1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -mergefunc < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Ensure that we do not merge functions that are identical with the 4*9880d681SAndroid Build Coastguard Worker; exception of the order of the incoming blocks to a phi. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define linkonce_odr hidden i1 @first(i2) 7*9880d681SAndroid Build Coastguard Workerdefine linkonce_odr hidden i1 @first(i2) { 8*9880d681SAndroid Build Coastguard Workerentry: 9*9880d681SAndroid Build Coastguard Worker; CHECK: switch i2 10*9880d681SAndroid Build Coastguard Worker switch i2 %0, label %default [ 11*9880d681SAndroid Build Coastguard Worker i2 0, label %L1 12*9880d681SAndroid Build Coastguard Worker i2 1, label %L2 13*9880d681SAndroid Build Coastguard Worker i2 -2, label %L3 14*9880d681SAndroid Build Coastguard Worker ] 15*9880d681SAndroid Build Coastguard Workerdefault: 16*9880d681SAndroid Build Coastguard Worker unreachable 17*9880d681SAndroid Build Coastguard WorkerL1: 18*9880d681SAndroid Build Coastguard Worker br label %done 19*9880d681SAndroid Build Coastguard WorkerL2: 20*9880d681SAndroid Build Coastguard Worker br label %done 21*9880d681SAndroid Build Coastguard WorkerL3: 22*9880d681SAndroid Build Coastguard Worker br label %done 23*9880d681SAndroid Build Coastguard Workerdone: 24*9880d681SAndroid Build Coastguard Worker %result = phi i1 [ true, %L1 ], [ false, %L2 ], [ false, %L3 ] 25*9880d681SAndroid Build Coastguard Worker; CHECK: ret i1 26*9880d681SAndroid Build Coastguard Worker ret i1 %result 27*9880d681SAndroid Build Coastguard Worker} 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define linkonce_odr hidden i1 @second(i2) 30*9880d681SAndroid Build Coastguard Workerdefine linkonce_odr hidden i1 @second(i2) { 31*9880d681SAndroid Build Coastguard Workerentry: 32*9880d681SAndroid Build Coastguard Worker; CHECK: switch i2 33*9880d681SAndroid Build Coastguard Worker switch i2 %0, label %default [ 34*9880d681SAndroid Build Coastguard Worker i2 0, label %L1 35*9880d681SAndroid Build Coastguard Worker i2 1, label %L2 36*9880d681SAndroid Build Coastguard Worker i2 -2, label %L3 37*9880d681SAndroid Build Coastguard Worker ] 38*9880d681SAndroid Build Coastguard Workerdefault: 39*9880d681SAndroid Build Coastguard Worker unreachable 40*9880d681SAndroid Build Coastguard WorkerL1: 41*9880d681SAndroid Build Coastguard Worker br label %done 42*9880d681SAndroid Build Coastguard WorkerL2: 43*9880d681SAndroid Build Coastguard Worker br label %done 44*9880d681SAndroid Build Coastguard WorkerL3: 45*9880d681SAndroid Build Coastguard Worker br label %done 46*9880d681SAndroid Build Coastguard Workerdone: 47*9880d681SAndroid Build Coastguard Worker %result = phi i1 [ true, %L3 ], [ false, %L2 ], [ false, %L1 ] 48*9880d681SAndroid Build Coastguard Worker; CHECK: ret i1 49*9880d681SAndroid Build Coastguard Worker ret i1 %result 50*9880d681SAndroid Build Coastguard Worker} 51