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[CodeGen] Add another method to CFIInstBuilder #136270

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Merged
merged 1 commit into from
Apr 18, 2025
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[CodeGen] Add another method to CFIInstBuilder #136270

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4 changes: 4 additions & 0 deletions llvm/include/llvm/CodeGen/CFIInstBuilder.h
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,10 @@ class CFIInstBuilder {
insertCFIInst(MCCFIInstruction::cfiDefCfaOffset(nullptr, Offset));
}

void buildAdjustCFAOffset(int64_t Adjustment) const {
insertCFIInst(MCCFIInstruction::createAdjustCfaOffset(nullptr, Adjustment));
}

void buildOffset(MCRegister Reg, int64_t Offset) const {
insertCFIInst(MCCFIInstruction::createOffset(
nullptr, TRI.getDwarfRegNum(Reg, IsEH), Offset));
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6 changes: 3 additions & 3 deletions llvm/lib/Target/MSP430/MSP430FrameLowering.cpp
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Expand Up @@ -14,6 +14,7 @@
#include "MSP430InstrInfo.h"
#include "MSP430MachineFunctionInfo.h"
#include "MSP430Subtarget.h"
#include "llvm/CodeGen/CFIInstBuilder.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
Expand Down Expand Up @@ -406,9 +407,8 @@ MachineBasicBlock::iterator MSP430FrameLowering::eliminateCallFramePseudoInstr(
.addReg(MSP430::SP)
.addImm(CalleeAmt);
if (!hasFP(MF)) {
DebugLoc DL = I->getDebugLoc();
BuildCFI(MBB, I, DL,
MCCFIInstruction::createAdjustCfaOffset(nullptr, CalleeAmt));
CFIInstBuilder(MBB, I, MachineInstr::NoFlags)
.buildAdjustCFAOffset(CalleeAmt);
}
// The SRW implicit def is dead.
New->getOperand(3).setIsDead();
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