| // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -fextend-variable-liveness -o - | FileCheck %s |
| // |
| // Check we can correctly produce fake uses for function-level variables even |
| // when we have a return in a nested conditional and there is no code at the end |
| // of the function. |
| |
| // CHECK-LABEL: define{{.*}}@_Z3fooi |
| // CHECK: [[I_FAKE_USE:%[a-zA-Z0-9\.]+]] = load i32, ptr %i.addr |
| // CHECK: call void (...) @llvm.fake.use(i32 [[I_FAKE_USE]]) |
| // CHECK-LABEL: define{{.*}}@_ZN1C3barEi |
| // CHECK: [[J_FAKE_USE:%[a-zA-Z0-9\.]+]] = load i32, ptr %j.addr |
| // CHECK: call void (...) @llvm.fake.use(i32 [[J_FAKE_USE]]) |
| |
| void foo(int i) { |
| while (0) |
| if (1) |
| return; |
| } |
| |
| class C { |
| void bar(int j); |
| }; |
| |
| void C::bar(int j) { |
| while (0) |
| if (1) |
| return; |
| } |