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// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -fblocks -triple x86_64-apple-darwin10 -o - | FileCheck %s --implicit-check-not=should_not_be_used
// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -fblocks -triple x86_64-apple-darwin10 -o - -fexperimental-new-constant-interpreter | FileCheck %s --implicit-check-not=should_not_be_used
void should_be_used_1();
void should_be_used_2();
void should_be_used_3();
void should_not_be_used();
struct A {
constexpr explicit operator bool() const {
return true;
}
};
void f() {
if constexpr (false)
should_not_be_used();
else
should_be_used_1();
if constexpr (true || ({ label: false; }))
should_be_used_2();
else {
goto foo;
foo: should_not_be_used();
}
if constexpr (A())
should_be_used_3();
else
should_not_be_used();
}
// CHECK: should_be_used_1
// CHECK: should_be_used_2
// CHECK: should_be_used_3
namespace BlockThisCapture {
void foo();
struct S {
template <bool b>
void m() {
^{ if constexpr(b) (void)this; else foo(); }();
}
};
void test() {
S().m<false>();
}
}
// CHECK-LABEL: define internal void @___ZN16BlockThisCapture1S1mILb0EEEvv_block_invoke(
// CHECK: call void @_ZN16BlockThisCapture3fooEv(
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