Expanded the documentation for constant expressions to cover select
and extractelement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25183 91177308-0d34-0410-b5e6-96231b3b80d8

Int immediate loading fix

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25182 91177308-0d34-0410-b5e6-96231b3b80d8

Added support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25181 91177308-0d34-0410-b5e6-96231b3b80d8

Added lower packed support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25180 91177308-0d34-0410-b5e6-96231b3b80d8

Added selection DAG support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25179 91177308-0d34-0410-b5e6-96231b3b80d8

Added bytecode support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25178 91177308-0d34-0410-b5e6-96231b3b80d8

Added lexer and parser support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25177 91177308-0d34-0410-b5e6-96231b3b80d8

Added an instruction and constant expression for the extractelement
operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25176 91177308-0d34-0410-b5e6-96231b3b80d8

For PR411:
First step in refactoring the SymbolTable is to split it into two classes,
one for a symbol table of types and one for a symbol table of Values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25175 91177308-0d34-0410-b5e6-96231b3b80d8

Make ValueSymbolTable (temporarily) a friend of Value so it can mod the
Name of Value instances.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25174 91177308-0d34-0410-b5e6-96231b3b80d8

Minor cleanup, no functionality change for current targets

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25173 91177308-0d34-0410-b5e6-96231b3b80d8

heh, 'sif it'd be a legalizer bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25172 91177308-0d34-0410-b5e6-96231b3b80d8

support functions that return bool (this "should" work but doesn't,
*maybe* due to a legalizer bug.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25171 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unused inclusion of SymbolTable.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25170 91177308-0d34-0410-b5e6-96231b3b80d8

For PR521:
With these patches we implement the ability for the Linker library to
keep track of which libraries were actually bytecode files (not archives)
and cause their users to remove such files from the list of libraries to
pass to the native linker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25169 91177308-0d34-0410-b5e6-96231b3b80d8

Be a little more explanatory in a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25168 91177308-0d34-0410-b5e6-96231b3b80d8

Remove a comment that no longer applies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25167 91177308-0d34-0410-b5e6-96231b3b80d8

Give PPCISD:: nodes legible names in dumps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25166 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an exponential function in libcall insertion to not be exponential. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25165 91177308-0d34-0410-b5e6-96231b3b80d8

add ret void support back

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25164 91177308-0d34-0410-b5e6-96231b3b80d8

* Added undef patterns.
* Some reorg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25163 91177308-0d34-0410-b5e6-96231b3b80d8

More typos

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25162 91177308-0d34-0410-b5e6-96231b3b80d8

typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25160 91177308-0d34-0410-b5e6-96231b3b80d8

proper branch not equal sequence

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25159 91177308-0d34-0410-b5e6-96231b3b80d8

Support for ADD_PARTS, SUB_PARTS, SHL_PARTS, SHR_PARTS, and SRA_PARTS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25158 91177308-0d34-0410-b5e6-96231b3b80d8

* Allow custom lowering of ADD_PARTS, SUB_PARTS, SHL_PARTS, SRA_PARTS,
and SRL_PARTS.
* Fix a bug that caused *_PARTS to be custom lowered twice.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25157 91177308-0d34-0410-b5e6-96231b3b80d8

New getNode() variants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25156 91177308-0d34-0410-b5e6-96231b3b80d8

New DAG node properties SNDPInFlag, SNDPOutFlag, and SNDPOptInFlag to replace
hasInFlag, hasOutFlag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25155 91177308-0d34-0410-b5e6-96231b3b80d8

* Remove instruction fields hasInFlag / hasOutFlag and added SNDPInFlag and
SNDPOutFlag to DAG nodes. These properties do not belong to target specific
instructions.
* Added DAG node property SNDPOptInFlag. It's same as SNDPInFlag except it's
optional. Used by ret / call, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25154 91177308-0d34-0410-b5e6-96231b3b80d8

Teach loopsimplify to update et-forest.  Patch contributed by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25153 91177308-0d34-0410-b5e6-96231b3b80d8

Bugfix for etforest updating.  Contributed by Daniel Berlin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25152 91177308-0d34-0410-b5e6-96231b3b80d8

Saem Ghani's PassManager Patch #8:
This fixes a "gccass" regression. The -debug-pass=Structure option now
prints all the appropriate output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25151 91177308-0d34-0410-b5e6-96231b3b80d8

Add some documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25150 91177308-0d34-0410-b5e6-96231b3b80d8

Fix line length of a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25149 91177308-0d34-0410-b5e6-96231b3b80d8

