49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
|
// 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() {}
|