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

Browse Source 
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2014-01-06 00:43:20 +00:00
parent 7f10681985
commit 4644d79871
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);