implement support for CHECK-NEXT: in filecheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79123 91177308-0d34-0410-b5e6-96231b3b80d8

Refine EarlyClobber assert in register scavenger.

It is legal for an inline asm operand to use an earlyclobber register if the
use operand is tied to the earlyclobber operand. The issue is discussed here:

  http://gcc.gnu.org/ml/gcc/1999-04n/msg00431.html

We should perhaps let only the machine code verifier worry about these finer
details. EarlyClobber operands are not really interesting to the scavenger.

This fixes PR4528 for the third time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79122 91177308-0d34-0410-b5e6-96231b3b80d8

simplify some code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79121 91177308-0d34-0410-b5e6-96231b3b80d8

rewrite FindStringInBuffer to use an explicit loop instead of
trying to wrap strstr which is just too inconvenient.  Make it
use a StringRef to avoid ".c_str()" calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79120 91177308-0d34-0410-b5e6-96231b3b80d8

Instead of using an std::pair, use a custom struct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79119 91177308-0d34-0410-b5e6-96231b3b80d8

specify a target triple so global variable manglings are consistent etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79118 91177308-0d34-0410-b5e6-96231b3b80d8

convert to filecheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79117 91177308-0d34-0410-b5e6-96231b3b80d8

rename this test to sse2.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79116 91177308-0d34-0410-b5e6-96231b3b80d8

merge a bunch more sse3 tests into sse3.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79115 91177308-0d34-0410-b5e6-96231b3b80d8

convert test to filecheck format.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79114 91177308-0d34-0410-b5e6-96231b3b80d8

rename test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79113 91177308-0d34-0410-b5e6-96231b3b80d8

this is a test for sse3, simplify it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79112 91177308-0d34-0410-b5e6-96231b3b80d8

the .eh_frame sections we generate need to be writable (which
is why they are datarel).  This should fix PR4724, and is fallout
from r78890.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79111 91177308-0d34-0410-b5e6-96231b3b80d8

document filecheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79110 91177308-0d34-0410-b5e6-96231b3b80d8

fix pasto noticed by Jakub

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79109 91177308-0d34-0410-b5e6-96231b3b80d8

Use the new API for creating an OpaqueType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79107 91177308-0d34-0410-b5e6-96231b3b80d8

add a stub for futher description of filecheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79106 91177308-0d34-0410-b5e6-96231b3b80d8

add a simple FileCheck man page.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79105 91177308-0d34-0410-b5e6-96231b3b80d8

tidy up

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79101 91177308-0d34-0410-b5e6-96231b3b80d8

Update cpp generation with new LLVM API for primitive types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79098 91177308-0d34-0410-b5e6-96231b3b80d8

Revert a few changes that were done in 78603.
PIC16DebugInfo currently rely on NameStr of composite type descriptors to uniquely
identify debug info for two aggregate type decls with same name.
This implementation will change when we have MDNodes based debug info implemenatation in place

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79097 91177308-0d34-0410-b5e6-96231b3b80d8

Don't setCalleeSavedInfoValid() until spills are interted.

In a naked function, the flag is never set and getPristineRegs() returns an
empty list. That means naked functions are able to clobber callee saved
registers, but that is the whole point of naked functions.

This fixes PR4716.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79096 91177308-0d34-0410-b5e6-96231b3b80d8

Allow double defs in the machine code verifier after the addPreRegAlloc passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79095 91177308-0d34-0410-b5e6-96231b3b80d8

Move XCore AsmPrinter to XCore/AsmPrinter directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79094 91177308-0d34-0410-b5e6-96231b3b80d8

Add XFAIL testcase for setcc undef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79093 91177308-0d34-0410-b5e6-96231b3b80d8

Add XFAIL test case for a scavenger assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79092 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for the PowerPC 64-bit SVR4 ABI.

The Link Register is volatile when using the 32-bit SVR4 ABI.
Make it possible to use the 64-bit SVR4 ABI.
Add non-volatile registers for the 64-bit SVR4 ABI.
Make sure r2 is a reserved register when using the 64-bit SVR4 ABI.
Update PPCFrameInfo for the 64-bit SVR4 ABI.
Add FIXME for 64-bit Darwin PPC.
Insert NOP instruction after direct function calls.
Emit official procedure descriptors.
Create TOC entries for GlobalAddress references.
Spill 64-bit non-volatile registers to the correct slots.
Only custom lower VAARG when using the 32-bit SVR4 ABI.
Use simple VASTART lowering for the 64-bit SVR4 ABI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79091 91177308-0d34-0410-b5e6-96231b3b80d8

Update LocalRewriter::DistanceMap when inserting stack loads.

