Use eraseFromParent() instead of doing that manually in two places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51770 91177308-0d34-0410-b5e6-96231b3b80d8

Let Instruction::getOpcodeName() return something useful for the new
insertvalue / extractvalue instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51766 91177308-0d34-0410-b5e6-96231b3b80d8

Add the "AsCheapAsAMove" flag to some 64-bit xor instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51761 91177308-0d34-0410-b5e6-96231b3b80d8

Add a --save-temps option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51760 91177308-0d34-0410-b5e6-96231b3b80d8

Add a check for side effect-free options (specified only in the OptionList).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51759 91177308-0d34-0410-b5e6-96231b3b80d8

Documentation update.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51758 91177308-0d34-0410-b5e6-96231b3b80d8

Refactoring: remove code duplication introduced in the previous patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51757 91177308-0d34-0410-b5e6-96231b3b80d8

Refactoring: split CollectProperties into two separate function objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51756 91177308-0d34-0410-b5e6-96231b3b80d8

Show argv[0] in error messages (like gcc).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51755 91177308-0d34-0410-b5e6-96231b3b80d8

New feature: OptionList.

It can be handy to have all information about options gathered in a single place
to provide an overview of all supported options. This patch allows the following:

def Options : OptionList<[
(switch_option "E", (help "Help string")),
(alias_option "quiet", "q")
...
]>;

Tool-specific option properties (like 'append_cmd') have (obviously) no meaning in
this context, so the only properties that are allowed are 'help' and 'required'.

See usage example in examples/Clang.td.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51754 91177308-0d34-0410-b5e6-96231b3b80d8

Documentation update.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51753 91177308-0d34-0410-b5e6-96231b3b80d8

A small optimization: use static char* array instead of StrVector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51752 91177308-0d34-0410-b5e6-96231b3b80d8

Make it possible to test if the '-o' option is provided.

The following is now allowed:

    (case (not_empty "o"), do_something, ...)

This didn't work previously because "-o" is built-in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51751 91177308-0d34-0410-b5e6-96231b3b80d8

Fix: 'sink' handling was broken.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51750 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for option aliases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51749 91177308-0d34-0410-b5e6-96231b3b80d8

Allow nesting of case expressions.

The following is now legal:

    (case (in_language "c"),
          (case (switch_on "E"), "gcc -x c -E $INFILE", (default), "gcc -x c $INFILE"),
          (default),
          "gcc $INFILE $OUTFILE")

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51748 91177308-0d34-0410-b5e6-96231b3b80d8

Small error message improvement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51747 91177308-0d34-0410-b5e6-96231b3b80d8

Remove RequireDefault parameter from EmitCaseConstructHandler.

There are now no situations when 'default' is required.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51746 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some headers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51745 91177308-0d34-0410-b5e6-96231b3b80d8

New tests for the 'case' expression: not_empty, in_language.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51744 91177308-0d34-0410-b5e6-96231b3b80d8

-E should print to stdout.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51743 91177308-0d34-0410-b5e6-96231b3b80d8

Make it possible to have multiple input languages for a single tool.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51742 91177308-0d34-0410-b5e6-96231b3b80d8

Rename StringVector to StrVector (to be consistent with LLVMCConfigurationEmitter.cpp).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51741 91177308-0d34-0410-b5e6-96231b3b80d8

Minor error message fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51740 91177308-0d34-0410-b5e6-96231b3b80d8

Documentation and examples improvements

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51739 91177308-0d34-0410-b5e6-96231b3b80d8

Better error reporting for the 'case' construct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51738 91177308-0d34-0410-b5e6-96231b3b80d8

Do not generate empty 'if's for the output_suffix property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51737 91177308-0d34-0410-b5e6-96231b3b80d8

Update documentation, add examples.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51736 91177308-0d34-0410-b5e6-96231b3b80d8

Rename LLVMC-Tutorial.rst to LLVMC-Reference.rst

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51735 91177308-0d34-0410-b5e6-96231b3b80d8

Make it possible to use hooks like this: '$CALL(MyHook)/path/to/file'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51734 91177308-0d34-0410-b5e6-96231b3b80d8

Make it possible to change the output file suffix based on command-line options.

For instance, the following command:

    llvmc2 -E hello.c

now generates a file with the correct suffix (hello.i).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51733 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for user-provided hooks and environment variable reads to the cmd_line tool property.

Used like this: (cmd_line "$CALL(MyHook) --option -o $ENV(VARIABLE) $CALL(AnotherHook)")
Also works with case expressions.

Hook declarations are auto-generated, the definitions should be provided by the user
(just drop a .cpp file in the tools/llvmc2 directory).

