File: 2009-06-05-VZextByteShort.ll

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llvm-2.7 2.7-6
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; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 > %t1
; RUN: grep movzwl %t1 | count 2
; RUN: grep movzbl %t1 | count 2
; 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
}