File: vector-trunc.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 (41 lines) | stat: -rw-r--r-- 1,782 bytes parent folder | download | duplicates (3)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define <4 x i16> @trunc_add_nsw(<4 x i32> %0) {
; CHECK-LABEL: @trunc_add_nsw(
; CHECK-NEXT:    [[TMP2:%.*]] = ashr <4 x i32> [[TMP0:%.*]], <i32 17, i32 17, i32 17, i32 17>
; CHECK-NEXT:    [[TMP3:%.*]] = trunc nsw <4 x i32> [[TMP2]] to <4 x i16>
; CHECK-NEXT:    [[TMP4:%.*]] = add nsw <4 x i16> [[TMP3]], <i16 1, i16 1, i16 1, i16 1>
; CHECK-NEXT:    ret <4 x i16> [[TMP4]]
;
  %2 = ashr <4 x i32> %0, <i32 17, i32 17, i32 17, i32 17>
  %3 = trunc <4 x i32> %2 to <4 x i16>
  %4 = add <4 x i16> %3, <i16 1, i16 1, i16 1, i16 1>
  ret <4 x i16> %4
}

define <4 x i16> @trunc_add_no_nsw(<4 x i32> %0) {
; CHECK-LABEL: @trunc_add_no_nsw(
; CHECK-NEXT:    [[TMP2:%.*]] = lshr <4 x i32> [[TMP0:%.*]], <i32 16, i32 16, i32 16, i32 16>
; CHECK-NEXT:    [[TMP3:%.*]] = trunc nuw <4 x i32> [[TMP2]] to <4 x i16>
; CHECK-NEXT:    [[TMP4:%.*]] = add <4 x i16> [[TMP3]], <i16 1, i16 1, i16 1, i16 1>
; CHECK-NEXT:    ret <4 x i16> [[TMP4]]
;
  %2 = ashr <4 x i32> %0, <i32 16, i32 16, i32 16, i32 16>
  %3 = trunc <4 x i32> %2 to <4 x i16>
  %4 = add <4 x i16> %3, <i16 1, i16 1, i16 1, i16 1>
  ret <4 x i16> %4
}

define <4 x i16> @trunc_add_mixed(<4 x i32> %0) {
; CHECK-LABEL: @trunc_add_mixed(
; CHECK-NEXT:    [[TMP2:%.*]] = ashr <4 x i32> [[TMP0:%.*]], <i32 17, i32 16, i32 17, i32 16>
; CHECK-NEXT:    [[TMP3:%.*]] = trunc <4 x i32> [[TMP2]] to <4 x i16>
; CHECK-NEXT:    [[TMP4:%.*]] = add <4 x i16> [[TMP3]], <i16 1, i16 1, i16 1, i16 1>
; CHECK-NEXT:    ret <4 x i16> [[TMP4]]
;
  %2 = ashr <4 x i32> %0, <i32 17, i32 16, i32 17, i32 16>
  %3 = trunc <4 x i32> %2 to <4 x i16>
  %4 = add <4 x i16> %3, <i16 1, i16 1, i16 1, i16 1>
  ret <4 x i16> %4
}