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/warn-cast-align.cpp | 45 ++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 clang/test/SemaCXX/warn-cast-align.cpp (limited to 'clang/test/SemaCXX/warn-cast-align.cpp') diff --git a/clang/test/SemaCXX/warn-cast-align.cpp b/clang/test/SemaCXX/warn-cast-align.cpp new file mode 100644 index 0000000..68acbdd --- /dev/null +++ b/clang/test/SemaCXX/warn-cast-align.cpp @@ -0,0 +1,45 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s + +// Simple casts. +void test0(char *P) { + char *a; short *b; int *c; + + a = (char*) P; + a = static_cast(P); + a = reinterpret_cast(P); + typedef char *CharPtr; + a = CharPtr(P); + + b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}} + b = reinterpret_cast(P); + typedef short *ShortPtr; + b = ShortPtr(P); // expected-warning {{cast from 'char *' to 'ShortPtr' (aka 'short *') increases required alignment from 1 to 2}} + + c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}} + c = reinterpret_cast(P); + typedef int *IntPtr; + c = IntPtr(P); // expected-warning {{cast from 'char *' to 'IntPtr' (aka 'int *') increases required alignment from 1 to 4}} +} + +// Casts from void* are a special case. +void test1(void *P) { + char *a; short *b; int *c; + + a = (char*) P; + a = static_cast(P); + a = reinterpret_cast(P); + typedef char *CharPtr; + a = CharPtr(P); + + b = (short*) P; + b = static_cast(P); + b = reinterpret_cast(P); + typedef short *ShortPtr; + b = ShortPtr(P); + + c = (int*) P; + c = static_cast(P); + c = reinterpret_cast(P); + typedef int *IntPtr; + c = IntPtr(P); +} -- cgit v1.2.3