subregister query, and by increasing the size of the subregister hashtable so
that there are fewer collisions.

llvm-svn: 54781

llvm-svn: 54780

invalidating the iterator by deleting the current use. This fixes a segfault on
64 bit linux reported in PR2675.

Also remove an unneeded if.

llvm-svn: 54778

llvm-svn: 54770

can have a non-negative result; for example, -16%16 is 0. Also,
clarify the related comments. This fixes PR2670.

llvm-svn: 54767

llvm-svn: 54766

llvm-svn: 54765

non-constant indices. Only a few of the peephole checks require
a constant index.

llvm-svn: 54764

Make the allocation of LiveIntervals explicit, rather than holding them in the r2iMap_ by value.  This will prevent references to them from being invalidated
if the map is changed.

llvm-svn: 54763

track individual leaf values in such cases, so it needs to treat
struct values as normal values in this case.

llvm-svn: 54760

llvm-svn: 54754

ptrtoint can be turned into a bitcast if the
integer is at least as wide as a pointer.

llvm-svn: 54752

the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.

llvm-svn: 54751

llvm-svn: 54750

room for the new FastISel instruction selection code.

llvm-svn: 54749

llvm-svn: 54745

llvm-svn: 54744

llvm-svn: 54742

2) Conditionalize temporary insertion if we don't need it.

llvm-svn: 54741

is lowered properly and covers everything LowerSELECT_CC did.
Added method printUnsignedImm in AsmPrinter to print uimm16 operands. This
avoid the ugly instruction by instruction checking in printOperand.
Added a swap instruction present in the allegrex core.
Added two conditional instructions present in the allegrex core : MOVZ and MOVN.
They both allow a more efficient SELECT operation for integers.
Also added SELECT patterns to optimize MOVZ and MOVN usage.
The brcond and setcc patterns were cleaned: redundant and suboptimal patterns
were
removed. The suboptimals were replaced by more efficient ones.
Fixed some instructions that were using immZExt16 instead of immSExt16.

llvm-svn: 54724

llvm-svn: 54710

rather than the absolute address if the target is within range.

llvm-svn: 54708

llvm-svn: 54707

llvm-svn: 54700

continue past the first conditional branch when looking for a
relevant test. This helps it avoid using MAX expressions in
loop trip counts in more cases.

llvm-svn: 54697

llvm-svn: 54695

non_lazy_ptr mechanism on x86-64 Darwin JIT.  Fixes a bunch
of last night's failures.

llvm-svn: 54692

llvm-svn: 54688

through multiple nodes in a bucket.

llvm-svn: 54687

llvm-svn: 54685

Use inversed map for faster queries.

llvm-svn: 54662

model, except for external calls; this makes
addressing modes PC-relative.  Incomplete.

The assertion at the top of Emitter::runOnMachineFunction
was obviously bogus (always true) so I removed it.
If someone knows what the correct test should be to cover
all the various targets, please fix.

llvm-svn: 54656

Kovarththanan Rajaratnam!

llvm-svn: 54655

do for scalars.  Patch contributed by Nicolas Capens

This also generalizes the previous xforms to work on long double, now that 
isExactlyValue works for long double.

llvm-svn: 54653

getAnalysisUsage() repeatedly.

llvm-svn: 54650

of stack objects. This fixes PR2656.

llvm-svn: 54646

llvm-svn: 54644

llvm-svn: 54603

llvm-svn: 54602

type lattice value for an Argument*, giving clients the opportunity to
use something other than Top for it if they choose to."

Patch by John McCall!

llvm-svn: 54589