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-rw-r--r--llvm/lib/MC/MCDwarf.cpp40
1 files changed, 6 insertions, 34 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp
index 8456b3421bc..aae6fdf9093 100644
--- a/llvm/lib/MC/MCDwarf.cpp
+++ b/llvm/lib/MC/MCDwarf.cpp
@@ -1897,54 +1897,26 @@ void MCDwarfFrameEmitter::EmitAdvanceLoc(MCObjectStreamer &Streamer,
}
void MCDwarfFrameEmitter::EncodeAdvanceLoc(MCContext &Context,
- uint64_t AddrDelta, raw_ostream &OS,
- uint32_t *Offset, uint32_t *Size) {
+ uint64_t AddrDelta,
+ raw_ostream &OS) {
// Scale the address delta by the minimum instruction length.
AddrDelta = ScaleAddrDelta(Context, AddrDelta);
- bool WithFixups = false;
- if (Offset && Size)
- WithFixups = true;
-
support::endianness E =
Context.getAsmInfo()->isLittleEndian() ? support::little : support::big;
if (AddrDelta == 0) {
- if (WithFixups) {
- *Offset = 0;
- *Size = 0;
- }
} else if (isUIntN(6, AddrDelta)) {
uint8_t Opcode = dwarf::DW_CFA_advance_loc | AddrDelta;
- if (WithFixups) {
- *Offset = OS.tell();
- *Size = 6;
- OS << uint8_t(dwarf::DW_CFA_advance_loc);
- } else
- OS << Opcode;
+ OS << Opcode;
} else if (isUInt<8>(AddrDelta)) {
OS << uint8_t(dwarf::DW_CFA_advance_loc1);
- if (WithFixups) {
- *Offset = OS.tell();
- *Size = 8;
- OS.write_zeros(1);
- } else
- OS << uint8_t(AddrDelta);
+ OS << uint8_t(AddrDelta);
} else if (isUInt<16>(AddrDelta)) {
OS << uint8_t(dwarf::DW_CFA_advance_loc2);
- if (WithFixups) {
- *Offset = OS.tell();
- *Size = 16;
- OS.write_zeros(2);
- } else
- support::endian::write<uint16_t>(OS, AddrDelta, E);
+ support::endian::write<uint16_t>(OS, AddrDelta, E);
} else {
assert(isUInt<32>(AddrDelta));
OS << uint8_t(dwarf::DW_CFA_advance_loc4);
- if (WithFixups) {
- *Offset = OS.tell();
- *Size = 32;
- OS.write_zeros(4);
- } else
- support::endian::write<uint32_t>(OS, AddrDelta, E);
+ support::endian::write<uint32_t>(OS, AddrDelta, E);
}
}
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