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