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| author | Devang Patel <dpatel@apple.com> | 2011-02-04 22:57:18 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-02-04 22:57:18 +0000 |
| commit | 116a9d7c38b0a9c488a2ff85dacacb962a72b713 (patch) | |
| tree | a65568f01b22a6efdc4b596e1e836e3d06f60d4d /llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | d650b3048856a600e8e0642c0438c1b984c9645d (diff) | |
| download | bcm5719-llvm-116a9d7c38b0a9c488a2ff85dacacb962a72b713.tar.gz bcm5719-llvm-116a9d7c38b0a9c488a2ff85dacacb962a72b713.zip | |
Merge .debug_loc entries whenever possible to reduce debug_loc size.
llvm-svn: 124904
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index d8c15fb5fb6..0ecb3dfd196 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -3580,6 +3580,14 @@ void DwarfDebug::emitDebugLoc() { if (DotDebugLocEntries.empty()) return; + for (SmallVector<DotDebugLocEntry, 4>::iterator + I = DotDebugLocEntries.begin(), E = DotDebugLocEntries.end(); + I != E; ++I) { + DotDebugLocEntry &Entry = *I; + if (I + 1 != DotDebugLocEntries.end()) + Entry.Merge(I+1); + } + // Start the dwarf loc section. Asm->OutStreamer.SwitchSection( Asm->getObjFileLowering().getDwarfLocSection()); @@ -3589,7 +3597,8 @@ void DwarfDebug::emitDebugLoc() { for (SmallVector<DotDebugLocEntry, 4>::iterator I = DotDebugLocEntries.begin(), E = DotDebugLocEntries.end(); I != E; ++I, ++index) { - DotDebugLocEntry Entry = *I; + DotDebugLocEntry &Entry = *I; + if (Entry.isMerged()) continue; if (Entry.isEmpty()) { Asm->OutStreamer.EmitIntValue(0, Size, /*addrspace*/0); Asm->OutStreamer.EmitIntValue(0, Size, /*addrspace*/0); |
