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Use external df iterators to avoid revisiting blocks in functions with

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multiple setjmp calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9093 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-10-13 16:44:50 +00:00
parent 1e79609e30
commit 46e033d28d
1 changed files with 3 additions and 1 deletions
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4
lib/Transforms/IPO/LowerSetJmp.cpp
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@ -137,7 +137,9 @@ bool LowerSetJmp::run(Module& M)
for (Value::use_iterator B = SetJmp->use_begin(), E = SetJmp->use_end(); for (Value::use_iterator B = SetJmp->use_begin(), E = SetJmp->use_end();
B != E; ++B) { B != E; ++B) {
BasicBlock* BB = cast<Instruction>(*B)->getParent(); 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()) { while (!SetJmp->use_empty()) {