| 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 |