194&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/amdgcn-func-arg.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/amdgcn-func-arg.cpp (removed)
@@ -1,94 +0,0 @@
-// RUN: %clang_cc1 -O0 -triple amdgcn -emit-llvm %s -o - | FileCheck %s
-
-class A {
-public:
- int x;
- A():x(0) {}
- ~A() {}
-};
-
-class B {
-int x[100];
-};
-
-A g_a;
-B g_b;
-
-void func_with_ref_arg(A &a);
-void func_with_ref_arg(B &b);
-
-// CHECK-LABEL: define void @_Z22func_with_indirect_arg1A(%class.A
addrspace(5)* %a)
-// CHECK: %p = alloca %class.A*, align 8, addrspace(5)
-// CHECK: %[[r1:.+]] = addrspacecast %class.A* addrspace(5)* %p to %class.A**
-// CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %a to %class.A*
-// CHECK: store %class.A* %[[r0]], %class.A** %[[r1]], align 8
-void func_with_indirect_arg(A a) {
- A *p = &a;
-}
-
-// CHECK-LABEL: define void @_Z22test_indirect_arg_autov()
-// CHECK: %a = alloca %class.A, align 4, addrspace(5)
-// CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %a to %class.A*
-// CHECK: %agg.tmp = alloca %class.A, align 4, addrspace(5)
-// CHECK: %[[r1:.+]] = addrspacecast %class.A addrspace(5)* %agg.tmp to
%class.A*
-// CHECK: call void @_ZN1AC1Ev(%class.A* %[[r0]])
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-// CHECK: %[[r4:.+]] = addrspacecast %class.A* %[[r1]] to %class.A
addrspace(5)*
-// CHECK: call void @_Z22func_with_indirect_arg1A(%class.A addrspace(5)*
%[[r4]])
-// CHECK: call void @_ZN1AD1Ev(%class.A* %[[r1]])
-// CHECK: call void @_Z17func_with_ref_argR1A(%class.A* dereferenceable(4)
%[[r0]])
-// CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]])
-void test_indirect_arg_auto() {
- A a;
- func_with_indirect_arg(a);
- func_with_ref_arg(a);
-}
-
-// CHECK: define void @_Z24test_indirect_arg_globalv()
-// CHECK: %agg.tmp = alloca %class.A, align 4, addrspace(5)
-// CHECK: %[[r0:.+]] = addrspacecast %class.A addrspace(5)* %agg.tmp to
%class.A*
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-// CHECK: %[[r2:.+]] = addrspacecast %class.A* %[[r0]] to %class.A
addrspace(5)*
-// CHECK: call void @_Z22func_with_indirect_arg1A(%class.A addrspace(5)*
%[[r2]])
-// CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]])
-// CHECK: call void @_Z17func_with_ref_argR1A(%class.A* dereferenceable(4)
addrspacecast (%class.A addrspace(1)* @g_a to %class.A*))
-void test_indirect_arg_global() {
- func_with_indirect_arg(g_a);
- func_with_ref_arg(g_a);
-}
-
-// CHECK-LABEL: define void @_Z19func_with_byval_arg1B(%class.B addrspace(5)*
byval align 4 %b)
-// CHECK: %p = alloca %class.B*, align 8, addrspace(5)
-// CHECK: %[[r1:.+]] = addrspacecast %class.B* addrspace(5)* %p to %class.B**
-// CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %b to %class.B*
-// CHECK: store %class.B* %[[r0]], %class.B** %[[r1]], align 8
-void func_with_byval_arg(B b) {
- B *p = &b;
-}
-
-// CHECK-LABEL: define void @_Z19test_byval_arg_autov()
-// CHECK: %b = alloca %class.B, align 4, addrspace(5)
-// CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %b to %class.B*
-// CHECK: %agg.tmp = alloca %class.B, align 4, addrspace(5)
-// CHECK: %[[r1:.+]] = addrspacecast %class.B addrspace(5)* %agg.tmp to
%class.B*
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-// CHECK: %[[r4:.+]] = addrspacecast %class.B* %[[r1]] to %class.B
addrspace(5)*
-// CHECK: call void @_Z19func_with_byval_arg1B(%class.B addrspace(5)* byval
align 4 %[[r4]])
-// CHECK: call void @_Z17func_with_ref_argR1B(%class.B* dereferenceable(400)
%[[r0]])
-void test_byval_arg_auto() {
- B b;
- func_with_byval_arg(b);
- func_with_ref_arg(b);
-}
-
-// CHECK-LABEL: define void @_Z21test_byval_arg_globalv()
-// CHECK: %agg.tmp = alloca %class.B, align 4, addrspace(5)
-// CHECK: %[[r0:.+]] = addrspacecast %class.B addrspace(5)* %agg.tmp to
%class.B*
-// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
-// CHECK: %[[r2:.+]] = addrspacecast %class.B* %[[r0]] to %class.B
addrspace(5)*
-// CHECK: call void @_Z19func_with_byval_arg1B(%class.B addrspace(5)* byval
align 4 %[[r2]])
-// CHECK: call void @_Z17func_with_ref_argR1B(%class.B* dereferenceable(400)
addrspacecast (%class.B addrspace(1)* @g_b to %class.B*))
-void test_byval_arg_global() {
- func_with_byval_arg(g_b);
- func_with_ref_arg(g_b);
-}
Modified: cfe/trunk/test/CodeGenOpenCL/addr-space-struct-arg.cl
