llvm-project/llvm/test/CodeGen/AMDGPU/resource-usage-crash-unhandled-reg.mir
Fangrui Song 9e9907f1cf
[AMDGPU,test] Change llc -march= to -mtriple= (#75982)
Similar to 806761a7629df268c8aed49657aeccffa6bca449.

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 -mcpu=gfx90a -run-pass=amdgpu-resource-usage -verify-machineinstrs %s -o -
# Checks that ResourceUsageAnalysis does not assert if it sees agpr_lo16, agpr_hi16 or TTMP regs.
---
name: test
tracksRegLiveness: true
frameInfo:
hasCalls: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $ttmp0, $ttmp0_ttmp1, $ttmp0_ttmp1_ttmp2_ttmp3
$vgpr0 = COPY $ttmp0
$vgpr1_vgpr2 = COPY $ttmp0_ttmp1
$vgpr1_vgpr2_vgpr3_vgpr4 = COPY $ttmp0_ttmp1_ttmp2_ttmp3
$vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8 = COPY $ttmp0_ttmp1_ttmp2_ttmp3_ttmp4_ttmp5_ttmp6_ttmp7
$vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16 = COPY $ttmp0_ttmp1_ttmp2_ttmp3_ttmp4_ttmp5_ttmp6_ttmp7_ttmp8_ttmp9_ttmp10_ttmp11_ttmp12_ttmp13_ttmp14_ttmp15
$agpr1_lo16 = IMPLICIT_DEF
$agpr1_hi16 = IMPLICIT_DEF
$sgpr2_sgpr3 = SI_CALL undef $sgpr0_sgpr1, 0, CustomRegMask()
S_ENDPGM 0
...