Vendor import of compiler-rt trunk r256633:vendor/compiler-rt/compiler-rt-trunk-r256633

https://llvm.org/svn/llvm-project/compiler-rt/trunk@256633

6 files changed, 42 insertions, 9 deletions

diff --git a/test/lsan/TestCases/cleanup_in_tsd_destructor.cc b/test/lsan/TestCases/cleanup_in_tsd_destructor.c
index 5335454ffbeb..debf05c20473 100644
--- a/test/lsan/TestCases/cleanup_in_tsd_destructor.cc
+++ b/test/lsan/TestCases/cleanup_in_tsd_destructor.c
@@ -4,7 +4,7 @@
 // additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it
 // makes its best effort.
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0"
-// RUN: %clangxx_lsan %s -o %t
+// RUN: %clang_lsan %s -o %t
 // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=1 %run %t
 // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=0 not %run %t 2>&1 | FileCheck %s
 
diff --git a/test/lsan/TestCases/disabler.c b/test/lsan/TestCases/disabler.c
new file mode 100644
index 000000000000..1c4529df4f84
--- /dev/null
+++ b/test/lsan/TestCases/disabler.c
@@ -0,0 +1,24 @@
+// Test for __lsan_disable() / __lsan_enable().
+// RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0:use_tls=0"
+// RUN: %clang_lsan %s -o %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE not %run %t 2>&1 | FileCheck %s
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "sanitizer/lsan_interface.h"
+
+int main() {
+  void **p;
+  {
+    __lsan_disable();
+    p = malloc(sizeof(void *));
+    __lsan_enable();
+  }
+  *p = malloc(666);
+  void *q = malloc(1337);
+  // Break optimization.
+  fprintf(stderr, "Test alloc: %p.\n", q);
+  return 0;
+}
+// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s)
diff --git a/test/lsan/TestCases/disabler.cc b/test/lsan/TestCases/disabler.cc
index f83106501fa3..12e5ffe4d44a 100644
--- a/test/lsan/TestCases/disabler.cc
+++ b/test/lsan/TestCases/disabler.cc
@@ -13,11 +13,13 @@ int main() {
   {
     __lsan::ScopedDisabler d;
     p = new void *;
+    fprintf(stderr, "Test alloc p: %p.\n", p);
   }
-  *reinterpret_cast<void **>(p) = malloc(666);
+  *p = malloc(666);
   void *q = malloc(1337);
-  // Break optimization.
-  fprintf(stderr, "Test alloc: %p.\n", q);
+  fprintf(stderr, "Test alloc q: %p.\n", q);
   return 0;
 }
-// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s)
+
+// CHECK: Test alloc p: [[ADDR:.*]].
+// CHECK-NOT: [[ADDR]]
diff --git a/test/lsan/TestCases/disabler_in_tsd_destructor.cc b/test/lsan/TestCases/disabler_in_tsd_destructor.c
index a0012c74dd96..982fb899ec5b 100644
--- a/test/lsan/TestCases/disabler_in_tsd_destructor.cc
+++ b/test/lsan/TestCases/disabler_in_tsd_destructor.c
@@ -1,6 +1,6 @@
 // Regression test. Disabler should not depend on TSD validity.
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0:use_tls=1"
-// RUN: %clangxx_lsan %s -o %t
+// RUN: %clang_lsan %s -o %t
 // RUN: LSAN_OPTIONS=$LSAN_BASE %run %t
 
 #include <assert.h>
@@ -13,11 +13,12 @@
 pthread_key_t key;
 
 void key_destructor(void *arg) {
-  __lsan::ScopedDisabler d;
+  __lsan_disable();
   void *p = malloc(1337);
   // Break optimization.
   fprintf(stderr, "Test alloc: %p.\n", p);
   pthread_setspecific(key, 0);
+  __lsan_enable();
 }
 
 void *thread_func(void *arg) {
diff --git a/test/lsan/TestCases/ignore_object.cc b/test/lsan/TestCases/ignore_object.c
index ac69e12a4ba6..2aa4f14e2916 100644
--- a/test/lsan/TestCases/ignore_object.cc
+++ b/test/lsan/TestCases/ignore_object.c
@@ -1,6 +1,6 @@
 // Test for __lsan_ignore_object().
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0:use_tls=0"
-// RUN: %clangxx_lsan %s -o %t
+// RUN: %clang_lsan %s -o %t
 // RUN: LSAN_OPTIONS=$LSAN_BASE not %run %t 2>&1 | FileCheck %s
 
 #include <stdio.h>
@@ -10,7 +10,7 @@
 
 int main() {
   // Explicitly ignored object.
-  void **p = new void *;
+  void **p = malloc(sizeof(void *));
   // Transitively ignored object.
   *p = malloc(666);
   // Non-ignored object.
diff --git a/test/lsan/TestCases/suppressions_file.cc b/test/lsan/TestCases/suppressions_file.cc
index d030896d519f..805091cba4c4 100644
--- a/test/lsan/TestCases/suppressions_file.cc
+++ b/test/lsan/TestCases/suppressions_file.cc
@@ -1,6 +1,10 @@
 // RUN: LSAN_BASE="use_registers=0:use_stacks=0"
 // RUN: %clangxx_lsan %s -o %t
 
+// RUN: rm -f %t.supp
+// RUN: touch %t.supp
+// RUN: LSAN_OPTIONS="$LSAN_BASE:suppressions='%t.supp'" not %run %t 2>&1 | FileCheck %s --check-prefix=NOSUPP
+
 // RUN: echo "leak:*LSanTestLeakingFunc*" > %t.supp
 // RUN: LSAN_OPTIONS="$LSAN_BASE:suppressions='%t.supp'" not %run %t 2>&1 | FileCheck %s
 
@@ -24,3 +28,5 @@ int main() {
 // CHECK: Suppressions used:
 // CHECK: 1 666 *LSanTestLeakingFunc*
 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s)
+
+// NOSUPP: SUMMARY: {{(Leak|Address)}}Sanitizer: 2003 byte(s) leaked in 2 allocation(s).