[PATCH] D99959: [analyzer][NFC] Add tests for extents
Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Apr 7 04:45:39 PDT 2021
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf0e102c1a39f: [analyzer][NFC] Add tests for extents (authored by Balazs Benics <balazsbenics at sigmatechnology.se>).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99959/new/
https://reviews.llvm.org/D99959
Files:
clang/test/Analysis/malloc.c
Index: clang/test/Analysis/malloc.c
===================================================================
--- clang/test/Analysis/malloc.c
+++ clang/test/Analysis/malloc.c
@@ -8,6 +8,8 @@
#include "Inputs/system-header-simulator.h"
void clang_analyzer_eval(int);
+void clang_analyzer_dump(int);
+void clang_analyzer_dumpExtent(void *);
// Without -fms-compatibility, wchar_t isn't a builtin type. MSVC defines
// _WCHAR_T_DEFINED if wchar_t is available. Microsoft recommends that you use
@@ -1883,3 +1885,14 @@
s->memP = malloc(sizeof(int));
free(s);
} // FIXME: should warn here
+
+int conjure();
+void testExtent() {
+ int x = conjure();
+ clang_analyzer_dump(x);
+ // expected-warning-re at -1 {{{{^conj_\$[[:digit:]]+{int, LC1, S[[:digit:]]+, #1}}}}}}
+ int *p = (int *)malloc(x);
+ clang_analyzer_dumpExtent(p);
+ // expected-warning-re at -1 {{{{^conj_\$[[:digit:]]+{int, LC1, S[[:digit:]]+, #1}}}}}}
+ free(p);
+}
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