xref: /llvm-project/llvm/test/CodeGen/ARM/fast-isel-icmp.ll (revision 69fb6ddc6e00bc4dd016ab9b5db16f05ffdc9afc)
1; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
2; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
3
4define i32 @icmp_i16_signed(i16 %a, i16 %b) nounwind {
5entry:
6; ARM: icmp_i16_signed
7; ARM: sxth r0, r0
8; ARM: sxth r1, r1
9; ARM: cmp	r0, r1
10; THUMB: icmp_i16_signed
11; THUMB: sxth r0, r0
12; THUMB: sxth r1, r1
13; THUMB: cmp	r0, r1
14  %cmp = icmp slt i16 %a, %b
15  %conv2 = zext i1 %cmp to i32
16  ret i32 %conv2
17}
18
19define i32 @icmp_i16_unsigned(i16 %a, i16 %b) nounwind {
20entry:
21; ARM: icmp_i16_unsigned
22; ARM: uxth r0, r0
23; ARM: uxth r1, r1
24; ARM: cmp	r0, r1
25; THUMB: icmp_i16_unsigned
26; THUMB: uxth r0, r0
27; THUMB: uxth r1, r1
28; THUMB: cmp	r0, r1
29  %cmp = icmp ult i16 %a, %b
30  %conv2 = zext i1 %cmp to i32
31  ret i32 %conv2
32}
33
34define i32 @icmp_i8_signed(i8 %a, i8 %b) nounwind {
35entry:
36; ARM: icmp_i8_signed
37; ARM: sxtb r0, r0
38; ARM: sxtb r1, r1
39; ARM: cmp r0, r1
40; THUMB: icmp_i8_signed
41; THUMB: sxtb r0, r0
42; THUMB: sxtb r1, r1
43; THUMB: cmp r0, r1
44  %cmp = icmp sgt i8 %a, %b
45  %conv2 = zext i1 %cmp to i32
46  ret i32 %conv2
47}
48
49define i32 @icmp_i8_unsigned(i8 %a, i8 %b) nounwind {
50entry:
51; ARM: icmp_i8_unsigned
52; ARM: uxtb r0, r0
53; ARM: uxtb r1, r1
54; ARM: cmp r0, r1
55; THUMB: icmp_i8_unsigned
56; THUMB: uxtb r0, r0
57; THUMB: uxtb r1, r1
58; THUMB: cmp r0, r1
59  %cmp = icmp ugt i8 %a, %b
60  %conv2 = zext i1 %cmp to i32
61  ret i32 %conv2
62}
63
64define i32 @icmp_i1_unsigned(i1 %a, i1 %b) nounwind {
65entry:
66; ARM: icmp_i1_unsigned
67; ARM: and r0, r0, #1
68; ARM: and r1, r1, #1
69; ARM: cmp r0, r1
70; THUMB: icmp_i1_unsigned
71; THUMB: and r0, r0, #1
72; THUMB: and r1, r1, #1
73; THUMB: cmp r0, r1
74  %cmp = icmp ult i1 %a, %b
75  %conv2 = zext i1 %cmp to i32
76  ret i32 %conv2
77}
78