shift-cmp.ll
1.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"
define i1 @and_cmp_variable_power_of_two(i32 %x, i32 %y) {
; CHECK-LABEL: and_cmp_variable_power_of_two:
; CHECK: # %bb.0:
; CHECK-NEXT: srw 3, 3, 4
; CHECK-NEXT: blr
%shl = shl i32 1, %y
%and = and i32 %x, %shl
%cmp = icmp eq i32 %and, %shl
ret i1 %cmp
}
define i1 @and_cmp_variable_power_of_two_64(i64 %x, i64 %y) {
; CHECK-LABEL: and_cmp_variable_power_of_two_64:
; CHECK: # %bb.0:
; CHECK-NEXT: srd 3, 3, 4
; CHECK-NEXT: blr
%shl = shl i64 1, %y
%and = and i64 %x, %shl
%cmp = icmp eq i64 %and, %shl
ret i1 %cmp
}
define i1 @and_ncmp_variable_power_of_two(i32 %x, i32 %y) {
; CHECK-LABEL: and_ncmp_variable_power_of_two:
; CHECK: # %bb.0:
; CHECK-NEXT: srw 3, 3, 4
; CHECK-NEXT: xori 3, 3, 1
; CHECK-NEXT: blr
%shl = shl i32 1, %y
%and = and i32 %x, %shl
%cmp = icmp ne i32 %and, %shl
ret i1 %cmp
}
define i1 @and_ncmp_variable_power_of_two_64(i64 %x, i64 %y) {
; CHECK-LABEL: and_ncmp_variable_power_of_two_64:
; CHECK: # %bb.0:
; CHECK-NEXT: srd 3, 3, 4
; CHECK-NEXT: xori 3, 3, 1
; CHECK-NEXT: blr
%shl = shl i64 1, %y
%and = and i64 %x, %shl
%cmp = icmp ne i64 %and, %shl
ret i1 %cmp
}