From f1c18afafc2b321465ae6b07ede127095942d7dc Mon Sep 17 00:00:00 2001 From: Rong Xu Date: Wed, 6 Aug 2014 17:50:42 -0700 Subject: [gcc-4.9] Merge svn r213650 from google/gcc-4_9 branch Merge svn r213650 from google/gcc-4_9 branch. Tested with arm,x86,mips,arm64,x86_64,mips64 build in liunux/windows. Change-Id: I0c07f67d516074172aa393003eee664d01f2e0f2 --- gcc-4.9/gcc/coverage.c | 46 +++++++++++++++++++++++++++++++++++++--------- 1 file changed, 37 insertions(+), 9 deletions(-) (limited to 'gcc-4.9/gcc/coverage.c') diff --git a/gcc-4.9/gcc/coverage.c b/gcc-4.9/gcc/coverage.c index a7f183d0c..6b1d0d6cd 100644 --- a/gcc-4.9/gcc/coverage.c +++ b/gcc-4.9/gcc/coverage.c @@ -720,7 +720,18 @@ read_counts_file (const char *da_file_name, unsigned module_id) return; } else - return; + { + inform (input_location, "file %s not found, disabling profile use", + da_file_name); + set_profile_use_options (&global_options, &global_options_set, + false, true); + /* RESET is invoked during covrerage_init when process_options is done. + Need to reset optimization_default_node and optimization_current_node. */ + /* Save the current optimization options. */ + optimization_default_node = build_optimization_node (&global_options); + optimization_current_node = optimization_default_node; + return; + } } if (!gcov_magic (gcov_read_unsigned (), GCOV_DATA_MAGIC)) @@ -1023,7 +1034,10 @@ get_coverage_counts_entry (struct function *func, unsigned counter) if (PARAM_VALUE (PARAM_PROFILE_FUNC_INTERNAL_ID)) elt.ident = FUNC_DECL_GLOBAL_ID (func); else - elt.ident = coverage_compute_profile_id (cgraph_get_node (func->decl)); + { + gcc_assert (coverage_node_map_initialized_p ()); + elt.ident = cgraph_get_node (func->decl)->profile_id; + } elt.ctr = counter; entry = counts_hash.find (&elt); @@ -1131,7 +1145,10 @@ get_coverage_counts_no_warn (struct function *f, unsigned counter, unsigned *n_c if (PARAM_VALUE (PARAM_PROFILE_FUNC_INTERNAL_ID)) elt.ident = FUNC_DECL_GLOBAL_ID (f); else - elt.ident = coverage_compute_profile_id (cgraph_get_node (f->decl)); + { + gcc_assert (coverage_node_map_initialized_p ()); + elt.ident = cgraph_get_node (f->decl)->profile_id; + } elt.ctr = counter; entry = counts_hash.find (&elt); if (!entry) @@ -1325,8 +1342,15 @@ coverage_compute_lineno_checksum (void) /* Note: it is a bad design that C++ FE associate the convertion function type with the name of the decl. This leads to cross contamination between different conversion operators in different modules (If conv_type_names map is cleared - at the end of parsing of each module). */ - if (flag_dyn_ipa && lang_hooks.user_conv_function_p (current_function_decl)) + at the end of parsing of each module). + + For LIPO always use the full mangled name to help disambiguate different + template instantiations. This is important for LIPO because we use the + checksums to identify matching copies of the same COMDAT to handle + missing profiles in the copies not selected by the linker, and to update + indirect call profiles when the target COMDAT is a copy that is not + in the module group. */ + if (flag_dyn_ipa) name = DECL_ASSEMBLER_NAME (current_function_decl); else name = DECL_NAME (current_function_decl); @@ -1411,8 +1435,11 @@ coverage_begin_function (unsigned lineno_checksum, unsigned cfg_checksum) if (PARAM_VALUE (PARAM_PROFILE_FUNC_INTERNAL_ID)) gcov_write_unsigned (FUNC_DECL_FUNC_ID (cfun)); else - gcov_write_unsigned (coverage_compute_profile_id ( - cgraph_get_node (cfun->decl))); + { + gcc_assert (coverage_node_map_initialized_p ()); + gcov_write_unsigned ( + cgraph_get_node (current_function_decl)->profile_id); + } gcov_write_unsigned (lineno_checksum); gcov_write_unsigned (cfg_checksum); @@ -1458,8 +1485,9 @@ coverage_end_function (unsigned lineno_checksum, unsigned cfg_checksum) if (flag_dyn_ipa) error ("param=profile-func-internal-id=0 is not" " supported in LIPO mode. "); - item->ident = coverage_compute_profile_id ( - cgraph_get_node (cfun->decl)); + gcc_assert (coverage_node_map_initialized_p ()); + item->ident = cgraph_get_node (cfun->decl)->profile_id; + } item->lineno_checksum = lineno_checksum; item->cfg_checksum = cfg_checksum; -- cgit v1.2.3