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This improves our handling of dynamic_cast and devirtualization for
objects allocated by 'new'.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180051 91177308-0d34-0410-b5e6-96231b3b80d8
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The idea is to eventually place all analyzer options under
"analyzer-config". In addition, this lays the ground for introduction of
a high-level analyzer mode option, which will influence the
default setting for IPAMode.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173385 91177308-0d34-0410-b5e6-96231b3b80d8
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We mostly just don't want to crash analyzing this test case; it's likely
the code found here will actually crash if compiled and run.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163746 91177308-0d34-0410-b5e6-96231b3b80d8
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type is worse."
Using the static type may be inconsistent with later calls. We should just
report that there is no inlining definition available if the static type is
better than the dynamic type. See next commit.
This reverts r163644 / 19d5886d1704e24282c86217b09d5c6d35ba604d.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163744 91177308-0d34-0410-b5e6-96231b3b80d8
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reinterpret_cast does not provide any of the usual type information that
static_cast or dynamic_cast provide -- only the new type. This can get us
in a situation where the dynamic type info for an object is actually a
superclass of the static type, which does not match what CodeGen does at all.
In these cases, just fall back to the static type as the best possible type
for devirtualization.
Should fix the crashes on our internal buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163644 91177308-0d34-0410-b5e6-96231b3b80d8
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Previously we were checking -analyzer-ipa=dynamic-bifurcate only, and
unconditionally inlining everything else that had an available definition,
even under -analyzer-ipa=inlining (but not under -analyzer-ipa=none).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161916 91177308-0d34-0410-b5e6-96231b3b80d8
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