xref: /llvm-project/llvm/test/CodeGen/RISCV/div_minsize.ll (revision 9e1ad3cff6a855fdfdc1d91323e2021726da04ea)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -mattr=+m -verify-machineinstrs < %s \
3; RUN:   | FileCheck -check-prefixes=RV32IM %s
4; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s \
5; RUN:   | FileCheck -check-prefixes=RV64IM %s
6
7define i32 @testsize1(i32 %x) minsize nounwind {
8; RV32IM-LABEL: testsize1:
9; RV32IM:       # %bb.0: # %entry
10; RV32IM-NEXT:    li a1, 32
11; RV32IM-NEXT:    div a0, a0, a1
12; RV32IM-NEXT:    ret
13;
14; RV64IM-LABEL: testsize1:
15; RV64IM:       # %bb.0: # %entry
16; RV64IM-NEXT:    li a1, 32
17; RV64IM-NEXT:    divw a0, a0, a1
18; RV64IM-NEXT:    ret
19entry:
20  %div = sdiv i32 %x, 32
21  ret i32 %div
22}
23
24define i32 @testsize2(i32 %x) minsize nounwind {
25; RV32IM-LABEL: testsize2:
26; RV32IM:       # %bb.0: # %entry
27; RV32IM-NEXT:    li a1, 33
28; RV32IM-NEXT:    div a0, a0, a1
29; RV32IM-NEXT:    ret
30;
31; RV64IM-LABEL: testsize2:
32; RV64IM:       # %bb.0: # %entry
33; RV64IM-NEXT:    li a1, 33
34; RV64IM-NEXT:    divw a0, a0, a1
35; RV64IM-NEXT:    ret
36entry:
37  %div = sdiv i32 %x, 33
38  ret i32 %div
39}
40
41define i32 @testsize3(i32 %x) minsize nounwind {
42; RV32IM-LABEL: testsize3:
43; RV32IM:       # %bb.0: # %entry
44; RV32IM-NEXT:    srli a0, a0, 5
45; RV32IM-NEXT:    ret
46;
47; RV64IM-LABEL: testsize3:
48; RV64IM:       # %bb.0: # %entry
49; RV64IM-NEXT:    srliw a0, a0, 5
50; RV64IM-NEXT:    ret
51entry:
52  %div = udiv i32 %x, 32
53  ret i32 %div
54}
55
56define i32 @testsize4(i32 %x) minsize nounwind {
57; RV32IM-LABEL: testsize4:
58; RV32IM:       # %bb.0:
59; RV32IM-NEXT:    li a1, 33
60; RV32IM-NEXT:    divu a0, a0, a1
61; RV32IM-NEXT:    ret
62;
63; RV64IM-LABEL: testsize4:
64; RV64IM:       # %bb.0:
65; RV64IM-NEXT:    li a1, 33
66; RV64IM-NEXT:    divuw a0, a0, a1
67; RV64IM-NEXT:    ret
68  %div = udiv i32 %x, 33
69  ret i32 %div
70}
71