<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/59802>59802</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[M68k] divide-by-constant.ll test failing
</td>
</tr>
<tr>
<th>Labels</th>
<td>
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
glaubitz
</td>
</tr>
</table>
<pre>
The m68k-backend-specific test `divide-by-constant.ll` has started fail:
```
FAIL: LLVM :: CodeGen/M68k/Arith/divide-by-constant.ll (1 of 66093)
******************** TEST 'LLVM :: CodeGen/M68k/Arith/divide-by-constant.ll' FAILED ********************
Script:
--
: 'RUN: at line 2'; /srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/llc < /srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll -mtriple=m68k-linux -verify-machineinstrs | /srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/FileCheck /srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll
--
Exit Code: 1
Command Output (stderr):
--
/srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll:42:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: mulu #-21845, %d0
^
<stdin>:42:17: note: scanning from here
and.l #255, %d0
^
<stdin>:43:2: note: possible intended match here
mulu #21846, %d0
^
/srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll:130:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: lsr.w #1, %d0
^
<stdin>:131:17: note: scanning from here
and.l #255, %d0
^
<stdin>:133:2: note: possible intended match here
lsr.l #8, %d0
^
/srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll:146:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: mulu #18079, %d0
^
<stdin>:146:17: note: scanning from here
and.l #255, %d0
^
<stdin>:147:2: note: possible intended match here
mulu #565, %d0
^
Input file: <stdin>
Check file: /srv/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/test/CodeGen/M68k/Arith/divide-by-constant.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
.
.
.
37: .type test3,@function
38: test3: ; @test3
39: .cfi_startproc
40: ; %bb.0: ; %entry
41: move.b (11,%sp), %d0
42: and.l #255, %d0
next:42'0 X error: no match found
43: mulu #21846, %d0
next:42'0 ~~~~~~~~~~~~~~~~~~
next:42'1 ? possible intended match
44: lsr.l #8, %d0
next:42'0 ~~~~~~~~~~~~~~~
45: lsr.l #8, %d0
next:42'0 ~~~~~~~~~~~~~~~
46: and.l #65535, %d0
next:42'0 ~~~~~~~~~~~~~~~~~~~
47: rts
next:42'0 ~~~~~
48: .Lfunc_end2:
next:42'0 ~~~~~~~~~~~~~
.
.
.
126: .p2align 1
127: .type test8,@function
128: test8: ; @test8
129: ; %bb.0:
130: move.b (7,%sp), %d0
131: and.l #255, %d0
next:130'0 X error: no match found
132: mulu #841, %d0
next:130'0 ~~~~~~~~~~~~~~~~
133: lsr.l #8, %d0
next:130'0 ~~~~~~~~~~~~~~~
next:130'1 ? possible intended match
134: lsr.l #8, %d0
next:130'0 ~~~~~~~~~~~~~~~
135: ; kill: def $bd0 killed $bd0 killed $d0
next:130'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
136: rts
next:130'0 ~~~~~
137: .Lfunc_end7:
next:130'0 ~~~~~~~~~~~~~
138: .size test8, .Lfunc_end7-test8
next:130'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.
.
.
141: .p2align 1
next:130'0 ~~~~~~~~~~~~
142: .type test9,@function
next:130'0 ~~~~~~~~~~~~~~~~~~~~~~~
143: test9: ; @test9
next:130'0 ~~~~~~
144: ; %bb.0:
145: move.b (7,%sp), %d0
146: and.l #255, %d0
next:146'0 X error: no match found
147: mulu #565, %d0
next:146'0 ~~~~~~~~~~~~~~~~
next:146'1 ? possible intended match
148: lsr.l #8, %d0
next:146'0 ~~~~~~~~~~~~~~~
149: lsr.l #8, %d0
next:146'0 ~~~~~~~~~~~~~~~
150: ; kill: def $bd0 killed $bd0 killed $d0
next:146'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
151: rts
next:146'0 ~~~~~
152: .Lfunc_end8:
next:146'0 ~~~~~~~~~~~~~
.
.
.
>>>>>>
--
********************
```
The regression was first seen in the CI for build job 9330 [1] with 8abd70081f761738e82b37b2891b60ad034f3880 most likely being the responsible change.
> [1] https://lab.llvm.org/staging/#/builders/180/builds/9330
</pre>
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