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Use StringRef which performs the "early exit" when compared against a constant

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string.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113615 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2010-09-10 20:42:26 +00:00
parent 4bafda9618
commit f9e49e86ee
1 changed files with 1 additions and 6 deletions
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7
lib/VMCore/AutoUpgrade.cpp
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@ -366,12 +366,7 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
}
bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) {
const std::string &Name = GV->getName();
// Early exit with simple tests.
if (Name.length() != 24 || Name[0] != '.' || Name[1] != 'l' ||
Name[3] != 'l' || Name[4] != 'v' || Name[5] != 'm' || Name[6] != '.')
return false;
StringRef Name(GV->getName());
// We are only upgrading one symbol here.
if (Name == ".llvm.eh.catch.all.value") {