1 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.1 | FileCheck %s
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s
4 ; When commuting the operands of a SSE blend, make sure that the resulting blend
5 ; mask can be encoded as a imm8.
6 ; Before, when commuting the operands to the shuffle in function @test, the backend
7 ; produced the following assembly:
8 ; pblendw $4294967103, %xmm1, %xmm0
10 define <4 x i32> @test(<4 x i32> %a, <4 x i32> %b) {
11 ; CHECK: pblendw $63, %xmm1, %xmm0
12 %shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 5, i32 6, i32 3>
13 ; add forces execution domain
14 %sum = add <4 x i32> %shuffle, %shuffle