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llvm-mirror/test/CodeGen/X86/2009-06-05-VZextByteShort.ll
Bill Wendling 0b9c16295a As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
(movzx/movsx) because they give more information. Revert that part of the patch.

llvm-svn: 129498
2011-04-14 01:46:37 +00:00

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938 B
LLVM

; 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
}