Files
clang-p2996/llvm/test/CodeGen/MIR/AMDGPU/stack-id.mir
Fangrui Song 9e9907f1cf [AMDGPU,test] Change llc -march= to -mtriple= (#75982)
Similar to 806761a762.

For IR files without a target triple, -mtriple= specifies the full
target triple while -march= merely sets the architecture part of the
default target triple, leaving a target triple which may not make sense,
e.g. amdgpu-apple-darwin.

Therefore, -march= is error-prone and not recommended for tests without
a target triple. The issue has been benign as we recognize
$unknown-apple-darwin as ELF instead of rejecting it outrightly.

This patch changes AMDGPU tests to not rely on the default
OS/environment components. Tests that need fixes are not changed:

```
  LLVM :: CodeGen/AMDGPU/fabs.f64.ll
  LLVM :: CodeGen/AMDGPU/fabs.ll
  LLVM :: CodeGen/AMDGPU/floor.ll
  LLVM :: CodeGen/AMDGPU/fneg-fabs.f64.ll
  LLVM :: CodeGen/AMDGPU/fneg-fabs.ll
  LLVM :: CodeGen/AMDGPU/r600-infinite-loop-bug-while-reorganizing-vector.ll
  LLVM :: CodeGen/AMDGPU/schedule-if-2.ll
```
2024-01-16 21:54:58 -08:00

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# RUN: llc -mtriple=amdgcn -run-pass none -o - %s | FileCheck %s
...
---
# CHECK-LABEL: name: spill_slot_stack_id
# CHECK: {{^}}fixedStack:
# CHECK: - { id: 0, type: spill-slot, offset: 0, size: 4, alignment: 4, stack-id: default,
# CHECK: - { id: 1, type: spill-slot, offset: 0, size: 8, alignment: 4, stack-id: default,
# CHECK: - { id: 2, type: spill-slot, offset: 0, size: 16, alignment: 4, stack-id: noalloc,
# CHECK: {{^}}stack:
# CHECK: - { id: 0, name: '', type: spill-slot, offset: 0, size: 16,
# CHECK-NEXT: stack-id: noalloc,
# CHECK: - { id: 1, name: '', type: spill-slot, offset: 0, size: 8,
# CHECK-NEXT: stack-id: default,
# CHECK: - { id: 2, name: '', type: spill-slot, offset: 0, size: 4,
# CHECK-NEXT: stack-id: default,
name: spill_slot_stack_id
fixedStack:
- { id: 0, type: spill-slot, offset: 0, size: 16, alignment: 4, stack-id: noalloc }
- { id: 1, type: spill-slot, offset: 0, size: 8, alignment: 4, stack-id: default }
- { id: 2, type: spill-slot, offset: 0, size: 4, alignment: 4 }
stack:
- { id: 0, name: '', type: spill-slot, offset: 0, size: 16, alignment: 4, stack-id: noalloc }
- { id: 1, name: '', type: spill-slot, offset: 0, size: 8, alignment: 4, stack-id: default }
- { id: 2, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4 }
body: |
bb.0:
S_ENDPGM 0
...