1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s 3 4; Avoid unnecessary vinsertf128 5define <4 x i64> @test1(<4 x i64> %a) nounwind { 6; CHECK-LABEL: test1: 7; CHECK: # BB#0: 8; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 9; CHECK-NEXT: vpunpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1] 10; CHECK-NEXT: retl 11 %b = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7> 12 ret <4 x i64>%b 13} 14 15define <8 x i16> @test2(<4 x i16>* %v) nounwind { 16; CHECK-LABEL: test2: 17; CHECK: # BB#0: 18; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 19; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero 20; CHECK-NEXT: vmovq {{.*#+}} xmm0 = xmm0[0],zero 21; CHECK-NEXT: retl 22 %v9 = load <4 x i16>, <4 x i16> * %v, align 8 23 %v10 = shufflevector <4 x i16> %v9, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> 24 %v11 = shufflevector <8 x i16> <i16 undef, i16 undef, i16 undef, i16 undef, i16 0, i16 0, i16 0, i16 0>, <8 x i16> %v10, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7> 25 ret <8 x i16> %v11 26} 27