xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/thumb2-cmp2.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; These tests would be improved by 'movs r0, #0' being rematerialized below the
4*9880d681SAndroid Build Coastguard Worker; test as 'mov.w r0, #0'.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine i1 @f1(i32 %a, i32 %b) {
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
8*9880d681SAndroid Build Coastguard Worker; CHECK: cmp {{.*}}, r1
9*9880d681SAndroid Build Coastguard Worker    %tmp = icmp ne i32 %a, %b
10*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine i1 @f2(i32 %a, i32 %b) {
14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
15*9880d681SAndroid Build Coastguard Worker; CHECK: cmp {{.*}}, r1
16*9880d681SAndroid Build Coastguard Worker    %tmp = icmp eq i32 %a, %b
17*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp
18*9880d681SAndroid Build Coastguard Worker}
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerdefine i1 @f6(i32 %a, i32 %b) {
21*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6:
22*9880d681SAndroid Build Coastguard Worker; CHECK: cmp.w {{.*}}, r1, lsl #5
23*9880d681SAndroid Build Coastguard Worker    %tmp = shl i32 %b, 5
24*9880d681SAndroid Build Coastguard Worker    %tmp1 = icmp eq i32 %tmp, %a
25*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp1
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerdefine i1 @f7(i32 %a, i32 %b) {
29*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f7:
30*9880d681SAndroid Build Coastguard Worker; CHECK: cmp.w {{.*}}, r1, lsr #6
31*9880d681SAndroid Build Coastguard Worker    %tmp = lshr i32 %b, 6
32*9880d681SAndroid Build Coastguard Worker    %tmp1 = icmp ne i32 %tmp, %a
33*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp1
34*9880d681SAndroid Build Coastguard Worker}
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerdefine i1 @f8(i32 %a, i32 %b) {
37*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f8:
38*9880d681SAndroid Build Coastguard Worker; CHECK: cmp.w {{.*}}, r1, asr #7
39*9880d681SAndroid Build Coastguard Worker    %tmp = ashr i32 %b, 7
40*9880d681SAndroid Build Coastguard Worker    %tmp1 = icmp eq i32 %a, %tmp
41*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp1
42*9880d681SAndroid Build Coastguard Worker}
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerdefine i1 @f9(i32 %a, i32 %b) {
45*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f9:
46*9880d681SAndroid Build Coastguard Worker; CHECK: cmp.w {{.*}}, {{.*}}, ror #8
47*9880d681SAndroid Build Coastguard Worker    %l8 = shl i32 %a, 24
48*9880d681SAndroid Build Coastguard Worker    %r8 = lshr i32 %a, 8
49*9880d681SAndroid Build Coastguard Worker    %tmp = or i32 %l8, %r8
50*9880d681SAndroid Build Coastguard Worker    %tmp1 = icmp ne i32 %a, %tmp
51*9880d681SAndroid Build Coastguard Worker    ret i1 %tmp1
52*9880d681SAndroid Build Coastguard Worker}
53