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author | Dan Gohman <gohman@apple.com> | 2010-05-26 22:21:25 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-05-26 22:21:25 +0000 |
commit | 882ddb492d9d5497514ac5c084686f07716115e8 (patch) | |
tree | c80eb03d7dc1eafb2a29a603bc9a5b39338e041c /lib/Analysis/Lint.cpp | |
parent | 6f0ff1d578cfa333164e806c2290f02dd5ebebd1 (diff) | |
download | llvm-882ddb492d9d5497514ac5c084686f07716115e8.tar.gz llvm-882ddb492d9d5497514ac5c084686f07716115e8.tar.bz2 llvm-882ddb492d9d5497514ac5c084686f07716115e8.tar.xz |
Reinstate checking of stackrestore, with checking for both Read
and Write, and add a comment explaining this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104756 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/Lint.cpp')
-rw-r--r-- | lib/Analysis/Lint.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Analysis/Lint.cpp b/lib/Analysis/Lint.cpp index a19e13ef17..1fae14f801 100644 --- a/lib/Analysis/Lint.cpp +++ b/lib/Analysis/Lint.cpp @@ -285,6 +285,14 @@ void Lint::visitCallSite(CallSite CS) { visitMemoryReference(I, CS.getArgument(0), 0, 0, MemRef::Read | MemRef::Write); break; + + case Intrinsic::stackrestore: + // Stackrestore doesn't read or write memory, but it sets the + // stack pointer, which the compiler may read from or write to + // at any time, so check it for both readability and writeability. + visitMemoryReference(I, CS.getArgument(0), 0, 0, + MemRef::Read | MemRef::Write); + break; } } |