| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s |
| |
| ; Avoid unnecessary vinsertf128 |
| define <4 x i64> @test1(<4 x i64> %a) nounwind { |
| ; CHECK-LABEL: test1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 |
| ; CHECK-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1] |
| ; CHECK-NEXT: retl |
| %b = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| ret <4 x i64>%b |
| } |
| |
| define <8 x i16> @test2(<4 x i16>* %v) nounwind { |
| ; CHECK-LABEL: test2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: retl |
| %v9 = load <4 x i16>, <4 x i16> * %v, align 8 |
| %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> |
| %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> |
| ret <8 x i16> %v11 |
| } |