Files
clang-p2996/llvm/test/CodeGen/AMDGPU/waitcnt-skip-meta.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 -run-pass si-insert-waitcnts %s -o - | FileCheck %s
# Ensure we insert waitcnts after any meta instructions at the start of
# non-kernel functions. Without this, the inserted waitcnts can affect e.g. the
# PC ranges covered by CFI and debug values.
---
# CHECK-LABEL: name: skip_implicit_def{{$}}
# CHECK: IMPLICIT_DEF
# CHECK: S_WAITCNT
name: skip_implicit_def
machineFunctionInfo:
body: |
bb.0:
$sgpr0 = IMPLICIT_DEF
...
---
# CHECK-LABEL: name: skip_kill{{$}}
# CHECK: KILL
# CHECK: S_WAITCNT
name: skip_kill
machineFunctionInfo:
body: |
bb.0:
KILL $sgpr0
...
---
# CHECK-LABEL: name: skip_cfi{{$}}
# CHECK: CFI_INSTRUCTION
# CHECK: S_WAITCNT
name: skip_cfi
machineFunctionInfo:
body: |
bb.0:
CFI_INSTRUCTION undefined $sgpr0
...
---
# CHECK-LABEL: name: skip_eh_label{{$}}
# CHECK: EH_LABEL
# CHECK: S_WAITCNT
name: skip_eh_label
machineFunctionInfo:
body: |
bb.0:
EH_LABEL 0
...
---
# CHECK-LABEL: name: skip_gc_label{{$}}
# CHECK: GC_LABEL
# CHECK: S_WAITCNT
name: skip_gc_label
machineFunctionInfo:
body: |
bb.0:
GC_LABEL 0
...
---
# CHECK-LABEL: name: skip_dbg_value{{$}}
# CHECK: DBG_VALUE
# CHECK: S_WAITCNT
name: skip_dbg_value
machineFunctionInfo:
body: |
bb.0:
DBG_VALUE 0
...
---
# CHECK-LABEL: name: skip_dbg_label{{$}}
# CHECK: DBG_LABEL
# CHECK: S_WAITCNT
name: skip_dbg_label
machineFunctionInfo:
body: |
bb.0:
DBG_LABEL 0
...
---
# CHECK-LABEL: name: skip_lifetime_start{{$}}
# CHECK: LIFETIME_START
# CHECK: S_WAITCNT
name: skip_lifetime_start
machineFunctionInfo:
body: |
bb.0:
LIFETIME_START 0
...
---
# CHECK-LABEL: name: skip_lifetime_end{{$}}
# CHECK: LIFETIME_END
# CHECK: S_WAITCNT
name: skip_lifetime_end
machineFunctionInfo:
body: |
bb.0:
LIFETIME_END 0
...