1; RUN: opt < %s -simplifycfg -S | FileCheck %s 2 3; int foo1_with_default(int a) { 4; switch(a) { 5; case 10: 6; return 10; 7; case 20: 8; return 2; 9; } 10; return 4; 11; } 12 13define i32 @foo1_with_default(i32 %a) { 14; CHECK-LABEL: @foo1_with_default 15; CHECK: %switch.selectcmp = icmp eq i32 %a, 20 16; CHECK-NEXT: %switch.select = select i1 %switch.selectcmp, i32 2, i32 4 17; CHECK-NEXT: %switch.selectcmp1 = icmp eq i32 %a, 10 18; CHECK-NEXT: %switch.select2 = select i1 %switch.selectcmp1, i32 10, i32 %switch.select 19entry: 20 switch i32 %a, label %sw.epilog [ 21 i32 10, label %sw.bb 22 i32 20, label %sw.bb1 23 ] 24 25sw.bb: 26 br label %return 27 28sw.bb1: 29 br label %return 30 31sw.epilog: 32 br label %return 33 34return: 35 %retval.0 = phi i32 [ 4, %sw.epilog ], [ 2, %sw.bb1 ], [ 10, %sw.bb ] 36 ret i32 %retval.0 37} 38