1 ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 < %s | FileCheck %s 2 3 ; When commuting the operands of a SSE blend, make sure that the resulting blend 4 ; mask can be encoded as a imm8. 5 ; Before, when commuting the operands to the shuffle in function @test, the backend 6 ; produced the following assembly: 7 ; pblendw $4294967103, %xmm1, %xmm0 8 9 define <4 x i32> @test(<4 x i32> %a, <4 x i32> %b) { 10 ;CHECK: pblendw $63, %xmm1, %xmm0 11 %shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 5, i32 6, i32 3> 12 ret <4 x i32> %shuffle 13 } 14
