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Refactor function that checks that __builtin_returnaddress's argument is constant.

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This moves the check up into the parent class so that all targets can use it
without having to copy (and keep in sync) the same error message.

llvm-svn: 198579
This commit is contained in:
Bill Wendling 2014-01-06 00:43:20 +00:00
parent 5cc1d930e7
commit c3b5643da4
10 changed files with 24 additions and 32 deletions
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4
include/llvm/Target/TargetLowering.h
View File

@ -2164,6 +2164,10 @@ public:
return 0;
}
bool verifyReturnAddressArgumentIsConstant(SDValue Op,
SelectionDAG &DAG) const;
//===--------------------------------------------------------------------===//
// Inline Asm Support hooks
//

12
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -22,6 +22,7 @@
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/Support/CommandLine.h"
@ -2663,3 +2664,14 @@ BuildUDIV(SDNode *N, SelectionDAG &DAG, bool IsAfterLegalization,
DAG.getConstant(magics.s-1, getShiftAmountTy(NPQ.getValueType())));
}
}
bool TargetLowering::
verifyReturnAddressArgumentIsConstant(SDValue Op, SelectionDAG &DAG) const {
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
return true;
}
return false;
}

5
lib/Target/AArch64/AArch64ISelLowering.cpp
View File

@ -2132,11 +2132,8 @@ SDValue AArch64TargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) co
MachineFrameInfo *MFI = MF.getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
EVT VT = Op.getValueType();
SDLoc dl(Op);

5
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -3753,11 +3753,8 @@ SDValue ARMTargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const{
MachineFrameInfo *MFI = MF.getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
EVT VT = Op.getValueType();
SDLoc dl(Op);

5
lib/Target/Hexagon/HexagonISelLowering.cpp
View File

@ -982,11 +982,8 @@ HexagonTargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const {
MachineFrameInfo *MFI = MF.getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
EVT VT = Op.getValueType();
SDLoc dl(Op);

5
lib/Target/MSP430/MSP430ISelLowering.cpp
View File

@ -1048,11 +1048,8 @@ SDValue MSP430TargetLowering::LowerRETURNADDR(SDValue Op,
MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
SDLoc dl(Op);

5
lib/Target/Mips/MipsISelLowering.cpp
View File

@ -1845,11 +1845,8 @@ lowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const {
SDValue MipsTargetLowering::lowerRETURNADDR(SDValue Op,
SelectionDAG &DAG) const {
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
// check the depth
assert((cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() == 0) &&

5
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -7796,11 +7796,8 @@ SDValue PPCTargetLowering::LowerRETURNADDR(SDValue Op,
MachineFrameInfo *MFI = MF.getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
SDLoc dl(Op);
unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();

5
lib/Target/Sparc/SparcISelLowering.cpp
View File

@ -2471,11 +2471,8 @@ static SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG,
MachineFrameInfo *MFI = MF.getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (TLI.verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
EVT VT = Op.getValueType();
SDLoc dl(Op);

5
lib/Target/X86/X86ISelLowering.cpp
View File

@ -12173,11 +12173,8 @@ SDValue X86TargetLowering::LowerRETURNADDR(SDValue Op,
MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
MFI->setReturnAddressIsTaken(true);
if (!isa<ConstantSDNode>(Op.getOperand(0))) {
DAG.getContext()->emitError("argument to '__builtin_return_address' must "
"be a constant integer");
if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
}
unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
SDLoc dl(Op);