1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=si-shrink-instructions -verify-machineinstrs -o - %s | FileCheck %s
5 name: undef_and_operand_to_bitset0
6 tracksRegLiveness: true
9 ; CHECK-LABEL: name: undef_and_operand_to_bitset0
10 ; CHECK: renamable $sgpr4 = S_BITSET0_B32 31, undef $sgpr4, implicit-def dead $scc
11 ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
12 renamable $sgpr4 = S_AND_B32 undef renamable $sgpr4, 2147483647, implicit-def dead $scc
13 S_ENDPGM 0, implicit $sgpr4
18 name: undef_or_operand_to_orn2
19 tracksRegLiveness: true
22 ; CHECK-LABEL: name: undef_or_operand_to_orn2
23 ; CHECK: renamable $sgpr4 = S_ORN2_B32 undef renamable $sgpr4, 16, implicit-def dead $scc
24 ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
25 renamable $sgpr4 = S_OR_B32 undef renamable $sgpr4, -17, implicit-def dead $scc
26 S_ENDPGM 0, implicit $sgpr4
31 name: undef_xor_operand_to_orn2
32 tracksRegLiveness: true
35 ; CHECK-LABEL: name: undef_xor_operand_to_orn2
36 ; CHECK: renamable $sgpr4 = S_XNOR_B32 undef renamable $sgpr4, 16, implicit-def dead $scc
37 ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
38 renamable $sgpr4 = S_XOR_B32 undef renamable $sgpr4, -17, implicit-def dead $scc
39 S_ENDPGM 0, implicit $sgpr4
44 name: kill_and_operand_to_bitset0
45 tracksRegLiveness: true
49 ; CHECK-LABEL: name: kill_and_operand_to_bitset0
50 ; CHECK: liveins: $sgpr4
52 ; CHECK-NEXT: renamable $sgpr4 = S_BITSET0_B32 31, killed $sgpr4, implicit-def dead $scc
53 ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
54 renamable $sgpr4 = S_AND_B32 killed renamable $sgpr4, 2147483647, implicit-def dead $scc
55 S_ENDPGM 0, implicit $sgpr4
59 # Make sure we don't clobber the live value in scc by replacing the
60 # s_mov_b32 imm with s_not_b32 ~imm
62 name: scalar_immediate_bitwise_not_live_scc
63 tracksRegLiveness: true
66 liveins: $sgpr4, $sgpr5
67 ; CHECK-LABEL: name: scalar_immediate_bitwise_not_live_scc
68 ; CHECK: liveins: $sgpr4, $sgpr5
70 ; CHECK-NEXT: S_CMP_EQ_U32 killed renamable $sgpr4, killed renamable $sgpr5, implicit-def $scc
71 ; CHECK-NEXT: $sgpr6 = S_MOV_B32 -1065353217
72 ; CHECK-NEXT: $sgpr7 = S_CSELECT_B32 1, 2, implicit $scc
73 ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr6
74 S_CMP_EQ_U32 killed renamable $sgpr4, killed renamable $sgpr5, implicit-def $scc
75 $sgpr6 = S_MOV_B32 -1065353217
76 $sgpr7 = S_CSELECT_B32 1, 2, implicit $scc
77 S_ENDPGM 0, implicit $sgpr6