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Move emission of the debug string table to early in the debug

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info finalization to greatly reduce the number of fixups that the
assembler has to handle in order to improve compile time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191119 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2013-09-20 23:22:52 +00:00
parent d93e8a06b2
commit 9e0b08dd20
6 changed files with 59 additions and 35 deletions
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14
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -313,10 +313,12 @@ static StringRef getObjCMethodName(StringRef In) {
}
// Add the various names to the Dwarf accelerator table names.
// TODO: Determine whether or not we should add names for programs
// that do not have a DW_AT_name or DW_AT_linkage_name field - this
// is only slightly different than the lookup of non-standard ObjC names.
static void addSubprogramNames(CompileUnit *TheCU, DISubprogram SP,
DIE* Die) {
if (!SP.isDefinition()) return;
TheCU->addAccelName(SP.getName(), Die);
// If the linkage name is different than the name, go ahead and output
@ -1126,6 +1128,8 @@ void DwarfDebug::endModule() {
finalizeModuleInfo();
if (!useSplitDwarf()) {
emitDebugStr();
// Emit all the DIEs into a debug info section.
emitDebugInfo();
@ -1147,6 +1151,9 @@ void DwarfDebug::endModule() {
} else {
// TODO: Fill this in for separated debug sections and separate
// out information into new sections.
emitDebugStr();
if (useSplitDwarf())
emitDebugStrDWO();
// Emit the debug info section and compile units.
emitDebugInfo();
@ -1187,11 +1194,6 @@ void DwarfDebug::endModule() {
emitDebugPubTypes(GenerateGnuPubSections);
}
// Finally emit string information into a string table.
emitDebugStr();
if (useSplitDwarf())
emitDebugStrDWO();
// clean up.
SPMap.clear();
for (DenseMap<const MDNode *, CompileUnit *>::iterator I = CUMap.begin(),