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llvm-project/clang/test/CodeGenObjC/bitfield_encoding.m

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Restructure how the driver communicates information about the target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. llvm-svn: 158793
2012-06-20 14:18:46 +08:00
// RUN: %clang_cc1 -triple i386-unknown-unknown -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o %t %s
Fixed Objective-C type encoding for bitfields for the GNU runtime to match the encoding used by GCC. llvm-svn: 105451
2010-06-04 09:10:52 +08:00
// RUN: grep "ib1b14" %t | count 1
Rename the GCC Objective-C runtime to gcc from gnu-fragile and the GNUstep runtime to gnustep from gnu. Fix EH for the GCC runtime. llvm-svn: 159684
2012-07-04 04:49:52 +08:00
// RUN: %clang_cc1 -triple i386-unknown-unknown -fobjc-runtime=macosx-fragile-10.5 -fobjc-runtime=gcc -emit-llvm -o %t %s
Fixed Objective-C type encoding for bitfields for the GNU runtime to match the encoding used by GCC. llvm-svn: 105451
2010-06-04 09:10:52 +08:00
// RUN: grep "ib32i1b33i14" %t | count 1
struct foo{
int a;
int b:1;
int c:14;
};
const char *encoding = @encode(struct foo);