diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/DeadTypeElimination.cpp | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/llvm/lib/Transforms/IPO/DeadTypeElimination.cpp b/llvm/lib/Transforms/IPO/DeadTypeElimination.cpp index 842bc58b296..58fe7f0a595 100644 --- a/llvm/lib/Transforms/IPO/DeadTypeElimination.cpp +++ b/llvm/lib/Transforms/IPO/DeadTypeElimination.cpp @@ -74,7 +74,11 @@ bool DTE::run(Module &M) { // Loop over all entries in the type plane... SymbolTable::VarMap &Plane = STI->second; for (SymbolTable::VarMap::iterator PI = Plane.begin(); PI != Plane.end();) - if (ShouldNukeSymtabEntry(*PI)) { // Should we remove this entry? + // If this entry should be unconditionally removed, or if we detect that + // the type is not used, remove it. + // + if (ShouldNukeSymtabEntry(*PI) || + !UsedTypes.count(cast<Type>(PI->second))) { #if MAP_IS_NOT_BRAINDEAD PI = Plane.erase(PI); // STD C++ Map should support this! #else @@ -83,15 +87,6 @@ bool DTE::run(Module &M) { #endif ++NumKilled; Changed = true; - } else if (!UsedTypes.count(cast<Type>(PI->second))) { -#if MAP_IS_NOT_BRAINDEAD - PI = Plane.erase(PI); // STD C++ Map should support this! -#else - Plane.erase(PI); // Alas, GCC 2.95.3 doesn't *SIGH* - PI = Plane.begin(); // N^2 algorithms are fun. :( -#endif - ++NumKilled; - Changed = true; } else { ++PI; } |
