[llvm] [SDAG] Follow target boolean semantics in `PromoteIntOp_VECTOR_FIND_LAST_ACTIVE` (PR #187949)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 171608 tests passed
* 3069 tests skipped
* 1 test failed

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

### LLVM
<details>
<summary>LLVM.CodeGen/AArch64/vector-extract-last-active.ll</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=aarch64 -mattr=+bf16 -verify-machineinstrs /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll -o - | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll --check-prefixes=CHECK,NEON-FIXED
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=aarch64 -mattr=+bf16 -verify-machineinstrs /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll -o -
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll --check-prefixes=CHECK,NEON-FIXED
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll:503:20: error: NEON-FIXED-NEXT: expected string not found in input
# | ; NEON-FIXED-NEXT: ldr d2, [x8, :lo12:.LCPI18_0]
# |                    ^
# | <stdin>:446:13: note: scanning from here
# |  mov x11, sp
# |             ^
# | <stdin>:447:2: note: possible intended match here
# |  ldr d3, [x8, :lo12:.LCPI18_0]
# |  ^
# | 
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AArch64/vector-extract-last-active.ll
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             .
# |             .
# |             .
# |           441: // %bb.0: 
# |           442:  sub sp, sp, #16 
# |           443:  .cfi_def_cfa_offset 16 
# |           444:  movi v1.2d, #0000000000000000 
# |           445:  adrp x8, .LCPI18_0 
# |           446:  mov x11, sp 
# | next:503'0                 X error: no match found
# |           447:  ldr d3, [x8, :lo12:.LCPI18_0] 
# | next:503'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:503'1      ?                              possible intended match
# |           448:  str q0, [sp] 
# | next:503'0     ~~~~~~~~~~~~~~
# |           449:  mov v1.h[0], w0 
# | next:503'0     ~~~~~~~~~~~~~~~~~
# |           450:  mov v1.h[1], w1 
# | next:503'0     ~~~~~~~~~~~~~~~~~
# |           451:  mov v1.h[2], w2 
# | next:503'0     ~~~~~~~~~~~~~~~~~
# |           452:  shl v2.4h, v1.4h, #15 
# | next:503'0     ~~~~~~~~~~~~~~~~~~~~~~~
# |             .
# |             .
# |             .
# | >>>>>>
# `-----------------------------
# 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/187949