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re PR tree-optimization/89802 ([9 Regresssion] ICE: verify_gimple failed (error: dead STMT in EH table)) 

2019-03-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89802
	* tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
	move EH data to folded stmt.

	* g++.dg/tree-ssa/pr89802.C: New testcase.

From-SVN: r269913
This commit is contained in:
Richard Biener 2019-03-25 12:15:59 +00:00 committed by Richard Biener
parent 66ec77ce19
commit ecef0d3458
4 changed files with 45 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-03-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/89802
* tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
move EH data to folded stmt.
2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390-builtin-types.def: Remove few unused types and

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2019-03-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/89802
* g++.dg/tree-ssa/pr89802.C: New testcase.
2019-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/60702

28
gcc/testsuite/g++.dg/tree-ssa/pr89802.C Normal file
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@ -0,0 +1,28 @@
// { dg-do compile }
// { dg-options "-O2 -fnon-call-exceptions" }
// { dg-additional-options "-mfma" { target x86_64-*-* i?86-*-* } }
struct ef
{
ef (double xy) : m6 (xy)
{
}
~ef ()
{
}
double m6;
};
ef
operator- (ef &db, ef oa)
{
return db.m6 - oa.m6;
}
ef
vu (ef &db)
{
return db - ef (db.m6 * 1.1);
}

7
gcc/tree-ssa-math-opts.c
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@ -2917,8 +2917,13 @@ convert_mult_to_fma_1 (tree mul_result, tree op1, tree op2)
gsi_replace (&gsi, fma_stmt, true);
/* Follow all SSA edges so that we generate FMS, FNMA and FNMS
regardless of where the negation occurs. */
gimple *orig_stmt = gsi_stmt (gsi);
if (fold_stmt (&gsi, follow_all_ssa_edges))
update_stmt (gsi_stmt (gsi));
{
if (maybe_clean_or_replace_eh_stmt (orig_stmt, gsi_stmt (gsi)))
gcc_unreachable ();
update_stmt (gsi_stmt (gsi));
}
if (dump_file && (dump_flags & TDF_DETAILS))
{