1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep " sub " | count 1 2*9880d681SAndroid Build Coastguard Worker; PR2047 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker %b.neg = sub i32 0, %b ; <i32> [#uses=1] 7*9880d681SAndroid Build Coastguard Worker %c.neg = sub i32 0, %c ; <i32> [#uses=1] 8*9880d681SAndroid Build Coastguard Worker %sub4 = add i32 %c.neg, %b.neg ; <i32> [#uses=1] 9*9880d681SAndroid Build Coastguard Worker %sub6 = add i32 %sub4, %d ; <i32> [#uses=1] 10*9880d681SAndroid Build Coastguard Worker ret i32 %sub6 11*9880d681SAndroid Build Coastguard Worker} 12