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Use external df iterators to avoid revisiting blocks in functions with
author
Chris Lattner
<sabre@nondot.org>
Mon, 13 Oct 2003 16:44:50 +0000
(16:44 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Mon, 13 Oct 2003 16:44:50 +0000
(16:44 +0000)
multiple setjmp calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9093
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/IPO/LowerSetJmp.cpp
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diff --git
a/lib/Transforms/IPO/LowerSetJmp.cpp
b/lib/Transforms/IPO/LowerSetJmp.cpp
index
36f06bd
..
5be2514
100644
(file)
--- a/
lib/Transforms/IPO/LowerSetJmp.cpp
+++ b/
lib/Transforms/IPO/LowerSetJmp.cpp
@@
-137,7
+137,9
@@
bool LowerSetJmp::run(Module& M)
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()) {