[llvm] [AMDGPU][True16][CodeGen] uaddsat/usubsat true16 selection in gisel (PR #128233)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 26 02:59:13 PST 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `premerge-monolithic-linux` running on `premerge-linux-1` while building `llvm` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/23923

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

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/AMDGPU/fmed3.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -global-isel=0 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=SI,SI-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -global-isel=0 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=SI,SI-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 3: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -global-isel=1 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=SI,SI-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -global-isel=1 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=SI,SI-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 4: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=tonga -global-isel=0 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=VI-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=tonga -global-isel=0 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=VI-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 5: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=tonga -global-isel=1 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=VI-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=tonga -global-isel=1 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=VI-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 6: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx900 -global-isel=0 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX9,GFX9-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx900 -global-isel=0 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX9,GFX9-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 7: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx900 -global-isel=1 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX9,GFX9-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx900 -global-isel=1 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX9,GFX9-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 8: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 -mattr=-real-true16 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-SDAG,GFX11-SDAG-FAKE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 -mattr=-real-true16 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-SDAG,GFX11-SDAG-FAKE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 9: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=-real-true16 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-GISEL,GFX11-GISEL-FAKE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=-real-true16 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-GISEL,GFX11-GISEL-FAKE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 10: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 -mattr=+real-true16 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-SDAG,GFX11-SDAG-TRUE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=0 -mattr=+real-true16 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-SDAG,GFX11-SDAG-TRUE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
RUN: at line 11: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=+real-true16 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-GISEL,GFX11-GISEL-TRUE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1100 -global-isel=1 -mattr=+real-true16 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-GISEL,GFX11-GISEL-TRUE16 /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll:7585:28: error: GFX11-GISEL-TRUE16-NEXT: expected string not found in input
; GFX11-GISEL-TRUE16-NEXT: global_load_u16 v0, v1, s[2:3]
                           ^
<stdin>:3095:22: note: scanning from here
 s_waitcnt lgkmcnt(0)
                     ^
<stdin>:3096:8: note: possible intended match here
 global_load_d16_b16 v0, v1, s[2:3]
       ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/fmed3.ll:7840:28: error: GFX11-GISEL-TRUE16-NEXT: expected string not found in input
; GFX11-GISEL-TRUE16-NEXT: global_load_u16 v0, v2, s[2:3] glc dlc
                           ^
<stdin>:3158:22: note: scanning from here
 s_waitcnt lgkmcnt(0)
                     ^
...

```

</details>

https://github.com/llvm/llvm-project/pull/128233

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