1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; When commuting the operands of a SSE blend, make sure that the resulting blend 4*9880d681SAndroid Build Coastguard Worker; mask can be encoded as a imm8. 5*9880d681SAndroid Build Coastguard Worker; Before, when commuting the operands to the shuffle in function @test, the backend 6*9880d681SAndroid Build Coastguard Worker; produced the following assembly: 7*9880d681SAndroid Build Coastguard Worker; pblendw $4294967103, %xmm1, %xmm0 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine <4 x i32> @test(<4 x i32> %a, <4 x i32> %b) { 10*9880d681SAndroid Build Coastguard Worker ;CHECK: pblendw $63, %xmm1, %xmm0 11*9880d681SAndroid Build Coastguard Worker %shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 5, i32 6, i32 3> 12*9880d681SAndroid Build Coastguard Worker ret <4 x i32> %shuffle 13*9880d681SAndroid Build Coastguard Worker} 14