[llvm] [WIP][CodeGen][RISCV] Allow multiple location for the same CSR. (PR #170606)
via llvm-commits
llvm-commits at lists.llvm.org
Wed Dec 3 22:57:50 PST 2025
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 166723 tests passed
* 2909 tests skipped
* 6 tests failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.CodeGen/X86/cfi-inserter-callee-save-register-2.mir</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register-2.mir -mtriple=x86_64-- -verify-cfiinstrs -run-pass=cfi-instr-inserter 2>&1 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register-2.mir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register-2.mir -mtriple=x86_64-- -verify-cfiinstrs -run-pass=cfi-instr-inserter
# 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/X86/cfi-inserter-callee-save-register-2.mir
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register-2.mir:12:10: error: CHECK: expected string not found in input
# | # CHECK: CFI_INSTRUCTION offset $rbp, -16
# | ^
# | <stdin>:123:7: note: scanning from here
# | bb.3:
# | ^
# | <stdin>:126:2: note: possible intended match here
# | CFI_INSTRUCTION def_cfa $rbp, 16
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register-2.mir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 118: CFI_INSTRUCTION restore $r13
# | 119: CFI_INSTRUCTION restore $r14
# | 120: CFI_INSTRUCTION def_cfa $rsp, 8
# | 121: RET 0, killed $rax
# | 122:
# | 123: bb.3:
# | check:12'0 X error: no match found
# | 124: successors: %bb.4(0x80000000)
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 125:
# | check:12'0 ~~
# | 126: CFI_INSTRUCTION def_cfa $rbp, 16
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:12'1 ? possible intended match
# | 127: CFI_INSTRUCTION register $r13, $rcx
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 128: renamable $rdi = IMPLICIT_DEF
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 129: renamable $rsi = IMPLICIT_DEF
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 130:
# | check:12'0 ~~
# | 131: bb.4:
# | check:12'0 ~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/X86/cfi-inserter-callee-save-register.mir</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir -mtriple=x86_64-- -verify-cfiinstrs -run-pass=cfi-instr-inserter 2>&1 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir -mtriple=x86_64-- -verify-cfiinstrs -run-pass=cfi-instr-inserter
# 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/X86/cfi-inserter-callee-save-register.mir
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir:12:10: error: CHECK: expected string not found in input
# | # CHECK: CFI_INSTRUCTION restore $rbx
# | ^
# | <stdin>:84:7: note: scanning from here
# | bb.3:
# | ^
# | <stdin>:85:2: note: possible intended match here
# | RET 0, $rax
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-callee-save-register.mir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 79: CFI_INSTRUCTION def_cfa_register $rbp
# | 80: CFI_INSTRUCTION offset $rbx, -24
# | 81: CFI_INSTRUCTION def_cfa $rsp, 8
# | 82: RET 0, $rax
# | 83:
# | 84: bb.3:
# | check:12'0 X error: no match found
# | 85: RET 0, $rax
# | check:12'0 ~~~~~~~~~~~~~
# | check:12'1 ? possible intended match
# | 86: ...
# | check:12'0 ~~~~
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
not --crash /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir -mtriple=x86_64-- -run-pass=cfi-instr-inserter 2>&1 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir
# executed command: not --crash /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir -mtriple=x86_64-- -run-pass=cfi-instr-inserter
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
# 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/X86/cfi-inserter-verify-inconsistent-loc.mir
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir:12:10: error: CHECK: expected string not found in input
# | # CHECK: LLVM ERROR: Different saved locations for the same CSR
# | ^
# | <stdin>:1:1: note: scanning from here
# | --- |
# | ^
# | <stdin>:33:1: note: possible intended match here
# | failsVerification: false
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | 1: --- |
# | check:12'0 X~~~~~ error: no match found
# | 2: ; ModuleID = '/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir'
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 3: source_filename = "/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/cfi-inserter-verify-inconsistent-loc.mir"
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 4: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 5: target triple = "x86_64-unknown-unknown"
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 6:
