File: extractelement-index.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (51 lines) | stat: -rw-r--r-- 1,415 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
42
43
44
45
46
47
48
49
50
51
; RUN: llc < %s -mtriple=x86_64-pc-linux             | FileCheck %s -check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx | FileCheck %s -check-prefix=AVX


; CHECK-LABEL: extractelement_index_1:
define i8 @extractelement_index_1(<32 x i8> %a) nounwind {
  ; X64:       movaps
  ; AVX:       vpextrb $1
  %b = extractelement <32 x i8> %a, i256 1
  ret i8 %b
}

; CHECK-LABEL: extractelement_index_2:
define i32 @extractelement_index_2(<8 x i32> %a) nounwind {
  ; X64:       pshufd
  ; AVX:       vextractf128 $1
  ; AVX-NEXT:  vpextrd      $3
  %b = extractelement <8 x i32> %a, i64 7
  ret i32 %b
}

; CHECK-LABEL: extractelement_index_3:
define i32 @extractelement_index_3(<8 x i32> %a) nounwind {
  ; CHECK-NOT: pextr
  %b = extractelement <8 x i32> %a, i64 15
  ret i32 %b
}

; CHECK-LABEL: extractelement_index_4:
define i32 @extractelement_index_4(<8 x i32> %a) nounwind {
  ; X64:       movd
  ; AVX:       vextractf128 $1
  ; AVX-NEXT:  vmovd
  %b = extractelement <8 x i32> %a, i256 4
  ret i32 %b
}

; CHECK-LABEL: extractelement_index_5:
define i8 @extractelement_index_5(<32 x i8> %a, i256 %i) nounwind {
  ; X64:       movaps
  ; AVX:       vmovaps
  %b = extractelement <32 x i8> %a, i256 %i
  ret i8 %b
}

; CHECK-LABEL: extractelement_index_6:
define i8 @extractelement_index_6(<32 x i8> %a) nounwind {
  ; CHECK-NOT: pextr
  %b = extractelement <32 x i8> %a, i256 -1
  ret i8 %b
}