File: vector-trunc-inseltpoison.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (23 lines) | stat: -rw-r--r-- 920 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -O2                   -S -data-layout="e" < %s | FileCheck %s
; RUN: opt -passes='default<O2>' -S -data-layout="e" < %s | FileCheck %s

define <4 x i16> @truncate(<4 x i32> %x) {
; CHECK-LABEL: @truncate(
; CHECK-NEXT:    [[V3:%.*]] = trunc <4 x i32> [[X:%.*]] to <4 x i16>
; CHECK-NEXT:    ret <4 x i16> [[V3]]
;
  %x0 = extractelement <4 x i32> %x, i32 0
  %t0 = trunc i32 %x0 to i16
  %v0 = insertelement <4 x i16> poison, i16 %t0, i32 0
  %x1 = extractelement <4 x i32> %x, i32 1
  %t1 = trunc i32 %x1 to i16
  %v1 = insertelement <4 x i16> %v0, i16 %t1, i32 1
  %x2 = extractelement <4 x i32> %x, i32 2
  %t2 = trunc i32 %x2 to i16
  %v2 = insertelement <4 x i16> %v1, i16 %t2, i32 2
  %x3 = extractelement <4 x i32> %x, i32 3
  %t3 = trunc i32 %x3 to i16
  %v3 = insertelement <4 x i16> %v2, i16 %t3, i32 3
  ret <4 x i16> %v3
}