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SymbolRewriter: prevent unnecessary rewrite 

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

llvm-svn: 227260
This commit is contained in:
Saleem Abdulrasool 2015-01-27 22:57:35 +00:00
parent dd88e86b57
commit 9769b18cba
1 changed files with 3 additions and 0 deletions
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3
llvm/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 " + report_fatal_error("unable to transforn " + C.getName() + " in " +
M.getModuleIdentifier() + ": " + Error); M.getModuleIdentifier() + ": " + Error);
if (C.getName() == Name)
continue;
if (Value *V = (M.*Get)(Name)) if (Value *V = (M.*Get)(Name))
C.setValueName(V->getValueName()); C.setValueName(V->getValueName());
else else