blob: 9022fc395628e4409f39a79b076a1a1e20dc70bf [file] [log] [blame]
Hsiangkai Wang04ddf392019-06-12 03:04:22 +00001; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 < %s | FileCheck -check-prefix=RV32 %s
3; RUN: llc -mtriple=riscv64 < %s | FileCheck -check-prefix=RV64 %s
4
5define void @foo(i32 signext %size) {
6; RV32-LABEL: foo:
7; RV32: # %bb.0: # %entry
8; RV32-NEXT: addi sp, sp, -16
9; RV32-NEXT: .cfi_def_cfa_offset 16
10; RV32-NEXT: sw ra, 12(sp)
11; RV32-NEXT: sw s0, 8(sp)
12; RV32-NEXT: .cfi_offset ra, -4
13; RV32-NEXT: .cfi_offset s0, -8
14; RV32-NEXT: addi s0, sp, 16
15; RV32-NEXT: .cfi_def_cfa s0, 0
16; RV32-NEXT: addi a0, a0, 15
17; RV32-NEXT: andi a0, a0, -16
18; RV32-NEXT: sub a0, sp, a0
19; RV32-NEXT: mv sp, a0
20; RV32-NEXT: call bar
21; RV32-NEXT: addi sp, s0, -16
22; RV32-NEXT: lw s0, 8(sp)
23; RV32-NEXT: .cfi_def_cfa sp, 16
24; RV32-NEXT: lw ra, 12(sp)
25; RV32-NEXT: .cfi_restore ra
26; RV32-NEXT: .cfi_restore s0
27; RV32-NEXT: addi sp, sp, 16
28; RV32-NEXT: .cfi_def_cfa_offset 0
29; RV32-NEXT: ret
30;
31; RV64-LABEL: foo:
32; RV64: # %bb.0: # %entry
33; RV64-NEXT: addi sp, sp, -16
34; RV64-NEXT: .cfi_def_cfa_offset 16
35; RV64-NEXT: sd ra, 8(sp)
36; RV64-NEXT: sd s0, 0(sp)
37; RV64-NEXT: .cfi_offset ra, -8
38; RV64-NEXT: .cfi_offset s0, -16
39; RV64-NEXT: addi s0, sp, 16
40; RV64-NEXT: .cfi_def_cfa s0, 0
Luis Marquese38695a2019-09-17 09:43:08 +000041; RV64-NEXT: addi a1, zero, 1
42; RV64-NEXT: slli a1, a1, 33
43; RV64-NEXT: addi a1, a1, -16
Luis Marques2d550d12019-09-17 10:52:09 +000044; RV64-NEXT: slli a0, a0, 32
45; RV64-NEXT: srli a0, a0, 32
46; RV64-NEXT: addi a0, a0, 15
Hsiangkai Wang04ddf392019-06-12 03:04:22 +000047; RV64-NEXT: and a0, a0, a1
48; RV64-NEXT: sub a0, sp, a0
49; RV64-NEXT: mv sp, a0
50; RV64-NEXT: call bar
51; RV64-NEXT: addi sp, s0, -16
52; RV64-NEXT: ld s0, 0(sp)
53; RV64-NEXT: .cfi_def_cfa sp, 16
54; RV64-NEXT: ld ra, 8(sp)
55; RV64-NEXT: .cfi_restore ra
56; RV64-NEXT: .cfi_restore s0
57; RV64-NEXT: addi sp, sp, 16
58; RV64-NEXT: .cfi_def_cfa_offset 0
59; RV64-NEXT: ret
60entry:
61 %0 = alloca i8, i32 %size, align 16
62 call void @bar(i8* nonnull %0) #2
63 ret void
64}
65
66declare void @bar(i8*)