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List: gcc-bugs
Subject: [Bug tree-optimization/115143] [14/15 Regression] tree check: expected class 'type', have 'exception
From: "pinskia at gcc dot gnu.org via Gcc-bugs" <gcc-bugs () gcc ! gnu ! org>
Date: 2024-05-18 2:22:18
Message-ID: bug-115143-4-knDbF0lx4C () http ! gcc ! gnu ! org/bugzilla/
[Download RAW message or body]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115143
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2024-05-18
Status|UNCONFIRMED |ASSIGNED
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Looks to be maybe mine.
Before phiopt we start out with:
if (f.7_6 != 0)
goto <bb 9>; [INV]
else
goto <bb 10>; [INV]
<bb 9> :
# iftmp.10_12 = PHI <h_22(D)(8)>
_25 = MIN_EXPR <f.7_6, iftmp.10_12>;
iftmp.6_26 = (short int) _25;
<bb 10> :
# iftmp.6_10 = PHI <iftmp.6_26(9), 0(8)>
And then we move the cast outside of the if condition:
```
PHI iftmp.6_10 changed to factor operation out from COND_EXPR.
New stmt with OPERATION that defines iftmp.6_10.
Applying pattern match.pd:7193, generic-match-6.cc:1904
Applying pattern match.pd:4062, gimple-match-7.cc:15093
Removing basic block 9
;; basic block 9, loop depth 0
;; pred: 8
# iftmp.10_12 = PHI <h_22(D)(8)>
;; succ: 10
```
the bug is in minmax part of phiopt and I think it was caused by my
r14-4279-g68fa82e2d8f868 .
Anyways removing minmax is on my plan but I have not gotten to the patches yet.=
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