Files
clang-p2996/llvm/test/CodeGen/MIR/AMDGPU/target-flags.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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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -run-pass none -o - %s | FileCheck %s
--- |
define amdgpu_kernel void @flags() {
ret void
}
declare void @foo()
...
---
name: flags
liveins:
- { reg: '$sgpr0_sgpr1' }
frameInfo:
maxAlignment: 8
registers:
- { id: 0, class: sreg_64, preferred-register: '' }
- { id: 1, class: sreg_64, preferred-register: '' }
body: |
bb.0:
liveins: $sgpr0_sgpr1
; CHECK-LABEL: name: flags
; CHECK: [[SI_PC_ADD_REL_OFFSET:%[0-9]+]]:sreg_64 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @foo + 4, target-flags(amdgpu-rel32-hi) @foo + 12, implicit-def dead $scc
; CHECK: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 target-flags(amdgpu-gotprel) @foo
; CHECK: S_ENDPGM 0
%0 = SI_PC_ADD_REL_OFFSET target-flags(amdgpu-rel32-lo) @foo + 4, target-flags(amdgpu-rel32-hi) @foo + 12, implicit-def dead $scc
%1 = S_MOV_B64 target-flags(amdgpu-gotprel) @foo
%2:sreg_32 = S_MOV_B32 target-flags(amdgpu-abs32-lo) @foo
%3:sreg_32 = S_MOV_B32 target-flags(amdgpu-abs32-hi) @foo
S_ENDPGM 0
...