[compiler-rt] 0e215e0 - Revert "[HWASan] unflake test"

Vitaly Buka via llvm-commits llvm-commits at lists.llvm.org
Tue May 23 11:08:00 PDT 2023


Author: Vitaly Buka
Date: 2023-05-23T11:07:46-07:00
New Revision: 0e215e095f6ca0705c5aad4cbc61aaedec1a9e31

URL: https://github.com/llvm/llvm-project/commit/0e215e095f6ca0705c5aad4cbc61aaedec1a9e31
DIFF: https://github.com/llvm/llvm-project/commit/0e215e095f6ca0705c5aad4cbc61aaedec1a9e31.diff

LOG: Revert "[HWASan] unflake test"

https://reviews.llvm.org/D150742 is the fix.

This reverts commit edd0981e71af87a686365d40e6410a8a377c153d.

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/compiler-rt/test/hwasan/TestCases/global-with-reduction.c b/compiler-rt/test/hwasan/TestCases/global-with-reduction.c
index b93e976c6f3ff..de682030ee883 100644
--- a/compiler-rt/test/hwasan/TestCases/global-with-reduction.c
+++ b/compiler-rt/test/hwasan/TestCases/global-with-reduction.c
@@ -22,36 +22,29 @@
 
 // REQUIRES: pointer-tagging
 
-#include <inttypes.h>
 #include <stdlib.h>
 
-struct data {
-  uint64_t x;
-  uint64_t y;
-};
-
 // GlobalOpt may replace the current GV with a new boolean-typed GV. Previously,
 // this resulted in the "nosanitize" getting dropped because while the data/code
 // references to the GV were updated, the old metadata references weren't.
-struct data *f() {
+int* f() {
 #ifdef USE_NOSANITIZE
-  __attribute__((no_sanitize("hwaddress"))) static struct data x = {1, 0};
+__attribute__((no_sanitize("hwaddress"))) static int x = 1;
 #else // USE_NOSANITIZE
-  static struct data x = {1, 0};
+  static int x = 1;
 #endif // USE_NOSANITIZE
-  if (x.x == 1)
-    x.x = 0;
+  if (x == 1) x = 0;
   return &x;
 }
 
 int main(int argc, char **argv) {
   // CHECK: Cause: global-overflow
-  // RSYM: is located 0 bytes after a 16-byte global variable f.x {{.*}} in {{.*}}global-with-reduction.c.tmp
-  // RNOSYM: is located after a 16-byte global variable in
+  // RSYM: is located 0 bytes after a 4-byte global variable f.x {{.*}} in {{.*}}global-with-reduction.c.tmp
+  // RNOSYM: is located after a 4-byte global variable in
   // RNOSYM-NEXT: #0 0x{{.*}} ({{.*}}global-with-reduction.c.tmp+{{.*}})
-  // LSYM: is located 16 bytes before a 16-byte global variable f.x {{.*}} in {{.*}}global-with-reduction.c.tmp
-  // LNOSYM: is located before a 16-byte global variable in
+  // LSYM: is located 4 bytes before a 4-byte global variable f.x {{.*}} in {{.*}}global-with-reduction.c.tmp
+  // LNOSYM: is located before a 4-byte global variable in
   // LNOSYM-NEXT: #0 0x{{.*}} ({{.*}}global-with-reduction.c.tmp+{{.*}})
   // CHECK-NOT: can not describe
-  f()[atoi(argv[1])].x = 1;
+  f()[atoi(argv[1])] = 1;
 }


        


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