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2011-06-27Remove the experimental (and unused) pre-ra splitting pass. Greedy regalloc ↵Evan Cheng
can split live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27indvars -disable-iv-rewrite: run RLEV after SimplifyIVUsers forAndrew Trick
a bit more control over the order SCEVs are evaluated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Revert r133516 "Remove some unnecessary uses of c_str()."Chad Rosier
This was causing compile-time failures for some of the Objc and Obj-C++ benchmarks. The specific errors were of the form: "ld: duplicate symbol …" rdar://9660124 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133955 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27During bottom up fast-isel, instructions emitted to materalize registers are ↵Devang Patel
at top of basic block and do not have debug location. This may misguide debugger while entering the basic block and sometimes debugger provides semi useful view of current location to developer by picking up previous known location as current location. Assign a sensible location to the first instruction in a basic block, if it does not have one location derived from source file, so that debugger can provide meaningful user experience to developers in edge cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Fix this test to actually check something and be able to be compiled.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133952 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Calculate GetBestDestForJumpOnUndef correctly.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133946 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM Asm parsing of Thumb2 move immediate.Jim Grosbach
Thumb2 MOV mnemonic can accept both cc_out and predication. We don't (yet) encode the instruction properly, but this gets the parsing part. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133945 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27More refactoring. Move getRegClass from TargetOperandInfo to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133944 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Add support for alternative register names, useful for instructions whose ↵Owen Anderson
operands are logically equivalent to existing registers, but happen to be printed specially. For example, an instruciton that prints d0[0] instead of s0. Patch by Jim Grosbach. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133940 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Add exception necessitated by 133938.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133939 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM assembly carry set/clear condition code aliases for 'hi/lo'Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133938 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM assembler support for ldmfd/stmfd mnemonics.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Allow lr in the register options here.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM assembler support for vpush/vpop.Jim Grosbach
Add aliases for the vpush/vpop mnemonics to the VFP load/store multiple writeback instructions w/ SP as the base pointer. rdar://9683231 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Rename unnecessary forward declaration.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133928 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27More refactoring. MC doesn't need know about subreg indices.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133927 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM Assembly syntax support for arithmetic implied dest operand.Jim Grosbach
When the destination operand is the same as the first source register operand for arithmetic instructions, the destination operand may be omitted. For example, the following two instructions are equivalent: sub r2, r2, #6 sub r2, #6 rdar://9682597 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133925 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27The index stored in the RegDefIter is one after the current index. When ↵Owen Anderson
getting the index, decrement it so that it points to the current element. Fixes an off-by-one bug encountered when trying to make use of MVT::untyped. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133923 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Merge XXXGenRegisterDesc.inc XXXGenRegisterNames.inc XXXGenRegisterInfo.h.incEvan Cheng
into XXXGenRegisterInfo.inc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27pre-RA-sched: Cleanup register pressure tracking.Andrew Trick
Removed the check that peeks past EXTRA_SUBREG, which I don't think makes sense any more. Intead treat it as a normal register def. No significant affect on x86 or ARM benchmarks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133917 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Move all inline-asm-fpstack tests to a single file.Jakob Stoklund Olesen
Also fix some of the tests that were actually testing wrong behavior - An input operand in {st} is only popped by the inline asm when {st} is also in the clobber list. The original bug reports all had ~{st} clobbers as they should. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133916 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Track live-out physical registers in MachineDCE.Jakob Stoklund Olesen
Patch by Sanjoy Das! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Teach one piece of scalarrepl to handle lifetime markers. When transforming anNick Lewycky
alloca that only holds a copy of a global and we're going to replace the users of the alloca with that global, just nuke the lifetime intrinsics. Part of PR10121. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by otherNick Lewycky
passes as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Grow the X86FloatingPoint register map to hold 16 registers.Jakob Stoklund Olesen
This allows for more live scratch registers which is needed to handle live ST registers before return and inline asm instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Distinguish early clobber output operands from clobbered registers.Jakob Stoklund Olesen
Both become <earlyclobber> defs on the INLINEASM MachineInstr, but we now use two different asm operand kinds. The new Kind_Clobber is treated identically to the old Kind_RegDefEarlyClobber for now, but x87 floating point stack inline assembly does care about the difference. This will pop a register off the stack: asm("fstp %st" : : "t"(x) : "st"); While this will pop the input and push an output: asm("fst %st" : "=&t"(r) : "t"(x)); We need to know if ST0 was a clobber or an output operand, and we can't depend on <dead> flags for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133902 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Decode and pretty print inline asm operand descriptors.Jakob Stoklund Olesen
The INLINEASM MachineInstrs have an immediate operand describing each original inline asm operand. Decode the bits in MachineInstr::print() so it is easier to read: INLINEASM <es:rorq $1,$0>, $0:[regdef], %vreg0<def>, %vreg1<def>, $1:[imm], 1, $2:[reguse] [tiedto:$0], %vreg2, %vreg3, $3:[regdef-ec], %EFLAGS<earlyclobber,imp-def> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26Remove unused methods.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133900 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26There is only one register coalescer. Merge it into the base class andRafael Espindola
remove the analysis group. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133899 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26Merge SimpleRegisterCoalescing.cpp into RegisterCoalescer.cpp.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133897 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26merge SimpleRegisterCoalescing.h into RegisterCoalescer.h.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133896 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26Move RegisterCoalescer.h to lib/CodeGen.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133895 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-26Remove unnecessary wrapper.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25PTX: corrected tests that were failingDan Bailey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133875 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Replace dyn_cast<> with cast<> since the cast is already guarded by the ↵Chad Rosier
necessary check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25PTX: Reverting implementation of i8.Dan Bailey
The .b8 operations in PTX are far more limiting than I first thought. The mov operation isn't even supported, so there's no way of converting a .pred value into a .b8 without going via .b16, which is not sensible. An improved implementation needs to use the fact that loads and stores automatically extend and truncate to implement support for EXTLOAD and TRUNCSTORE in order to correctly support boolean values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133873 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Object: Add proper error handling.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133872 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Modify llvm-nm to use new Binary creation method.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133871 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Make Binary the parent of ObjectFile and update children to new interface.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133870 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Add Binary class. This is a cleaner parent than ObjectFile.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133869 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Add Object/Error.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Enhance the sanity check for block sizes; check that the resulting pointer isNick Lewycky
pointing to the range [first character, last character] instead of just not after the last character. Patch by Yan Ivnitskiy! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Test case for r133858 (tail call optimize in the presence of byval).Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133863 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Update CMake library dependencies.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133859 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Enable tail call optimization in the presence of a byval (x86-32 and x86-64).Chad Rosier
<rdar://problem/9483883> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133858 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Move ARM-specific test to ARM directory.Jim Grosbach
Hopefully make the x86-target-only Windows bots happy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133856 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Unbreak CMake buildDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133853 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25Remove dead typedefs.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24Add include guard.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24Rename TargetDesc to MCTargetDescEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133846 91177308-0d34-0410-b5e6-96231b3b80d8
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