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[ARM] Remove dead function ARMMCCodeEmitter::getSOImmOpValue

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The last reference to this function was removed from the ARM
td files in 2015 in rL225266.

Differential Revision: https://reviews.llvm.org/D59868

llvm-svn: 357130
This commit is contained in:
Sam Clegg 2019-03-27 23:00:12 +00:00
parent 3f6893b15c
commit f16a930d4a
1 changed files with 0 additions and 34 deletions
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34
lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
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@ -282,40 +282,6 @@ public:
return MI.getOperand(Op).getReg() == ARM::CPSR;
}
/// getSOImmOpValue - Return an encoded 12-bit shifted-immediate value.
unsigned getSOImmOpValue(const MCInst &MI, unsigned Op,
SmallVectorImpl<MCFixup> &Fixups,
const MCSubtargetInfo &STI) const {
const MCOperand &MO = MI.getOperand(Op);
// We expect MO to be an immediate or an expression,
// if it is an immediate - that's fine, just encode the value.
// Otherwise - create a Fixup.
if (MO.isExpr()) {
const MCExpr *Expr = MO.getExpr();
// In instruction code this value always encoded as lowest 12 bits,
// so we don't have to perform any specific adjustments.
// Due to requirements of relocatable records we have to use FK_Data_4.
// See ARMELFObjectWriter::ExplicitRelSym and
// ARMELFObjectWriter::GetRelocTypeInner for more details.
MCFixupKind Kind = MCFixupKind(FK_Data_4);
Fixups.push_back(MCFixup::create(0, Expr, Kind, MI.getLoc()));
return 0;
}
unsigned SoImm = MO.getImm();
int SoImmVal = ARM_AM::getSOImmVal(SoImm);
assert(SoImmVal != -1 && "Not a valid so_imm value!");
// Encode rotate_imm.
unsigned Binary = (ARM_AM::getSOImmValRot((unsigned)SoImmVal) >> 1)
<< ARMII::SoRotImmShift;
// Encode immed_8.
Binary |= ARM_AM::getSOImmValImm((unsigned)SoImmVal);
return Binary;
}
unsigned getModImmOpValue(const MCInst &MI, unsigned Op,
SmallVectorImpl<MCFixup> &Fixups,
const MCSubtargetInfo &ST) const {