26 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s3 4; Avoid unnecessary vinsertf1285define <4 x i64> @test1(<4 x i64> %a) nounwind {6; CHECK-LABEL: test1:7; CHECK: # %bb.0:8; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm19; CHECK-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]10; CHECK-NEXT: retl11 %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>%b13}14 15define <8 x i16> @test2(ptr %v) nounwind {16; CHECK-LABEL: test2:17; CHECK: # %bb.0:18; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax19; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero20; CHECK-NEXT: retl21 %v9 = load <4 x i16>, ptr %v, align 822 %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>23 %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>24 ret <8 x i16> %v1125}26