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authorChris Lattner <sabre@nondot.org>2008-12-01 03:58:38 +0000
committerChris Lattner <sabre@nondot.org>2008-12-01 03:58:38 +0000
commit11240d0fdd4e26b9035ccb31fe1f962580cdb19b (patch)
treea140ab53f2e466c7a594c0266a615ccc50c7ea85
parent38b3dcc4651606c683d864f11cd27852810f3936 (diff)
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The PreVerifier pass preserves everything. In practice, this
prevents the passmgr from adding yet-another domtree invocation for Verifier if there is already one live. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60326 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/VMCore/Verifier.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index 3662941..27c640e 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -72,6 +72,10 @@ namespace { // Anonymous namespace for class
PreVerifier() : FunctionPass(&ID) { }
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ }
+
// Check that the prerequisites for successful DominatorTree construction
// are satisfied.
bool runOnFunction(Function &F) {