xref: /llvm-project/llvm/test/CodeGen/Mips/GlobalISel/instruction-select/stack_args.mir (revision fae05692a36f9ebbd201d93c2a6b0f927564d7e6)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
3--- |
4
5  declare i32 @f(i32, i32, i32, i32, i32)
6  define void @g(i32, i32, i32, i32, i32) {entry: ret void}
7
8...
9---
10name:            g
11alignment:       4
12legalized:       true
13regBankSelected: true
14tracksRegLiveness: true
15fixedStack:
16  - { id: 0, offset: 16, size: 4, alignment: 8, stack-id: default, isImmutable: true }
17body:             |
18  bb.1.entry:
19    liveins: $a0, $a1, $a2, $a3
20
21    ; MIPS32-LABEL: name: g
22    ; MIPS32: liveins: $a0, $a1, $a2, $a3
23    ; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
24    ; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
25    ; MIPS32: [[COPY2:%[0-9]+]]:gpr32 = COPY $a2
26    ; MIPS32: [[COPY3:%[0-9]+]]:gpr32 = COPY $a3
27    ; MIPS32: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.0, 0
28    ; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load (s32) from %fixed-stack.0, align 8)
29    ; MIPS32: ADJCALLSTACKDOWN 24, 0, implicit-def $sp, implicit $sp
30    ; MIPS32: $a0 = COPY [[COPY]]
31    ; MIPS32: $a1 = COPY [[COPY1]]
32    ; MIPS32: $a2 = COPY [[COPY2]]
33    ; MIPS32: $a3 = COPY [[COPY3]]
34    ; MIPS32: [[COPY4:%[0-9]+]]:gpr32 = COPY $sp
35    ; MIPS32: SW [[LW]], [[COPY4]], 16 :: (store (s32) into stack + 16)
36    ; MIPS32: JAL @f, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit $a2, implicit $a3, implicit-def $v0
37    ; MIPS32: [[COPY5:%[0-9]+]]:gpr32 = COPY $v0
38    ; MIPS32: ADJCALLSTACKUP 24, 0, implicit-def $sp, implicit $sp
39    ; MIPS32: $v0 = COPY [[COPY5]]
40    ; MIPS32: RetRA implicit $v0
41    %0:gprb(s32) = COPY $a0
42    %1:gprb(s32) = COPY $a1
43    %2:gprb(s32) = COPY $a2
44    %3:gprb(s32) = COPY $a3
45    %5:gprb(p0) = G_FRAME_INDEX %fixed-stack.0
46    %4:gprb(s32) = G_LOAD %5(p0) :: (load (s32) from %fixed-stack.0, align 8)
47    ADJCALLSTACKDOWN 24, 0, implicit-def $sp, implicit $sp
48    $a0 = COPY %0(s32)
49    $a1 = COPY %1(s32)
50    $a2 = COPY %2(s32)
51    $a3 = COPY %3(s32)
52    %7:gprb(p0) = COPY $sp
53    %8:gprb(s32) = G_CONSTANT i32 16
54    %9:gprb(p0) = G_PTR_ADD %7, %8(s32)
55    G_STORE %4(s32), %9(p0) :: (store (s32) into stack + 16, align 4)
56    JAL @f, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit $a2, implicit $a3, implicit-def $v0
57    %6:gprb(s32) = COPY $v0
58    ADJCALLSTACKUP 24, 0, implicit-def $sp, implicit $sp
59    $v0 = COPY %6(s32)
60    RetRA implicit $v0
61
62...
63