[llvm] [AMDGPU] Track LDS DMA VGPR source reads in expert scheduling (PR #203292)
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llvm-commits at lists.llvm.org
Thu Jun 11 07:58:39 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 175436 tests passed
* 3469 tests skipped
* 2 tests failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.CodeGen/AMDGPU/expert_scheduling_gfx1250.mir</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn -mcpu=gfx1250 -amdgpu-expert-scheduling-mode -run-pass=si-insert-waitcnts /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir -o - | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn -mcpu=gfx1250 -amdgpu-expert-scheduling-mode -run-pass=si-insert-waitcnts /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir -o -
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir:44:16: error: CHECK-NEXT: is not on the line after the previous match
# | ; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 1, implicit $exec
# | ^
# | <stdin>:268:2: note: 'next' match was here
# | $vgpr0 = V_MOV_B32_e32 1, implicit $exec
# | ^
# | <stdin>:266:174: note: previous match ended here
# | GLOBAL_LOAD_ASYNC_TO_LDS_B32 $vgpr2, $vgpr0_vgpr1, 0, 0, implicit-def $asynccnt, implicit $exec, implicit $asynccnt :: (load (s32), addrspace 1), (store (s32), addrspace 3)
# | ^
# | <stdin>:267:1: note: non-matching line after previous match is here
# | S_WAITCNT_DEPCTR .VmVsrc_0
# | ^
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir:62:16: error: CHECK-NEXT: is not on the line after the previous match
# | ; CHECK-NEXT: $vgpr2 = V_MOV_B32_e32 1, implicit $exec
# | ^
# | <stdin>:382:2: note: 'next' match was here
# | $vgpr2 = V_MOV_B32_e32 1, implicit $exec
# | ^
# | <stdin>:380:174: note: previous match ended here
# | GLOBAL_LOAD_ASYNC_TO_LDS_B32 $vgpr2, $vgpr0_vgpr1, 0, 0, implicit-def $asynccnt, implicit $exec, implicit $asynccnt :: (load (s32), addrspace 1), (store (s32), addrspace 3)
# | ^
# | <stdin>:381:1: note: non-matching line after previous match is here
# | S_WAITCNT_DEPCTR .VmVsrc_0
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/expert_scheduling_gfx1250.mir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 263: liveins: $vgpr0, $vgpr1, $vgpr2
# | 264:
# | 265: S_SETREG_IMM32_B32 2, 2074, implicit-def $mode, implicit $mode
# | 266: GLOBAL_LOAD_ASYNC_TO_LDS_B32 $vgpr2, $vgpr0_vgpr1, 0, 0, implicit-def $asynccnt, implicit $exec, implicit $asynccnt :: (load (s32), addrspace 1), (store (s32), addrspace 3)
# | 267: S_WAITCNT_DEPCTR .VmVsrc_0
# | 268: $vgpr0 = V_MOV_B32_e32 1, implicit $exec
# | next:44 !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: match on wrong line
# | 269: ...
# | 270: ---
# | 271: name: async_global_to_lds_vdst_vsrc_war
# | 272: alignment: 1
# | 273: exposesReturnsTwice: false
# | .
# | .
# | .
# | 377: liveins: $vgpr0, $vgpr1, $vgpr2
# | 378:
# | 379: S_SETREG_IMM32_B32 2, 2074, implicit-def $mode, implicit $mode
# | 380: GLOBAL_LOAD_ASYNC_TO_LDS_B32 $vgpr2, $vgpr0_vgpr1, 0, 0, implicit-def $asynccnt, implicit $exec, implicit $asynccnt :: (load (s32), addrspace 1), (store (s32), addrspace 3)
# | 381: S_WAITCNT_DEPCTR .VmVsrc_0
# | 382: $vgpr2 = V_MOV_B32_e32 1, implicit $exec
# | next:62 !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: match on wrong line
# | 383: ...
# | 384: ---
# | 385: name: global_load_vsrc_war
# | 386: alignment: 1
# | 387: exposesReturnsTwice: false
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
### Flang
<details>
<summary>Flang.Semantics/OpenMP/declare-target-flags.f90</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/flang -fc1 -fintrinsic-modules-path=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/finclude/flang/x86_64-unknown-linux-gnu -fdebug-dump-symbols -fopenmp -fopenmp-version=60 /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/flang -fc1 -fintrinsic-modules-path=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/finclude/flang/x86_64-unknown-linux-gnu -fdebug-dump-symbols -fopenmp -fopenmp-version=60 /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90
# .---command stderr------------
# | warning: OpenMP support for version 60 in flang is still incomplete [-Wexperimental-option]
# `-----------------------------
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90:32:9: error: CHECK: expected string not found in input
# | !CHECK: u, PUBLIC (InCommonBlock, OmpDeclareTarget) size=40 offset=40: ObjectEntity type: REAL(4) shape: 1_8:10_8
# | ^
# | <stdin>:288:69: note: scanning from here
# | h, PUBLIC (Subroutine): Subprogram () OmpDeclareTargetFlags:(enter)
# | ^
# | <stdin>:289:2: note: possible intended match here
# | u, PUBLIC (InCommonBlock) size=40 offset=40: ObjectEntity type: REAL(4) shape: 1_8:10_8
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/flang/test/Semantics/OpenMP/declare-target-flags.f90
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 283: specialcaseflag size=1 offset=3: ObjectEntity type: INTEGER(1)
# | 284: which size=1 offset=0: ObjectEntity type: INTEGER(1)
# | 285: Module scope: m size=4 alignment=4 sourceRange=383 bytes
# | 286: f, PUBLIC (Subroutine): Subprogram () OmpDeclareTargetFlags:(enter)
# | 287: g, EXTERNAL, PUBLIC (Function, OmpDeclareTarget): Subprogram isInterface result:REAL(4) g (REAL(4) v) OmpDeclareTargetFlags:(enter)
# | 288: h, PUBLIC (Subroutine): Subprogram () OmpDeclareTargetFlags:(enter)
# | check:32'0 X error: no match found
# | 289: u, PUBLIC (InCommonBlock) size=40 offset=40: ObjectEntity type: REAL(4) shape: 1_8:10_8
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:32'1 ? possible intended match
# | 290: w, PUBLIC (InCommonBlock) size=40 offset=0: ObjectEntity type: REAL(4) shape: 1_8:10_8
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 291: x, PUBLIC (OmpDeclareTarget) size=4 offset=0: ObjectEntity type: INTEGER(4) OmpDeclareTargetFlags:(device_type(nohost) link)
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 292: named_block size=80 offset=0: CommonBlockDetails alignment=4: w u OmpDeclareTargetFlags:(link)
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 293: Subprogram scope: g size=44 alignment=4 sourceRange=57 bytes
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 294: g size=4 offset=0: ObjectEntity funcResult type: REAL(4)
# | check:32'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.
https://github.com/llvm/llvm-project/pull/203292
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