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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/sgpr-spills-empty-prolog-block.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s
# Test that the si-lower-sgpr-spills pass does not defeference a
# machine instruction iterator that is equal to end().
---
name: empty_prolog_block
stack:
- { id: 0, name: '', type: spill-slot, offset: 0, size: 32, alignment: 4,
stack-id: sgpr-spill, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
machineFunctionInfo:
hasSpilledSGPRs: true
body: |
; CHECK-LABEL: name: empty_prolog_block
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $sgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
; CHECK-NEXT: $sgpr0 = SI_RESTORE_S32_FROM_VGPR [[DEF]], 0
; CHECK-NEXT: S_ENDPGM 0
bb.0:
liveins: $sgpr0
bb.1:
renamable $sgpr0 = SI_SPILL_S32_RESTORE %stack.0, implicit $exec, implicit $sgpr32
S_ENDPGM 0
...