зеркало из https://github.com/microsoft/clang.git
16 строки
554 B
C
16 строки
554 B
C
// RUN: %clang_cc1 -O3 -triple x86_64-apple-macosx10.10 -main-file-name c-unreachable-after-switch.c %s -o - -emit-llvm -fprofile-instr-generate | FileCheck %s
|
|
|
|
// CHECK: @[[C:__llvm_profile_counters_foo]] = private global [3 x i64] zeroinitializer
|
|
|
|
// CHECK-LABEL: @foo()
|
|
// CHECK: store {{.*}} @[[C]], i64 0, i64 0
|
|
void foo() {
|
|
// CHECK: store {{.*}} @[[C]], i64 0, i64 2
|
|
switch (0) {
|
|
default:
|
|
return;
|
|
}
|
|
// We shouldn't emit the unreachable counter. This used to crash in GlobalDCE.
|
|
// CHECK-NOT: store {{.*}} @[[SWC]], i64 0, i64 1}
|
|
}
|