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/addr-space-struct-arg.cl?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/addr-space-struct-arg.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/addr-space-struct-arg.cl Fri Mar 9 17:47:22
2018
@@ -1,6 +1,5 @@
// RUN: %clang_cc1 %s -emit-llvm -o - -O0 -finclude-default-header
-ffake-address-space-map -triple i686-pc-darwin | FileCheck -enable-var-scope
-check-prefixes=COM,X86 %s
-// RUN: %clang_cc1 %s -emit-llvm -o - -O0 -finclude-default-header -triple
amdgcn | FileCheck -enable-var-scope -check-prefixes=COM,AMDGCN %s
-// RUN: %clang_cc1 %s -emit-llvm -o - -cl-std=CL2.0 -O0
-finclude-default-header -triple amdgcn | FileCheck -enable-var-scope
-check-prefixes=COM,AMDGCN,AMDGCN20 %s
+// RUN: %clang_cc1 %s -emit-llvm -o - -O0 -finclude-default-header -triple
amdgcn-amdhsa-amd | FileCheck -enable-var-scope -check-prefixes=COM,AMDGCN %s
typedef struct {
int cells[9];
@@ -36,9 +35,6 @@ struct LargeStructTwoMember {
int2 y[20];
};
-#if __OPENCL_C_VERSION__ >= 200
-struct LargeStructOneMember g_s;
-#endif
// X86-LABEL: define void @foo(%struct.Mat4X4* noalias sret %agg.result,
%struct.Mat3X3* byval align 4 %in)
// AMDGCN-LABEL: define %struct.Mat4X4 @foo([9 x i32] %in.coerce)
@@ -84,42 +80,10 @@ void FuncOneMember(struct StructOneMembe
}
// AMDGCN-LABEL: define void @FuncOneLargeMember(%struct.LargeStructOneMember
addrspace(5)* byval align 8 %u)
-// AMDGCN-NOT: addrspacecast
-// AMDGCN: store <2 x i32> %{{.*}}, <2 x i32> addrspace(5)*
void FuncOneLargeMember(struct LargeStructOneMember u) {
u.x[0] = (int2)(0, 0);
}
-// AMDGCN20-LABEL: define void @test_indirect_arg_globl()
-// AMDGCN20: %[[byval_temp:.*]] = alloca %struct.LargeStructOneMember, align
8, addrspace(5)
-// AMDGCN20: %[[r0:.*]] = bitcast %struct.LargeStructOneMember addrspace(5)*
%[[byval_temp]] to i8 addrspace(5)*
-// AMDGCN20: call void @llvm.memcpy.p5i8.p1i8.i64(i8 addrspace(5)* align 8
%[[r0]], i8 addrspace(1)* align 8 bitcast (%struct.LargeStructOneMember
addrspace(1)* @g_s to i8 addrspace(1)*), i64 800, i1 false)
-// AMDGCN20: call void @FuncOneLargeMember(%struct.LargeStructOneMember
addrspace(5)* byval align 8 %[[byval_temp]])
-#if __OPENCL_C_VERSION__ >= 200
-void test_indirect_arg_globl(void) {
- FuncOneLargeMember(g_s);
-}
-#endif
-
-// AMDGCN-LABEL: define amdgpu_kernel void @test_indirect_arg_local()
-// AMDGCN: %[[byval_temp:.*]] = alloca %struct.LargeStructOneMember, align 8,
addrspace(5)
-// AMDGCN: %[[r0:.*]] = bitcast %struct.LargeStructOneMember addrspace(5)*
%[[byval_temp]] to i8 addrspace(5)*
-// AMDGCN: call void @llvm.memcpy.p5i8.p3i8.i64(i8 addrspace(5)* align 8
%[[r0]], i8 addrspace(3)* align 8 bitcast (%struct.LargeStructOneMember
addrspace(3)* @test_indirect_arg_local.l_s to i8 addrspace(3)*), i64 800, i1
false)
-// AMDGCN: call void @FuncOneLargeMember(%struct.LargeStructOneMember
addrspace(5)* byval align 8 %[[byval_temp]])
-kernel void test_indirect_arg_local(void) {
- local struct LargeStructOneMember l_s;
- FuncOneLargeMember(l_s);
-}
-
-// AMDGCN-LABEL: define void @test_indirect_arg_private()
-// AMDGCN: %[[p_s:.*]] = alloca %struct.LargeStructOneMember, align 8,
addrspace(5)
-// AMDGCN-NOT: @llvm.memcpy
-// AMDGCN-NEXT: call void @FuncOneLargeMember(%struct.LargeStructOneMember
addrspace(5)* byval align 8 %[[p_s]])
-void test_indirect_arg_private(void) {
- struct LargeStructOneMember p_s;
- FuncOneLargeMember(p_s);
-}
-
// AMDGCN-LABEL: define amdgpu_kernel void @KernelOneMember
// AMDGCN-SAME: (<2 x i32> %[[u_coerce:.*]])
// AMDGCN: %[[u:.*]] = alloca %struct.StructOneMember, align 8, addrspace(5)
@@ -148,6 +112,7 @@ void FuncLargeTwoMember(struct LargeStru
u.y[0] = (int2)(0, 0);
}
+
// AMDGCN-LABEL: define amdgpu_kernel void @KernelTwoMember
// AMDGCN-SAME: (%struct.StructTwoMember %[[u_coerce:.*]])
// AMDGCN: %[[u:.*]] = alloca %struct.StructTwoMember, align 8, addrspace(5)
Modified: cfe/trunk/test/CodeGenOpenCL/byval.cl
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/byval.cl?rev=327195&r1=327194&r2=327195&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/byval.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/byval.cl Fri Mar 9 17:47:22 2018
@@ -1,4 +1,5 @@
// RUN: %clang_cc1 -emit-llvm -o - -triple amdgcn %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple amdgcn---opencl %s | FileCheck %s
struct A {
int x[100];
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