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