Another rewriter bug exposed by recent coalescer changes. ReuseInfo::GetRegForReload() should make sure the "switched" register is in the desired register class. I'm surprised this hasn't caused more failures in the past.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76558 91177308-0d34-0410-b5e6-96231b3b80d8

Add missing include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76555 91177308-0d34-0410-b5e6-96231b3b80d8

Switch this API to StringRef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76554 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify / normalize some uses of Value::getName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76553 91177308-0d34-0410-b5e6-96231b3b80d8

Add StringRef class, with fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76543 91177308-0d34-0410-b5e6-96231b3b80d8

unbreak unit-tests on gcc-4.4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76542 91177308-0d34-0410-b5e6-96231b3b80d8

Remove some unused code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76541 91177308-0d34-0410-b5e6-96231b3b80d8

Support adding relocations for data sections, handling the cases where
global declared symbols are initialized with references from other global
symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76540 91177308-0d34-0410-b5e6-96231b3b80d8

remove a very large testcase for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76537 91177308-0d34-0410-b5e6-96231b3b80d8

Add jumps with 8-bit relocation for assembler / disassembler. Patch by Sean Callanan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76536 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a dagga combiner bug: avoid creating illegal constant.

Is this really a winning transformation?
fold (shl (srl x, c1), c2) -> (shl (and x, (shl -1, c1)), (sub c2, c1)) or
                              (srl (and x, (shl -1, c1)), (sub c1, c2))

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76535 91177308-0d34-0410-b5e6-96231b3b80d8

Move a bit more state over to the LLVMContext.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76533 91177308-0d34-0410-b5e6-96231b3b80d8

Add the following functions:

- SYSCALL (normal fast system call instruction) [0f 05]
- SYSENTER (system call entry instruction) [0f 34]
- SYSEXIT (system call exit instruction) [0f 35]
- SYSEXIT64 (system call exit instruction to 64-bit user code) [REX.W 0f 35]
- SYSRET (system call return instruction) [0f 07]

Patch by Sean Callanan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76528 91177308-0d34-0410-b5e6-96231b3b80d8

Add a testcase for PR2831.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76527 91177308-0d34-0410-b5e6-96231b3b80d8

Add a testcase for PR4569, which is now fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76526 91177308-0d34-0410-b5e6-96231b3b80d8

Add an svn:ignore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76525 91177308-0d34-0410-b5e6-96231b3b80d8

Make the range calculations for addrecs to be more conservative,
as they aren't currently prepared to handle complicated overflow
cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76524 91177308-0d34-0410-b5e6-96231b3b80d8

Whitespace cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76523 91177308-0d34-0410-b5e6-96231b3b80d8

Minor code simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76521 91177308-0d34-0410-b5e6-96231b3b80d8

Fix ARM isle code that optimize multiply by constants which are power-of-2 +/- 1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76520 91177308-0d34-0410-b5e6-96231b3b80d8

Cross RC coalescing is now on by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76519 91177308-0d34-0410-b5e6-96231b3b80d8

revert 76503 while I figure out what's going on

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76517 91177308-0d34-0410-b5e6-96231b3b80d8

Add a comment to clarify why there isn't any code in this spot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76505 91177308-0d34-0410-b5e6-96231b3b80d8

Remove the code that tried to evaluate whether (A pred B) is known
by determining if (B pred (B-A)) is known, as it doesn't handle
overflow correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76504 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure a global matching asm 'i' constraint gets its
flags set properly.  (hasMemory is clearly irrelevant
when matching 'i', I don't understand what this was
supposed to be doing.)
gcc.apple/asm-block-25.c (test passed before by
accident, but generated code was wrong)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76503 91177308-0d34-0410-b5e6-96231b3b80d8

Move stripping of bitcasts in inline asm arguments
to a place where it affects everything.  Occurs
only on calls AFAIK.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76502 91177308-0d34-0410-b5e6-96231b3b80d8

Minor code simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76496 91177308-0d34-0410-b5e6-96231b3b80d8

Documentation for the new non-overflow and exact keywords.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76495 91177308-0d34-0410-b5e6-96231b3b80d8

The upper argument of ConstantRange is exclusive, not inclusive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76492 91177308-0d34-0410-b5e6-96231b3b80d8

clean up some formatting, indent by 2 instead of 4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76490 91177308-0d34-0410-b5e6-96231b3b80d8

CMP and TST define CPSR, not use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76489 91177308-0d34-0410-b5e6-96231b3b80d8

Re-apply 75490, 75806 and 76177 with fixes and tests.  Efficiency comes
next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76486 91177308-0d34-0410-b5e6-96231b3b80d8

Forgot this test earlier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76485 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify the code in DarwinTargetAsmInfo::emitUsedDirectiveFor so that humans can understand it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76480 91177308-0d34-0410-b5e6-96231b3b80d8

