[llvm] [NFC][AMDGPU][Attributor] Exit earlier if entry CC (PR #114177)

[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/5536

<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/annotate-kernel-features-hsa-call.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/opt -mtriple=amdgcn-unknown-amdhsa -S -amdgpu-annotate-kernel-features < /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll | /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck -check-prefixes=AKF_HSA /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/opt -mtriple=amdgcn-unknown-amdhsa -S -amdgpu-annotate-kernel-features
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck -check-prefixes=AKF_HSA /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
RUN: at line 3: /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/opt -mtriple=amdgcn-unknown-amdhsa -S -passes=amdgpu-attributor < /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll | /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck -check-prefixes=ATTRIBUTOR_HSA /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/opt -mtriple=amdgcn-unknown-amdhsa -S -passes=amdgpu-attributor
+ /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/bin/FileCheck -check-prefixes=ATTRIBUTOR_HSA /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll:720:24: error: ATTRIBUTOR_HSA-SAME: expected string not found in input
; ATTRIBUTOR_HSA-SAME: () #[[ATTR17]] {
                       ^
<stdin>:315:45: note: scanning from here
define amdgpu_kernel void @func_kern_defined() #19 {
                                            ^
<stdin>:315:45: note: with "ATTR17" equal to "17"
define amdgpu_kernel void @func_kern_defined() #19 {
                                            ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll:972:24: error: ATTRIBUTOR_HSA-SAME: expected string not found in input
; ATTRIBUTOR_HSA-SAME: () #[[ATTR27]] {
                       ^
<stdin>:417:34: note: scanning from here
define void @unused_enqueue_block() #29 {
                                 ^
<stdin>:417:34: note: with "ATTR27" equal to "28"
define void @unused_enqueue_block() #29 {
                                 ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll:983:24: error: ATTRIBUTOR_HSA-SAME: expected string not found in input
; ATTRIBUTOR_HSA-SAME: () #[[ATTR27]] {
                       ^
<stdin>:421:33: note: scanning from here
define internal void @known_func() #29 {
                                ^
<stdin>:421:33: note: with "ATTR27" equal to "28"
define internal void @known_func() #29 {
                                ^
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll:1054:19: error: ATTRIBUTOR_HSA: expected string not found in input
; ATTRIBUTOR_HSA: attributes #[[ATTR27]] = { "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
                  ^
<stdin>:457:55: note: scanning from here
attributes #27 = { "uniform-work-group-size"="false" }
                                                      ^
<stdin>:457:55: note: with "ATTR27" equal to "28"
attributes #27 = { "uniform-work-group-size"="false" }
                                                      ^
<stdin>:459:1: note: possible intended match here
attributes #29 = { "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
^
...

```

</details>

https://github.com/llvm/llvm-project/pull/114177