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* Change memcpy/memove/memset to have dest and source alignment attributes ↵Daniel Neilson2018-01-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | (Step 1). Summary: Upstream LLVM is changing the the prototypes of the @llvm.memcpy/memmove/memset intrinsics. This change updates the Clang tests for this change. The @llvm.memcpy/memmove/memset intrinsics currently have an explicit argument which is required to be a constant integer. It represents the alignment of the dest (and source), and so must be the minimum of the actual alignment of the two. This change removes the alignment argument in favour of placing the alignment attribute on the source and destination pointers of the memory intrinsic call. For example, code which used to read: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 100, i32 4, i1 false) will now read call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 100, i1 false) At this time the source and destination alignments must be the same (Step 1). Step 2 of the change, to be landed shortly, will relax that contraint and allow the source and destination to have different alignments. llvm-svn: 322964
* [Clang] Remove unwanted --check-prefix=CHECK from unit tests. NFC.Mandeep Singh Grang2016-04-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Removed unwanted --check-prefix=CHECK from the following unit tests: test/CXX/special/class.copy/implicit-move-def.cpp test/CodeGen/cleanup-destslot-simple.c test/CodeGen/inline-asm-immediate-ubsan.c test/CodeGen/mips-interrupt-attr.c test/CodeGenCXX/cfi-stats.cpp test/CodeGenCXX/copy-constructor-elim.cpp test/CodeGenCXX/microsoft-templ-uuidof.cpp test/CodeGenCXX/vtable-linkage.cpp test/CodeGenObjC/messages-2.m test/Driver/noinline.c test/Index/remap-load.c test/Index/retain-comments-from-system-headers.c test/OpenMP/task_if_codegen.cpp test/Preprocessor/comment_save_macro.c Patch by: Mandeep Singh Grang (mgrang) Reviewers: rafael, ABataev, rengolin Projects: #clang-c Differential Revision: http://reviews.llvm.org/D19232 llvm-svn: 266843
* Revert "Change memcpy/memset/memmove to have dest and source alignments."Pete Cooper2015-11-191-2/+2
| | | | | | | | | | This reverts commit r253512. This likely broke the bots in: http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202 http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787 llvm-svn: 253542
* Change memcpy/memset/memmove to have dest and source alignments.Pete Cooper2015-11-181-2/+2
| | | | | | | | | | | | | | | | | | | | | | This is a follow on from a similar LLVM commit: r253511. Note, this was reviewed (and more details are in) http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20151109/312083.html These intrinsics currently have an explicit alignment argument which is required to be a constant integer. It represents the alignment of the source and dest, and so must be the minimum of those. This change allows source and dest to each have their own alignments by using the alignment attribute on their arguments. The alignment argument itself is removed. The only code change to clang is hidden in CGBuilder.h which now passes both dest and source alignment to IRBuilder, instead of taking the minimum of dest and source alignments. Reviewed by Hal Finkel. llvm-svn: 253512
* Update Clang tests to handle explicitly typed load changes in LLVM.David Blaikie2015-02-271-2/+2
| | | | llvm-svn: 230795
* Restructure how the driver communicates information about theJohn McCall2012-06-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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
* Make -fobjc-nonfragile-abi the -cc1 default, since it's theJohn McCall2011-10-021-2/+2
| | | | | | | | | | | | | | | | | | | increasingly prevailing case to the point that new features like ARC don't even support the fragile ABI anymore. This required a little bit of reshuffling with exceptions because a check was assuming that ObjCNonFragileABI was only being set in ObjC mode, and that's actually a bit obnoxious to do. Most, though, it involved a perl script to translate a ton of test cases. Mostly no functionality change for driver users, although there are corner cases with disabling language-specific exceptions that we should handle more correctly now. llvm-svn: 140957
* Only perform the null-initialization of an aggregate result of a messageJohn McCall2011-05-141-8/+20
| | | | | | | | | send if the receiver is null. Normally it's not worthwhile to check this, but avoiding the null-initialization is nice, and this also avoids nasty problems where the null-initialization is visible within the call because we use an aliased result buffer. rdar://problem/9402992 llvm-svn: 131366
* Zero-initialize the struct-return slot of an Objective-C messageJohn McCall2011-02-261-1/+22
| | | | | | send before making the call. Fixes rdar://problem/7854674 llvm-svn: 126543
* Canonicalize parameter and return types before computing ABI info. EliminatesJohn McCall2010-02-241-0/+3
| | | | | | | | | | | a common source of oddities and, in theory, removes some redundant ABI computations. Also fixes a miscompile I introduced yesterday by refactoring some code and causing a slightly different code path to be taken that didn't perform *parameter* type canonicalization, just normal type canonicalization; this in turn caused a bit of ABI code to misfire because it was looking for 'double' or 'float' but received 'const float'. llvm-svn: 97030
* Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar2009-12-151-1/+1
| | | | | | | | | - This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). llvm-svn: 91446
* Tests use the new clang.Fariborz Jahanian2009-12-141-1/+1
| | | | llvm-svn: 91290
* Normalize options to use '-FOO' instead of '--FOO'.Daniel Dunbar2009-11-291-1/+1
| | | | llvm-svn: 90071
* Don't #include <stdio.h> when tests don't need it, or use clang instead of ↵Daniel Dunbar2009-11-171-1/+1
| | | | | | clang-cc when they do. llvm-svn: 89070
* Move -fnext-runtime defaulting to driver (and change clang-cc default toDaniel Dunbar2009-11-171-1/+1
| | | | | | -fnext-runtime), instead of using getDefaultLangOptions. llvm-svn: 89058
* Rename clang to clang-cc.Daniel Dunbar2009-03-241-1/+1
| | | | | | Tests and drivers updated, still need to shuffle dirs. llvm-svn: 67602
* Add some Objective-C code generation tests.Daniel Dunbar2008-09-041-0/+139
- Note that these don't really test anything other than that code generation doesn't fail or crash. Better than nothing though! llvm-svn: 55761
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