Hooks should live in the "hooks" namespace and have type std::string hooks::Hook(void).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51732 91177308-0d34-0410-b5e6-96231b3b80d8

Enable the response file ('llvmc @file') support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51731 91177308-0d34-0410-b5e6-96231b3b80d8

Update the code to the fact that StringSet now lives in llvm/ADT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51730 91177308-0d34-0410-b5e6-96231b3b80d8

Some small tweaks to make the generated code prettier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51729 91177308-0d34-0410-b5e6-96231b3b80d8

Make it possible to use the generalised 'case' construct in the cmd_line property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51728 91177308-0d34-0410-b5e6-96231b3b80d8

Add a generalised 'case' construct.

Besides assigning edge weights, it will also be used by the cmd_line tool property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51727 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak this test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51726 91177308-0d34-0410-b5e6-96231b3b80d8

remove the StripSymbolsPass.  This should not be done by default in libLTO.dylib.  The linker will remove the symbol names if needed after LTO is done

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51722 91177308-0d34-0410-b5e6-96231b3b80d8

Remove an unused variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51721 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an error in the comment for APInt::getMinSignedBits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51720 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo in a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51718 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a copy+paste error in a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51717 91177308-0d34-0410-b5e6-96231b3b80d8

Fix doxygen comment syntax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51716 91177308-0d34-0410-b5e6-96231b3b80d8

Make the renumbering correct in the face of deleted instructions that have been removed from the LiveIntervals maps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51714 91177308-0d34-0410-b5e6-96231b3b80d8

add doxygen comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51712 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51709 91177308-0d34-0410-b5e6-96231b3b80d8

Remove guard, so *each* inclusion will result in a warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51708 91177308-0d34-0410-b5e6-96231b3b80d8

Add patterns for CALL32m and CALL64m. They aren't matched in most
cases due to an isel deficiency already noted in
lib/Target/X86/README.txt, but they can be matched in this fold-call.ll
testcase, for example.

This is interesting mainly because it exposes a tricky tblgen bug;
tblgen was incorrectly computing the starting index for variable_ops
in the case of a complex pattern.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51706 91177308-0d34-0410-b5e6-96231b3b80d8

Remove more iostream header includes. Needed to implement a "FlushStream"
function to flush a specified std::ostream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51705 91177308-0d34-0410-b5e6-96231b3b80d8

Remove <iostream>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51704 91177308-0d34-0410-b5e6-96231b3b80d8

Add newline at end of file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51701 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a tblgen problem handling variable_ops in tblgen instruction
definitions. This adds a new construct, "discard", for indicating
that a named node in the input matching pattern is to be discarded,
instead of corresponding to a node in the output pattern. This
allows tblgen to know where the arguments for the varaible_ops are
supposed to begin.

This fixes "rdar://5791600", whatever that is ;-).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51699 91177308-0d34-0410-b5e6-96231b3b80d8

const-ify getOpcode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51698 91177308-0d34-0410-b5e6-96231b3b80d8

Prune and tidy #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51697 91177308-0d34-0410-b5e6-96231b3b80d8

Expand small memmovs using inline code. Set the X86 threshold for expanding
memmove to a more plausible value, now that it's actually being used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51696 91177308-0d34-0410-b5e6-96231b3b80d8

For PR1338: Rename test dirs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51695 91177308-0d34-0410-b5e6-96231b3b80d8

Revert part of my last patch that I didn't intend to commit yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51694 91177308-0d34-0410-b5e6-96231b3b80d8

Add file with warning for backward comptibility. Should be removed after 2.4

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51693 91177308-0d34-0410-b5e6-96231b3b80d8

Update guards

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51692 91177308-0d34-0410-b5e6-96231b3b80d8

Renumbering needs to account for instruction slot offsets when performing lookups in the index maps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51691 91177308-0d34-0410-b5e6-96231b3b80d8

Regenerate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51688 91177308-0d34-0410-b5e6-96231b3b80d8

For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51687 91177308-0d34-0410-b5e6-96231b3b80d8

Force postdom to be linked into opt and bugpoint, even though it is no longer used by any passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51686 91177308-0d34-0410-b5e6-96231b3b80d8

Move these tests into the proper directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51685 91177308-0d34-0410-b5e6-96231b3b80d8

Add a newline at the end of this file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51680 91177308-0d34-0410-b5e6-96231b3b80d8

Re-enable the newly simplified ADCE.  This fixes a regression on
Dhrystone introduced by its removal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51669 91177308-0d34-0410-b5e6-96231b3b80d8

Replace the old ADCE implementation with a new one that more simply solves
the one case that ADCE catches that normal DCE doesn't: non-induction variable
loop computations.

