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llvm-mirror/test/CodeGen/AMDGPU/waitcnt-skip-meta.mir
Scott Linder b04677bc50 [AMDGPU] Skip CFIInstructions in SIInsertWaitcnts
Summary:
CFI emitted during PEI at the beginning of the prologue needs to apply
to any inserted waitcnts on function entry.

Reviewers: arsenm, t-tye, RamNalamothu

Reviewed By: arsenm

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, kerbowa, llvm-commits

Tags: #llvm, #debug-info

Differential Revision: https://reviews.llvm.org/D76881
2020-06-17 12:41:03 -04:00

97 lines
1.7 KiB
YAML

# RUN: llc -march=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
...