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Differential Revision: https://reviews.llvm.org/D51251
llvm-svn: 340963
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constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.
Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin
Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits
Differential Revision: https://reviews.llvm.org/D30373
llvm-svn: 296895
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multiple constraint managers"
This reverts commit ea36f1406e1f36bf456c3f3929839b024128e468.
llvm-svn: 296841
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constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.
Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin
Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits
Differential Revision: https://reviews.llvm.org/D30373
llvm-svn: 296837
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multiple constraint managers"
This reverts commit f93343c099fff646a2314cc7f4925833708298b1.
llvm-svn: 296836
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constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.
Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin
Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits
Differential Revision: https://reviews.llvm.org/D30373
llvm-svn: 296835
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multiple constraint managers"
This reverts commit 1b28d0b10e1c8feccb971abb6ef7a18bee589830.
llvm-svn: 296422
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constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.
Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin
Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits
Differential Revision: https://reviews.llvm.org/D30373
llvm-svn: 296414
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constraint managers"
This reverts commit 8e7780b9e59ddaad1800baf533058d2c064d4787.
llvm-svn: 296317
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managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.
Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin
Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits
Differential Revision: https://reviews.llvm.org/D30373
llvm-svn: 296312
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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>
llvm-svn: 179554
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This fixes a regression where a call to a function we can't reason about
would not actually invalidate global regions that had explicit bindings.
void test_that_now_works() {
globalInt = 42;
clang_analyzer_eval(globalInt == 42); // expected-warning{{TRUE}}
invalidateGlobals();
clang_analyzer_eval(globalInt == 42); // expected-warning{{UNKNOWN}}
}
This has probably been around since the initial "cluster" refactoring of
RegionStore, if not longer.
<rdar://problem/13464044>
llvm-svn: 179553
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This fixes some mistaken condition logic in RegionStore that caused
global variables to be invalidated when /any/ region was invalidated,
rather than only as part of opaque function calls. This was only
being used by CStringChecker, and so users will now see that strcpy()
and friends do not invalidate global variables.
Also, add a test case we don't handle properly: explicitly-assigned
global variables aren't being invalidated by opaque calls. This is
being tracked by <rdar://problem/13464044>.
llvm-svn: 177572
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r175026 added support for default values, but didn't take reference
parameters into account, which expect the default argument to be an
lvalue. Use createTemporaryRegionIfNeeded if we can evaluate the default
expr as an rvalue but the expected result is an lvalue.
Fixes the most recent report of PR12915. The original report predates
default argument support, so that can't be it.
llvm-svn: 176042
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This patch makes sure that we do not reinitialize static globals when
the function is called more than once along a path. The motivation is
code with initialization patterns that rely on 2 static variables, where
one of them has an initializer while the other does not. Currently, we
reset the static variables with initializers on every visit to the
function along a path.
llvm-svn: 174676
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