xref: /llvm-project/llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/fp-constant-f16.mir (revision dff6871cdbce8569a141d541023061294860fb95)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
2# RUN: llc -mtriple=riscv32 -mattr=+zfh -run-pass=instruction-select \
3# RUN:   -simplify-mir -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,RV32
4# RUN: llc -mtriple=riscv64 -mattr=+zfh -run-pass=instruction-select \
5# RUN:   -simplify-mir -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,RV64
6
7---
8name:            half_imm
9legalized:       true
10regBankSelected: true
11body:             |
12  bb.1:
13    ; RV32-LABEL: name: half_imm
14    ; RV32: [[LUI:%[0-9]+]]:gpr = LUI 4
15    ; RV32-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI [[LUI]], 584
16    ; RV32-NEXT: [[FMV_H_X:%[0-9]+]]:fpr16 = FMV_H_X [[ADDI]]
17    ; RV32-NEXT: $f10_h = COPY [[FMV_H_X]]
18    ; RV32-NEXT: PseudoRET implicit $f10_h
19    ;
20    ; RV64-LABEL: name: half_imm
21    ; RV64: [[LUI:%[0-9]+]]:gpr = LUI 4
22    ; RV64-NEXT: [[ADDIW:%[0-9]+]]:gpr = ADDIW [[LUI]], 584
23    ; RV64-NEXT: [[FMV_H_X:%[0-9]+]]:fpr16 = FMV_H_X [[ADDIW]]
24    ; RV64-NEXT: $f10_h = COPY [[FMV_H_X]]
25    ; RV64-NEXT: PseudoRET implicit $f10_h
26    %0:fprb(s16) = G_FCONSTANT half 0xH4248
27    $f10_h = COPY %0(s16)
28    PseudoRET implicit $f10_h
29
30...
31---
32name:            half_imm_op
33legalized:       true
34regBankSelected: true
35body:             |
36  bb.1:
37    liveins: $f10_h
38
39    ; CHECK-LABEL: name: half_imm_op
40    ; CHECK: liveins: $f10_h
41    ; CHECK-NEXT: {{  $}}
42    ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr16 = COPY $f10_h
43    ; CHECK-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI $x0, 15
44    ; CHECK-NEXT: [[SLLI:%[0-9]+]]:gpr = SLLI [[ADDI]], 10
45    ; CHECK-NEXT: [[FMV_H_X:%[0-9]+]]:fpr16 = FMV_H_X [[SLLI]]
46    ; CHECK-NEXT: [[FADD_H:%[0-9]+]]:fpr16 = nofpexcept FADD_H [[COPY]], [[FMV_H_X]], 7
47    ; CHECK-NEXT: $f10_h = COPY [[FADD_H]]
48    ; CHECK-NEXT: PseudoRET implicit $f10_h
49    %0:fprb(s16) = COPY $f10_h
50    %1:fprb(s16) = G_FCONSTANT half 1.000000e+00
51    %2:fprb(s16) = G_FADD %0, %1
52    $f10_h = COPY %2(s16)
53    PseudoRET implicit $f10_h
54
55...
56---
57name:            half_positive_zero
58legalized:       true
59regBankSelected: true
60body:             |
61  bb.1:
62    liveins: $x10
63
64    ; CHECK-LABEL: name: half_positive_zero
65    ; CHECK: liveins: $x10
66    ; CHECK-NEXT: {{  $}}
67    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x0
68    ; CHECK-NEXT: [[FMV_H_X:%[0-9]+]]:fpr16 = FMV_H_X [[COPY]]
69    ; CHECK-NEXT: $f10_h = COPY [[FMV_H_X]]
70    ; CHECK-NEXT: PseudoRET implicit $f10_h
71    %1:fprb(s16) = G_FCONSTANT half 0.000000e+00
72    $f10_h = COPY %1(s16)
73    PseudoRET implicit $f10_h
74
75...
76---
77name:            half_negative_zero
78legalized:       true
79regBankSelected: true
80body:             |
81  bb.1:
82    liveins: $x10
83
84    ; CHECK-LABEL: name: half_negative_zero
85    ; CHECK: liveins: $x10
86    ; CHECK-NEXT: {{  $}}
87    ; CHECK-NEXT: [[LUI:%[0-9]+]]:gpr = LUI 1048568
88    ; CHECK-NEXT: [[FMV_H_X:%[0-9]+]]:fpr16 = FMV_H_X [[LUI]]
89    ; CHECK-NEXT: $f10_h = COPY [[FMV_H_X]]
90    ; CHECK-NEXT: PseudoRET implicit $f10_h
91    %1:fprb(s16) = G_FCONSTANT half -0.000000e+00
92    $f10_h = COPY %1(s16)
93    PseudoRET implicit $f10_h
94
95...
96