Import compiler-rt release_34 branch r197381.vendor/compiler-rt/compiler-rt-r197381

https://llvm.org/svn/llvm-project/compiler-rt/branches/release_34@197381

1 files changed, 34 insertions, 0 deletions

diff --git a/lib/msan/lit_tests/keep-going.cc b/lib/msan/lit_tests/keep-going.cc
new file mode 100644
index 000000000000..e33b137c76f7
--- /dev/null
+++ b/lib/msan/lit_tests/keep-going.cc
@@ -0,0 +1,34 @@
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && not %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %t >%t.out 2>&1
+// FileCheck %s <%t.out
+
+// RUN: %clangxx_msan -m64 -mllvm -msan-keep-going=1 -O0 %s -o %t && not %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-KEEP-GOING %s <%t.out
+// RUN: %clangxx_msan -m64 -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -m64 -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-KEEP-GOING %s <%t.out
+// RUN: %clangxx_msan -m64 -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=1 not %t >%t.out 2>&1
+// FileCheck %s <%t.out
+// RUN: %clangxx_msan -m64 -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=0 not %t >%t.out 2>&1
+// FileCheck --check-prefix=CHECK-KEEP-GOING %s <%t.out
+
+// Test behaviour of -mllvm -msan-keep-going and MSAN_OPTIONS=keep_going.
+// -mllvm -msan-keep-going provides the default value of keep_going flag; value
+// of 1 can be overwritten by MSAN_OPTIONS, value of 0 can not.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+  char *volatile x = (char*)malloc(5 * sizeof(char));
+  if (x[0])
+    exit(0);
+  fprintf(stderr, "Done\n");
+  // CHECK-NOT: Done
+  // CHECK-KEEP-GOING: Done
+  return 0;
+}