In the included test case, a stack load was not included in DistanceMap. That
caused TransferDeadness to ignore the instruction, leading to a scavenger
assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79090 91177308-0d34-0410-b5e6-96231b3b80d8

Reformatting and some cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79088 91177308-0d34-0410-b5e6-96231b3b80d8

80 col violations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79087 91177308-0d34-0410-b5e6-96231b3b80d8

Fix tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79086 91177308-0d34-0410-b5e6-96231b3b80d8

Turn on if-conversion for thumb2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79084 91177308-0d34-0410-b5e6-96231b3b80d8

update for rename.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79082 91177308-0d34-0410-b5e6-96231b3b80d8

rename PIC16Section.h -> MCSectionPIC16.h for consistency with
the class it defines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79081 91177308-0d34-0410-b5e6-96231b3b80d8

cmake likes its explicit list of files to build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79080 91177308-0d34-0410-b5e6-96231b3b80d8

use XCore-specific section with xcore specific cp/dp flags to restore
support for globals going into the appropriate sections with the flags.

This hopefully finishes unbreaking the previous behavior that I broke before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79079 91177308-0d34-0410-b5e6-96231b3b80d8

If ELF subtargets don't want to support 4/8/16-byte mergable sections, allow
them to null out the default section pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79078 91177308-0d34-0410-b5e6-96231b3b80d8

add support for target-specific ELF section flags, add a new MCSectionXCore
class which represents the XCore cp/dp section flags.  No functionality
change yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79077 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify a few more things, eliminating a few more dependencies on
"the current basic block".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79069 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify this code to not depend as much on CurMBB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79068 91177308-0d34-0410-b5e6-96231b3b80d8

Do not use frame register to reference fixed stack objects if the function is frameless.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79067 91177308-0d34-0410-b5e6-96231b3b80d8

Always check to see if raw_fd_ostream's file descriptor is attached to
a terminal, not just when it's STDOUT_FILENO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79066 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for column computation on unbuffered streams.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79065 91177308-0d34-0410-b5e6-96231b3b80d8

Move FormattedStream's write_impl out of line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79064 91177308-0d34-0410-b5e6-96231b3b80d8

Remove an unnecessary #include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79063 91177308-0d34-0410-b5e6-96231b3b80d8

switch DominanceFrontier::splitBlock to use a smallvector for
the pred list instead of a vector, saving a boat load of malloc/free's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79062 91177308-0d34-0410-b5e6-96231b3b80d8

On x86-64, for a varargs function, don't store the xmm registers to
the register save area if %al is 0. This avoids touching xmm
regsiters when they aren't actually used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79061 91177308-0d34-0410-b5e6-96231b3b80d8

Do not completely skip subrange info for a zero sized array.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79044 91177308-0d34-0410-b5e6-96231b3b80d8

Leaf functions which do not save CSRs can be frameless even with -disable-fp-elim.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79039 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Updated library dependence info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79038 91177308-0d34-0410-b5e6-96231b3b80d8

Add sse4.2 string/text processing intrinsics. We'll select these later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79037 91177308-0d34-0410-b5e6-96231b3b80d8

Whitespace cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79036 91177308-0d34-0410-b5e6-96231b3b80d8

Allow targets to specify their choice of calling conventions per
libcall. Take advantage of this in the ARM backend to rectify broken
choice of CC when hard float is in effect. PIC16 may want to see if
it could be of use in MakePIC16Libcall, which works unchanged.

Patch by Sandeep!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79033 91177308-0d34-0410-b5e6-96231b3b80d8

Add Thumb2 lsr hooks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79032 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mc: Fix bugs where bytes were unintentionally being printed as signed.
 - We now print all of 403.gcc cleanly (llvm-mc -> 'as' as diffed to 'as'), minus two
   'rep;movsl' instructions (which I missed before).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79031 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Corrected variable check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79030 91177308-0d34-0410-b5e6-96231b3b80d8

*try* to use a better name to describe how common symbols are marked on the elf object file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79029 91177308-0d34-0410-b5e6-96231b3b80d8

Add doxygen comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79027 91177308-0d34-0410-b5e6-96231b3b80d8

80 col violation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79026 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mc: When handling a .set, make sure to print subsequent references to the
symbol as the symbol name itself, not the expression it was defined to. These
have different semantics due to the quirky .set behavior (which absolutizes an
expression that would otherwise be treated as a relocation).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79025 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanup the mess in msp430 target registration and hopefully unbreak the build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79024 91177308-0d34-0410-b5e6-96231b3b80d8

Revert r78424.

