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
51
52
53
54
55
56
57
58
59
60
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s
define zeroext i32 @trunc_nuw_nsw_urem(i64 %x) nounwind {
; CHECK-LABEL: trunc_nuw_nsw_urem:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #5977 // =0x1759
; CHECK-NEXT: mov w9, #10000 // =0x2710
; CHECK-NEXT: movk w8, #53687, lsl #16
; CHECK-NEXT: mul x8, x0, x8
; CHECK-NEXT: lsr x8, x8, #45
; CHECK-NEXT: msub w0, w8, w9, w0
; CHECK-NEXT: ret
entry:
%trunc = trunc nuw nsw i64 %x to i32
%rem = urem i32 %trunc, 10000
ret i32 %rem
}
define i64 @zext_nneg_udiv_trunc_nuw(i64 %x) nounwind {
; CHECK-LABEL: zext_nneg_udiv_trunc_nuw:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #52429 // =0xcccd
; CHECK-NEXT: mul w8, w0, w8
; CHECK-NEXT: lsr w0, w8, #23
; CHECK-NEXT: ret
entry:
%trunc = trunc nuw i64 %x to i16
%div = udiv i16 %trunc, 160
%ext = zext nneg i16 %div to i64
ret i64 %ext
}
define i64 @sext_udiv_trunc_nuw(i64 %x) nounwind {
; CHECK-LABEL: sext_udiv_trunc_nuw:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov w8, #52429 // =0xcccd
; CHECK-NEXT: mul w8, w0, w8
; CHECK-NEXT: lsr w0, w8, #23
; CHECK-NEXT: ret
entry:
%trunc = trunc nuw i64 %x to i16
%div = udiv i16 %trunc, 160
%ext = sext i16 %div to i64
ret i64 %ext
}
define ptr @gep_nusw_zext_nneg_add_trunc_nuw_nsw(ptr %p, i64 %x) nounwind {
; CHECK-LABEL: gep_nusw_zext_nneg_add_trunc_nuw_nsw:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: add w8, w1, #5
; CHECK-NEXT: add x0, x0, w8, uxtw #2
; CHECK-NEXT: ret
entry:
%trunc = trunc nuw nsw i64 %x to i32
%add = add nuw nsw i32 %trunc, 5
%offset = zext nneg i32 %add to i64
%gep = getelementptr nusw float, ptr %p, i64 %offset
ret ptr %gep
}
|
