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SymbolRewriter: prevent unnecessary rewrite

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The rewrite for the pattern based rewrite is unnecessary if the existing name
matches the pattern.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227260 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2015-01-27 22:57:35 +00:00
parent 0f9950ed0c
commit a999807716
1 changed files with 3 additions and 0 deletions
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3
lib/Transforms/Utils/SymbolRewriter.cpp
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@ -145,6 +145,9 @@ performOnModule(Module &M) {
report_fatal_error("unable to transforn " + C.getName() + " in " +
M.getModuleIdentifier() + ": " + Error);
if (C.getName() == Name)
continue;
if (Value *V = (M.*Get)(Name))
C.setValueName(V->getValueName());
else