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| author | Bill Wendling <isanbard@gmail.com> | 2010-09-10 19:06:58 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-09-10 19:06:58 +0000 |
| commit | ebd3e5f4cc8656191ee56c028930c0092815518f (patch) | |
| tree | 386b402d2f1f2fd6e7017b65eac6eb5ccfaad4de /lib | |
| parent | de49f360ec4780acb382a3ae923d1716fdb0dc03 (diff) | |
| download | llvm-ebd3e5f4cc8656191ee56c028930c0092815518f.tar.gz llvm-ebd3e5f4cc8656191ee56c028930c0092815518f.tar.bz2 llvm-ebd3e5f4cc8656191ee56c028930c0092815518f.tar.xz | |
Early exit with simple checks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113603 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index 3908e8aed6..2eeb35414a 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -368,9 +368,12 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) { bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) { const std::string &Name = GV->getName(); - // We are only upgrading one symbol here. If we upgrade more, we will want to - // perform some sort of short-circuiting like in the - // "UpgradeIntrinsicFunction1" function. + // 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; + + // We are only upgrading one symbol here. if (Name == ".llvm.eh.catch.all.value") { GV->setName("llvm.eh.catch.all.value"); return true; |