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| author | Devang Patel <dpatel@apple.com> | 2008-03-18 00:39:19 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2008-03-18 00:39:19 +0000 |
| commit | 864970e9b629e34e39f1a8b80c01d196ebf706de (patch) | |
| tree | ffe44f7fdef61737d3e6c236ff45cc4922a2b1ce /llvm/lib/Analysis/LoadValueNumbering.cpp | |
| parent | 924ca7f01d4670682d4e68222e06e7ed6bc1fbad (diff) | |
| download | bcm5719-llvm-864970e9b629e34e39f1a8b80c01d196ebf706de.tar.gz bcm5719-llvm-864970e9b629e34e39f1a8b80c01d196ebf706de.zip | |
Identify Analysis pass.
Do not run analysis pass again if analysis info is still available.
This fixes PR1441.
llvm-svn: 48476
Diffstat (limited to 'llvm/lib/Analysis/LoadValueNumbering.cpp')
| -rw-r--r-- | llvm/lib/Analysis/LoadValueNumbering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/LoadValueNumbering.cpp b/llvm/lib/Analysis/LoadValueNumbering.cpp index 0a2f36be47f..6dd55a4a35f 100644 --- a/llvm/lib/Analysis/LoadValueNumbering.cpp +++ b/llvm/lib/Analysis/LoadValueNumbering.cpp @@ -43,6 +43,9 @@ namespace { static char ID; // Class identification, replacement for typeinfo LoadVN() : FunctionPass((intptr_t)&ID) {} + /// isAnalysis - Return true if this pass is implementing an analysis pass. + virtual bool isAnalysis() const { return true; } + /// Pass Implementation stuff. This doesn't do any analysis. /// bool runOnFunction(Function &) { return false; } |
