File: 2009-06-05-VZextByteShort.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 (71 lines) | stat: -rw-r--r-- 1,899 bytes parent folder | download | duplicates (13)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mcpu=core2 | FileCheck %s

define <4 x i16> @a(ptr %x1) nounwind {
; CHECK-LABEL: a:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl (%eax), %eax
; CHECK-NEXT:    shrl %eax
; CHECK-NEXT:    movzwl %ax, %eax
; CHECK-NEXT:    movd %eax, %xmm0
; CHECK-NEXT:    retl

  %x2 = load i32, ptr %x1
  %x3 = lshr i32 %x2, 1
  %x = trunc i32 %x3 to i16
  %r = insertelement <4 x i16> zeroinitializer, i16 %x, i32 0
  ret <4 x i16> %r
}

define <8 x i16> @b(ptr %x1) nounwind {
; CHECK-LABEL: b:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl (%eax), %eax
; CHECK-NEXT:    shrl %eax
; CHECK-NEXT:    movzwl %ax, %eax
; CHECK-NEXT:    movd %eax, %xmm0
; CHECK-NEXT:    retl

  %x2 = load i32, ptr %x1
  %x3 = lshr i32 %x2, 1
  %x = trunc i32 %x3 to i16
  %r = insertelement <8 x i16> zeroinitializer, i16 %x, i32 0
  ret <8 x i16> %r
}

define <8 x i8> @c(ptr %x1) nounwind {
; CHECK-LABEL: c:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl (%eax), %eax
; CHECK-NEXT:    shrl %eax
; CHECK-NEXT:    movzbl %al, %eax
; CHECK-NEXT:    movd %eax, %xmm0
; CHECK-NEXT:    retl

  %x2 = load i32, ptr %x1
  %x3 = lshr i32 %x2, 1
  %x = trunc i32 %x3 to i8
  %r = insertelement <8 x i8> zeroinitializer, i8 %x, i32 0
  ret <8 x i8> %r
}

define <16 x i8> @d(ptr %x1) nounwind {
; CHECK-LABEL: d:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl (%eax), %eax
; CHECK-NEXT:    shrl %eax
; CHECK-NEXT:    movzbl %al, %eax
; CHECK-NEXT:    movd %eax, %xmm0
; CHECK-NEXT:    retl

  %x2 = load i32, ptr %x1
  %x3 = lshr i32 %x2, 1
  %x = trunc i32 %x3 to i8
  %r = insertelement <16 x i8> zeroinitializer, i8 %x, i32 0
  ret <16 x i8> %r
}