xref: /llvm-project/llvm/test/CodeGen/MIR/Mips/memory-operands.mir (revision ae26f50aea4ef1a6c7058019f0db11a91bbcdade) 
1# RUN: llc -mtriple=mipsel -mattr=mips16 -relocation-model=pic -run-pass none -o - %s | FileCheck %s
2# This test ensures that the MIR parser parses the call entry pseudo source
3# values in memory operands correctly.
4
5--- |
6  define i32 @test(i32 %a) {
7  entry:
8    %call = call i32 @foo(i32 %a)
9    ret i32 0
10  }
11
12  declare i32 @foo(i32)
13
14  define float @test2() #0 {
15  entry:
16    %call = tail call float @g()
17    call void @__mips16_ret_sf(float %call)
18    ret float %call
19  }
20
21  declare float @g(...)
22
23  declare void @__mips16_ret_sf(float) #1
24
25  attributes #0 = { "saveS2" }
26  attributes #1 = { noinline readnone "__Mips16RetHelper" }
27...
28---
29name:            test
30tracksRegLiveness: true
31liveins:
32  - { reg: '$a0' }
33frameInfo:
34  stackSize:       24
35  maxAlignment:    4
36  adjustsStack:    true
37  hasCalls:        true
38  maxCallFrameSize: 16
39stack:
40  - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4,
41      callee-saved-register: '$ra' }
42body:             |
43  bb.0.entry:
44    liveins: $a0, $ra
45
46    Save16 $ra, 24, implicit-def $sp, implicit $sp
47    CFI_INSTRUCTION def_cfa_offset 24
48    CFI_INSTRUCTION offset $ra_64, -4
49    $v0, $v1 = GotPrologue16 &_gp_disp, &_gp_disp
50    $v0 = SllX16 killed $v0, 16
51    $v0 = AdduRxRyRz16 killed $v1, killed $v0
52  ; CHECK-LABEL: name: test
53  ; CHECK: $v1 = LwRxRyOffMemX16 $v0, @foo :: (load (s32) from call-entry @foo)
54    $v1 = LwRxRyOffMemX16 $v0, @foo :: (load (s32) from call-entry @foo)
55    $t9 = COPY $v1
56    $gp = COPY killed $v0
57    JumpLinkReg16 killed $v1, csr_o32, implicit-def $ra, implicit killed $t9, implicit $a0, implicit killed $gp, implicit-def $sp, implicit-def dead $v0
58    $v0 = LiRxImmX16 0
59    $ra = Restore16 24, implicit-def $sp, implicit $sp
60    RetRA16 implicit $v0
61...
62---
63name:            test2
64tracksRegLiveness: true
65frameInfo:
66  stackSize:       32
67  maxAlignment:    4
68  adjustsStack:    true
69  hasCalls:        true
70  maxCallFrameSize: 16
71stack:
72  - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4,
73      callee-saved-register: '$ra' }
74  - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4,
75      callee-saved-register: '$s2' }
76  - { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4,
77      callee-saved-register: '$s0' }
78body:             |
79  bb.0.entry:
80    liveins: $ra, $s2, $s0, $ra, $s2, $s0
81
82    SaveX16 $s0, $ra, $s2, 32, implicit-def $sp, implicit $sp
83    CFI_INSTRUCTION def_cfa_offset 32
84    CFI_INSTRUCTION offset $ra_64, -4
85    CFI_INSTRUCTION offset $s2_64, -8
86    CFI_INSTRUCTION offset $s0_64, -12
87    $v0, $v1 = GotPrologue16 &_gp_disp, &_gp_disp
88    $v0 = SllX16 killed $v0, 16
89    $s0 = AdduRxRyRz16 killed $v1, killed $v0
90    $v0 = LwRxRyOffMemX16 $s0, @g :: (load (s32) from call-entry @g)
91  ; CHECK-LABEL: test2
92  ; CHECK: $v1 = LwRxRyOffMemX16 $s0, &__mips16_call_stub_sf_0 :: (load (s32) from call-entry &__mips16_call_stub_sf_0)
93    $v1 = LwRxRyOffMemX16 $s0, &__mips16_call_stub_sf_0 :: (load (s32) from call-entry &__mips16_call_stub_sf_0)
94    $gp = COPY $s0
95    JumpLinkReg16 killed $v1, csr_o32, implicit-def $ra, implicit $v0, implicit killed $gp, implicit-def $sp, implicit-def $v0
96    $v1 = LwRxRyOffMemX16 $s0, @__mips16_ret_sf :: (load (s32) from call-entry @__mips16_ret_sf)
97    $t9 = COPY $v1
98    $gp = COPY killed $s0
99    JumpLinkReg16 killed $v1, csr_mips16rethelper, implicit-def $ra, implicit killed $t9, implicit $v0, implicit killed $gp, implicit-def $sp
100    $s0, $ra, $s2 = RestoreX16 32, implicit-def $sp, implicit $sp
101    RetRA16 implicit $v0
102...
103