[llvm] [AMDGPU][True16] Legalize extloads into 16-bit registers (PR #195289)
via llvm-commits
llvm-commits at lists.llvm.org
Fri May 1 10:17:19 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 173544 tests passed
* 3283 tests skipped
* 2 tests failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.CodeGen/AMDGPU/GlobalISel/load-d16.ll</summary>
```
Exit Code: 2
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx1200 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/load-d16.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck --check-prefixes=GFX12 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/load-d16.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn -mcpu=gfx1200
# .---command stderr------------
# | LLVM ERROR: AMDGPU RegBankLegalize: none of the rules defined with 'Any' for MI's opcode matched MI: %8:vgpr(s16) = G_SEXTLOAD %1:vgpr(p0) :: (load (s8) from %ir.ptra) (in function: sextload_P0_i8_D16)
# `-----------------------------
# error: command failed with exit status: 1
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck --check-prefixes=GFX12 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/load-d16.ll
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck --check-prefixes=GFX12 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/load-d16.ll
# `-----------------------------
# error: command failed with exit status: 2
--
```
</details>
<details>
<summary>LLVM.CodeGen/AMDGPU/global-saddr-load.ll</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-mesa-mesa3d -mcpu=gfx900 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GCN,GFX9 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GCN,GFX9 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GCN,GFX10 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -mattr=+wavefrontsize64
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GCN,GFX10 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -mattr=+real-true16 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -mattr=+real-true16 -mattr=+wavefrontsize64
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 5
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -mattr=-real-true16 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -mattr=-real-true16 -mattr=+wavefrontsize64
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 6
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=+real-true16 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG,GFX12-SDAG-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=+real-true16 -mattr=+wavefrontsize64
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG,GFX12-SDAG-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 7
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=-real-true16 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG,GFX12-SDAG-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=-real-true16 -mattr=+wavefrontsize64
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-SDAG,GFX12-SDAG-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# note: command had no output on stdout or stderr
# RUN: at line 8
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=+real-true16 -mattr=+wavefrontsize64 < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-GISEL,GFX12-GISEL-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1200 -mattr=+real-true16 -mattr=+wavefrontsize64
# .---command stderr------------
# | LLVM ERROR: AMDGPU RegBankLegalize: none of the rules defined with 'Any' for MI's opcode matched MI: %10:vgpr(s16) = G_SEXTLOAD %7:vgpr(p1) :: (load (s8) from %ir.gep0, addrspace 1) (in function: global_load_saddr_i16_d16lo_sexti8_reg_hi)
# `-----------------------------
# error: command failed with exit status: 1
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX12,GFX12-GISEL,GFX12-GISEL-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll:4175:16: error: GFX12-LABEL: expected string not found in input
# | ; GFX12-LABEL: global_load_saddr_i16_d16lo_zexti8_reg_hi_immneg128:
# | ^
# | <stdin>:7100:43: note: scanning from here
# | global_load_saddr_i16_d16lo_zexti8_reg_hi: ; @global_load_saddr_i16_d16lo_zexti8_reg_hi
# | ^
# | <stdin>:7109:9: note: possible intended match here
# | .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.num_vgpr, 2
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 7095: .long 0
# | 7096: .text
# | 7097: .globl global_load_saddr_i16_d16lo_zexti8_reg_hi ; -- Begin function global_load_saddr_i16_d16lo_zexti8_reg_hi
# | 7098: .p2align 8
# | 7099: .type global_load_saddr_i16_d16lo_zexti8_reg_hi, at function
# | 7100: global_load_saddr_i16_d16lo_zexti8_reg_hi: ; @global_load_saddr_i16_d16lo_zexti8_reg_hi
# | label:4175'0 X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | 7101: ; %bb.0:
# | label:4175'0 ~~~~~~~~~
# | 7102: global_load_d16_u8 v1, v0, s[2:3]
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7103: s_wait_loadcnt 0x0
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~
# | 7104: v_mov_b32_e32 v0, v1
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 7105: ; return to shader part epilog
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7106: .Lfunc_end116:
# | label:4175'0 ~~~~~~~~~~~~~~~
# | 7107: .size global_load_saddr_i16_d16lo_zexti8_reg_hi, .Lfunc_end116-global_load_saddr_i16_d16lo_zexti8_reg_hi
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7108: ; -- End function
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~
# | 7109: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.num_vgpr, 2
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | label:4175'1 ? possible intended match
# | 7110: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.num_agpr, 0
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7111: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.numbered_sgpr, 4
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7112: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.num_named_barrier, 0
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7113: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.private_seg_size, 0
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 7114: .set .Lglobal_load_saddr_i16_d16lo_zexti8_reg_hi.uses_vcc, 0
# | label:4175'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# 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/195289
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