[llvm] [AMDGPU][CodeGenPrepare] Narrow 64 bit math to 32 bit if profitable (PR #130577)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-asan` running on `sanitizer-buildbot1` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/52/builds/7236

<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-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 89851 tests, 88 workers --
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll (30790 of 89851)
******************** TEST 'LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll # RUN: at line 3
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll

--

********************
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/srem.i32.ll (30791 of 89851)
******************** TEST 'LLVM :: CodeGen/AMDGPU/GlobalISel/srem.i32.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll # RUN: at line 3
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll

--

********************
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i64.ll (30796 of 89851)
Step 11 (stage2/asan check) failure: stage2/asan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/main.py:72: 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: 89851 tests, 88 workers --
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll (30790 of 89851)
******************** TEST 'LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll # RUN: at line 3
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/sdiv.i32.ll

--

********************
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/srem.i32.ll (30791 of 89851)
******************** TEST 'LLVM :: CodeGen/AMDGPU/GlobalISel/srem.i32.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,GISEL /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=1 -mtriple=amdgcn-amd-amdpal
/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal < /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll # RUN: at line 3
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -global-isel -amdgpu-codegenprepare-disable-idiv-expansion=0 -mtriple=amdgcn-amd-amdpal
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/FileCheck -check-prefixes=CHECK,CGP /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/srem.i32.ll

--

********************
Testing:  0.. 10.. 20.. 30
FAIL: LLVM :: CodeGen/AMDGPU/GlobalISel/sdiv.i64.ll (30796 of 89851)

```

</details>

https://github.com/llvm/llvm-project/pull/130577