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clang-p2996/llvm/test/CodeGen/AMDGPU/remove-short-exec-branches-special-instructions.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 -mcpu=gfx1010 -run-pass=si-pre-emit-peephole -amdgpu-skip-threshold=10 -verify-machineinstrs %s -o - | FileCheck %s
# Make sure mandatory skips are not removed around mode defs.
# FIXME: -amdgpu-skip-threshold seems to be backwards.
---
name: need_skip_setreg_imm32_b32
body: |
; CHECK-LABEL: name: need_skip_setreg_imm32_b32
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: S_SETREG_IMM32_B32 3, 2177, implicit-def $mode, implicit $mode
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
successors: %bb.2
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SETREG_IMM32_B32 3, 2177, implicit-def $mode, implicit $mode
bb.2:
S_ENDPGM 0
...
---
name: need_skip_setreg_b32
body: |
; CHECK-LABEL: name: need_skip_setreg_b32
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: liveins: $sgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: S_SETREG_B32 $sgpr0, 3, implicit-def $mode, implicit $mode
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
liveins: $sgpr0
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
liveins: $sgpr0
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_SETREG_B32 $sgpr0, 3, implicit-def $mode, implicit $mode
bb.2:
S_ENDPGM 0
...
---
name: need_skip_denorm_mode
body: |
; CHECK-LABEL: name: need_skip_denorm_mode
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: S_DENORM_MODE 3, implicit-def $mode, implicit $mode
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_DENORM_MODE 3, implicit-def $mode, implicit $mode
bb.2:
S_ENDPGM 0
...
---
name: need_skip_round_mode
body: |
; CHECK-LABEL: name: need_skip_round_mode
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec
; CHECK-NEXT: S_ROUND_MODE 3, implicit-def $mode, implicit $mode
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
$vgpr0 = V_MOV_B32_e32 0, implicit $exec
S_ROUND_MODE 3, implicit-def $mode, implicit $mode
bb.2:
S_ENDPGM 0
...
---
name: need_skip_writelane_b32
body: |
; CHECK-LABEL: name: need_skip_writelane_b32
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $sgpr0 = IMPLICIT_DEF
; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 $sgpr0, 0, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
successors: %bb.2
$sgpr0 = IMPLICIT_DEF
$vgpr0 = V_WRITELANE_B32 $sgpr0, 0, $vgpr0
bb.2:
S_ENDPGM 0
...
---
name: need_skip_readlane_b32
body: |
; CHECK-LABEL: name: need_skip_readlane_b32
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
S_CBRANCH_EXECZ %bb.2, implicit $exec
bb.1:
successors: %bb.2
$vgpr0 = IMPLICIT_DEF
$sgpr0 = V_READLANE_B32 $vgpr0, 0
bb.2:
S_ENDPGM 0
...
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