; Tests for SSE1 and below, without SSE2+.
; RUN: llc < %s -march=x86 -mcpu=pentium3 -O3 | FileCheck %s
-; RUN: llc < %s -march=x86-64 -mcpu=pentium3 -O3 | FileCheck %s
+; RUN: llc < %s -march=x86-64 -mattr=-sse2,+sse -O3 | FileCheck %s
define <8 x i16> @test1(<8 x i32> %a) nounwind {
; CHECK: test1
ret <8 x i16> zeroinitializer
}
+
+define <8 x i16> @test2(<8 x i32> %a) nounwind {
+; CHECK: test2
+ %c = trunc <8 x i32> %a to <8 x i16> ; <<8 x i16>> [#uses=1]
+ ret <8 x i16> %c
+}
+
+; PR7993
+;define <4 x i32> @test3(<4 x i16> %a) nounwind {
+; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1]
+; ret <4 x i32> %c
+;}
+
+; This should not emit shuffles to populate the top 2 elements of the 4-element
+; vector that this ends up returning.
+; rdar://8368414
+define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind {
+entry:
+ %tmp7 = extractelement <2 x float> %A, i32 0
+ %tmp5 = extractelement <2 x float> %A, i32 1
+ %tmp3 = extractelement <2 x float> %B, i32 0
+ %tmp1 = extractelement <2 x float> %B, i32 1
+ %add.r = fadd float %tmp7, %tmp3
+ %add.i = fsub float %tmp5, %tmp1
+ %tmp11 = insertelement <2 x float> undef, float %add.r, i32 0
+ %tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1
+ ret <2 x float> %tmp9
+; CHECK: test4:
+; CHECK-NOT: shufps $16
+; CHECK: shufps $1,
+; CHECK-NOT: shufps $16
+; CHECK: shufps $1,
+; CHECK-NOT: shufps $16
+; CHECK: unpcklps
+; CHECK-NOT: shufps $16
+; CHECK: ret
+}