[clang] 835ef6f - [hwasan] Fix stack safety test for old PM.

[Florian Mayer via cfe-commits]

Author: Florian Mayer
Date: 2021-07-27T20:50:46+01:00
New Revision: 835ef6f93d5789d3d7d905462e7574a38b30577d

URL: https://github.com/llvm/llvm-project/commit/835ef6f93d5789d3d7d905462e7574a38b30577d
DIFF: https://github.com/llvm/llvm-project/commit/835ef6f93d5789d3d7d905462e7574a38b30577d.diff

LOG: [hwasan] Fix stack safety test for old PM.

With the old PM, the stub for __hwasan_generate_tag is still generated
in the IR, but never called.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D106858

Added: 
    

Modified: 
    clang/test/CodeGen/hwasan-stack-safety-analysis.c

Removed: 
    


################################################################################
diff  --git a/clang/test/CodeGen/hwasan-stack-safety-analysis.c b/clang/test/CodeGen/hwasan-stack-safety-analysis.c
index 5c4f34027bac..ba50274de282 100644
--- a/clang/test/CodeGen/hwasan-stack-safety-analysis.c
+++ b/clang/test/CodeGen/hwasan-stack-safety-analysis.c
@@ -1,5 +1,8 @@
-// RUN: %clang -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=true -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY
-// RUN: %clang -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=false -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=NOSAFETY
+// RUN: %clang -fno-legacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=true -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY
+// RUN: %clang -fno-legacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=false -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=NOSAFETY
+
+// RUN: %clang -flegacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=true -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY
+// RUN: %clang -flegacy-pass-manager -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-use-stack-safety=false -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=NOSAFETY
 
 // Default when optimizing, but not with O0.
 // RUN: %clang -fsanitize=hwaddress -target aarch64-linux-gnu -S -emit-llvm -mllvm -hwasan-generate-tags-with-calls -O2 %s -o - | FileCheck %s --check-prefix=SAFETY
@@ -10,6 +13,6 @@ int main(int argc, char **argv) {
   volatile char *x = buf;
   *x = 0;
   return buf[0];
-  // NOSAFETY: __hwasan_generate_tag
-  // SAFETY-NOT: __hwasan_generate_tag
+  // NOSAFETY: call i8 @__hwasan_generate_tag
+  // SAFETY-NOT: call i8 @__hwasan_generate_tag
 }