llvm-svn: 105828

llvm-svn: 105827

the Profile method.  Currently this only works with the default FoldingSetTraits
implementation.

The point of this is to allow nodes to not store context values which are only
used during profiling.  A better solution would thread this value through the
folding algorithms, but then those would need to be (1) templated and
(2) non-opaque.

llvm-svn: 105819

llvm-svn: 105792

warnings with gcc-4.6, by not setting bits when the result is not
used.

llvm-svn: 105790

with gcc-4.6.  The warning is wrong, since Sub *is* used (perhaps gcc is confused
because the use of Sub is constant folded away?), but since it is trivial to avoid,
and massively reduces the amount of warning spew, just workaround the wrong warning.

llvm-svn: 105788

done some more header trimming, resulting in cstdef being included
by less header files.

llvm-svn: 105786

providing more ways to factor out commonality from the records.

llvm-svn: 105776

llvm-svn: 105775

llvm-svn: 105774

llvm-svn: 105769

dbg_value immediately follows a sequence of ldr/str instructions that should
be combined into an ldm/stm and is the last instruction in the block, then
combine may end up being skipped.

llvm-svn: 105758

llvm-svn: 105750

This is a bit of a hack to make inline asm look more like call instructions.
It would be better to produce correct dead flags during isel.

llvm-svn: 105749

Allow target to place 2-address pass inserted copies in better spots. Thumb2 will use this to try to avoid breaking up IT blocks.

llvm-svn: 105745

   %reg1025 = <sext> %reg1024
    ...
   %reg1026 = SUBREG_TO_REG 0, %reg1024, 4

into this:

   %reg1025 = <sext> %reg1024
    ...
   %reg1027 = EXTRACT_SUBREG %reg1025, 4
   %reg1026 = SUBREG_TO_REG 0, %reg1027, 4

The problem here is that SUBREG_TO_REG is there to assert that an implicit zext
occurs. It doesn't insert a zext instruction. If we allow the EXTRACT_SUBREG
here, it will give us the value after the <sext>, not the original value of
%reg1024 before <sext>.

llvm-svn: 105741

llvm-svn: 105740

  is used to assert that an *implicit* zext is performed.

- Fix grammar-o in INSERT_SUBREG. (required reformatting)

llvm-svn: 105735

This will be used primarily by NEON shift intrinsics.

llvm-svn: 105733

green. Dan, please revert this once the real problem is fixed.

llvm-svn: 105732

refer to the "external node" instead.

llvm-svn: 105731

callgraph SCC's.  This makes it match what the node itself would print.  Also,
"indirect callgraph node" doesn't make sense - it has nothing particularly to
do with indirect calls.

llvm-svn: 105730

llvm-svn: 105726

Pulled CodeMetrics out of InlineCost.h and made it a bit more general, so it can be reused from PartialSpecializationCost

llvm-svn: 105725

We default to inserting to lane 0.

llvm-svn: 105722

random load/store, rather than crashing llc.

llvm-svn: 105710

Parenthesize macro args

llvm-svn: 105682

llvm-svn: 105677

'class llvm::DAGDeltaAlgorithm' has virtual functions and accessible non-virtual destructor

Not sure if this is the best solution, but this class has state and some of the
classes that inherit from it also do, so it looks appropriate.

llvm-svn: 105675

llvm-svn: 105674

the same condition, it's important to make sure they are scheduled together
to avoid forming multiple IT blocks. I'm adding a pre-regalloc pass that forms
IT blocks early (by re-scheduling instructions and split basic blocks) to
attempt to fix this. This is not turned on by default since I am not sure this
is the right fix.

Another issue is llvm selects are modeled as two-address conditional moves.
This can be very bad when the copies before the conditional moves are not
coalesced away. Teach IT formation pass to move the copies above the IT block
(when legal) to avoid breaking the IT block.

llvm-svn: 105669

Handle extract hi/lo with common code

llvm-svn: 105666

llvm-svn: 105665

instruction.  Added the 64-bit version "jrcxz" so it is recognized and also
added the checks for incorrect uses of "jcxz" in 64-bit mode and "jrcxz" in
32-bit mode.  Still to do is to correctly handle the encoding of the
instruction adding the Address-size override prefix byte, 0x67, when the width
of the count register is not the same as the mode the machine is running in.
Which for example means the encoding of "jecxz" depends if you are assembling
as a 32-bit target or a 64-bit target.

llvm-svn: 105661

that rip-relative address when executing in 32-bit mode.

llvm-svn: 105656

llvm-svn: 105653

immediates to avoid breaking the build.

llvm-svn: 105652

the register.  While we're at it, make sure it's in the right one.

llvm-svn: 105645

they are out of date, instead of only testing if they exist.

llvm-svn: 105636

llvm-svn: 105634