test/CodeGen/X86/2009-06-05-VZextByteShort.ll


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

; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 > %t1
; RUN: grep movzwl %t1 | count 2
; RUN: grep movzbl %t1 | count 1
; RUN: grep movd %t1 | count 4

define <4 x i16> @a(i32* %x1) nounwind {
  %x2 = load i32* %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(i32* %x1) nounwind {
  %x2 = load i32* %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(i32* %x1) nounwind {
  %x2 = load i32* %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(i32* %x1) nounwind {
  %x2 = load i32* %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
}