| 1 | // RUN: %clang_cc1 -O3 -triple x86_64-apple-macosx10.10 -main-file-name c-unreachable-after-switch.c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck %s |
| 2 | |
| 3 | // CHECK: @[[C:__profc_foo]] = private global [3 x i64] zeroinitializer |
| 4 | |
| 5 | // CHECK-LABEL: @foo() |
| 6 | // CHECK: store {{.*}} @[[C]], i64 0, i64 0 |
| 7 | void foo() { |
| 8 | // CHECK: store {{.*}} @[[C]], i64 0, i64 2 |
| 9 | switch (0) { |
| 10 | default: |
| 11 | return; |
| 12 | } |
| 13 | // We shouldn't emit the unreachable counter. This used to crash in GlobalDCE. |
| 14 | // CHECK-NOT: store {{.*}} @[[SWC]], i64 0, i64 1} |
| 15 | } |
| 16 | |