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Add instruction level discriminator support.
r173196 Cary Coutant <ccoutant@google.com>
* basic-block.h (struct basic_block_def): Remove discriminator field.
* cfghooks.c (split_block): Remove discriminator field.
* cfglayout.c (insn_discriminator): New function.
* final.c (discriminator): Remove.
(override_discriminator): New file-scope variable.
(final_start_function): Remove tracking of discriminator by basic
block.
(final_scan_insn): Track discriminator by instruction.
(notice_source_line): Check for discriminator override. Get
discriminator from instruction.
* gimple-pretty-print.c (dump_gimple_stmt): Print discriminator.
(dump_bb_header): Don't print discriminator.
* input.c: Include vecprim.h.
(discriminator_location_locations): New variable.
(discriminator_location_discriminators): New variable.
(min_discriminator_location): New variable.
(expand_location): Use map_discriminator_location.
(location_with_discriminator): New function.
(has_discriminator): New function.
(map_discriminator_location): New function.
(get_discriminator_from_locus): New function.
* input.h (location_with_discriminator): New function.
(has_discriminator): New function.
(map_discriminator_location): New function.
(get_discriminator_from_locus): New function.
* print-rtl.c (print_rtx): Print discriminator.
* rtl.h (insn_discriminator): New function.
* tree-cfg.c: Include input.h.
(assign_discriminator): Assign discriminators to instructions rather
than to the basic block.
* tree-pretty-print.c (dump_location): Print discriminator.
r190269 Cary Coutant <ccoutant@google.com>
This patch is for the google/main and google/gcc-4_7 branches.
New code in GCC 4.7 is calling linemap_lookup with a location_t that
may still represent a location-with-discriminator. Before using a
location_t value to lookup the line number, it needs to be mapped to
a real location_t value.
From-SVN: r199154
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