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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=corei7-avx | FileCheck %s3 4; These tests check that an insert_subvector which replaces one of the halves5; of a concat_vectors is optimized into a single vinsertf128.6 7 8declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8)9 10define <8 x float> @lower_half(<4 x float> %v1, <4 x float> %v2, <4 x float> %v3) {11; CHECK-LABEL: lower_half:12; CHECK: # %bb.0:13; CHECK-NEXT: # kill: def $xmm2 killed $xmm2 def $ymm214; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm2, %ymm015; CHECK-NEXT: retq16 %1 = shufflevector <4 x float> %v1, <4 x float> %v2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>17 %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> %1, <4 x float> %v3, i8 0)18 ret <8 x float> %219 20}21 22define <8 x float> @upper_half(<4 x float> %v1, <4 x float> %v2, <4 x float> %v3) {23; CHECK-LABEL: upper_half:24; CHECK: # %bb.0:25; CHECK-NEXT: # kill: def $xmm0 killed $xmm0 def $ymm026; CHECK-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm027; CHECK-NEXT: retq28 %1 = shufflevector <4 x float> %v1, <4 x float> %v2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>29 %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> %1, <4 x float> %v3, i8 1)30 ret <8 x float> %231 32}33