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* Revert r140979 due to reports of bootstrap failure.Nick Lewycky2011-10-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140980 91177308-0d34-0410-b5e6-96231b3b80d8
* Add one more case we compute a max trip count.Nick Lewycky2011-10-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140979 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some Intel syntax disassembly issues with instructions that implicitly ↵Craig Topper2011-10-02
| | | | | | use AL/AX/EAX/RAX such as ADD/SUB/ADC/SUBB/XOR/OR/AND/CMP/MOV/TEST. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140974 91177308-0d34-0410-b5e6-96231b3b80d8
* Special case disassembler handling of REX.B prefix on NOP instruction to ↵Craig Topper2011-10-02
| | | | | | decode as XCHG R8D, EAX instead. Fixes PR10344. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140971 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new icmp+select optz'n. Also shows off the load(cst) folding added inNick Lewycky2011-10-02
| | | | | | | r140966. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140969 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance a couple places where we were doing constant folding of instructions,Nick Lewycky2011-10-02
| | | | | | | but not load instructions. Noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140966 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in r140954.Craig Topper2011-10-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140962 91177308-0d34-0410-b5e6-96231b3b80d8
* Make canonicalization of ImmutableSetRef::asImmutableSet() semi-explicit.Ted Kremenek2011-10-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140959 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix disassembling of INVEPT and INVVPID to take operandsCraig Topper2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140955 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix disassembler handling of CRC32 which is an odd instruction that uses ↵Craig Topper2011-10-01
| | | | | | 0xf2 as an opcode extension and allows the opsize prefix. This necessitated adding IC_XD_OPSIZE and IC_64BIT_XD_OPSIZE contexts. Unfortunately, this increases the size of the disassembler tables. Fixes PR10702. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140954 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r140924 "Attempt to fix dynamic stack realignment for thumb1 functions."Chad Rosier2011-10-01
| | | | | | to appease nightly testers. Not quite there yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140953 91177308-0d34-0410-b5e6-96231b3b80d8
* Moved type construction out of the loop and added an assert on the legality ↵Nadav Rotem2011-10-01
| | | | | | of the type. Formatted lines to the 80 char limit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140952 91177308-0d34-0410-b5e6-96231b3b80d8
* Move TableGen's parser and entry point into a libraryPeter Collingbourne2011-10-01
| | | | | | This is the first step towards splitting LLVM and Clang's tblgen executables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
* No one should be using the method directly. Assert if they do.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140947 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a convenience method to tell if two things are equal.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140946 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the ARMConstantPoolMBB class to handle the MBB values.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140943 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ARMConstantPoolMBB to hold an MBB value in the constant pool.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140942 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140941 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove now dead methods and ivar.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140940 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the new ARMConstantPoolSymbol class to handle external symbols.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140939 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an ARMConstantPool class for external symbols. This will split out the ↵Bill Wendling2011-10-01
| | | | | | support for external symbols from the base class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140938 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove now dead methods and ivar from ARMConstantPoolValue.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140937 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch over to using ARMConstantPoolConstant for global variables, functions,Bill Wendling2011-10-01
| | | | | | | and block addresses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140936 91177308-0d34-0410-b5e6-96231b3b80d8
* Some more refactoring.Bill Wendling2011-10-01
| | | | | | | | | | * Add a couple of Create methods to the ARMConstantPoolConstant class, * Add its own version of getExistingMachineCPValue, and * Modify hasSameValue to return false if the object isn't an ARMConstantPoolConstant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140935 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a Create method that accepts 'kind' and 'pcadj' arguments.Bill Wendling2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140934 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactoring: Separate out the ARM constant pool Constant from the ARM constantBill Wendling2011-10-01
| | | | | | | | | pool value. It's not used right now, but will be soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140933 91177308-0d34-0410-b5e6-96231b3b80d8
* Subtarget getFeatureBits() returns a uint64_t, not unsigned.Bob Wilson2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140928 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempt to fix dynamic stack realignment for thumb1 functions. It is in fact Chad Rosier2011-10-01
