1*9880d681SAndroid Build Coastguard Worker; This test makes sure that mul instructions are properly eliminated. 2*9880d681SAndroid Build Coastguard Worker; This test is for Integer BitWidth >= 64 && BitWidth % 2 >= 1024. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | not grep mul 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i177 @test1(i177 %X) { 9*9880d681SAndroid Build Coastguard Worker %C = shl i177 1, 155 10*9880d681SAndroid Build Coastguard Worker %Y = mul i177 %X, %C 11*9880d681SAndroid Build Coastguard Worker ret i177 %Y 12*9880d681SAndroid Build Coastguard Worker} 13