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2010-07-09cache result of operator* (found by inspection)Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107971 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107969 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107968 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107967 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09cache result of operator*Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107966 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09cache operator*'s result (in multiple functions)Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107965 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09do not repeatedly dereference use_iteratorGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107963 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09do not repeatedly dereference use_iteratorGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Avoid creating %physreg:subidx operands in ↵Jakob Stoklund Olesen
SimpleRegisterCoalescing::RemoveCopyByCommutingDef. This fixes PR7602. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Deal with a few remaining spots that assume physical registers have live ↵Jakob Stoklund Olesen
intervals. This fixes PR7601. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107955 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Merge VEX enums with other x86 enum forms. Also fix all checks of which VEXBruno Cardoso Lopes
fields to use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Fix broken isCopy handling in TrimLiveIntervalToLastUse.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Handle COPY in VirtRegRewriter.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Fix the memoperand offsets in code generated for va_start.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09have the mc lowering process handle a few tail call forms, lowering them toChris Lattner
jumps where possible and turning the TAILCALL marker in the instruction asm string into a proper comment. This eliminates a FIXME and is on the path to finishing: rdar://7639610 - eliminate encoding and asm info for TAILJMPd TAILJMPr TAILJMPn, etc. However, I can't eliminate the encodings for these instructions because the JIT still exists and has its own copy of the encoder, sigh. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107946 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Print "dregpair" NEON operands with a space between them, for readability andBob Wilson
consistency with other instructions that have lists of register operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emittingDan Gohman
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107943 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Factor out x86 segment override prefix encoding, and also use it for VEXBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Reenable DAG combining for vector shuffles. It looks like it was temporarilyBob Wilson
disabled and then never turned back on again. Adjust some tests, one because this change avoids an unnecessary instruction, and the other to make it continue testing what it was intended to test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107941 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09reject pseudo instructions early in the encoder.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107939 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Remove trailing whitespaces from fileBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107937 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Change LEA to have 5 operands for its memory operand, justChris Lattner
like all other instructions, even though a segment is not allowed. This resolves a bunch of gross hacks in the encoder and makes LEA more consistent with the rest of the instruction set. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Reverting r107918 and r107919. Radar 8063111.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107930 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Revert "Fix broken isCopy handling in TrimLiveIntervalToLastUse"Jakob Stoklund Olesen
This reverts commit 107921. It broke the clang self host. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107926 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08add some long-overdue enums to refer to the parts of the 5-operandChris Lattner
X86 memory operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107925 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Relax assertion. In optimized code, it is possible that first instruction is ↵Devang Patel
coming from a inlined function. This fixes PR7596 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107923 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Extension of r107506. Make sure that we don't mark a function as having a callBill Wendling
if the inline ASM doesn't need a stack frame. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107922 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Fix broken isCopy handling in TrimLiveIntervalToLastUseJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Remember the VR64 register classJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Fix decl/def debug info for template functions. Radar 8063111.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107919 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Rework segment prefix emission code to handle segmentsChris Lattner
in memory operands at the same type as hard coded segments. This fixes problems where we'd emit the segment override after the REX prefix on instructions like: mov %gs:(%rdi), %rax This fixes rdar://8127102. I have several cleanup patches coming next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08introduce a new X86II::getMemoryOperandNo method, whichChris Lattner
returns the start of the memory operand for an instruction. Introduce a new "X86AddrSegment" enum to reduce # magic numbers referring to X86 memory operand layout. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Switch SPU calling convention (function arguments) Kalle Raiskila
to a Tablegen implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Revert some unneeded parts of the change in r107886 for theKevin Enderby
.weak_def_can_be_hidden directive. Chris pointed out that the MCAsmInfo.h/.cpp chunks aren't needed for this until the compiler starts generating these. And when that happens it will be more convenient for it to be a bool than a const char*. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Check for FiniteOnlyFPMath as well.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Reuse DIEInteger for 1. This is frequently used while emitting an attribute ↵Devang Patel
using dwarf::DW_FORM_flag form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107903 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Teach the x86 floating point stackifier to handle COPY instructions.Jakob Stoklund Olesen
This pass runs before COPY instructions are passed to copyPhysReg, so we simply translate COPY to the proper pseudo instruction. Note that copyPhysReg does not handle floating point stack copies. Once COPY is used everywhere, this can be cleaned up a bit, and most of the pseudo instructions can be removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Implement X86InstrInfo::copyPhysRegJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107898 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08The NEONPreAllocPass should never have to assign fixed registers anymore.Bob Wilson
This pass can go away entirely soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107892 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08For big-endian systems, VLD2/VST2 with 32-bit vector elements will swap theBob Wilson
words within the 64-bit D registers. Use VLD1/VST1 with 64-bit elements instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Added the darwin .weak_def_can_be_hidden directive.Kevin Enderby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107886 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Clean up a comment.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107882 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Clean up scavengeRegister() a bit to prefer available regs, which allowsJim Grosbach
the simplification of frame index register scavenging to not have to check for available registers directly and instead just let scavengeRegister() handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107880 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Convert EXTRACT_SUBREG to COPY when emitting machine instrs.Jakob Stoklund Olesen
EXTRACT_SUBREG no longer appears as a machine instruction. Use COPY instead. Add isCopy() checks in many places using isMoveInstr() and isExtractSubreg(). The isMoveInstr hook will be removed later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107879 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Remove references to INSERT_SUBREG after de-SSA.Jakob Stoklund Olesen
Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of INSERT_SUBREG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107878 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Merge the duplicated iabs optimization in DAGCombiner and let it detected a ↵Benjamin Kramer
few more idioms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107868 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Teach instcombine to transformBenjamin Kramer
(X >s -1) ? C1 : C2 and (X <s 0) ? C2 : C1 into ((X >>s 31) & (C2 - C1)) + C1, avoiding the conditional. This optimization could be extended to take non-const C1 and C2 but we better stay conservative to avoid code size bloat for now. for int sel(int n) { return n >= 0 ? 60 : 100; } we now generate sarl $31, %edi andl $40, %edi leal 60(%rdi), %eax instead of testl %edi, %edi movl $60, %ecx movl $100, %eax cmovnsl %ecx, %eax git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107866 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08A slight reworking of the custom patterns for x86-64 tpoff codegen andEric Christopher
correct the testcase for valid assembly. Needs more tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107860 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08r107852 is only safe with -enable-unsafe-fp-math to account for +0.0 == -0.0.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Add TargetInstrInfo::copyPhysReg hook and use it from LowerSubregs.Jakob Stoklund Olesen
This target hook is intended to replace copyRegToReg entirely, but for now it calls copyRegToReg. Any remaining calls to copyRegToReg wil be replaced by COPY instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107854 91177308-0d34-0410-b5e6-96231b3b80d8
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