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* Produce a better diagnostic for global register variables.Akira Hatanaka2015-11-181-1/+4
| | | | | | | | | | | | | | | | | | | Currently, when there is a global register variable in a program that is bound to an invalid register, clang/llvm prints an error message that is not very user-friendly. This commit improves the diagnostic and moves the check that used to be in the backend to Sema. In addition, it makes changes to error out if the size of the register doesn't match the declared variable size. e.g., volatile register int B asm ("rbp"); rdar://problem/23084219 Differential Revision: http://reviews.llvm.org/D13834 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@253405 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert r241620 and follow-up commits" and move the initializationAdrian Prantl2015-07-081-1/+1
| | | | | | of the llvm targets from clang/CodeGen into ClangCheck.cpp and CIndex.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241653 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r241620 and follow-up commits while investigating linux buildbot ↵Adrian Prantl2015-07-071-1/+1
| | | | | | failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241642 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrap clang modules and pch files in an object file container.Adrian Prantl2015-07-071-1/+1
| | | | | | | | | | | | | This patch adds ObjectFilePCHContainerOperations uses the LLVM backend to put the contents of a PCH into a __clangast section inside a COFF, ELF, or Mach-O object file container. This is done to facilitate module debugging by makeing it possible to store the debug info for the types defined by a module alongside the AST. rdar://problem/20091852 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241620 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492)Alexey Bataev2015-05-201-3/+3
| | | | | | | | -fopenmp turns on OpenMP support and links libiomp5 as OpenMP library. Also there is -fopenmp={libiomp5|libgomp} option that allows to override effect of -fopenmp and link libgomp library (if -fopenmp=libgomp is specified). Differential Revision: http://reviews.llvm.org/D9736 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@237769 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case updates for explicit type parameter to the gep operatorDavid Blaikie2015-03-131-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@232187 91177308-0d34-0410-b5e6-96231b3b80d8
* Update Clang tests to handle explicitly typed load changes in LLVM.David Blaikie2015-02-271-52/+52
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230795 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Codegen for "#pragma omp atomic write"Alexey Bataev2015-02-271-5/+5
| | | | | | | | | | | For global reg lvalue - use regular store through global register. For simple lvalue - use simple atomic store. For bitfields, vector element, extended vector elements - the original value of the whole storage (for vector elements) or of some aligned value (for bitfields) is atomically read, the part of this value for the given lvalue is modified and then use atomic compare-and-exchange operation to try to atomically write modified value (if it was not modified). Also, changes in this patch fix the bug for '#pragma omp atomic read' applied to extended vector elements. Differential Revision: http://reviews.llvm.org/D7369 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230736 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl2015-02-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230454 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl2015-02-251-1/+1
| | | | | | | | | | | | | | | | | This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. This reapplies r230044 with a fixed configure+make build and updated dependencies and testcase requirements. Over the last iteration this version adds - missing target requirements for testcases that specify an x86 triple, - a missing clangCodeGen.a dependency to libClang.a in the make build. rdar://problem/19104245 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230423 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert r229082 for a bit, it caused PR22577."David Majnemer2015-02-141-10/+10
| | | | | | | This reverts commit r229123. It was a red herring, the bug was present without r229082. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@229205 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r229082 for a bit, it caused PR22577.Nico Weber2015-02-131-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@229123 91177308-0d34-0410-b5e6-96231b3b80d8
* MS ABI: Implement /volatile:msDavid Majnemer2015-02-131-10/+10
| | | | | | | | | | | | The /volatile:ms semantics turn volatile loads and stores into atomic acquire and release operations. This distinction is important because volatile memory operations do not form a happens-before relationship with non-atomic memory. This means that a volatile store is not sufficient for implementing a mutex unlock routine. Differential Revision: http://reviews.llvm.org/D7580 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@229082 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] CodeGen for "omp atomic read [seq_cst]" directive.Alexey Bataev2015-01-221-0/+333
| | | | | | | | | | | | | | "omp atomic read [seq_cst]" accepts expressions "v=x;". In this patch we perform an atomic load of "x" (using builtin atomic loading instructions or a call to "atomic_load()" for simple lvalues and "kmpc_atomic_start();load <x>;kmpc_atomic_end();" for other lvalues), convert the result of loading to type of "v" (using EmitScalarConversion() for simple types and EmitComplexToScalarConversion() for conversions from complex to scalar) and then store the result in "v".) Differential Revision: http://reviews.llvm.org/D6431 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226788 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit revision 226786Alexey Bataev2015-01-221-333/+0
| | | | | | | Need to add initialization of AtomicInfo::EvaluationKind field git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226787 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] CodeGen for "omp atomic read [seq_cst]" directive.Alexey Bataev2015-01-221-0/+333
| | | | | | | | | | | | | | "omp atomic read [seq_cst]" accepts expressions "v=x;". In this patch we perform an atomic load of "x" (using builtin atomic loading instructions or a call to "atomic_load()" for simple lvalues and "kmpc_atomic_start();load <x>;kmpc_atomic_end();" for other lvalues), convert the result of loading to type of "v" (using EmitScalarConversion() for simple types and EmitComplexToScalarConversion() for conversions from complex to scalar) and then store the result in "v".) Differential Revision: http://reviews.llvm.org/D6431 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226786 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit r226784.Alexey Bataev2015-01-221-333/+0
| | | | | | | Accidentally modified file SemaType.cpp must be restored to its original state. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226785 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] CodeGen for "omp atomic read [seq_cst]" directive.Alexey Bataev2015-01-221-0/+333
"omp atomic read [seq_cst]" accepts expressions "v=x;". In this patch we perform an atomic load of "x" (using builtin atomic loading instructions or a call to "atomic_load()" for simple lvalues and "kmpc_atomic_start();load <x>;kmpc_atomic_end();" for other lvalues), convert the result of loading to type of "v" (using EmitScalarConversion() for simple types and EmitComplexToScalarConversion() for conversions from complex to scalar) and then store the result in "v". Differential Revision: http://reviews.llvm.org/D6431 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226784 91177308-0d34-0410-b5e6-96231b3b80d8
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