llvm-project/clang/test/CodeGenCXX/auto-variable-template.cpp
CJ Johnson 69cd776e1e [CodeGen] Apply 'nonnull' and 'dereferenceable(N)' to 'this' pointer
arguments.

* Adds 'nonnull' and 'dereferenceable(N)' to 'this' pointer arguments
* Gates 'nonnull' on -f(no-)delete-null-pointer-checks
* Introduces this-nonnull.cpp and microsoft-abi-this-nullable.cpp tests to
  explicitly test the behavior of this change
* Refactors hundreds of over-constrained clang tests to permit these
  attributes, where needed
* Updates Clang12 patch notes mentioning this change

Reviewed-by: rsmith, jdoerfert

Differential Revision: https://reviews.llvm.org/D17993
2020-11-16 17:39:17 -08:00

15 lines
383 B
C++

// RUN: %clang_cc1 -std=c++14 %s -triple=x86_64-linux -emit-llvm -o - | FileCheck %s
struct f {
void operator()() const {}
};
template <typename T> auto vtemplate = f{};
int main() { vtemplate<int>(); }
// CHECK: @_Z9vtemplateIiE = linkonce_odr global %struct.f undef, comdat
// CHECK: define i32 @main()
// CHECK: call void @_ZNK1fclEv(%struct.f* {{[^,]*}} @_Z9vtemplateIiE)