[llvm] [AMDGPU][GlobalISel] Properly handle lane op lowering for larger vector types (PR #132358)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Mon Apr 14 22:40:40 PDT 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/28836

<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/llvm.amdgcn.permlane.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX10,GFX10-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll # RUN: at line 2
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX10,GFX10-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
/build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=1 -global-isel-abort=2 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX10,GFX10-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll # RUN: at line 3
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=1 -global-isel-abort=2 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX10,GFX10-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
warning: Instruction selection used fallback path for v_permlane16_bfloat
warning: Instruction selection used fallback path for v_permlanex16_bfloat
/build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX11,GFX11-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll # RUN: at line 4
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX11,GFX11-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
/build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=1 -global-isel-abort=2 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX11,GFX11-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll # RUN: at line 5
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=1 -global-isel-abort=2 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX11,GFX11-GISEL /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
warning: Instruction selection used fallback path for v_permlane16_bfloat
warning: Instruction selection used fallback path for v_permlanex16_bfloat
/build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll # RUN: at line 6
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -global-isel=0 -amdgpu-load-store-vectorizer=0 -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll:9463:20: error: GFX12-SDAG-NEXT: expected string not found in input
; GFX12-SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1)
                   ^
<stdin>:8217:19: note: scanning from here
 s_wait_alu 0xf1ff
                  ^
<stdin>:8223:2: note: possible intended match here
 s_setpc_b64 s[30:31]
 ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll:9568:20: error: GFX12-SDAG-NEXT: expected string not found in input
; GFX12-SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1)
                   ^
<stdin>:8267:19: note: scanning from here
 s_wait_alu 0xf1ff
                  ^
<stdin>:8274:2: note: possible intended match here
 s_clause 0x1
 ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.permlane.ll:9689:20: error: GFX12-SDAG-NEXT: expected string not found in input
; GFX12-SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1)
                   ^
<stdin>:8321:19: note: scanning from here
 s_wait_alu 0xf1ff
                  ^
<stdin>:8330:2: note: possible intended match here
 s_clause 0x1
...

```

</details>

https://github.com/llvm/llvm-project/pull/132358

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