Visual Studio hates being left out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25148 91177308-0d34-0410-b5e6-96231b3b80d8

Fix the build on platforms where <cassert> doesn't define NULL

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25147 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a problem exposed by the et-forest work.  Load-vn needs these passes live
whenever it is live, not just when load-vn is computed initially

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25146 91177308-0d34-0410-b5e6-96231b3b80d8

Add an entry

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25145 91177308-0d34-0410-b5e6-96231b3b80d8

Initial implementation of the ET-Forest data structure for dominators and
post-dominators.  This code was written/adapted by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25144 91177308-0d34-0410-b5e6-96231b3b80d8

Fix out of date comments, patch by Marco Matthies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25143 91177308-0d34-0410-b5e6-96231b3b80d8

Patch #7 from Saem:

"added the asserts and casts, fixed the comments and started the break
down of the larger methods.  A few more patches and the breakdown
should be complete."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25142 91177308-0d34-0410-b5e6-96231b3b80d8

Fix the PPC JIT failures last night, which were due to mishandling of linkonce globals

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25141 91177308-0d34-0410-b5e6-96231b3b80d8

Wrap long lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25140 91177308-0d34-0410-b5e6-96231b3b80d8

wrap long line

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25139 91177308-0d34-0410-b5e6-96231b3b80d8

Modify this test to not depend on the host math.h implementation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25138 91177308-0d34-0410-b5e6-96231b3b80d8

fix some 176.gcc miscompilation from my previous patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25137 91177308-0d34-0410-b5e6-96231b3b80d8

* Added integer div / rem.
* Fixed a load folding bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25136 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed Makefile so it does, indeed, build a dynamic library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25135 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed a typo; "= 1" was missing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25134 91177308-0d34-0410-b5e6-96231b3b80d8

Pattern complexity calculation fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25133 91177308-0d34-0410-b5e6-96231b3b80d8

ISEL code for MULHU, MULHS, and UNDEF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25132 91177308-0d34-0410-b5e6-96231b3b80d8

make 0 codegen much better

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25131 91177308-0d34-0410-b5e6-96231b3b80d8

silence some bogus gcc warnings on fenris

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25130 91177308-0d34-0410-b5e6-96231b3b80d8

silence a bogus gcc warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25129 91177308-0d34-0410-b5e6-96231b3b80d8

Enhance the shift-shift folding code to allow a no-op cast to occur in between
the shifts.

This allows us to fold this (which is the 'integer add a constant' sequence
from cozmic's scheme compmiler):

int %x(uint %anf-temporary776) {
        %anf-temporary777 = shr uint %anf-temporary776, ubyte 1
        %anf-temporary800 = cast uint %anf-temporary777 to int
        %anf-temporary804 = shl int %anf-temporary800, ubyte 1
        %anf-temporary805 = add int %anf-temporary804, -2
        %anf-temporary806 = or int %anf-temporary805, 1
        ret int %anf-temporary806
}

into this:

int %x(uint %anf-temporary776) {
        %anf-temporary776 = cast uint %anf-temporary776 to int
        %anf-temporary776.mask1 = add int %anf-temporary776, -2
        %anf-temporary805 = or int %anf-temporary776.mask1, 1
        ret int %anf-temporary805
}

note that instcombine already knew how to eliminate the AND that the two
shifts fold into.  This is tested by InstCombine/shift.ll:test26

-Chris

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25128 91177308-0d34-0410-b5e6-96231b3b80d8

A case that instcombine is not catching.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25127 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify the code a bit more

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25126 91177308-0d34-0410-b5e6-96231b3b80d8

Extract a bunch of code out of visitShiftInst into FoldShiftByConstant.  No
functionality changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25125 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak the build :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25124 91177308-0d34-0410-b5e6-96231b3b80d8

Addd (shl x, 1) ==> (shl x, x) peepholes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25123 91177308-0d34-0410-b5e6-96231b3b80d8

Tweak pattern complexity calc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25122 91177308-0d34-0410-b5e6-96231b3b80d8

Revert the previous check-in. Leave shl x, 1 along for target to deal with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25121 91177308-0d34-0410-b5e6-96231b3b80d8

fold (shl x, 1) -> (add x, x)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25120 91177308-0d34-0410-b5e6-96231b3b80d8

linkonce symbols have an extra indirection, just like weak ones do.  This fixes
Prolangs-C++/family and Prolangs-C++/primes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25119 91177308-0d34-0410-b5e6-96231b3b80d8

* Fast call support.
* FP cmp, setcc, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25117 91177308-0d34-0410-b5e6-96231b3b80d8

Support for custom lowering of ISD::RET.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25116 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix wrt chain operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25115 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a compile crash building MultiSource/Applications/d with the new front-end.
The PPC backend was generating random shift counts in this case, due to an
uninitialized variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25114 91177308-0d34-0410-b5e6-96231b3b80d8

Added the spec for the new "extractelement" instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25113 91177308-0d34-0410-b5e6-96231b3b80d8

Implement a few symbolic constant folding things.  X ? Y : Y is Y.

