Files
clang-p2996/llvm/test/CodeGen/AMDGPU/shrink-carry.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 -mcpu=gfx900 -verify-machineinstrs -start-before si-shrink-instructions -stop-before si-late-branch-lowering -o - %s | FileCheck -check-prefix=GCN %s
# GCN-LABEL: name: subbrev{{$}}
# GCN: V_SUBBREV_U32_e32 0, undef $vgpr0, implicit-def dead $vcc, implicit killed $vcc, implicit $exec
---
name: subbrev
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sreg_64_xexec }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_64_xexec }
body: |
bb.0:
%0 = IMPLICIT_DEF
%1 = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%3 = V_CMP_GT_U32_e64 %0, %1, implicit $exec
%4, %5 = V_SUBBREV_U32_e64 0, %0, %3, 0, implicit $exec
GLOBAL_STORE_DWORD undef $vgpr0_vgpr1, %4, 0, 0, implicit $exec
...
# GCN-LABEL: name: subb{{$}}
# GCN: V_SUBBREV_U32_e32 0, undef $vgpr0, implicit-def dead $vcc, implicit killed $vcc, implicit $exec
---
name: subb
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sreg_64_xexec }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_64_xexec }
body: |
bb.0:
%0 = IMPLICIT_DEF
%1 = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%3 = V_CMP_GT_U32_e64 %0, %1, implicit $exec
%4, %5 = V_SUBB_U32_e64 %0, 0, %3, 0, implicit $exec
GLOBAL_STORE_DWORD undef $vgpr0_vgpr1, %4, 0, 0, implicit $exec
...
# GCN-LABEL: name: addc{{$}}
# GCN: V_ADDC_U32_e32 0, undef $vgpr0, implicit-def dead $vcc, implicit killed $vcc, implicit $exec
---
name: addc
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sreg_64_xexec }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_64_xexec }
body: |
bb.0:
%0 = IMPLICIT_DEF
%1 = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%3 = V_CMP_GT_U32_e64 %0, %1, implicit $exec
%4, %5 = V_ADDC_U32_e64 0, %0, %3, 0, implicit $exec
GLOBAL_STORE_DWORD undef $vgpr0_vgpr1, %4, 0, 0, implicit $exec
...
# GCN-LABEL: name: addc2{{$}}
# GCN: V_ADDC_U32_e32 0, undef $vgpr0, implicit-def dead $vcc, implicit killed $vcc, implicit $exec
---
name: addc2
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: sreg_64_xexec }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_64_xexec }
body: |
bb.0:
%0 = IMPLICIT_DEF
%1 = IMPLICIT_DEF
%2 = IMPLICIT_DEF
%3 = V_CMP_GT_U32_e64 %0, %1, implicit $exec
%4, %5 = V_ADDC_U32_e64 %0, 0, %3, 0, implicit $exec
GLOBAL_STORE_DWORD undef $vgpr0_vgpr1, %4, 0, 0, implicit $exec
...