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Diffstat (limited to 'test/fuzzer/dead-stripping.test')
| -rw-r--r-- | test/fuzzer/dead-stripping.test | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/fuzzer/dead-stripping.test b/test/fuzzer/dead-stripping.test new file mode 100644 index 000000000..85445ea9f --- /dev/null +++ b/test/fuzzer/dead-stripping.test @@ -0,0 +1,23 @@ +REQUIRES: darwin + +No dead_strip. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -Wl,-dead_strip +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip, with trace-pc. Unused code is removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -fsanitize-coverage=0 -fsanitize-coverage=trace-pc -Wl,-dead_strip +RUN: nm %t | not grep UnusedFunctionShouldBeRemovedByLinker +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +With dead_strip, with pc-table. Unused code is not removed. +RUN: %cpp_compiler %S/GcSectionsTest.cpp -o %t -ffunction-sections -fsanitize-coverage=0 -fsanitize-coverage=trace-pc-guard,pc-table -Wl,-dead_strip +RUN: nm %t | grep UnusedFunctionShouldBeRemovedByLinker | count 1 +RUN: %run %t -runs=0 2>&1 | FileCheck %s + +CHECK-NOT: ERROR: The size of coverage PC tables does not match |