If we had a store of an integer to memory, and the integer and store size
were suitable for a form of MV..., we used MV... no matter what.  We could
then have sequences like:

    lay %r2, 0(%r3,%r4)
    mvi 0(%r2), 4

In these cases it seems better to force the constant into a register
and use a normal store:

    lhi %r2, 4
    stc %r2, 0(%r3, %r4)

since %r2 is more likely to be hoisted and is easier to rematerialize.

llvm-svn: 189098

...so that it can be used for z too.  Most of the code is the same.
The only real change is to use TargetTransformInfo to test when a sqrt
instruction is available.

The pass is opt-in because at the moment it only handles sqrt.

llvm-svn: 189097

I'd forgotten that "Requires" blocks override rather than add to the
constraints, so my pseudo-instruction was being selected in Thumb mode leading
to nonsense instructions.

rdar://problem/14817358

llvm-svn: 189096

llvm-svn: 189095

Before, this was causing errors.

Also exit early in breakProtrudingToken() (before the expensive call to
SourceManager::getSpellingColumnNumber()). This makes formatting huge
(100k+-item) braced lists possible.

llvm-svn: 189094

llvm-svn: 189093

llvm-svn: 189092

llvm-svn: 189091

Summary:
Instead of digging through the ExplodedGraph, to figure out which edge brought
us here, I compute the value of conditional expression by looking at the
sub-expression values.

To do this, I needed to change the liveness algorithm a bit -- now, the full
conditional expression also depends on all atomic sub-expressions, not only the
outermost ones.

Reviewers: jordan_rose

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1340

llvm-svn: 189090

Summary:
This is a part of D1164. DWARFCompileUnit is not that lightweight
to copy it around, and we want it to own corresponding .dwo compile unit
eventually.

Reviewers: echristo

Reviewed By: echristo

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1298

llvm-svn: 189089

llvm-svn: 189088

Summary:
There were two things known to be wrong with our implementation of MSVC
mode template arguments:

- We didn't properly handle __uuidof/CXXUuidofExpr and skipped all type
  checking completely.
- We didn't allow for MSVC's extension of allowing certain constant
  "foldable" expressions from showing up in template arguments.
  They allow various casts dereference and address-of operations.
  We can make it more general as we find further peculiarities but this
  is the known extent.

Reviewers: rsmith, doug.gregor, rjmccall

Reviewed By: doug.gregor

CC: cfe-commits, rnk

Differential Revision: http://llvm-reviews.chandlerc.com/D1444

llvm-svn: 189087

lto/CMakeLists.txt: Cut the dep to intrinsics_gen. LTO doesn't depend on it and LTO_static doesn't depend on anything.

llvm-svn: 189086

llvm-svn: 189085

This field specifies registers that are preserved across function calls,
but that should not be included in the generates SaveList array.

This can be used ot generate regmasks for architectures that save
registers through other means, like SPARC's register windows.

llvm-svn: 189084

about a declaration within a return type.

llvm-svn: 189083

llvm-svn: 189082

 - Workaround for ocamlopt producing outputs adjacent to its source inputs, by
   having the tests copy the inputs into temporary directories in the output
   paths before building.

 - Patch by edward-san.

llvm-svn: 189081

live beyont parsing.  This is important because
all the ClangASTImporter::Minions for a parser's
ASTContext are cleared when ClangExpressionDeclMap
is deleted.

This resolves many hard-to-reproduce crashes,
especially ones involving breakpoint conditions.

<rdar://problem/14775391>

llvm-svn: 189080

llvm-svn: 189079

Update StripDeadDebugInfo to use DebugInfoFinder so that it is no longer stale to the point of not working and more resilient to debug info changes.

The current version of StripDeadDebugInfo became stale and no longer actually
worked since it was expecting an older version of debug info.

This patch updates it to use DebugInfoFinder and the modern DebugInfo classes as
much as possible to make it more redundent to such changes. Additionally, the
only place where that was avoided (the code where we replace the old sets with
the new), I call verify on the DIContextUnit implying that if the format changes
and my live set changes no longer make sense an assert will be hit. In order to
ensure that that occurs I have included a test case.

The actual stripping of the dead debug info follows the same strategy as was
used before in this class: find the live set and replace the old set in the
given compile unit (which may contain dead global variables/functions) with the
new live one.

llvm-svn: 189078

llvm-svn: 189077

[stack protector] Work around an issue with the BMOVPCB_CALL instruction on ARM by disabling does not return on __stack_chk_fail.

This is to fix the bots while I look to see if there is something I can do here.

rdar://14811848

llvm-svn: 189076

This was only used to ensure that the traversal order was the same as the
insertion order, but that guarantee was already being provided by the use
of a FoldingSetVector.

llvm-svn: 189075

methods in the ABIs.  Specify the register numbering of the UnwindPlan
we're creating and use those only register numbers.

llvm-svn: 189074

16-byte alignment of stack frames.

llvm-svn: 189073

audited types.

llvm-svn: 189072

code size.

llvm-svn: 189070

llvm-svn: 189069

llvm-svn: 189068

llvm-svn: 189066

llvm-svn: 189065

llvm-svn: 189064

llvm-svn: 189063

llvm-svn: 189062

llvm-svn: 189061

llvm-svn: 189060

Patch by chris.wailes@gmail.com.  The following functionality was added:

* The same functionality is now supported for both CXXOperatorCallExprs and CXXMemberCallExprs.
* Factored out some code in StmtVisitor.
* Removed variables from the state map when their destructors are encountered.
* Started adding documentation for the consumed analysis attributes.

llvm-svn: 189059

llvm-svn: 189058

This fixes a crash in Unigine Tropics.

https://bugs.freedesktop.org/show_bug.cgi?id=68389

llvm-svn: 189057