1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 3 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64 4 5 define <4 x i64> @fold_movsd_zero() { 6 ; X86-LABEL: fold_movsd_zero: 7 ; X86: # %bb.0: 8 ; X86-NEXT: xorps %xmm0, %xmm0 9 ; X86-NEXT: xorps %xmm1, %xmm1 10 ; X86-NEXT: retl 11 ; 12 ; X64-LABEL: fold_movsd_zero: 13 ; X64: # %bb.0: 14 ; X64-NEXT: xorps %xmm0, %xmm0 15 ; X64-NEXT: xorps %xmm1, %xmm1 16 ; X64-NEXT: retq 17 %insert = insertelement <4 x i64> zeroinitializer, i64 0, i32 0 18 %shuffle = shufflevector <4 x i64> %insert, <4 x i64> zeroinitializer, <4 x i32> <i32 3, i32 5, i32 7, i32 1> 19 ret <4 x i64> %shuffle 20 } 21