Pass in the unfortunately named "LessPrivatePrefix" for the
"LinkerPrivatePrefix". It seems to have been used in only one place before I
started this "linker_private" business. I'm thinking that a rename is in
order...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76479 91177308-0d34-0410-b5e6-96231b3b80d8

Assembly and Bitcode support for unsigned/signed overflow flags and
exact sdiv flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76475 91177308-0d34-0410-b5e6-96231b3b80d8

Use TII->findCommutedOpIndices to find the commute operands (rather than guessing).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76472 91177308-0d34-0410-b5e6-96231b3b80d8

Change the casting of linkage types into a map. This makes this much more robust
as it no longer depends upon two different enums being kept in sync with each
other.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76465 91177308-0d34-0410-b5e6-96231b3b80d8

Clarify that OverflowingBinaryOperator is not used for SDiv, even though
SDiv is a binary operation that can overflow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76464 91177308-0d34-0410-b5e6-96231b3b80d8

Removed the DumpSymbolsandMacros and LoadSymbolsandMacros MCStreamer API as
the parsing of the .dump and .load should be done in the assembly parser and
not have any need for an MCStreamer API.  Changed the code for now so these
just produce an error saying these specific directives are not yet implemented
since they are likely no longer used and may never need to be implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76462 91177308-0d34-0410-b5e6-96231b3b80d8

Add MCAsmLexer interface.
 - This provides the AsmLexer interface to the target specific assembly parsers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76460 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some sub-reg coalescing bugs where the coalescer wasn't updating the resulting interval's register class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76458 91177308-0d34-0410-b5e6-96231b3b80d8

Remove FIXME that was already fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76457 91177308-0d34-0410-b5e6-96231b3b80d8

Rename Mangler linkage enums to something less gross.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76456 91177308-0d34-0410-b5e6-96231b3b80d8

Refactor metadata parsing routines into separate functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76455 91177308-0d34-0410-b5e6-96231b3b80d8

Add MCAsmParser interface.
 - This provides the AsmParser interface to the target specific assembly
   parsers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76453 91177308-0d34-0410-b5e6-96231b3b80d8

Build FileCheck from with CMake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76449 91177308-0d34-0410-b5e6-96231b3b80d8

Put new enum at end of list to avoid changing ABI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76447 91177308-0d34-0410-b5e6-96231b3b80d8

remove TargetAsmInfo::ExpandInlineAsm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76445 91177308-0d34-0410-b5e6-96231b3b80d8

use ExpandInlineAsm on TargetLowering instead of TargetAsmInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76442 91177308-0d34-0410-b5e6-96231b3b80d8

Copy ExpandInlineAsm to TargetLowering from TargetAsmInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76441 91177308-0d34-0410-b5e6-96231b3b80d8

Drop UDivOperator and introduce SDivOperator. Thanks to Chris
for noticing this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76440 91177308-0d34-0410-b5e6-96231b3b80d8

add some fixme's and cleanups.  TargetAsmInfo shouldn't depend on VMCore eventually.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76439 91177308-0d34-0410-b5e6-96231b3b80d8

Update this comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76438 91177308-0d34-0410-b5e6-96231b3b80d8

Revert the addition of hasNoPointerOverflow to GEPOperator.
Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.

Remove a few optimizations that depended on this flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76437 91177308-0d34-0410-b5e6-96231b3b80d8

remove dead forward decl

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76433 91177308-0d34-0410-b5e6-96231b3b80d8

For remote execution, must cd to the executable directory since the exe expects to find a dylib in the CWD ('.').

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76432 91177308-0d34-0410-b5e6-96231b3b80d8

rename TargetAsmInfo::getASDirective -> getDataASDirective

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76431 91177308-0d34-0410-b5e6-96231b3b80d8

Fix comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76427 91177308-0d34-0410-b5e6-96231b3b80d8

Hide the DOUT static variable behind a function interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76425 91177308-0d34-0410-b5e6-96231b3b80d8

Use t2LDRri12 for frame index loads.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76424 91177308-0d34-0410-b5e6-96231b3b80d8

xfail for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76423 91177308-0d34-0410-b5e6-96231b3b80d8

PR4591: Make sure to initialize the pass manager before using it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76422 91177308-0d34-0410-b5e6-96231b3b80d8

For PC relative relocations where symbols are defined in the same section they
are referenced, ignore the relocation entry and patch the relocatable field with
the computed symbol offset directly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76414 91177308-0d34-0410-b5e6-96231b3b80d8

Add -std-{compile,link}-opts to bugpoint.
 - Sheesh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76402 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR4567. Thumb1 target was using the wrong instruction to handle sp = sub fp, #c.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76401 91177308-0d34-0410-b5e6-96231b3b80d8

implement a new magic global "llvm.compiler.used" which is like llvm.used, but
doesn't cause ".no_dead_strip" to be emitted on darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8

