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| author | Chris Lattner <sabre@nondot.org> | 2003-10-13 16:44:50 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-10-13 16:44:50 +0000 |
| commit | 46e033d28d3d3f883432754ee65ce66b49b17874 (patch) | |
| tree | 666f37295c64453af96113c2abea43ddda6ebd09 /lib/Transforms/IPO/LowerSetJmp.cpp | |
| parent | 1e79609e304a24e0cad68534ddf3371479d33b86 (diff) | |
| download | llvm-46e033d28d3d3f883432754ee65ce66b49b17874.tar.gz llvm-46e033d28d3d3f883432754ee65ce66b49b17874.tar.bz2 llvm-46e033d28d3d3f883432754ee65ce66b49b17874.tar.xz | |
Use external df iterators to avoid revisiting blocks in functions with
multiple setjmp calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9093 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/IPO/LowerSetJmp.cpp')
| -rw-r--r-- | lib/Transforms/IPO/LowerSetJmp.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/LowerSetJmp.cpp b/lib/Transforms/IPO/LowerSetJmp.cpp index 36f06bd607..5be2514a4e 100644 --- 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()) { |