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Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-10-06 00:03:14 +00:00
parent ffd9c3dd4a
commit 6f3dc920b0
1 changed files with 1 additions and 10 deletions
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11
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1671,15 +1671,6 @@ void DwarfDebug::BeginModule(Module *M, MachineModuleInfo *mmi) {
if (!ModuleCU) if (!ModuleCU)
ModuleCU = CompileUnits[0]; ModuleCU = CompileUnits[0];
// If there is not any debug info available for any global variables and any
// subprograms then there is not any debug info to emit.
if (DbgFinder.global_variable_count() == 0
&& DbgFinder.subprogram_count() == 0) {
if (TimePassesIsEnabled)
DebugTimer->stopTimer();
return;
}
// Create DIEs for each of the externally visible global variables. // Create DIEs for each of the externally visible global variables.
for (DebugInfoFinder::iterator I = DbgFinder.global_variable_begin(), for (DebugInfoFinder::iterator I = DbgFinder.global_variable_begin(),
E = DbgFinder.global_variable_end(); I != E; ++I) { E = DbgFinder.global_variable_end(); I != E; ++I) {
@ -1728,7 +1719,7 @@ void DwarfDebug::BeginModule(Module *M, MachineModuleInfo *mmi) {
/// EndModule - Emit all Dwarf sections that should come after the content. /// EndModule - Emit all Dwarf sections that should come after the content.
/// ///
void DwarfDebug::EndModule() { void DwarfDebug::EndModule() {
if (!ShouldEmitDwarfDebug()) if (!ModuleCU)
return; return;
if (TimePassesIsEnabled) if (TimePassesIsEnabled)