xref: /llvm-project/llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/var_arg.ll (revision 8663926a544602932d299dda435ed1ef70a05f48) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc  -O0 -mtriple=mipsel-linux-gnu -global-isel  -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32
3
4@.str = private unnamed_addr constant [11 x i8] c"string %s\0A\00", align 1
5declare void @llvm.va_start(ptr)
6declare void @llvm.va_copy(ptr, ptr)
7declare i32 @printf(ptr, ...)
8
9define void @testVaCopyArg(ptr %fmt, ...) {
10; MIPS32-LABEL: testVaCopyArg:
11; MIPS32:       # %bb.0: # %entry
12; MIPS32-NEXT:    addiu $sp, $sp, -40
13; MIPS32-NEXT:    .cfi_def_cfa_offset 40
14; MIPS32-NEXT:    sw $ra, 36($sp) # 4-byte Folded Spill
15; MIPS32-NEXT:    .cfi_offset 31, -4
16; MIPS32-NEXT:    move $3, $4
17; MIPS32-NEXT:    addiu $1, $sp, 44
18; MIPS32-NEXT:    sw $5, 0($1)
19; MIPS32-NEXT:    addiu $1, $sp, 48
20; MIPS32-NEXT:    sw $6, 0($1)
21; MIPS32-NEXT:    addiu $1, $sp, 52
22; MIPS32-NEXT:    sw $7, 0($1)
23; MIPS32-NEXT:    lui $1, %hi($.str)
24; MIPS32-NEXT:    addiu $4, $1, %lo($.str)
25; MIPS32-NEXT:    addiu $6, $sp, 32
26; MIPS32-NEXT:    addiu $2, $sp, 28
27; MIPS32-NEXT:    addiu $5, $sp, 24
28; MIPS32-NEXT:    addiu $1, $sp, 20
29; MIPS32-NEXT:    sw $3, 0($6)
30; MIPS32-NEXT:    addiu $3, $sp, 44
31; MIPS32-NEXT:    sw $3, 0($2)
32; MIPS32-NEXT:    lw $2, 0($2)
33; MIPS32-NEXT:    sw $2, 0($5)
34; MIPS32-NEXT:    lw $2, 0($5)
35; MIPS32-NEXT:    ori $3, $zero, 4
36; MIPS32-NEXT:    addu $3, $2, $3
37; MIPS32-NEXT:    sw $3, 0($5)
38; MIPS32-NEXT:    lw $2, 0($2)
39; MIPS32-NEXT:    sw $2, 0($1)
40; MIPS32-NEXT:    lw $5, 0($1)
41; MIPS32-NEXT:    jal printf
42; MIPS32-NEXT:    nop
43; MIPS32-NEXT:    lw $ra, 36($sp) # 4-byte Folded Reload
44; MIPS32-NEXT:    addiu $sp, $sp, 40
45; MIPS32-NEXT:    jr $ra
46; MIPS32-NEXT:    nop
47entry:
48  %fmt.addr = alloca ptr, align 4
49  %ap = alloca ptr, align 4
50  %aq = alloca ptr, align 4
51  %s = alloca ptr, align 4
52  store ptr %fmt, ptr %fmt.addr, align 4
53  call void @llvm.va_start(ptr %ap)
54  call void @llvm.va_copy(ptr %aq, ptr %ap)
55  %argp.cur = load ptr, ptr %aq, align 4
56  %argp.next = getelementptr inbounds i8, ptr %argp.cur, i32 4
57  store ptr %argp.next, ptr %aq, align 4
58  %0 = load ptr, ptr %argp.cur, align 4
59  store ptr %0, ptr %s, align 4
60  %1 = load ptr, ptr %s, align 4
61  %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %1)
62  ret void
63}
64