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| author | John McCall <rjmccall@apple.com> | 2012-04-13 18:44:05 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2012-04-13 18:44:05 +0000 |
| commit | 8c38d35b058c11c72951e7d71de268738853c682 (patch) | |
| tree | 86f1a59ed157e54b11f792f48c8b9b8134d45040 /clang/lib/CodeGen/CGDecl.cpp | |
| parent | cbbdaa9378c568c983a476b3e527557a4c76aa69 (diff) | |
| download | bcm5719-llvm-8c38d35b058c11c72951e7d71de268738853c682.tar.gz bcm5719-llvm-8c38d35b058c11c72951e7d71de268738853c682.zip | |
Don't enter cleanups for unreachable variables. It's impossible to
jump into these scopes, and the cleanup-entering code sometimes wants
to do some operations first (e.g. a GEP), which can leave us with
unparented IR.
llvm-svn: 154684
Diffstat (limited to 'clang/lib/CodeGen/CGDecl.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDecl.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp index 8c154f07084..644777963b2 100644 --- a/clang/lib/CodeGen/CGDecl.cpp +++ b/clang/lib/CodeGen/CGDecl.cpp @@ -1171,6 +1171,10 @@ void CodeGenFunction::EmitAutoVarCleanups(const AutoVarEmission &emission) { // If this was emitted as a global constant, we're done. if (emission.wasEmittedAsGlobal()) return; + // If we don't have an insertion point, we're done. Sema prevents + // us from jumping into any of these scopes anyway. + if (!HaveInsertPoint()) return; + const VarDecl &D = *emission.Variable; // Check the type for a cleanup. |
