[llvm-branch-commits] [lld] [llvm] [RFC][AMDGPU][lld] Add object linking support (PR #206787)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Jun 30 11:46:57 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results
* 136515 tests passed
* 3511 tests skipped
* 3 tests failed
## Failed Tests
(click on a test name to see its output)
### lld
<details>
<summary>lld.ELF/amdgpu-lds-link-time-ir-instructions.s</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 20
split-file C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp
# executed command: split-file 'C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp'
# note: command had no output on stdout or stderr
# RUN: at line 21
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx900 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx900 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.o'
# note: command had no output on stdout or stderr
# RUN: at line 22
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx900 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu2.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu2.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx900 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu2.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu2.o'
# note: command had no output on stdout or stderr
# RUN: at line 25
c:\_work\llvm-project\llvm-project\build\bin\llvm-objdump.exe -d -r C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.o | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s --check-prefix=PRE1
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-objdump.exe' -d -r 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.o'
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s' --check-prefix=PRE1
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s:40:9: error: PRE1: expected string not found in input
# | # PRE1: .long 0x9780ff00
# | ^
# | <stdin>:7:29: note: scanning from here
# | 0000000000000000 <kernel_a>:
# | ^
# | <stdin>:11:44: note: possible intended match here
# | s_lshl2_add_u32 s0, s0, lit(0x0) // 000000000010: 9780FF00 00000000
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-ir-instructions.s
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | 1:
# | 2: C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-ir-instructions.s.tmp/tu1.o: file format elf64-amdgpu
# | 3: .amdgcn_target "amdgcn-amd-amdhsa-unknown-gfx900"
# | 4:
# | 5: Disassembly of section .text:
# | 6:
# | 7: 0000000000000000 <kernel_a>:
# | check:40'0 { search range start (exclusive)
# | check:40'1 error: no match found in search range
# | 8: s_load_dword s0, s[8:9], 0x0 // 000000000000: C0020004 00000000
# | 9: v_mov_b32_e32 v0, 42 // 000000000008: 7E0002AA
# | 10: s_waitcnt lgkmcnt(0) // 00000000000C: BF8CC07F
# | 11: s_lshl2_add_u32 s0, s0, lit(0x0) // 000000000010: 9780FF00 00000000
# | check:40'2 ? possible intended match
# | 12: 0000000000000014: R_AMDGPU_ABS32_LO __lds_shared
# | 13: v_mov_b32_e32 v1, s0 // 000000000018: 7E020200
# | 14: ds_write_b32 v1, v0 // 00000000001C: D81A0000 00000001
# | 15: s_endpgm // 000000000024: BF810000
# | check:40'3 } search range end (exclusive)
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>lld.ELF/amdgpu-lds-link-time-named-barrier.s</summary>
```
Exit Code: 127
Command Output (stdout):
--
# RUN: at line 12
split-file C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-named-barrier.s C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp
# executed command: split-file 'C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-named-barrier.s' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp'
# note: command had no output on stdout or stderr
# RUN: at line 13
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.o'
# note: command had no output on stdout or stderr
# RUN: at line 14
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.o'
# note: command had no output on stdout or stderr
# RUN: at line 15
c:\_work\llvm-project\llvm-project\build\bin\ld.lld.exe C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.o -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/out
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\ld.lld.exe' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/a.o' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/b.o' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/out'
# .---command stderr------------
# | ld.lld: warning: cannot find entry symbol _start; not setting start address
# `-----------------------------
# RUN: at line 19
llvm-objcopy --dump-section=.rodata=C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/rodata C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/out
# executed command: llvm-objcopy '--dump-section=.rodata=C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/rodata' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/out'
# note: command had no output on stdout or stderr
# RUN: at line 20
python3 -c " import struct, sys; data = open(sys.argv[1], 'rb').read(); rsrc3_a = struct.unpack_from('<I', data, 44)[0]; rsrc3_b = struct.unpack_from('<I', data, 108)[0]; nbc_a = (rsrc3_a >> 14) & 7; nbc_b = (rsrc3_b >> 14) & 7; print(f'NAMED_BAR_CNT_A={nbc_a}'); print(f'NAMED_BAR_CNT_B={nbc_b}'); " C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/rodata | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-lds-link-time-named-barrier.s
# executed command: python3 -c ' import struct, sys; data = open(sys.argv[1], '"'"'rb'"'"').read(); rsrc3_a = struct.unpack_from('"'"'<I'"'"', data, 44)[0]; rsrc3_b = struct.unpack_from('"'"'<I'"'"', data, 108)[0]; nbc_a = (rsrc3_a >> 14) & 7; nbc_b = (rsrc3_b >> 14) & 7; print(f'"'"'NAMED_BAR_CNT_A={nbc_a}'"'"'); print(f'"'"'NAMED_BAR_CNT_B={nbc_b}'"'"'); ' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-lds-link-time-named-barrier.s.tmp/rodata'
# .---command stderr------------
# | 'python3': command not found
# `-----------------------------
# error: command failed with exit status: 127
--
```
</details>
<details>
<summary>lld.ELF/amdgpu-named-barrier-cross-tu.s</summary>
```
Exit Code: 127
Command Output (stdout):
--
# RUN: at line 16
split-file C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-named-barrier-cross-tu.s C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp
# executed command: split-file 'C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-named-barrier-cross-tu.s' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp'
# note: command had no output on stdout or stderr
# RUN: at line 17
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.o'
# note: command had no output on stdout or stderr
# RUN: at line 18
c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.s -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-mc.exe' -triple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.s' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.o'
# note: command had no output on stdout or stderr
# RUN: at line 19
c:\_work\llvm-project\llvm-project\build\bin\ld.lld.exe C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.o -o C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\ld.lld.exe' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/a.o' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/b.o' -o 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out'
# .---command stderr------------
# | ld.lld: warning: cannot find entry symbol _start; not setting start address
# `-----------------------------
# RUN: at line 24
c:\_work\llvm-project\llvm-project\build\bin\llvm-nm.exe --format=posix C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-named-barrier-cross-tu.s --check-prefix=SYMS
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llvm-nm.exe' --format=posix 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out'
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-named-barrier-cross-tu.s' --check-prefix=SYMS
# note: command had no output on stdout or stderr
# RUN: at line 27
llvm-objcopy --dump-section=.rodata=C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/rodata C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out
# executed command: llvm-objcopy '--dump-section=.rodata=C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/rodata' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/out'
# note: command had no output on stdout or stderr
# RUN: at line 28
python3 -c " import struct, sys; data = open(sys.argv[1], 'rb').read(); rsrc3 = struct.unpack_from('<I', data, 44)[0]; nbc = (rsrc3 >> 14) & 7; print(f'NAMED_BAR_CNT={nbc}'); " C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/rodata | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\lld\test\ELF\amdgpu-named-barrier-cross-tu.s --check-prefix=KD
# executed command: python3 -c ' import struct, sys; data = open(sys.argv[1], '"'"'rb'"'"').read(); rsrc3 = struct.unpack_from('"'"'<I'"'"', data, 44)[0]; nbc = (rsrc3 >> 14) & 7; print(f'"'"'NAMED_BAR_CNT={nbc}'"'"'); ' 'C:\_work\llvm-project\llvm-project\build\tools\lld\test\ELF\Output\amdgpu-named-barrier-cross-tu.s.tmp/rodata'
# .---command stderr------------
# | 'python3': command not found
# `-----------------------------
# error: command failed with exit status: 127
--
```
</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/206787
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