[llvm-commits] CVS: llvm/lib/Transforms/IPO/LowerSetJmp.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/IPO:

LowerSetJmp.cpp updated: 1.6 -> 1.7

---
Log message:

Use external df iterators to avoid revisiting blocks in functions with
multiple setjmp calls.


---
Diffs of the changes:  (+3 -1)

Index: llvm/lib/Transforms/IPO/LowerSetJmp.cpp
diff -u llvm/lib/Transforms/IPO/LowerSetJmp.cpp:1.6 llvm/lib/Transforms/IPO/LowerSetJmp.cpp:1.7
--- llvm/lib/Transforms/IPO/LowerSetJmp.cpp:1.6	Sun Oct 12 20:02:33 2003
+++ llvm/lib/Transforms/IPO/LowerSetJmp.cpp	Mon Oct 13 11:44:50 2003
@@ -137,7 +137,9 @@
     for (Value::use_iterator B = SetJmp->use_begin(), E = SetJmp->use_end();
          B != E; ++B) {
       BasicBlock* BB = cast<Instruction>(*B)->getParent();
-      DFSBlocks.insert(df_begin(BB), df_end(BB));
+      for (df_ext_iterator<BasicBlock*> I = df_ext_begin(BB, BBSet),
+             E = df_ext_end(BB, BBSet); I != E; ++I)
+        /* empty */;
     }
 
     while (!SetJmp->use_empty()) {