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Now that we're invalidating global regions properly, we want to continue
taking advantage of a particular optimization: if all global regions are
invalidated together, we can represent the bindings of each region with
a "derived region value" symbol. Essentially, this lazily links each
global region with a single symbol created at invalidation time, rather
than binding each region with a new symbolic value.
We used to do this, but haven't been for a while; the previous commit
re-enabled this code path, and this handles the fallout.
<rdar://problem/13464044>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179554 91177308-0d34-0410-b5e6-96231b3b80d8
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Some checkers ascribe different behavior to functions declared in system
headers, so when working with standard library functions it's probably best
to always have them in a standard location.
Test change only (no functionality change), but necessary for the next commit.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179552 91177308-0d34-0410-b5e6-96231b3b80d8
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The checkPointerEscape callback previously did not specify how a
pointer escaped. This change includes an enum which describes the
different ways a pointer may escape. This enum is passed to the
checkPointerEscape callback when a pointer escapes. If the escape
is due to a function call, the call is passed. This changes
previous behavior where the call is passed as NULL if the escape
was due to indirectly invalidating the region the pointer referenced.
A patch by Branden Archer!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174677 91177308-0d34-0410-b5e6-96231b3b80d8
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Suggested by Csaba. Text based on an e-mail of mine on cfe-dev.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174213 91177308-0d34-0410-b5e6-96231b3b80d8
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- Inputs/system-header-simulator.h: Declare strlen() with size_t.
- malloc-interprocedural.c: Move the definition of size_t into the header above.
Then XFAIL can be pruned.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164300 91177308-0d34-0410-b5e6-96231b3b80d8
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'Inputs' subdirectory.
The general desire has been to have essentially all of the non-test
input files live in such directories, with some exceptions for obvious
and common patterns like 'foo.c' using 'foo.h'.
This came up because our distributed test runner couldn't find some of
the headers, for example with stl.cpp.
No functionality changed, just shuffling around here.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163674 91177308-0d34-0410-b5e6-96231b3b80d8
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