The adc/sbb optimization is to able to convert following expression
into a single adc/sbb instruction:
  (ult) ... = x + 1 // where the ult is unsigned-less-than comparison
  (ult) ... = x - 1

  This change is to flip the "x >u y" (i.e. ugt comparison) in order 
to expose the adc/sbb opportunity.

llvm-svn: 167180

llvm-svn: 167179

Thanks Ted.

llvm-svn: 167176

llvm-svn: 167175

llvm-svn: 167174

matching works correctly.
Part of rdar://12329974

llvm-svn: 167173

The stat cache became essentially useless ever since we started
validating all file entries in the PCH.
But the motivating reason for removing it now is that it also affected
correctness in this situation:

-You have a header without include guards (using "#pragma once" or #import)
-When creating the PCH:
  -The same header is referenced in an #include with different filename cases.
  -In the PCH, of course, we record only one file entry for the header file
  -But we cache in the PCH file the stat info for both filename cases

-Then the source files are updated and the header file is updated in a way that
 its size and modification time are the same but its inode changes

-When using the PCH:
  -We validate the headers, we check that header file and we create a file entry with its current inode
  -There's another #include with a filename with different case than the previously created file entry
  -In order to get its stat info we go through the cached stat info of the PCH and we receive the old inode
  -because of the different inodes, we think they are different files so we go ahead and include its contents.

Removing the stat cache will potentially break clients that are attempting to use the stat cache
as a way of avoiding having the actual input files available. If that use case is important, patches are welcome
to bring it back in a way that will actually work correctly (i.e., emit a PCH that is self-contained, coping with
literal strings, line/column computations, etc.).

This fixes rdar://5502805

llvm-svn: 167172

llvm-svn: 167171

llvm-svn: 167170

llvm-svn: 167168

Carlo Kok found an issue where default parameters were causing the wrong argument to be passed. I got rid of the default args so we don't run into this.

llvm-svn: 167167

cl is not attempting to complete a templated class when used in this
context. The conversion forces this to happen.

Thanks to Richard Smith for figuring this out.

llvm-svn: 167166

llvm-svn: 167165

llvm-svn: 167164

[clang tests] Added require ppc64-registered-target to Headers/altivec-header.c to ensure it only runs on ppc64.

llvm-svn: 167162

that matching works correctly.
Part of rdar://12329974

llvm-svn: 167161

Patch for issue found by Carlo Kok. Fixed a type issue where an ';' was incorrectly following an if statement. There actually isn't a need for the if statement, so it was removed.

llvm-svn: 167160

According to the spec, we can backfill VFP registers that were skipped due
to alignment constraints.

llvm-svn: 167159

-target option.
rdar://10692880

llvm-svn: 167158

llvm-svn: 167157

I will remove it from llvm in the next commit.

llvm-svn: 167156

Summary:
-ast-dump-filter implementation used to stop AST traversal after traversing a NULL Decl node.

Added test and fixed.

Reviewers: djasper, klimek, rsmith

Reviewed By: djasper

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D93

llvm-svn: 167155

re-materialization of immediate loads.

llvm-svn: 167153

diagnostics script.

This addresses the FIXME pertaining to quoted arguments.  We also delineate
between those flags that have an argument (e.g., -D macro, -MF file) and
those that do not (e.g., -M, -MM, -MG).  Finally, we add the -dwarf-debug-flags
to the list of flags to be removed.
rdar://12329974

llvm-svn: 167152

llvm-svn: 167148

MCJIT unit test: add calls to ensure that instruction caches are properly invalidated before code execution.

llvm-svn: 167146

llvm-svn: 167145

llvm-svn: 167144

test/CodeGenCXX/member-alignment.cpp.  The test succeeds for
powerpc64-unknown-linux-gnu.  If other flavors of powerpc are
shown by buildbots to still be broken, we can adjust the test
at that time.

llvm-svn: 167143

without using tentative parsing.

llvm-svn: 167142

add a test to make sure code-completion skips bodies.

llvm-svn: 167141

We no longer have a tail duplication pass that runs on LLVM IR. It was removed
in 3.0.

llvm-svn: 167140

mips16.

llvm-svn: 167139

Previously, every call to a ConstraintManager's isNull would do a full
assumeDual to test feasibility. Now, ConstraintManagers can override
checkNull if they have a cheaper way to do the same thing.
RangeConstraintManager can do this in less than half the work.

<rdar://problem/12608209>

llvm-svn: 167138

llvm-svn: 167137

- Use value handle tricks to communicate use replacements instead of forgetLoop, this is a lot faster.
- Move the "big hammer" out of the main loop so it's not called for every instruction.

This should recover most (if not all) compile time regressions introduced by this code.

llvm-svn: 167136

llvm-svn: 167134

These tests were all failing since the old JIT doesn't work
for PowerPC (any more), and there are no plans to attempt to
fix it again (instead, work focuses on MCJIT).

llvm-svn: 167133

SimplifyCFG will have removed those cases for us.

llvm-svn: 167132

llvm-svn: 167131