Fold:
seteq ({ short }* cast (int 1 to { short }*), { short }* null)
setlt ({ short }* cast (int 1 to { short }*), { short }* cast (int 2 to { short }*))

to false/true.  These last two commonly occur in the output of compilers that
tag integers, like cozmic's scheme compiler.

Tested by Regression/Assembler/ConstantExprFold.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25112 91177308-0d34-0410-b5e6-96231b3b80d8

new tests, derived from cosmics scheme output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25111 91177308-0d34-0410-b5e6-96231b3b80d8

fix some formatting problems

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25110 91177308-0d34-0410-b5e6-96231b3b80d8

unbreak the build, these are now in TargetSelectionDAG.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25109 91177308-0d34-0410-b5e6-96231b3b80d8

Added ConstantFP patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25108 91177308-0d34-0410-b5e6-96231b3b80d8

Added fpimm node for ConstantFP.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25107 91177308-0d34-0410-b5e6-96231b3b80d8

Grammer correction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25106 91177308-0d34-0410-b5e6-96231b3b80d8

Had expand logic backward.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25105 91177308-0d34-0410-b5e6-96231b3b80d8

Added initial support for DEBUG_LABEL allowing debug specific labels to be
inserted in the code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25104 91177308-0d34-0410-b5e6-96231b3b80d8

DAG based isel call support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25103 91177308-0d34-0410-b5e6-96231b3b80d8

Remove some dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25102 91177308-0d34-0410-b5e6-96231b3b80d8

remove unused header

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25101 91177308-0d34-0410-b5e6-96231b3b80d8

Applied some recommend changes from sabre.  The dominate one beginning "let the
pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25100 91177308-0d34-0410-b5e6-96231b3b80d8

Be consistent in using class vs struct to make VC++ happy.  And as it contains
methods, virtual method even, class wins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25098 91177308-0d34-0410-b5e6-96231b3b80d8

Teach Visual Studio about new file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25097 91177308-0d34-0410-b5e6-96231b3b80d8

Add unique id to debug location for debug label use (work in progress.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25096 91177308-0d34-0410-b5e6-96231b3b80d8

Add check for debug presence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25095 91177308-0d34-0410-b5e6-96231b3b80d8

Add flag for debug presence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25094 91177308-0d34-0410-b5e6-96231b3b80d8

Tie dwarf generation to darwin assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25093 91177308-0d34-0410-b5e6-96231b3b80d8

1. Make MachineDebugInfo a pass.

2. Add label uniquing code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25092 91177308-0d34-0410-b5e6-96231b3b80d8

Move MachineDebugInfo to module level location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25091 91177308-0d34-0410-b5e6-96231b3b80d8

Moving MachineDebugInfo to module level location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25090 91177308-0d34-0410-b5e6-96231b3b80d8

Change how MachineDebugInfo is fetched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25089 91177308-0d34-0410-b5e6-96231b3b80d8

Adding MachineDebugInfo as a immutable pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25088 91177308-0d34-0410-b5e6-96231b3b80d8

Adding new files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25087 91177308-0d34-0410-b5e6-96231b3b80d8

Extending MachineDebugInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25086 91177308-0d34-0410-b5e6-96231b3b80d8

Patch #6's in Saem's refactor-the-passmanager patch series.  From him:

This sanitises the world, blows away the specialisations and adds
traits per passmanager type -- seemed most natural.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25085 91177308-0d34-0410-b5e6-96231b3b80d8

add a comment that I should have written a long time ago

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25084 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for targets (like Alpha) that have terminator instructions which
use virtual registers.  We now allow the first instruction in a block of
terminators to use virtual registers, and update phi elimination to correctly
update livevar when eliminating phi's.  This fixes a problem on a testcase
Andrew sent me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25083 91177308-0d34-0410-b5e6-96231b3b80d8

Update list of supported bisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25082 91177308-0d34-0410-b5e6-96231b3b80d8

Add an assertion, update DefInst even though no one uses it (dangling pointers
don't help anyone)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25081 91177308-0d34-0410-b5e6-96231b3b80d8