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Early exit with simple checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113603 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -368,9 +368,12 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
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bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) {
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const std::string &Name = GV->getName();
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// We are only upgrading one symbol here. If we upgrade more, we will want to
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// perform some sort of short-circuiting like in the
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// "UpgradeIntrinsicFunction1" function.
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// Early exit with simple tests.
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if (Name.length() != 24 || Name[0] != '.' || Name[1] != 'l' ||
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Name[3] != 'l' || Name[4] != 'v' || Name[5] != 'm' || Name[6] != '.')
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return false;
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// We are only upgrading one symbol here.
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if (Name == ".llvm.eh.catch.all.value") {
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GV->setName("llvm.eh.catch.all.value");
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return true;
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