From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaCXX/constexpr-backtrace-limit.cpp | 34 ++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 clang/test/SemaCXX/constexpr-backtrace-limit.cpp (limited to 'clang/test/SemaCXX/constexpr-backtrace-limit.cpp') diff --git a/clang/test/SemaCXX/constexpr-backtrace-limit.cpp b/clang/test/SemaCXX/constexpr-backtrace-limit.cpp new file mode 100644 index 0000000..9c40eed --- /dev/null +++ b/clang/test/SemaCXX/constexpr-backtrace-limit.cpp @@ -0,0 +1,34 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -fconstexpr-backtrace-limit 0 -fconstexpr-depth 4 -fno-caret-diagnostics 2>&1 | FileCheck %s -check-prefix=TEST1 +// TEST1: constant expression +// TEST1-NEXT: exceeded maximum depth of 4 +// TEST1-NEXT: in call to 'recurse(2)' +// TEST1-NEXT: in call to 'recurse(3)' +// TEST1-NEXT: in call to 'recurse(4)' +// TEST1-NEXT: in call to 'recurse(5)' + +// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -fconstexpr-backtrace-limit 2 -fconstexpr-depth 4 -fno-caret-diagnostics 2>&1 | FileCheck %s -check-prefix=TEST2 +// TEST2: constant expression +// TEST2-NEXT: exceeded maximum depth of 4 +// TEST2-NEXT: in call to 'recurse(2)' +// TEST2-NEXT: skipping 2 calls +// TEST2-NEXT: in call to 'recurse(5)' + +// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -fconstexpr-backtrace-limit 2 -fconstexpr-depth 8 -fno-caret-diagnostics 2>&1 | FileCheck %s -check-prefix=TEST3 +// TEST3: constant expression +// TEST3-NEXT: reinterpret_cast +// TEST3-NEXT: in call to 'recurse(0)' +// TEST3-NEXT: skipping 4 calls +// TEST3-NEXT: in call to 'recurse(5)' + +// RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -fconstexpr-backtrace-limit 8 -fconstexpr-depth 8 -fno-caret-diagnostics 2>&1 | FileCheck %s -check-prefix=TEST4 +// TEST4: constant expression +// TEST4-NEXT: reinterpret_cast +// TEST4-NEXT: in call to 'recurse(0)' +// TEST4-NEXT: in call to 'recurse(1)' +// TEST4-NEXT: in call to 'recurse(2)' +// TEST4-NEXT: in call to 'recurse(3)' +// TEST4-NEXT: in call to 'recurse(4)' +// TEST4-NEXT: in call to 'recurse(5)' + +constexpr int recurse(int n) { return n ? recurse(n-1) : *(int*)n; } +static_assert(recurse(5), ""); -- cgit v1.2.3