1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=sse2 -mcpu=corei7 -o /dev/null 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Revision 199135 introduced a wrong check in method 4*9880d681SAndroid Build Coastguard Worker; DAGCombiner::SimplifyVBinOp in an attempt to refactor some code 5*9880d681SAndroid Build Coastguard Worker; using the new method 'BuildVectorSDNode::isConstant' when possible. 6*9880d681SAndroid Build Coastguard Worker; 7*9880d681SAndroid Build Coastguard Worker; However the modified code in method SimplifyVBinOp now wrongly 8*9880d681SAndroid Build Coastguard Worker; checks that the operands of a vector bin-op are both constants. 9*9880d681SAndroid Build Coastguard Worker; 10*9880d681SAndroid Build Coastguard Worker; With that wrong change, this test started failing because of a 11*9880d681SAndroid Build Coastguard Worker; 'fatal error in the backend': 12*9880d681SAndroid Build Coastguard Worker; Cannot select: 0x2e329d0: v4i32 = BUILD_VECTOR 0x2e2ea00, 0x2e2ea00, 0x2e2ea00, 0x2e2ea00 13*9880d681SAndroid Build Coastguard Worker; 0x2e2ea00: i32 = Constant<1> [ID=4] 14*9880d681SAndroid Build Coastguard Worker; 0x2e2ea00: i32 = Constant<1> [ID=4] 15*9880d681SAndroid Build Coastguard Worker; 0x2e2ea00: i32 = Constant<1> [ID=4] 16*9880d681SAndroid Build Coastguard Worker; 0x2e2ea00: i32 = Constant<1> [ID=4] 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerdefine <8 x i32> @reduced_test_case() { 19*9880d681SAndroid Build Coastguard Worker %Shuff = shufflevector <8 x i32> zeroinitializer, <8 x i32> zeroinitializer, <8 x i32> <i32 1, i32 3, i32 undef, i32 7, i32 9, i32 11, i32 13, i32 15> 20*9880d681SAndroid Build Coastguard Worker %B23 = sub <8 x i32> %Shuff, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1> 21*9880d681SAndroid Build Coastguard Worker ret <8 x i32> %B23 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24