14de6e29b1
Summary: This permits combining -fsanitize-coverage with -fsanitize=bounds or -fsanitize=thread. Note that, GCC already supports combining these. Tested: - Add Clang end-to-end test checking IR is generated for both combinations of sanitizers. - Several previously failing TSAN tests now pass. Bugzilla: https://bugs.llvm.org/show_bug.cgi?id=45831 Reviewers: vitalybuka Reviewed By: vitalybuka Subscribers: #sanitizers, dvyukov, nickdesaulniers, cfe-commits Tags: #clang, #sanitizers Differential Revision: https://reviews.llvm.org/D79628
31 lines
784 B
C++
31 lines
784 B
C++
// Tests -fsanitize-coverage=stack-depth
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//
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// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=stack-depth %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed
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// RUN: %clangxx -O0 -std=c++11 -fsanitize-coverage=trace-pc-guard,stack-depth \
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// RUN: %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not Assertion{{.*}}failed
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#include <cstdint>
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#include <cstdio>
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#include <cassert>
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thread_local uintptr_t __sancov_lowest_stack;
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uintptr_t last_stack;
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void foo(int recurse) {
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assert(__sancov_lowest_stack < last_stack);
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last_stack = __sancov_lowest_stack;
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if (recurse <= 0) return;
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foo(recurse - 1);
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}
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int main() {
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last_stack = __sancov_lowest_stack;
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foo(100);
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printf("Success!\n");
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return 0;
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}
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// CHECK: Success!
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