File: trunc-nsw-nuw.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (78 lines) | stat: -rw-r--r-- 2,260 bytes parent folder | download | duplicates (2)
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=riscv64 -mattr=+m | FileCheck %s

define signext i8 @trunc_nsw_add(i32 signext %x) nounwind {
; CHECK-LABEL: trunc_nsw_add:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    addiw a0, a0, 1
; CHECK-NEXT:    ret
entry:
  %add = add nsw i32 %x, 1
  %trunc = trunc nsw i32 %add to i8
  ret i8 %trunc
}

define signext i32 @trunc_nuw_nsw_urem(i64 %x) nounwind {
; CHECK-LABEL: trunc_nuw_nsw_urem:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    lui a1, 210
; CHECK-NEXT:    lui a2, 2
; CHECK-NEXT:    addiw a1, a1, -1167
; CHECK-NEXT:    slli a1, a1, 12
; CHECK-NEXT:    addi a1, a1, 1881
; CHECK-NEXT:    mul a1, a0, a1
; CHECK-NEXT:    srli a1, a1, 45
; CHECK-NEXT:    addi a2, a2, 1808
; CHECK-NEXT:    mul a1, a1, a2
; CHECK-NEXT:    subw a0, a0, a1
; 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:    lui a1, 13
; CHECK-NEXT:    addi a1, a1, -819
; CHECK-NEXT:    mul a0, a0, a1
; CHECK-NEXT:    srliw a0, a0, 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:    lui a1, 13
; CHECK-NEXT:    addi a1, a1, -819
; CHECK-NEXT:    mul a0, a0, a1
; CHECK-NEXT:    srliw a0, a0, 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:    slli a1, a1, 2
; CHECK-NEXT:    add a0, a1, a0
; CHECK-NEXT:    addi a0, a0, 20
; 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
}