[llvm-branch-commits] [llvm] release/23.x: [X86] Fix NaN handling in minimumnum/maximumnum zero fixup (#217420) (PR #218616)

[via llvm-branch-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 138565 tests passed
* 3515 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### LLVM
<details>
<summary>LLVM.CodeGen/X86/fminimumnum-fmaximumnum.ll</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\llc.exe < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll -mtriple=x86_64-unknown-unknown -mattr=+sse2     | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll --check-prefixes=SSE2
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=x86_64-unknown-unknown -mattr=+sse2
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll' --check-prefixes=SSE2
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll:3749:14: error: SSE2-NEXT: expected string not found in input
# | ; SSE2-NEXT: jne .LBB41_2
# |              ^
# | <stdin>:1169:21: note: scanning from here
# |  movaps %xmm0, %xmm1
# |                     ^
# | <stdin>:1170:2: note: possible intended match here
# |  jne .LBB44_2
# |  ^
# | C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll:3939:14: error: SSE2-NEXT: expected string not found in input
# | ; SSE2-NEXT: jne .LBB42_2
# |              ^
# | <stdin>:1228:21: note: scanning from here
# |  movaps %xmm0, %xmm1
# |                     ^
# | <stdin>:1229:2: note: possible intended match here
# |  jne .LBB45_2
# |  ^
# | 
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\X86\fminimumnum-fmaximumnum.ll
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |              .
# |              .
# |              .
# |           1164:  movaps %xmm0, 16(%rsp) # 16-byte Spill 
# |           1165:  movaps %xmm0, %xmm1 
# |           1166:  callq __unordtf2 at PLT 
# |           1167:  movaps (%rsp), %xmm0 # 16-byte Reload 
# |           1168:  testl %eax, %eax 
# |           1169:  movaps %xmm0, %xmm1 
# | next:3749'0                        {   search range start (exclusive)
# | next:3749'1                            error: no match found in search range
# |           1170:  jne .LBB44_2 
# | next:3749'2      ?              possible intended match
# |           1171: # %bb.1: # %start 
# |           1172:  movaps 16(%rsp), %xmm1 # 16-byte Reload 
# |           1173: .LBB44_2: # %start 
# |           1174:  movaps %xmm1, 16(%rsp) # 16-byte Spill 
# |           1175:  movaps %xmm0, %xmm1 
# |              .
# |              .
# |              .
# |           1214:  .size test_fmaximumnum_fp128, .Lfunc_end44-test_fmaximumnum_fp128 
# |           1215:  # -- End function 
# |           1216:  .globl test_fminimumnum_fp128 # -- Begin function test_fminimumnum_fp128 
# |           1217:  .prefalign 4, .Lfunc_end45, nop 
# |           1218:  .type test_fminimumnum_fp128, at function 
# |           1219: test_fminimumnum_fp128: # @test_fminimumnum_fp128 
# | next:3749'3                            }                            search range end (exclusive)
# |           1220: # %bb.0: # %start 
# |           1221:  subq $40, %rsp 
# |           1222:  movaps %xmm1, (%rsp) # 16-byte Spill 
# |           1223:  movaps %xmm0, 16(%rsp) # 16-byte Spill 
# |           1224:  movaps %xmm0, %xmm1 
# |           1225:  callq __unordtf2 at PLT 
# |           1226:  movaps (%rsp), %xmm0 # 16-byte Reload 
# |           1227:  testl %eax, %eax 
# |           1228:  movaps %xmm0, %xmm1 
# | next:3939'0                        {   search range start (exclusive)
# | next:3939'1                            error: no match found in search range
# |           1229:  jne .LBB45_2 
# | next:3939'2      ?              possible intended match
# |           1230: # %bb.1: # %start 
# |           1231:  movaps 16(%rsp), %xmm1 # 16-byte Reload 
# |           1232: .LBB45_2: # %start 
# |           1233:  movaps %xmm1, 16(%rsp) # 16-byte Spill 
# |           1234:  movaps %xmm0, %xmm1 
# |              .
# |              .
# |              .
# |           1270:  addq $40, %rsp 
# |           1271:  retq 
# |           1272: .Lfunc_end45: 
# |           1273:  .size test_fminimumnum_fp128, .Lfunc_end45-test_fminimumnum_fp128 
# |           1274:  # -- End function 
# |           1275:  .section ".note.GNU-stack","", at progbits 
# | next:3939'3                                              } search range end (exclusive)
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/218616