In order for the changes in r78424 to work properly, cast_retty<X,Y> should return an object instead of a reference, and it's not clear that this approach has real advantages.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79023 91177308-0d34-0410-b5e6-96231b3b80d8

Indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79022 91177308-0d34-0410-b5e6-96231b3b80d8

Force reconfigure

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79019 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mc: zerofill shouldn't print quotes around the section,segment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79017 91177308-0d34-0410-b5e6-96231b3b80d8

fix "pc" to be lower case in a target triple, patch by Yonggang Luo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79016 91177308-0d34-0410-b5e6-96231b3b80d8

Hopefully unbreak cmake builds

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79015 91177308-0d34-0410-b5e6-96231b3b80d8

Also shrink immediate branches; also more assembler workarounds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79014 91177308-0d34-0410-b5e6-96231b3b80d8

Give MSP430 a separate asmprinter lib

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79012 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mc: Support escaped characters in string literals (for .ascii and .asciz)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79010 91177308-0d34-0410-b5e6-96231b3b80d8

Properly handle indirect win64 args when they're passed in memory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79009 91177308-0d34-0410-b5e6-96231b3b80d8

Get the CPP backend into some semblance of working by updating for numerous LLVMContext changes,
as well as the StringRef change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79006 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Automatic regeneration of the library dependencies file.

It doesn't stop or reconfigure the build, though, so the user will see
a broken build that magically succeeds at the next attempt. It is
technically possible to halt the build with a helpful message, and
even to automatically restart the build using the new dependencies as
it we did when llvm-config was used by cmake for learning
dependencies. This is left on the TODO list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79004 91177308-0d34-0410-b5e6-96231b3b80d8

Take another shot at disabling this when no ppc support is available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79003 91177308-0d34-0410-b5e6-96231b3b80d8

A couple IRBuilder functions were still using getGlobalContext().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78997 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Builds main LLVM Target library before its sublibraries. This
way we ensure that tablegenned files exist before they are #include'd
by the LLVM Target sublibraries. Required for parallel builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78996 91177308-0d34-0410-b5e6-96231b3b80d8

Now that all the legal Neon shuffles (or at least the ones that have been
implemented so far) are recognized during legalization, it is easy to fall
back to the default expansion for other shuffles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78995 91177308-0d34-0410-b5e6-96231b3b80d8

Create a new ARM-specific DAG node, VDUP, to represent a splat from a
scalar_to_vector.  Generate these VDUP nodes during legalization instead
of trying to recognize the pattern during selection.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78994 91177308-0d34-0410-b5e6-96231b3b80d8

During legalization, change Neon vdup_lane operations from shuffles to
target-specific VDUPLANE nodes.  This allows the subreg handling for the
quad-register version to be done easily with Pats in the .td file, instead
of with custom code in ARMISelDAGToDAG.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78993 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Corrected indentation on a block of code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78992 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Use LLVM_COMMON_DEPENDS on add_llvm_executable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78990 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: propagate to the parent scope LLVM_COMMON_DEPENDS. This is
necessary for the changes being effective on the successive targets

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78989 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: updated list of source files for library MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78988 91177308-0d34-0410-b5e6-96231b3b80d8

Update llvm-mc / MCAsmStreamer to print the instruction using the actual target
specific printer (this only works on x86, for now).
 - This makes it possible to do some correctness checking of the parsing and
   matching, since we can compare the results of 'as' on the original input, to
   those of 'as' on the output from llvm-mc.

 - In theory, we could now have an easy ATT -> Intel syntax converter. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78986 91177308-0d34-0410-b5e6-96231b3b80d8

Add virtual printMCInst method to AsmPrinter, as a quick way to expose the API
to print one instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78985 91177308-0d34-0410-b5e6-96231b3b80d8

Add X86 instruction printer support for printing MCValue operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78984 91177308-0d34-0410-b5e6-96231b3b80d8

Add MCSymbol::{print, dump}

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78983 91177308-0d34-0410-b5e6-96231b3b80d8

Add MCValue::{print, dump}

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78982 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mc: Move MCAsmToken::getLoc() into MC library where it belongs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78980 91177308-0d34-0410-b5e6-96231b3b80d8

Indentation change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78978 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: updated library dependencies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78976 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: build llvm-config before the other tools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78975 91177308-0d34-0410-b5e6-96231b3b80d8

Shrink ADR and LDR from constantpool late during constantpool island pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78970 91177308-0d34-0410-b5e6-96231b3b80d8

Add helpers for fetching basic types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78969 91177308-0d34-0410-b5e6-96231b3b80d8

New entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78968 91177308-0d34-0410-b5e6-96231b3b80d8

Make TargetData optional in GlobalOpt and ArgumentPromotion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78967 91177308-0d34-0410-b5e6-96231b3b80d8

Make these matching rules more strict so that they don't
accidentally match unrelated things.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78966 91177308-0d34-0410-b5e6-96231b3b80d8

Expose LLVMContext to llvm-c.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78964 91177308-0d34-0410-b5e6-96231b3b80d8

Fix MCSectionELF::ShouldOmitSectionDirective's matching of .data and
friends so that it doesn't match sections like .data.rel.local, which
should not be emitted as section directives.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78963 91177308-0d34-0410-b5e6-96231b3b80d8

TargetRegistry: Change AsmPrinter constructor to be typed as returning an
AsmPrinter instance (instead of just a FunctionPass)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78962 91177308-0d34-0410-b5e6-96231b3b80d8