[compiler-rt] [compiler-rt][hwasan] Add fiber switch for HwASan (PR #153822)

[via llvm-commits]

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@@ -1,19 +1,18 @@
-// Check that HwASan plays well with annotated makecontext/swapcontext.
-
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
-// RUN: seq 60 | xargs -i -- grep LOOPCHECK %s > %t.checks
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O0 %s -o %t && %run %t 2>&1 | FileCheck %t.checks --check-prefix LOOPCHECK
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O1 %s -o %t && %run %t 2>&1 | FileCheck %t.checks --check-prefix LOOPCHECK
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O2 %s -o %t && %run %t 2>&1 | FileCheck %t.checks --check-prefix LOOPCHECK
-// RUN: %clangxx_hwasan -std=c++11 -lpthread -O3 %s -o %t && %run %t 2>&1 | FileCheck %t.checks --check-prefix LOOPCHECK
+// Test hwasan __sanitizer_start_switch_fiber and __sanitizer_finish_switch_fiber interface.
+
+// RUN: %clangxx_hwasan -std=c++11 -lpthread -ldl -O0 %s -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_hwasan -std=c++11 -lpthread -ldl -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_hwasan -std=c++11 -lpthread -ldl -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_hwasan -std=c++11 -lpthread -ldl -O3 %s -o %t && %run %t 2>&1 | FileCheck %s
+// RUN: seq 30 | xargs -i -- grep LOOPCHECK %s > %t.checks
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Tomahawkd wrote:

Original asan testcase tests on stack and heap, therefore it has 60 `LOOPCHECK` messages.

https://github.com/llvm/llvm-project/pull/153822