Restore AsmWriterEmitter.cpp back to 74742. The recent changes broke Thumb.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76398 91177308-0d34-0410-b5e6-96231b3b80d8

use stripPointerCasts to simplify some code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76397 91177308-0d34-0410-b5e6-96231b3b80d8

document llvm.used and llvm.metadata.  Stub out llvm.global_[cd]tors

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76396 91177308-0d34-0410-b5e6-96231b3b80d8

Rename the index to linkage types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76394 91177308-0d34-0410-b5e6-96231b3b80d8

More reformatting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76393 91177308-0d34-0410-b5e6-96231b3b80d8

Fix HTML violations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76392 91177308-0d34-0410-b5e6-96231b3b80d8

Obsessivly reformat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76391 91177308-0d34-0410-b5e6-96231b3b80d8

Model fpscr to prevent fcmped / fcmpezs etc from being deleted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76390 91177308-0d34-0410-b5e6-96231b3b80d8

Add plumbing for the `linker_private' linkage type. This type is meant for
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.

This is plumbing, so we don't have a use of it yet. More to come, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76385 91177308-0d34-0410-b5e6-96231b3b80d8

CMake support for SystemZ.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76384 91177308-0d34-0410-b5e6-96231b3b80d8

Tweak svn:ignore

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76383 91177308-0d34-0410-b5e6-96231b3b80d8

This test should be run with -m32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76382 91177308-0d34-0410-b5e6-96231b3b80d8

fix test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76378 91177308-0d34-0410-b5e6-96231b3b80d8

DisambiguateGlobalSymbols should not mangle intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76377 91177308-0d34-0410-b5e6-96231b3b80d8

Don't override LowerArguments in the SPARC backend.  In addition to
being more consistent with other backends, this makes the SPARC backend
deal with functions with arguments with illegal types correctly, which
fixes some tests in test/CodeGen/Generic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76375 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a regression from 76124. Thumb1 instructions default to S bit being true.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76374 91177308-0d34-0410-b5e6-96231b3b80d8

Fix http://llvm.org/bugs/show_bug.cgi?id=4583

Inline asm instructions may have additional <imp-def,kill> register operands.
These operands are not marked with a flag like the normal asm operands, so we
must not assert that there is a flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76373 91177308-0d34-0410-b5e6-96231b3b80d8

Fix build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76366 91177308-0d34-0410-b5e6-96231b3b80d8

Fix: Kaleidoscope link in JIT and Interpreter by including JIT.h and Interpreter.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76363 91177308-0d34-0410-b5e6-96231b3b80d8

Fix ConstantRange::unionWith. Also make it work a little hard in some cases to
return the smallest union of two ranges instead of just any range that happens
to contain the union.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76360 91177308-0d34-0410-b5e6-96231b3b80d8

Remove redundant qualifiers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76357 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some minor MSVC compiler warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76356 91177308-0d34-0410-b5e6-96231b3b80d8

MSVC: Disable 4351, a completely useless warning: "warning: I'm not miscompiling
this". Um, ok, thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76355 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76354 91177308-0d34-0410-b5e6-96231b3b80d8

Switch Alpha over to the new call lowering style.  New code mostly
copied from the SystemZ target.  I don't think this causes any
significant changes to the output (I compared the assembly, and the
results appeared to be essentially unchanged), although I don't actually
have an Alpha to test on.

I would appreciate if anyone with the appropriate hardware could test
this. I'm not sure if that includes anyone subscribed to llvm-commits,
though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76353 91177308-0d34-0410-b5e6-96231b3b80d8

SystemZ *does* have a CodeGen/AsmPrinter split.
 - What it doesn't have is the rest of its cmake files...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76352 91177308-0d34-0410-b5e6-96231b3b80d8

Tweak cmake files for the four targets that don't split CodeGen out.
 - We should canonicalize this and get rid of the cmake and llvm-config hacks to
   support both variants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76350 91177308-0d34-0410-b5e6-96231b3b80d8

Add dependencies from TargetInfo onto .td generation.
 - Shouldn't really be necessary, but currently .inc files get included into
   some main target headers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76349 91177308-0d34-0410-b5e6-96231b3b80d8

Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76347 91177308-0d34-0410-b5e6-96231b3b80d8

Add some missing includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76346 91177308-0d34-0410-b5e6-96231b3b80d8

Canonicalize bitcasts between types like <1 x i64> and i64 to
insertelement/extractelement.

I'm not entirely sure this is precisely what we want to do: should we
prefer bitcast(insertelement) or insertelement(bitcast)?  Similarly. should we
prefer extractelement(bitcast) or bitcast(extractelement)?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76345 91177308-0d34-0410-b5e6-96231b3b80d8

Put Target definitions inside Target specific header, and llvm namespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76344 91177308-0d34-0410-b5e6-96231b3b80d8

fix some typos pointed out by Hidenobu Seki

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76342 91177308-0d34-0410-b5e6-96231b3b80d8