| | | | | | | | useful if an optimization assumes the stack has been realigned. Credit to Eli for his assistance. rdar://10043857 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140924 91177308-0d34-0410-b5e6-96231b3b80d8
* Inlining and unrolling heuristics should be aware of free truncs.Andrew Trick2011-10-01
| | | | | | | | | | | We want heuristics to be based on accurate data, but more importantly we don't want llvm to behave randomly. A benign trunc inserted by an upstream pass should not cause a wild swings in optimization level. See PR11034. It's a general problem with threshold-based heuristics, but we can make it less bad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140919 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140916 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Windows x64 stack walking support. Patch by Aaron Ballman!Michael J. Spencer2011-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140906 91177308-0d34-0410-b5e6-96231b3b80d8
* Use precomputed BitVector for CodeGenRegisterClass::hasSubClass().Jakob Stoklund Olesen2011-09-30
| | | | | | | All the sub-class bit vectors are computed when first creating the register bank. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140905 91177308-0d34-0410-b5e6-96231b3b80d8
* Filecheck-ize.Bill Wendling2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140904 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new line at end of file.Bill Wendling2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140903 91177308-0d34-0410-b5e6-96231b3b80d8
* When inferring the pointer alignment, if the global doesn't have an initializerBill Wendling2011-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | and the alignment is 0 (i.e., it's defined globally in one file and declared in another file) it could get an alignment which is larger than the ABI allows for that type, resulting in aligned moves being used for unaligned loads. For instance, in file A.c: struct S s; In file B.c: struct { // something long }; extern S s; void foo() { struct S p = s; // ... } this copy is a 'memcpy' which is turned into a series of 'movaps' instructions on X86. But this is wrong, because 'struct S' has alignment of 4, not 16. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140902 91177308-0d34-0410-b5e6-96231b3b80d8
* Promote comment to doxycomment. Adjust whitespace. No functionality change.Nick Lewycky2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140899 91177308-0d34-0410-b5e6-96231b3b80d8
* Store sub-class lists as a bit vector.Jakob Stoklund Olesen2011-09-30
| | | | | | | | | | | | | | This uses less memory and it reduces the complexity of sub-class operations: - hasSubClassEq() and friends become O(1) instead of O(N). - getCommonSubClass() becomes O(N) instead of O(N^2). In the future, TableGen will infer register classes. This makes it cheap to add them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140898 91177308-0d34-0410-b5e6-96231b3b80d8
* Extract a slightly more general BitVector printer.Jakob Stoklund Olesen2011-09-30
| | | | | | This one can also print 32-bit groups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140897 91177308-0d34-0410-b5e6-96231b3b80d8
* Move getCommonSubClass() into TRI.Jakob Stoklund Olesen2011-09-30
| | | | | | It will soon need the context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140896 91177308-0d34-0410-b5e6-96231b3b80d8
* Compute lists of super-classes in CodeGenRegisterClass.Jakob Stoklund Olesen2011-09-30
| | | | | | | Use these lists instead of computing them on the fly in RegisterInfoEmitter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140895 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct for my over-eager delete finger.Jim Grosbach2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140892 91177308-0d34-0410-b5e6-96231b3b80d8
* Add definition of MipsELFObjectWriter.Akira Hatanaka2011-09-30
| | | | | | | | | Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140891 91177308-0d34-0410-b5e6-96231b3b80d8
* Register the MC object streamer.Akira Hatanaka2011-09-30
| | | | | | | | | Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140887 91177308-0d34-0410-b5e6-96231b3b80d8
* Register Asm backend. Add functions to MipsAsmBackend.Akira Hatanaka2011-09-30
| | | | | | | | Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140886 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MCELFObjectTargetWriter and MCAsmBackend classes.Akira Hatanaka2011-09-30
| | | | | | | | Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140885 91177308-0d34-0410-b5e6-96231b3b80d8
* Test More Complicated ListsDavid Greene2011-09-30
| | | | | | | Test of indexing lists of lists of lists works. This also exercises some operators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140884 91177308-0d34-0410-b5e6-96231b3b80d8
* Test VarListElementInit:: resolveListElementReferenceDavid Greene2011-09-30
| | | | | | Add a TableGen test to check if indexing lists of lists works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140883 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement VarListElementInit:: resolveListElementReferenceDavid Greene2011-09-30
| | | | | | | Implement VarListElementInit:: resolveListElementReference so that lists of lists can be indexed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140882 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Benjamin Kramer2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140879 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial implementation of MipsMCCodeEmitter.Akira Hatanaka2011-09-30
| | | | | | | | Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140878 91177308-0d34-0410-b5e6-96231b3b80d8
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