[llvm-commits] [llvm-gcc-4.2] r49253 - /llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

[Dale Johannesen]

Author: johannes
Date: Sat Apr  5 13:41:27 2008
New Revision: 49253

URL: http://llvm.org/viewvc/llvm-project?rev=49253&view=rev
Log:
Don't remove "unused" EH info when -funwind-tables is on;
this is an indication that the unwind info is not for
exceptions but for something else, so the compiler
shouldn't remove it.


Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp?rev=49253&r1=49252&r2=49253&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-backend.cpp Sat Apr  5 13:41:27 2008
@@ -351,7 +351,7 @@
     // DISABLE PREDSIMPLIFY UNTIL PR967 is fixed.
     //PM->add(createPredicateSimplifierPass());   // Canonicalize registers
     PM->add(createCFGSimplificationPass());       // Clean up after IPCP & DAE
-    if (flag_unit_at_a_time)
+    if (flag_unit_at_a_time && !flag_unwind_tables)
       PM->add(createPruneEHPass());               // Remove dead EH info
 
     if (optimize > 1) {