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