# | check:12'0 ~~
# | .
# | .
# | .
# | 28: hasEHContTarget: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~
# | 29: hasEHScopes: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~
# | 30: hasEHFunclets: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~
# | 31: isOutlined: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~
# | 32: debugInstrRef: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~
# | 33: failsVerification: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:12'1 ? possible intended match
# | 34: tracksDebugUserValues: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 35: registers: []
# | check:12'0 ~~~~~~~~~~~~~~
# | 36: liveins: []
# | check:12'0 ~~~~~~~~~~~~
# | 37: frameInfo:
# | check:12'0 ~~~~~~~~~~~
# | 38: isFrameAddressTaken: false
# | check:12'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/X86/segmented-stacks-dynamic.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll -check-prefix=X86
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mcpu=generic -mtriple=i686-linux -verify-machineinstrs
# 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/X86/segmented-stacks-dynamic.ll -check-prefix=X86
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll:64:13: error: X86-NEXT: expected string not found in input
# | ; X86-NEXT: .cfi_restore %ebp
# | ^
# | <stdin>:57:9: note: scanning from here
# | .LBB0_1:
# | ^
# | <stdin>:65:2: note: possible intended match here
# | .cfi_endproc
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks-dynamic.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 52: leal -4(%ebp), %esp
# | 53: popl %esi
# | 54: popl %ebp
# | 55: .cfi_def_cfa %esp, 4
# | 56: retl
# | 57: .LBB0_1:
# | next:64'0 X error: no match found
# | 58: pushl $4
# | next:64'0 ~~~~~~~~~~
# | 59: pushl $12
# | next:64'0 ~~~~~~~~~~~
# | 60: calll __morestack
# | next:64'0 ~~~~~~~~~~~~~~~~~~~
# | 61: retl
# | next:64'0 ~~~~~~
# | 62: jmp .LBB0_2
# | next:64'0 ~~~~~~~~~~~~~
# | 63: .Lfunc_end0:
# | next:64'0 ~~~~~~~~~~~~~
# | 64: .size test_basic, .Lfunc_end0-test_basic
# | next:64'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 65: .cfi_endproc
# | next:64'0 ~~~~~~~~~~~~~~
# | next:64'1 ? possible intended match
# | 66: # -- End function
# | next:64'0 ~~~~~~~~~~~~~~~~~~~
# | 67: .section ".note.GNU-split-stack","", at progbits
# | next:64'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 68: .section ".note.GNU-stack","", at progbits
# | next:64'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/X86/segmented-stacks.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc < /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks.ll -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks.ll -check-prefix=X86-Linux
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -mcpu=generic -mtriple=i686-linux -verify-machineinstrs
# 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/X86/segmented-stacks.ll -check-prefix=X86-Linux
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks.ll:306:19: error: X86-Linux-NEXT: expected string not found in input
# | ; X86-Linux-NEXT: .cfi_restore %esi
# | ^
# | <stdin>:65:9: note: scanning from here
# | .LBB1_1:
# | ^
# | <stdin>:73:2: note: possible intended match here
# | .cfi_endproc
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/X86/segmented-stacks.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 60: addl $40, %esp
# | 61: .cfi_def_cfa_offset 8
# | 62: popl %esi
# | 63: .cfi_def_cfa_offset 4
# | 64: retl
# | 65: .LBB1_1:
# | next:306'0 X error: no match found
# | 66: pushl $4
# | next:306'0 ~~~~~~~~~~
# | 67: pushl $44
# | next:306'0 ~~~~~~~~~~~
# | 68: calll __morestack
# | next:306'0 ~~~~~~~~~~~~~~~~~~~
# | 69: retl
# | next:306'0 ~~~~~~
# | 70: jmp .LBB1_2
# | next:306'0 ~~~~~~~~~~~~~
# | 71: .Lfunc_end1:
# | next:306'0 ~~~~~~~~~~~~~
# | 72: .size test_nested, .Lfunc_end1-test_nested
# | next:306'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 73: .cfi_endproc
# | next:306'0 ~~~~~~~~~~~~~~
# | next:306'1 ? possible intended match
# | 74: # -- End function
# | next:306'0 ~~~~~~~~~~~~~~~~~~~
# | 75: .globl test_large # -- Begin function test_large
# | next:306'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 76: .p2align 4
# | next:306'0 ~~~~~~~~~~~~
# | 77: .type test_large, at function
# | next:306'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 78: test_large: # @test_large
# | next:306'0 ~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.DebugInfo/MIR/X86/no-cfi-loc.mir</summary>
```
