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* 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
* 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
* 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
* 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
* 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
* 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
* Don't modify constant in-place.Jim Grosbach2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140875 91177308-0d34-0410-b5e6-96231b3b80d8
* Tracing or debug-printing a newly formed instruction should not crash.Andrew Trick2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140874 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140873 91177308-0d34-0410-b5e6-96231b3b80d8
* Add definitions of Mips64 rotate instructions.Akira Hatanaka2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140870 91177308-0d34-0410-b5e6-96231b3b80d8
* float comparison to double 'zero' constant can just be a float 'zero.'Jim Grosbach2011-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | InstCombine was incorrectly considering the conversion of the constant zero to be unsafe. We want to transform: define float @bar(float %x) nounwind readnone optsize ssp { %conv = fpext float %x to double %cmp = fcmp olt double %conv, 0.000000e+00 %conv1 = zext i1 %cmp to i32 %conv2 = sitofp i32 %conv1 to float ret float %conv2 } Into: define float @bar(float %x) nounwind readnone optsize ssp { %cmp = fcmp olt float %x, 0.000000e+00 ; <---- This %conv1 = zext i1 %cmp to i32 %conv2 = sitofp i32 %conv1 to float ret float %conv2 } rdar://10215914 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140869 91177308-0d34-0410-b5e6-96231b3b80d8
* Constify 'isLSDA' and move a method out-of-line.Bill Wendling2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140868 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Trailing whitespace.Jim Grosbach2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140865 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM Darwin default relocation model is PIC.Jim Grosbach2011-09-30
| | | | | | | | This matches clang, so default options in llc and friends are now closer to clang's defaults. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140863 91177308-0d34-0410-b5e6-96231b3b80d8
* isCommutable should be 0 for DSUBu.Akira Hatanaka2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140862 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM Fixup valus for movt/movw are for the whole value.Jim Grosbach2011-09-30
| | | | | | | | | | Remove an assert that was expecting only the relevant 16bit portion for the fixup being handled. Also kill some dead code in the T2 portion. rdar://9653509 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140861 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in compare_numeric().Jakob Stoklund Olesen2011-09-30
| | | | | | Thanks to Alexandru Dura and Jonas Paulsson for finding it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140859 91177308-0d34-0410-b5e6-96231b3b80d8
* MCJIT initialization TargetDataDanil Malyshev2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140856 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: Various stylistic and code readability changes recommended by Jim Grosbach.Justin Holewinski2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140855 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: Add programmable rounding mode specifier for int <-> fp conversion instrs.Justin Holewinski2011-09-30
| | | | | | Also take this opportunity to clean up the rounding mode pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140854 91177308-0d34-0410-b5e6-96231b3b80d8
* Inlining often produces landingpad instructions with repeatedDuncan Sands2011-09-30
| | | | | | | | | | | | | | | catch or repeated filter clauses. Teach instcombine a bunch of tricks for simplifying landingpad clauses. Currently the code only recognizes the GNU C++ and Ada personality functions, but that doesn't stop it doing a bunch of "generic" transforms which are hopefully fine for any real-world personality function. If these "generic" transforms turn out not to be generic, they can always be conditioned on the personality function. Probably someone should add the ObjC++ personality function. I didn't as I don't know anything about it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140852 91177308-0d34-0410-b5e6-96231b3b80d8
* Comment grammar fixes.Torok Edwin2011-09-30
| | | | | | thanks to Duncan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140850 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: Attempt to cleanup/unify the handling of FP rounding modes. This requiresJustin Holewinski2011-09-30
| | | | | | us to manually provide Pat<> definitions for all FP instruction patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140849 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of crashing when MCAsmInfo is NULL, add an assert.Torok Edwin2011-09-30
| | | | | | | This helps with porting code from 2.9 to 3.0 as TargetSelect.h changed location, and if you include the old one by accident you will trigger this assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140848 91177308-0d34-0410-b5e6-96231b3b80d8
* Mips64 shift instructions.Akira Hatanaka2011-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140841 91177308-0d34-0410-b5e6-96231b3b80d8
* Mips64 arithmetic and logical instructions with one source register andAkira Hatanaka2011-09-30
| | | | | | | immediate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140839 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM fix encoding of VMOV.f32 and VMOV.f64 immediates.Jim Grosbach2011-09-30
| | | | | | | | | | | | | Encode the immediate into its 8-bit form as part of isel rather than later, which simplifies things for mapping the encoding bits, allows the removal of the custom disassembler decoding hook, makes the operand printer trivial, and prepares things more cleanly for handling these in the asm parser. rdar://10211428 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140834 91177308-0d34-0410-b5e6-96231b3b80d8
* Fill delay slot with useful instructions. Modified from Sparc's version of delayAkira Hatanaka2011-09-29
| | | | | | | | | slot filler. Patch by Reed Kotler at Mips Technologies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140825 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a machine basic block in the constant pool and retrieve the symbol ↵Bill Wendling2011-09-29
| | | | | | for an MBB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140824 91177308-0d34-0410-b5e6-96231b3b80d8
* Support creating a constant pool value for a machine basic block.Bill Wendling2011-09-29
| | | | | | | | This is used when we want to take the address of a machine basic block, but it's not associated with a BB in LLVM IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140823 91177308-0d34-0410-b5e6-96231b3b80d8
* Fold two identical set lookups into one. No functionality change.Nick Lewycky2011-09-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140821 91177308-0d34-0410-b5e6-96231b3b80d8
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