[llvm] [MemProf] Ensure all callsite clones are assigned a function clone (PR #150735)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot11` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/14789

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:73: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 89427 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 
FAIL: LLVM :: Transforms/MemProfContextDisambiguation/func_assign_fix.ll (71586 of 89427)
******************** TEST 'LLVM :: Transforms/MemProfContextDisambiguation/func_assign_fix.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/opt -passes=memprof-context-disambiguation -supports-hot-cold-new 		-memprof-verify-ccg -memprof-verify-nodes -stats -debug  		-pass-remarks=memprof-context-disambiguation /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll -S 2>&1 | 	/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll --implicit-check-not="Mismatch in call clone assignment" 		--implicit-check-not="Number of callsites assigned to call multiple non-matching clones" # RUN: at line 10
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/opt -passes=memprof-context-disambiguation -supports-hot-cold-new -memprof-verify-ccg -memprof-verify-nodes -stats -debug -pass-remarks=memprof-context-disambiguation /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll -S
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll '--implicit-check-not=Mismatch in call clone assignment' '--implicit-check-not=Number of callsites assigned to call multiple non-matching clones'
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:31:11: error: CHECK: expected string not found in input
 ; CHECK: call void @C.memprof.1()
          ^
<stdin>:33:17: note: scanning from here
define void @B() {
                ^
<stdin>:34:2: note: possible intended match here
 call void @C()
 ^
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:40:11: error: CHECK: expected string not found in input
 ; CHECK: call void @D()
          ^
<stdin>:39:16: note: scanning from here
 call void @F()
               ^
<stdin>:40:2: note: possible intended match here
 call void @D.memprof.1()
 ^
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:91:11: error: CHECK: expected string not found in input
 ; CHECK: call void @D.memprof.1()
          ^
<stdin>:78:26: note: scanning from here
 call void @F.memprof.1()
                         ^
<stdin>:83:3: note: possible intended match here
define void @D.memprof.1() {
  ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll
Step 11 (stage2/hwasan check) failure: stage2/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:73: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 89427 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 
FAIL: LLVM :: Transforms/MemProfContextDisambiguation/func_assign_fix.ll (71586 of 89427)
******************** TEST 'LLVM :: Transforms/MemProfContextDisambiguation/func_assign_fix.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/opt -passes=memprof-context-disambiguation -supports-hot-cold-new 		-memprof-verify-ccg -memprof-verify-nodes -stats -debug  		-pass-remarks=memprof-context-disambiguation /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll -S 2>&1 | 	/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll --implicit-check-not="Mismatch in call clone assignment" 		--implicit-check-not="Number of callsites assigned to call multiple non-matching clones" # RUN: at line 10
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/opt -passes=memprof-context-disambiguation -supports-hot-cold-new -memprof-verify-ccg -memprof-verify-nodes -stats -debug -pass-remarks=memprof-context-disambiguation /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll -S
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll '--implicit-check-not=Mismatch in call clone assignment' '--implicit-check-not=Number of callsites assigned to call multiple non-matching clones'
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:31:11: error: CHECK: expected string not found in input
 ; CHECK: call void @C.memprof.1()
          ^
<stdin>:33:17: note: scanning from here
define void @B() {
                ^
<stdin>:34:2: note: possible intended match here
 call void @C()
 ^
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:40:11: error: CHECK: expected string not found in input
 ; CHECK: call void @D()
          ^
<stdin>:39:16: note: scanning from here
 call void @F()
               ^
<stdin>:40:2: note: possible intended match here
 call void @D.memprof.1()
 ^
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll:91:11: error: CHECK: expected string not found in input
 ; CHECK: call void @D.memprof.1()
          ^
<stdin>:78:26: note: scanning from here
 call void @F.memprof.1()
                         ^
<stdin>:83:3: note: possible intended match here
define void @D.memprof.1() {
  ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/Transforms/MemProfContextDisambiguation/func_assign_fix.ll

```

</details>

https://github.com/llvm/llvm-project/pull/150735