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1# RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -start-after branch-folder -stop-after branch-folder -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 bitcast (float (...)* @g to float ()*)()
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 .cfi_def_cfa_offset 24
48    CFI_INSTRUCTION .cfi_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 4 from call-entry @foo)
54    %v1 = LwRxRyOffMemX16 %v0, @foo :: (load 4 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 .cfi_def_cfa_offset 32
84    CFI_INSTRUCTION .cfi_offset %ra_64, -4
85    CFI_INSTRUCTION .cfi_offset %s2_64, -8
86    CFI_INSTRUCTION .cfi_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 4 from call-entry @g)
91  ; CHECK-LABEL: test2
92  ; CHECK: %v1 = LwRxRyOffMemX16 %s0, $__mips16_call_stub_sf_0 :: (load 4 from call-entry $__mips16_call_stub_sf_0)
93    %v1 = LwRxRyOffMemX16 %s0, $__mips16_call_stub_sf_0 :: (load 4 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 4 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