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| author | dehao <dehao@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-24 15:04:09 +0000 |
|---|---|---|
| committer | dehao <dehao@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-24 15:04:09 +0000 |
| commit | 601ee7b3581bed05a7b6ecb5acd63673468588a1 (patch) | |
| tree | 6f0955f1b454bbe3c182be036de20ee646ce268b /gcc/testsuite/gcc.dg | |
| parent | 77b3b9e90abdd460636bc1135218011bfee6a979 (diff) | |
| download | gcc-601ee7b3581bed05a7b6ecb5acd63673468588a1.tar.gz | |
Change the discriminator assignment algorithm to make it more robust.
2013-05-24 Dehao Chen <dehao@google.com>
* gcc/testsuite/gcc.dg/debug/dwarf2/discriminator.c: New Testcase.
* gcc/tree-cfg.c (locus_descrim_hasher::hash): Change discrminator
hash function.
(locus_descrim_hasher::equal): Likewise.
(build_gimple_cfg): New discrminator assignmnet algorithm
(make_edges): Likewise.
(next_discriminator_for_locus): Likewise.
(same_line_p): Likewise.
(assign_discriminators): Likewise.
(make_cond_expr_edges): Likewise.
(make_gimple_switch_edges): Likewise.
(make_goto_expr_edges): Likewise.
(make_gimple_asm_edges): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199295 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg')
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/dwarf2/discriminator.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/debug/dwarf2/discriminator.c b/gcc/testsuite/gcc.dg/debug/dwarf2/discriminator.c new file mode 100644 index 00000000000..64434d2801e --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/dwarf2/discriminator.c @@ -0,0 +1,16 @@ +/* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ +/* { dg-options "-O0 -gdwarf-2" } */ +/* { dg-final { scan-assembler "loc \[0-9] 9 \[0-9]( is_stmt \[0-9])?\n" } } */ +/* { dg-final { scan-assembler "loc \[0-9] 9 \[0-9]( is_stmt \[0-9])? discriminator 2\n" } } */ +/* { dg-final { scan-assembler "loc \[0-9] 9 \[0-9]( is_stmt \[0-9])? discriminator 1\n" } } */ + +int foo(int n) { + int i, ret = 0; + for (i = 0; i < n; i++) { + if (i % 10 == 1) + ret++; + else + ret--; + } + return ret; +} |