xref: /llvm-project/llvm/test/CodeGen/AMDGPU/fold-short-64-bit-literals.mir (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
2# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass=si-fold-operands -o - %s | FileCheck --check-prefix=GCN %s
3
4---
5name:            no_fold_fp_64bit_literal_sgpr
6tracksRegLiveness: true
7body:             |
8  bb.0:
9
10    ; GCN-LABEL: name: no_fold_fp_64bit_literal_sgpr
11    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
12    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
13    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, [[S_MOV_B]], 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
14    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
15    %0:vreg_64 = IMPLICIT_DEF
16    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
17    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
18    SI_RETURN_TO_EPILOG %2
19...
20
21---
22name:            no_fold_fp_64bit_literal_vgpr
23tracksRegLiveness: true
24body:             |
25  bb.0:
26
27    ; GCN-LABEL: name: no_fold_fp_64bit_literal_vgpr
28    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
29    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
30    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, [[V_MOV_B]], 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
31    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
32    %0:vreg_64 = IMPLICIT_DEF
33    %1:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
34    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
35    SI_RETURN_TO_EPILOG %2
36...
37
38---
39name:            fold_fp_32bit_literal_sgpr
40tracksRegLiveness: true
41body:             |
42  bb.0:
43
44    ; GCN-LABEL: name: fold_fp_32bit_literal_sgpr
45    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
46    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, 4636737291354636288, 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
47    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
48    %0:vreg_64 = IMPLICIT_DEF
49    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 4636737291354636288
50    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
51    SI_RETURN_TO_EPILOG %2
52...
53
54---
55name:            no_fold_int_64bit_literal_sgpr
56tracksRegLiveness: true
57body:             |
58  bb.0:
59
60    ; GCN-LABEL: name: no_fold_int_64bit_literal_sgpr
61    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
62    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
63    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], [[S_MOV_B]], implicit-def $scc
64    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
65    %0:sreg_64 = IMPLICIT_DEF
66    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
67    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
68    SI_RETURN_TO_EPILOG %2
69...
70
71---
72name:            fold_int_32bit_literal_sgpr
73tracksRegLiveness: true
74body:             |
75  bb.0:
76
77    ; GCN-LABEL: name: fold_int_32bit_literal_sgpr
78    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
79    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], 2147483647, implicit-def $scc
80    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
81    %0:sreg_64 = IMPLICIT_DEF
82    %1:sreg_64 = S_MOV_B64 2147483647
83    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
84    SI_RETURN_TO_EPILOG %2
85...
86
87# FIXME: This could be folded, but we do not know if operand of S_AND_B64 is signed or unsigned
88#        and if it will be sign or zero extended.
89
90---
91name:            fold_uint_32bit_literal_sgpr
92tracksRegLiveness: true
93body:             |
94  bb.0:
95
96    ; GCN-LABEL: name: fold_uint_32bit_literal_sgpr
97    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
98    ; GCN-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 4294967295
99    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], [[S_MOV_B64_]], implicit-def $scc
100    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
101    %0:sreg_64 = IMPLICIT_DEF
102    %1:sreg_64 = S_MOV_B64 4294967295
103    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
104    SI_RETURN_TO_EPILOG %2
105...
106
107---
108name:            no_fold_v2fp_64bit_literal_sgpr
109tracksRegLiveness: true
110body:             |
111  bb.0:
112
113    ; GCN-LABEL: name: no_fold_v2fp_64bit_literal_sgpr
114    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
115    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 4629700418019000320, implicit $exec
116    ; GCN-NEXT: [[V_PK_ADD_F32_:%[0-9]+]]:vreg_64 = V_PK_ADD_F32 0, [[DEF]], 0, [[V_MOV_B]], 0, 0, 0, 0, 0, implicit $mode, implicit $exec
117    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_PK_ADD_F32_]]
118    %0:vreg_64 = IMPLICIT_DEF
119    %1:vreg_64 = V_MOV_B64_PSEUDO 4629700418019000320, implicit $exec
120    %2:vreg_64 = V_PK_ADD_F32 0, %0, 0, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
121    SI_RETURN_TO_EPILOG %2
122...
123
124---
125name:            fold_v2fp_32bit_literal_sgpr
126tracksRegLiveness: true
127body:             |
128  bb.0:
129
130    ; GCN-LABEL: name: fold_v2fp_32bit_literal_sgpr
131    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
132    ; GCN-NEXT: [[V_PK_ADD_F32_:%[0-9]+]]:vreg_64 = V_PK_ADD_F32 0, [[DEF]], 0, 1065353216, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
133    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_PK_ADD_F32_]]
134    %0:vreg_64 = IMPLICIT_DEF
135    %1:vreg_64 = V_MOV_B64_PSEUDO 1065353216, implicit $exec
136    %2:vreg_64 = V_PK_ADD_F32 0, %0, 0, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
137    SI_RETURN_TO_EPILOG %2
138...
139