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| author | Bill Wendling <isanbard@gmail.com> | 2011-08-24 00:00:23 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-08-24 00:00:23 +0000 |
| commit | 3ae96d69ef0695460eb3d046427d22dcda10d9f0 (patch) | |
| tree | 2bd2b2f60e450dfb3e0b4b020aea4f1776263430 /lib/CodeGen/SjLjEHPrepare.cpp | |
| parent | fc8713ff74c2ed83d453057b24c578a0709fc180 (diff) | |
| download | llvm-3ae96d69ef0695460eb3d046427d22dcda10d9f0.tar.gz llvm-3ae96d69ef0695460eb3d046427d22dcda10d9f0.tar.bz2 llvm-3ae96d69ef0695460eb3d046427d22dcda10d9f0.tar.xz | |
Add the sentinal "no handle" value to the ResumeInst.
A value of -1 at a call site tells the personality function that this call isn't
handled by the current function. Since the ResumeInsts are converted to calls to
_Unwind_SjLj_Resume, add a (volatile) store of -1 to its 'call site'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138416 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SjLjEHPrepare.cpp')
| -rw-r--r-- | lib/CodeGen/SjLjEHPrepare.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SjLjEHPrepare.cpp b/lib/CodeGen/SjLjEHPrepare.cpp index be491b1383..ebed3d2b88 100644 --- a/lib/CodeGen/SjLjEHPrepare.cpp +++ b/lib/CodeGen/SjLjEHPrepare.cpp @@ -631,6 +631,8 @@ bool SjLjEHPass::insertSjLjEHSupport(Function &F) { if (Callee != SelectorFn && Callee != ExceptionFn && !CI->doesNotThrow()) insertCallSiteStore(CI, -1, CallSite); + } else if (ResumeInst *RI = dyn_cast<ResumeInst>(I)) { + insertCallSiteStore(RI, -1, CallSite); } } |