1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
3 ; int foo1_with_default(int a) {
13 define 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
20 switch i32 %a, label %sw.epilog [
35 %retval.0 = phi i32 [ 4, %sw.epilog ], [ 2, %sw.bb1 ], [ 10, %sw.bb ]
39 ; int foo1_without_default(int a) {
46 ; __builtin_unreachable();
49 define i32 @foo1_without_default(i32 %a) {
50 ; CHECK-LABEL: @foo1_without_default
51 ; CHECK: %switch.selectcmp = icmp eq i32 %a, 10
52 ; CHECK-NEXT: %switch.select = select i1 %switch.selectcmp, i32 10, i32 2
53 ; CHECK-NOT: %switch.selectcmp1
55 switch i32 %a, label %sw.epilog [
70 %retval.0 = phi i32 [ 2, %sw.bb1 ], [ 10, %sw.bb ]