[llvm] [AMDGPU] Remove s_delay_alu for VALU->SGPR->SALU (PR #127212)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lld-x86_64-ubuntu-fast` running on `as-builder-4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/33/builds/12931

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/AMDGPU/i1-to-bf16.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc < /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -mtriple=amdgcn -mcpu=hawaii | /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX7
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX7
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc -mtriple=amdgcn -mcpu=hawaii
RUN: at line 3: /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc < /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -mtriple=amdgcn -mcpu=gfx942 | /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX9
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX9
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc -mtriple=amdgcn -mcpu=gfx942
RUN: at line 4: /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc < /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -mtriple=amdgcn -mcpu=gfx1100 | /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX11
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll -check-prefix=GFX11
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll:111:15: error: GFX11-NEXT: expected string not found in input
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(SALU_CYCLE_1)
              ^
<stdin>:77:32: note: scanning from here
 v_cmp_u_f32_e32 vcc_lo, v0, v0
                               ^
<stdin>:79:2: note: possible intended match here
 s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_4) | instid1(SALU_CYCLE_1)
 ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll:310:15: error: GFX11-NEXT: expected string not found in input
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_1) | instid1(VALU_DEP_2)
              ^
<stdin>:211:28: note: scanning from here
 v_cmp_u_f32_e64 s1, v0, v0
                           ^
<stdin>:212:2: note: possible intended match here
 s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll:1168:15: error: GFX11-NEXT: expected string not found in input
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(SALU_CYCLE_1)
              ^
<stdin>:701:32: note: scanning from here
 v_cmp_u_f32_e32 vcc_lo, v0, v0
                               ^
<stdin>:703:2: note: possible intended match here
 s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_4) | instid1(SALU_CYCLE_1)
 ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/i1-to-bf16.ll:1367:15: error: GFX11-NEXT: expected string not found in input
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_1) | instid1(VALU_DEP_2)
              ^
<stdin>:835:28: note: scanning from here
 v_cmp_u_f32_e64 s0, v0, v0
                           ^
<stdin>:836:2: note: possible intended match here
 s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
 ^
...

```

</details>

https://github.com/llvm/llvm-project/pull/127212