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2010-02-24Remove an unused variable. Was this intentional?Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24add node #'s to debug dumps.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97019 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24Added for disassembly VST1 (multiple single elements) which stores elements toJohnny Chen
memory from three or four registers and VST2 (multiple two-element structures) which stores to memory from two double-spaced registers. A8.6.391 & A8.6.393 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97018 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24handle very large call frames when require SPAdj != 0 for Thumb1Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97013 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24LowerCall() should always do getCopyFromReg() to reference the stack pointer.Jim Grosbach
Machine instruction selection is much happier when operands are in virtual registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97012 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24Re-apply 96540 and 96556 with fixes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24Add an argument to PHITranslateValue to specify the DominatorTree. If thisBob Wilson
argument is non-null, pass it along to PHITranslateSubExpr so that it can prefer using existing values that dominate the PredBB, instead of just blindly picking the first equivalent value that it finds on a uselist. Also when the DominatorTree is specified, have PHITranslateValue filter out any result that does not dominate the PredBB. This is basically just refactoring the check that used to be in GetAvailablePHITranslatedSubExpr and also in GVN. Despite my initial expectations, this change does not affect the results of GVN for any testcases that I could find, but it should help compile time. Before this change, if PHITranslateSubExpr picked a value that does not dominate, PHITranslateWithInsertion would then insert a new value, which GVN would later determine to be redundant and would replace. By picking a good value to begin with, we save GVN the extra work of inserting and then replacing a new value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-24DIV8r must define %AX since X86DAGToDAGISel::Select() sometimes uses itJakob Stoklund Olesen
instead of %AL/%AH. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23make selectnodeto set the nodeid to -1. This makes it more akin toChris Lattner
creating a new node then replacing uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Remember to handle sub-registers when moving imp-defs to a rematted instruction.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Keep track of phi join registers explicitly in LiveVariables.Jakob Stoklund Olesen
Previously, LiveIntervalAnalysis would infer phi joins by looking for multiply defined registers. That doesn't work if the phi join is implicitly defined in all but one of the predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Fix rev 96389 by restricting the xform to mask that's either signbit or max ↵Evan Cheng
signed value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96990 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23This is the second patch to allow x86 code to be aligned with optimal nops.Kevin Enderby
With the compiler changed to use EmitCodeAlignment() it does change the functionality. But X86 assembly code assembled with llvm-mc does not change its output. For that we will eventually change the assembler frontend to detect a '.align x, 0x90' when used in a section that 'hasInstructions' and use EmitCodeAlignment, but will wait until we have better target hooks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96988 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Don't mark call instruction as a barrier.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96983 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Added for disassembly VLD1 (multiple single elements) which loads memory intoJohnny Chen
three or four registers and VLD2 (multiple two-element structures) which loads memory into two double-spaced registers. A8.6.307 & A8.6.310 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96980 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Use the module's context instead of the global context.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96977 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23no need to override IsLegalToFold, the base implementationChris Lattner
disables load folding at -O0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96973 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23fix a bug in findNonImmUse (used by IsLegalToFold) where nodes withChris Lattner
no id's would cause early exit allowing IsLegalToFold to return true instead of false, producing a cyclic dag. This was striking the new isel because it isn't using SelectNodeTo yet, which theoretically is just an optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96972 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Print node ID's in dumps and views if set.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96971 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Adding the MicroBlaze backend.Wesley Peck
The MicroBlaze is a highly configurable 32-bit soft-microprocessor for use on Xilinx FPGAs. For more information see: http://www.xilinx.com/tools/microblaze.htm http://en.wikipedia.org/wiki/MicroBlaze The current LLVM MicroBlaze backend generates assembly which can be compiled using the an appropriate binutils assembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96969 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23use OutStreamer.EmitCodeAlignment for alignment in the textChris Lattner
segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96967 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23genericize MCAsmStreamer::EmitCodeAlignment to support other targetsChris Lattner
so that it doesn't break them when the code generator starts using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96966 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23ECALLF, ECALLT shouldn't be marked as barriers.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96964 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23This is the first patch to put the needed bits in place to eventually allow codeKevin Enderby
