1; RUN: llc < %s -march=x86 -mcpu=core2 | FileCheck %s 2 3define <4 x i16> @a(i32* %x1) nounwind { 4; CHECK-LABEL: a: 5; CHECK: shrl %[[R:[^,]+]] 6; CHECK-NEXT: movd %[[R]], %xmm0 7; CHECK-NEXT: retl 8 9 %x2 = load i32, i32* %x1 10 %x3 = lshr i32 %x2, 1 11 %x = trunc i32 %x3 to i16 12 %r = insertelement <4 x i16> zeroinitializer, i16 %x, i32 0 13 ret <4 x i16> %r 14} 15 16define <8 x i16> @b(i32* %x1) nounwind { 17; CHECK-LABEL: b: 18; CHECK: shrl %e[[R:.]]x 19; CHECK-NEXT: movzwl %[[R]]x, %e[[R]]x 20; CHECK-NEXT: movd %e[[R]]x, %xmm0 21; CHECK-NEXT: retl 22 23 %x2 = load i32, i32* %x1 24 %x3 = lshr i32 %x2, 1 25 %x = trunc i32 %x3 to i16 26 %r = insertelement <8 x i16> zeroinitializer, i16 %x, i32 0 27 ret <8 x i16> %r 28} 29 30define <8 x i8> @c(i32* %x1) nounwind { 31; CHECK-LABEL: c: 32; CHECK: shrl %e[[R:.]]x 33; CHECK-NEXT: movzwl %[[R]]x, %e[[R]]x 34; CHECK-NEXT: movd %e[[R]]x, %xmm0 35; CHECK-NEXT: retl 36 37 %x2 = load i32, i32* %x1 38 %x3 = lshr i32 %x2, 1 39 %x = trunc i32 %x3 to i8 40 %r = insertelement <8 x i8> zeroinitializer, i8 %x, i32 0 41 ret <8 x i8> %r 42} 43 44define <16 x i8> @d(i32* %x1) nounwind { 45; CHECK-LABEL: d: 46; CHECK: shrl %e[[R:.]]x 47; CHECK-NEXT: movzbl %[[R]]l, %e[[R]]x 48; CHECK-NEXT: movd %e[[R]]x, %xmm0 49; CHECK-NEXT: retl 50 51 %x2 = load i32, i32* %x1 52 %x3 = lshr i32 %x2, 1 53 %x = trunc i32 %x3 to i8 54 %r = insertelement <16 x i8> zeroinitializer, i8 %x, i32 0 55 ret <16 x i8> %r 56} 57 58