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author | Reid Kleckner <rnk@google.com> | 2016-03-01 19:51:48 +0000 |
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committer | Reid Kleckner <rnk@google.com> | 2016-03-01 19:51:48 +0000 |
commit | 8f1b1f59213fc257c5b4169855e54a7e935d0232 (patch) | |
tree | fcd620dc5ce9bc1cdaec78bc1caa0f9befeed307 /clang/lib/CodeGen/CGException.cpp | |
parent | 2daaa1ceca4f4bce9893e1bd36860148dc04788c (diff) | |
download | bcm5719-llvm-8f1b1f59213fc257c5b4169855e54a7e935d0232.tar.gz bcm5719-llvm-8f1b1f59213fc257c5b4169855e54a7e935d0232.zip |
Reword a misleading comment discussing landingpads and SEH
SEH doesn't use landingpads anymore.
llvm-svn: 262382
Diffstat (limited to 'clang/lib/CodeGen/CGException.cpp')
-rw-r--r-- | clang/lib/CodeGen/CGException.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp index 3c730008326..1b66141fb1d 100644 --- a/clang/lib/CodeGen/CGException.cpp +++ b/clang/lib/CodeGen/CGException.cpp @@ -686,8 +686,10 @@ llvm::BasicBlock *CodeGenFunction::getInvokeDestImpl() { assert(EHStack.requiresLandingPad()); assert(!EHStack.empty()); - // If exceptions are disabled, there are usually no landingpads. However, when - // SEH is enabled, functions using SEH still get landingpads. + // If exceptions are disabled and SEH is not in use, then there is no invoke + // destination. SEH "works" even if exceptions are off. In practice, this + // means that C++ destructors and other EH cleanups don't run, which is + // consistent with MSVC's behavior. const LangOptions &LO = CGM.getLangOpts(); if (!LO.Exceptions) { if (!LO.Borland && !LO.MicrosoftExt) |