[compiler-rt] 615ecd8 - [HWASan] Move LTO test to separate file.

[Matt Morehouse via llvm-commits]

Author: Matt Morehouse
Date: 2021-11-22T13:19:11-08:00
New Revision: 615ecd8afc43b3ac5aa54053bff26002a0ce7ce6

URL: https://github.com/llvm/llvm-project/commit/615ecd8afc43b3ac5aa54053bff26002a0ce7ce6
DIFF: https://github.com/llvm/llvm-project/commit/615ecd8afc43b3ac5aa54053bff26002a0ce7ce6.diff

LOG: [HWASan] Move LTO test to separate file.

The test fails on Android for an unknown reason but is still worth
having for x86.

Added: 
    compiler-rt/test/hwasan/TestCases/lto.c

Modified: 
    compiler-rt/test/hwasan/TestCases/global.c

Removed: 
    


################################################################################
diff  --git a/compiler-rt/test/hwasan/TestCases/global.c b/compiler-rt/test/hwasan/TestCases/global.c
index 45413fe48c5b..23fefd0ecceb 100644
--- a/compiler-rt/test/hwasan/TestCases/global.c
+++ b/compiler-rt/test/hwasan/TestCases/global.c
@@ -5,10 +5,6 @@
 // RUN: not %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LSYM %s
 // RUN: not %env_hwasan_opts=symbolize=0 %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LNOSYM %s
 
-// Test with LTO, since it invokes the integrated assembler separately.
-// RUN: %clang_hwasan -flto %s -o %t
-// RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s
-
 // Test with and without optimizations, with and without PIC, since 
diff erent
 // backend passes run depending on these flags.
 // RUN: %clang_hwasan -fno-pic %s -o %t

diff  --git a/compiler-rt/test/hwasan/TestCases/lto.c b/compiler-rt/test/hwasan/TestCases/lto.c
new file mode 100644
index 000000000000..6a83a32ff1fb
--- /dev/null
+++ b/compiler-rt/test/hwasan/TestCases/lto.c
@@ -0,0 +1,17 @@
+// Test globals with LTO, since it invokes the integrated assembler separately.
+// RUN: %clang_hwasan -flto %s -o %t
+// RUN: not %run %t 1 2>&1 | FileCheck %s
+
+// REQUIRES: pointer-tagging
+// UNSUPPORTED: android
+
+#include <stdlib.h>
+
+int x = 1;
+
+int main(int argc, char **argv) {
+  // CHECK: Cause: global-overflow
+  // CHECK: is located 0 bytes to the right of 4-byte global variable x {{.*}} in {{.*}}lto.c.tmp
+  // CHECK-NOT: can not describe
+  (&x)[atoi(argv[1])] = 1;
+}