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| author | Richard Biener <rguenther@suse.de> | 2017-11-24 12:34:23 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-11-24 12:34:23 +0000 |
| commit | 15b6695ac534148a10dd5a5f266bf2e49316dc32 (patch) | |
| tree | 633d464d3e68e9b83469ac79ef6ea0be3d9953c4 | |
| parent | 406520e26f53e3c38118886f79b9e3f7e355e978 (diff) | |
| download | gcc-15b6695ac534148a10dd5a5f266bf2e49316dc32.zip gcc-15b6695ac534148a10dd5a5f266bf2e49316dc32.tar.gz gcc-15b6695ac534148a10dd5a5f266bf2e49316dc32.tar.bz2 | |
re PR tree-optimization/82402 (error: SSA_NAME_OCCURS_IN_ABNORMAL_PHI should be set)
2017-11-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82402
* tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly
set SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
* gcc.dg/torture/pr82402.c: New testcase.
From-SVN: r255140
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr82402.c | 20 | ||||
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 2 |
4 files changed, 33 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b866e25..acced0c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-11-24 Richard Biener <rguenther@suse.de> + + PR tree-optimization/82402 + * tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly + set SSA_NAME_OCCURS_IN_ABNORMAL_PHI. + 2017-11-24 Marc Glisse <marc.glisse@inria.fr> * match.pd (0-ptr): New transformation. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 019ff2a..c43842b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2017-11-24 Richard Biener <rguenther@suse.de> + PR tree-optimization/82402 + * gcc.dg/torture/pr82402.c: New testcase. + +2017-11-24 Richard Biener <rguenther@suse.de> + PR tree-optimization/83128 * gcc.dg/tree-ssa/ssa-fre-62.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/torture/pr82402.c b/gcc/testsuite/gcc.dg/torture/pr82402.c new file mode 100644 index 0000000..cf90d5c --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr82402.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ + +typedef int jmp_buf[1]; + +extern void exit(int) __attribute__((__noreturn__)); +extern int setjmpx(jmp_buf) __attribute__((__returns_twice__)); + +jmp_buf jbAnagram; +int a[6]; +int d; +int b () { exit (1); } +int c () { b (); } +int e () +{ + int f = 0; + for (; f < 6; f++) + a[f] = d; + c (); + setjmpx (jbAnagram); +} diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index 1df591e..a0d9baf 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -639,6 +639,8 @@ create_lcssa_for_virtual_phi (struct loop *loop) gimple *stmt; use_operand_p use_p; + SSA_NAME_OCCURS_IN_ABNORMAL_PHI (new_vop) + = SSA_NAME_OCCURS_IN_ABNORMAL_PHI (vop); add_phi_arg (new_phi, vop, exit_e, UNKNOWN_LOCATION); gimple_phi_set_result (new_phi, new_vop); FOR_EACH_IMM_USE_STMT (stmt, imm_iter, vop) |