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[CodeGen][ObjC] Remove the leading `l_` from ObjC symbols and make private symbols in the __DATA segment internal. This prevents the linker from removing the symbol names. Keeping the symbols visible enables tools to collect various information about the symbols, for example, tools that discover whether or not a symbol gets dirtied. rdar://problem/48887111 Differential Revision: https://reviews.llvm.org/D61454 llvm-svn: 360359
2019-05-10 01:43:52 +08:00
// RUN: %clang_cc1 -fobjc-runtime=macosx-fragile-10.5 -o - -emit-llvm %s | FileCheck -check-prefix=FRAGILE %s
Specify target triple to fix the tests I committed in r360359 that are still failing. llvm-svn: 360363
2019-05-10 02:32:16 +08:00
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.14 -o - -emit-llvm %s | FileCheck -check-prefix=NONFRAGILE %s
Changed CGObjCMac.cpp to add the marker externally_initialized to SELECTOR_REFERENCES in both the fragile and non-fragile API. This is to ensure that GlobalOpt in LLVM does not attempt to look through a selector reference to a method var name at compile time. I also added a test/updated old tests that need to recognize the new keyword. rdar://12580965. llvm-svn: 174461
2013-02-06 07:08:45 +08:00
[CodeGen][ObjC] Remove the leading `l_` from ObjC symbols and make private symbols in the __DATA segment internal. This prevents the linker from removing the symbol names. Keeping the symbols visible enables tools to collect various information about the symbols, for example, tools that discover whether or not a symbol gets dirtied. rdar://problem/48887111 Differential Revision: https://reviews.llvm.org/D61454 llvm-svn: 360359
2019-05-10 01:43:52 +08:00
// NONFRAGILE: @OBJC_SELECTOR_REFERENCES_ = internal externally_initialized global
// FRAGILE: @OBJC_SELECTOR_REFERENCES_ = private externally_initialized global
Changed CGObjCMac.cpp to add the marker externally_initialized to SELECTOR_REFERENCES in both the fragile and non-fragile API. This is to ensure that GlobalOpt in LLVM does not attempt to look through a selector reference to a method var name at compile time. I also added a test/updated old tests that need to recognize the new keyword. rdar://12580965. llvm-svn: 174461
2013-02-06 07:08:45 +08:00
void test(id x) {
[x doSomething];
}