Exit Code: 2
Command Output (stdout):
--
# RUN: at line 3
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -start-after=prologepilog -mtriple=x86_64 -use-unknown-locations=Enable /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/DebugInfo/MIR/X86/no-cfi-loc.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/DebugInfo/MIR/X86/no-cfi-loc.mir
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -start-after=prologepilog -mtriple=x86_64 -use-unknown-locations=Enable /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/DebugInfo/MIR/X86/no-cfi-loc.mir -o -
# .---command stderr------------
# | llc: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/ADT/SmallVector.h:295: reference llvm::SmallVectorTemplateCommon<(anonymous namespace)::CFIInstrInserter::CSRSavedLocation>::operator[](size_type) [T = (anonymous namespace)::CFIInstrInserter::CSRSavedLocation]: Assertion `idx < size()' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -start-after=prologepilog -mtriple=x86_64 -use-unknown-locations=Enable /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/DebugInfo/MIR/X86/no-cfi-loc.mir -o -
# | 1. Running pass 'Function Pass Manager' on module '/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/DebugInfo/MIR/X86/no-cfi-loc.mir'.
# | 2. Running pass 'Check CFA info and insert CFI instructions if needed' on function '@foo'
# | #0 0x0000000007f26918 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:834:13
# | #1 0x0000000007f24025 llvm::sys::RunSignalHandlers() /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Signals.cpp:105:18
# | #2 0x0000000007f276e1 SignalHandler(int, siginfo_t*, void*) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:426:38
# | #3 0x00007b6ebb727330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
# | #4 0x00007b6ebb780b2c pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x9eb2c)
# | #5 0x00007b6ebb72727e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4527e)
# | #6 0x00007b6ebb70a8ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
# | #7 0x00007b6ebb70a81b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
# | #8 0x00007b6ebb71d517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
# | #9 0x0000000006d3b16a back /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/CodeGen/MachineBasicBlock.h:359:0
# | #10 0x0000000006d3b16a isReturnBlock /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/CodeGen/MachineBasicBlock.h:982:24
# | #11 0x0000000006d3b16a verify /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CodeGen/CFIInstrInserter.cpp:509:64
# | #12 0x0000000006d3b16a (anonymous namespace)::CFIInstrInserter::runOnMachineFunction(llvm::MachineFunction&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CodeGen/CFIInstrInserter.cpp:59:31
# | #13 0x0000000006f2fe93 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/CodeGen/MachineFunctionPass.cpp:0:10
# | #14 0x00000000074a15a5 llvm::FPPassManager::runOnFunction(llvm::Function&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1398:27
# | #15 0x00000000074a9552 llvm::FPPassManager::runOnModule(llvm::Module&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1444:13
# | #16 0x00000000074a204c runOnModule /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1513:27
# | #17 0x00000000074a204c llvm::legacy::PassManagerImpl::run(llvm::Module&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:531:44
# | #18 0x0000000004de0222 compileModule(char**, llvm::LLVMContext&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>&) /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/tools/llc/llc.cpp:0:8
# | #19 0x0000000004ddd520 main /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/tools/llc/llc.cpp:450:13
# | #20 0x00007b6ebb70c1ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
# | #21 0x00007b6ebb70c28b __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
# | #22 0x0000000004dd8fa5 _start (/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc+0x4dd8fa5)
# `-----------------------------
# error: command failed with exit status: -6
# 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/DebugInfo/MIR/X86/no-cfi-loc.mir
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/DebugInfo/MIR/X86/no-cfi-loc.mir
# `-----------------------------
# error: command failed with exit status: 2
--
```
</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/170606
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