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| author | Anders Carlsson <andersca@mac.com> | 2011-03-22 03:21:01 +0000 |
|---|---|---|
| committer | Anders Carlsson <andersca@mac.com> | 2011-03-22 03:21:01 +0000 |
| commit | 807bc2a3814bb45b38702785ad9978153d176698 (patch) | |
| tree | aadc138045b080f226453e634e6553918b4afeae | |
| parent | cb3c5d8e3ede2e2249cd0f5ba1313fe2221126a5 (diff) | |
| download | llvm-807bc2a3814bb45b38702785ad9978153d176698.tar.gz llvm-807bc2a3814bb45b38702785ad9978153d176698.tar.bz2 llvm-807bc2a3814bb45b38702785ad9978153d176698.tar.xz | |
Handle another case that Frits suggested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128068 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/IPO/GlobalOpt.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 7f69aeb0d0..0087362e33 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -2746,11 +2746,13 @@ static bool cxxDtorIsEmpty(const Function &Fn, if (!CalledFn) return false; + SmallPtrSet<const Function *, 8> NewCalledFunctions(CalledFunctions); + // Don't treat recursive functions as empty. - if (!CalledFunctions.insert(CalledFn)) + if (!NewCalledFunctions.insert(CalledFn)) return false; - if (!cxxDtorIsEmpty(*CalledFn, CalledFunctions)) + if (!cxxDtorIsEmpty(*CalledFn, NewCalledFunctions)) return false; } else if (isa<ReturnInst>(*I)) return true; |