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Don't produce a "DW_CFA_advance_loc 0".

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122609 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2010-12-28 23:38:03 +00:00
parent 438e25ccdc
commit 3b78cdc57a
2 changed files with 50 additions and 1 deletions
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3
lib/MC/MCDwarf.cpp
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@ -780,7 +780,8 @@ void MCDwarfFrameEmitter::EmitAdvanceLoc(MCStreamer &Streamer,
void MCDwarfFrameEmitter::EncodeAdvanceLoc(uint64_t AddrDelta,
raw_ostream &OS) {
// FIXME: Assumes the code alignment factor is 1.
if (isUIntN(6, AddrDelta)) {
if (AddrDelta == 0) {
} else if (isUIntN(6, AddrDelta)) {
uint8_t Opcode = dwarf::DW_CFA_advance_loc | AddrDelta;
OS << Opcode;
} else if (isUInt<8>(AddrDelta)) {