1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
3--- |
4
5  declare i32 @puts(i8*)
6  declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i1)
7
8  define void @Print_c_N_times(i8 %c, i32 %N) {
9  entry:
10    %add = add i32 %N, 1
11    %vla = alloca i8, i32 %add, align 1
12    call void @llvm.memset.p0i8.i32(i8* align 1 %vla, i8 %c, i32 %N, i1 false)
13    %arrayidx = getelementptr inbounds i8, i8* %vla, i32 %N
14    store i8 0, i8* %arrayidx, align 1
15    %call = call i32 @puts(i8* %vla)
16    ret void
17  }
18
19...
20---
21name:            Print_c_N_times
22alignment:       4
23tracksRegLiveness: true
24stack:
25  - { id: 0, name: vla, type: variable-sized, alignment: 1 }
26body:             |
27  bb.1.entry:
28    liveins: $a0, $a1
29
30    ; MIPS32-LABEL: name: Print_c_N_times
31    ; MIPS32: liveins: $a0, $a1
32    ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
33    ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
34    ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
35    ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
36    ; MIPS32: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[COPY1]], [[C]]
37    ; MIPS32: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[ADD]], [[C]]
38    ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 7
39    ; MIPS32: [[ADD1:%[0-9]+]]:_(s32) = nuw G_ADD [[MUL]], [[C2]]
40    ; MIPS32: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -8
41    ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[ADD1]], [[C3]]
42    ; MIPS32: [[COPY2:%[0-9]+]]:_(p0) = COPY $sp
43    ; MIPS32: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY2]](p0)
44    ; MIPS32: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[PTRTOINT]], [[AND]]
45    ; MIPS32: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[SUB]](s32)
46    ; MIPS32: $sp = COPY [[INTTOPTR]](p0)
47    ; MIPS32: [[COPY3:%[0-9]+]]:_(p0) = COPY [[INTTOPTR]](p0)
48    ; MIPS32: ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
49    ; MIPS32: $a0 = COPY [[COPY3]](p0)
50    ; MIPS32: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
51    ; MIPS32: $a1 = COPY [[COPY4]](s32)
52    ; MIPS32: $a2 = COPY [[COPY1]](s32)
53    ; MIPS32: JAL &memset, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit $a2
54    ; MIPS32: ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
55    ; MIPS32: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY3]], [[COPY1]](s32)
56    ; MIPS32: [[COPY5:%[0-9]+]]:_(p0) = COPY [[GEP]](p0)
57    ; MIPS32: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
58    ; MIPS32: G_STORE [[COPY6]](s32), [[COPY5]](p0) :: (store 1 into %ir.arrayidx)
59    ; MIPS32: ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
60    ; MIPS32: $a0 = COPY [[COPY3]](p0)
61    ; MIPS32: JAL @puts, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit-def $v0
62    ; MIPS32: ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
63    ; MIPS32: RetRA
64    %2:_(s32) = COPY $a0
65    %0:_(s8) = G_TRUNC %2(s32)
66    %1:_(s32) = COPY $a1
67    %3:_(s32) = G_CONSTANT i32 1
68    %13:_(s8) = G_CONSTANT i8 0
69    %4:_(s32) = G_ADD %1, %3
70    %5:_(s32) = G_MUL %4, %3
71    %6:_(s32) = G_CONSTANT i32 7
72    %7:_(s32) = nuw G_ADD %5, %6
73    %8:_(s32) = G_CONSTANT i32 -8
74    %9:_(s32) = G_AND %7, %8
75    %10:_(p0) = G_DYN_STACKALLOC %9(s32), 0
76    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.memset), %10(p0), %0(s8), %1(s32), 0 :: (store 1 into %ir.vla)
77    %11:_(p0) = G_GEP %10, %1(s32)
78    %12:_(p0) = COPY %11(p0)
79    G_STORE %13(s8), %12(p0) :: (store 1 into %ir.arrayidx)
80    ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
81    $a0 = COPY %10(p0)
82    JAL @puts, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit-def $v0
83    ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
84    RetRA
85
86...
87