This implementation handles this problem without using postdominators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51668 91177308-0d34-0410-b5e6-96231b3b80d8

Implement vector shift up / down and insert zero with ps{rl}lq / ps{rl}ldq.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51667 91177308-0d34-0410-b5e6-96231b3b80d8

Remove debugging code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51666 91177308-0d34-0410-b5e6-96231b3b80d8

Add nounwind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51665 91177308-0d34-0410-b5e6-96231b3b80d8

XOR?RI instructions aren't as cheap as moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51664 91177308-0d34-0410-b5e6-96231b3b80d8

convert more operand loops to iterator formulation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51663 91177308-0d34-0410-b5e6-96231b3b80d8

Implement "AsCheapAsAMove" for some obviously cheap instructions: xor and the
like.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51662 91177308-0d34-0410-b5e6-96231b3b80d8

convert another operand loop to iterator formulation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51661 91177308-0d34-0410-b5e6-96231b3b80d8

Add a flag to indicate that an instruction is as cheap (or cheaper) than a move
instruction to execute. This can be used for transformations (like two-address
conversion) to remat an instruction instead of generating a "move"
instruction. The idea is to decrease the live ranges and register pressure and
all that jazz.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51660 91177308-0d34-0410-b5e6-96231b3b80d8

Check the "isSafeToMove" predicate, which has a series of tests to make sure
that it's safe to remat an instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51659 91177308-0d34-0410-b5e6-96231b3b80d8

Remap VNInfo data as well when doing renumbering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51658 91177308-0d34-0410-b5e6-96231b3b80d8

Factor the numbering computation into a separate method, and add the slightest attempt at some renumbering logic, which is currently unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51652 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR2289: vr defined by multiple implicit_def as result of coalescing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51648 91177308-0d34-0410-b5e6-96231b3b80d8

Teach local register allocator to deal with landing pad MBB's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51647 91177308-0d34-0410-b5e6-96231b3b80d8

Update some comments noticed in a recent checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51644 91177308-0d34-0410-b5e6-96231b3b80d8

Update text to point people at the right version of the tutorial for
their release.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51638 91177308-0d34-0410-b5e6-96231b3b80d8

Implement PR2370: memmove(x,x,size) -> noop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51636 91177308-0d34-0410-b5e6-96231b3b80d8

Add chain inputs for loads.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51635 91177308-0d34-0410-b5e6-96231b3b80d8

Fix CodeGen/Generic/2005-10-21-longlonggtu.ll on ia64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51634 91177308-0d34-0410-b5e6-96231b3b80d8

loads should get chains.  THis helps but does not solve CodeGen/Generic/2003-05-27-phifcmpd.ll
on ia64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51633 91177308-0d34-0410-b5e6-96231b3b80d8

Fix 2006-04-28-Sign-extend-bool.ll  for ia64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51632 91177308-0d34-0410-b5e6-96231b3b80d8

reindent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51631 91177308-0d34-0410-b5e6-96231b3b80d8

Fix the encoding for two more "rm" instructions that were using MRMSrcReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51630 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed X86 encoding error CVTPS2PD and CVTPD2PS when the source operand
is a memory location

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51626 91177308-0d34-0410-b5e6-96231b3b80d8

Don't attempt to create VZEXT_LOAD out of an extload.  This an issue where the
code generator would do something like this:

f64 = load f32 <anyext>, f32mem
v2f64 = insertelt undef, %0, 0
v2f64 = insertelt %1, 0.0, 1

into

v2f64 = vzext_load f32mem

which on x86 is movsd, when you really wanted a cvtss2sd/movsd pair.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51624 91177308-0d34-0410-b5e6-96231b3b80d8

use space insted of tabs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51623 91177308-0d34-0410-b5e6-96231b3b80d8

fix infinite recursion if a global's initializer references the global

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51617 91177308-0d34-0410-b5e6-96231b3b80d8

Make Use::init() private, it breaks invariants, clients should assign or use set().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51615 91177308-0d34-0410-b5e6-96231b3b80d8

Use Function::getEntryBlock instead of Function::begin, for clarity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51613 91177308-0d34-0410-b5e6-96231b3b80d8

Print debug output when any edge becomes executable, including
the first visited edge.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51612 91177308-0d34-0410-b5e6-96231b3b80d8

Add instcombine after global optimizations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51611 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a word-o and add an explicit keyword.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51610 91177308-0d34-0410-b5e6-96231b3b80d8

Incorporated feedback: Check that the implicitly defined operands aren't used
before deleting the instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51609 91177308-0d34-0410-b5e6-96231b3b80d8