// RUN: dsymutil -f -y %p/dummy-debug-map.map -oso-prepend-path %p/../Inputs/dead-stripped -o - | llvm-dwarfdump - --debug-info | FileCheck %s // The test was compiled with: // clang++ -O2 -g -c dead-strip.cpp -o 1.o // The goal of the test is to exercise dsymutil's behavior in presence of // functions/variables that have been dead-stripped by the linker but // that are still present in the linked debug info (in this case because // they have been DW_TAG_import'd in another namespace). // Everything in the N namespace bellow doesn't have a debug map entry, and // thus is considered dead (::foo() has a debug map entry, otherwse dsymutil // would just drop the CU altogether). namespace N { int blah = 42; // This is actually a dsymutil-classic bug that we reproduced // CHECK: DW_TAG_variable // CHECK-NOT: DW_TAG // CHECK: DW_AT_location __attribute__((always_inline)) int foo() { return blah; } // CHECK: DW_TAG_subprogram // CHECK-NOT: DW_AT_low_pc // CHECK-NOT: DW_AT_high_pc // CHECK: DW_AT_frame_base // CHECK: DW_TAG_subprogram int bar(unsigned i) { int val = foo(); if (i) return val + bar(i-1); return foo(); } // CHECK: DW_TAG_subprogram // CHECK-NOT: DW_AT_low_pc // CHECK-NOT: DW_AT_high_pc // CHECK: DW_AT_frame_base // CHECK-NOT: DW_AT_location // CHECK-NOT: DW_AT_low_pc // CHECK-NOT: DW_AT_high_pc } // CHECK: TAG_imported_module using namespace N; void foo() {}