1 ; RUN: llc < %s -march=x86 -mcpu=core2 | FileCheck %s 2 3 ; CHECK: pshufb 4 ; CHECK-NOT: pshufb 5 6 ; FIXME: this test has a superfluous punpcklqdq pre-pshufb currently. 7 ; Don't XFAIL it because it's still better than the previous code. 8 9 ; Pack various elements via shuffles. 10 define <8 x i16> @shuf1(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone { 11 entry: 12 %tmp7 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 1, i32 8, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef , i32 undef > 13 ret <8 x i16> %tmp7 14 } 15
