File: iabs.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (75 lines) | stat: -rw-r--r-- 1,970 bytes parent folder | download | duplicates (12)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s
; RUN: llc < %s -mtriple=arm64-eabi -mattr=+cssc | FileCheck %s -check-prefix=CHECK-CSSC

define i8 @test_i8(i8 %a) nounwind {
; CHECK-LABEL: test_i8:
; CHECK:       // %bb.0:
; CHECK-NEXT:    sxtb w8, w0
; CHECK-NEXT:    cmp w8, #0
; CHECK-NEXT:    cneg w0, w8, mi
; CHECK-NEXT:    ret
;
; CHECK-CSSC-LABEL: test_i8:
; CHECK-CSSC:       // %bb.0:
; CHECK-CSSC-NEXT:    sxtb w8, w0
; CHECK-CSSC-NEXT:    abs w0, w8
; CHECK-CSSC-NEXT:    ret
  %tmp1neg = sub i8 0, %a
  %b = icmp sgt i8 %a, -1
  %abs = select i1 %b, i8 %a, i8 %tmp1neg
  ret i8 %abs
}

define i16 @test_i16(i16 %a) nounwind {
; CHECK-LABEL: test_i16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    sxth w8, w0
; CHECK-NEXT:    cmp w8, #0
; CHECK-NEXT:    cneg w0, w8, mi
; CHECK-NEXT:    ret
;
; CHECK-CSSC-LABEL: test_i16:
; CHECK-CSSC:       // %bb.0:
; CHECK-CSSC-NEXT:    sxth w8, w0
; CHECK-CSSC-NEXT:    abs w0, w8
; CHECK-CSSC-NEXT:    ret
  %tmp1neg = sub i16 0, %a
  %b = icmp sgt i16 %a, -1
  %abs = select i1 %b, i16 %a, i16 %tmp1neg
  ret i16 %abs
}

define i32 @test_i32(i32 %a) nounwind {
; CHECK-LABEL: test_i32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    cmp w0, #0
; CHECK-NEXT:    cneg w0, w0, mi
; CHECK-NEXT:    ret
;
; CHECK-CSSC-LABEL: test_i32:
; CHECK-CSSC:       // %bb.0:
; CHECK-CSSC-NEXT:    abs w0, w0
; CHECK-CSSC-NEXT:    ret
  %tmp1neg = sub i32 0, %a
  %b = icmp sgt i32 %a, -1
  %abs = select i1 %b, i32 %a, i32 %tmp1neg
  ret i32 %abs
}

define i64 @test_i64(i64 %a) nounwind {
; CHECK-LABEL: test_i64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    cmp x0, #0
; CHECK-NEXT:    cneg x0, x0, mi
; CHECK-NEXT:    ret
;
; CHECK-CSSC-LABEL: test_i64:
; CHECK-CSSC:       // %bb.0:
; CHECK-CSSC-NEXT:    abs x0, x0
; CHECK-CSSC-NEXT:    ret
  %tmp1neg = sub i64 0, %a
  %b = icmp sgt i64 %a, -1
  %abs = select i1 %b, i64 %a, i64 %tmp1neg
  ret i64 %abs
}