to be aligned with optimal nops. This patch does not change any functionality and when the compiler is changed to use EmitCodeAlignment() it should also not change the resulting output. Once the compiler change is made and everything looks good the next patch with the table of optimal X86 nops will be added to WriteNopData() changing the output. There are many FIXMEs in this patch which will be removed when we have better target hooks (coming soon I hear). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96963 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Mark unconditional branches as barriers. Found using -verify-machineinstrsRichard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96960 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Speed up cycle checking significantly by caching results.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96956 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Don't do (X != Y) ? X : Y -> X for floating-point values; it doesn'tDan Gohman
handle NaN properly. Do (X une Y) ? X : Y -> X if one of X and Y is not zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96955 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Spelling. s/suppor /support /Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96954 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Remove the code which constant-folded ptrtoint(inttoptr(x)+c) toDan Gohman
getelementptr. Despite only doing so in the case where x is a known array object and c can be converted to an index within range, this could still be invalid if c is actually the address of an object allocated outside of LLVM. Also, SCEVExpander, the original motivation for this code, has since been improved to avoid inttoptr+ptroint in more cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Remove unused lowering function LowerJumpTableRichard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96943 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Lower BR_JT on the XCore to a jump into a series of jump instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Input files with empty suffixes must be passed to linker.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96927 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Temporary disable response files.Mikhail Glushenkov
They are giving us problems on Mac. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96925 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Implement order-preserving option forwarding.Mikhail Glushenkov
Needed to correctly handle things like 'llvmc -framework Foo foo.o -framework Bar bar.o' - before this commit all '-framework' options would've been grouped together in the beginning. Due to our dependence on CommandLine this turned out to be a giant hack; we will migrate away from CommandLine eventually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96922 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Correct option forwarding: initial implementation.Mikhail Glushenkov
Does not work, but the infrastructure changes are in place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23New experimental/undocumented feature: 'works_on_empty'.Mikhail Glushenkov
For now, just enough support to make -filelist work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96918 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23disable two patterns that are using non-sensical result pattern types.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96903 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23remove a confused pattern that is trying to match an addressChris Lattner
then use it as an MMX register (!?). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96901 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23remove a bunch of dead named arguments in input patterns,Chris Lattner
though some look dubious afaict, these are all ok. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23fix a type mismatch in this pattern, where we were using an i64 imm in a Chris Lattner
place where an i32 imm was required, the old isel just got lucky. This fixes CodeGen/X86/x86-64-and-mask.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96894 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Update memdep when load PRE inserts a new load, and add some debug output.Bob Wilson
I don't have a small testcase for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23reapply my cellspu changes with a fix to not break the old isel.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Revert 96854, 96852, and 96849, unbreaking test/CodeGen/CellSPU/i64ops.ll.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96871 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23X86InstrInfoSSE.td declares PINSRW as having type v8i16,Chris Lattner
don't alis it in the MMX .td file with a different width, split into two X86ISD opcodes. This fixes an x86 testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96859 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Added versions of VCGE, VCGT, VCLE, and VCLT NEON instructions which compare toJohnny Chen
(immediate #0) for disassembly only. A8.6.283, A8.6.285, A8.6.287, A8.6.290 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23fix hte last cellspu failure.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96854 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23hack around more crimes in instruction selection.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96852 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23the cell backend is making all sorts of unsafe and incorrect assumptions Chris Lattner
about ownership and update policies. It isn't clear why it is doing all this lowering at isel time instead of in legalize. This fixes fcmp64.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Added VCEQ (immediate #0) NEON instruction for disassembly only.Johnny Chen
A8.6.281 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96838 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23Dead code eliminationJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96837 91177308-0d34-0410-b5e6-96231b3b80d8
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