after the DIE creation, we construct the context first.

Ensure that we create the context before we create a type so that we can add
the newly created type to the parent. Remove last use of addToContextOwner
now that it's not needed.

We use createAndAddDIE to wrap around "new DIE(". Now all shareable DIEs
should be added to their parents right after the creation.

Reviewed off-list by Eric, Thanks.

llvm-svn: 193657

Helper functions are added:
emitPostLd: emit a post-increment load operation with given size.
emitPostSt: emit a post-increment store operation with given size.

No functionality change.

llvm-svn: 193656

llvm-svn: 193655

Patch by Qin Zhao.

llvm-svn: 193654

This modifies the pass to classify every SSP-triggering AllocaInst according to
an SSPLayoutKind (LargeArray, SmallArray, AddrOf).  This analysis is collected
by the pass and made available for use, but no other pass uses it yet.

The next patch will make use of this analysis in PEI and StackSlot
passes.  The end goal is to support ssp-strong stack layout rules.

WIP.

Differential Revision: http://llvm-reviews.chandlerc.com/D1789

llvm-svn: 193653

When constructing a scop sometimes the exact representation of a statement or
condition would be very complex, but there is a common case which is a lot
simpler, but which is only valid under certain assumptions. The assumed context
records the assumptions taken during the construction of this scop and that need
to be code generated as a run-time test.

At the moment, we do not yet model any assumptions, but only added the
AssumedContext as well as the isl-ast generation support. As a next step,
this needs to be hooked up with the isl code generation.

if (1) /* run-time condition */
  {  /* optimized code */ }
else
  {  /* original code */ }

llvm-svn: 193652

llvm-svn: 193651

Use 32-bit types for the array instead of 64. This should
generally be better anyway.

In optimized + assert builds, I saw a failure when a
cond code / type combination that is never set was loading
a non-zero value and hitting the != Promote assert.

It turns out when loading the 64-bit value to do the shift,
the assembly loads the 2 32-bit halves from non-consecutive
addresses. The address the second half of the loaded uint64_t
doesn't include the offset of the array in the struct. Instead
of being offset + 4, it's just + 4.

I'm not entirely sure why this wasn't observed before.
setCondCodeAction isn't heavily used by the in-tree targets,
and not with the higher valued vector SimpleValueTypes. Only
PPC is using one of the > 32 valued types, and that is probably
never used by anyone on a 32-bit MSVC compiled host.

I ran into this when upgrading LLVM versions, so I guess the
value loaded from the nonsense address happened to work out
before.

No test since I'm not really sure if / how it can be reproduced
with the current in tree targets, and it's not supposed to change
anything.

llvm-svn: 193650

Removing a switch statement that contains only a default label.  This resolves an MSVC warning.  No functional change intended.

llvm-svn: 193649

llvm-svn: 193648

llvm-svn: 193647

llvm-svn: 193646

llvm-svn: 193645

We'll need to intercept a few function in libm.

llvm-svn: 193644

Add macro MSANDR_STANDALONE_TEST for standalone test without msan executables.

Patch by Qin Zhao.

llvm-svn: 193643

Patch by Jeff Muizelaar.

llvm-svn: 193642

llvm-svn: 193641

llvm-svn: 193640

llvm-svn: 193639

the previous argument's ending address to compute the type of the padding
argument.

No intended functionality change.

llvm-svn: 193638

llvm-svn: 193637

at the end of handleTargetFeatures.

No intended functionality change.

llvm-svn: 193636

llvm-svn: 193635

llvm-svn: 193634

llvm-svn: 193633

llvm-svn: 193632

Fixing an issue in yesterday's dynamic type changes where we would not craft a valid SBType given debug information
Added a test case to help us detect regression in this realm

llvm-svn: 193631

This allows constructing a Mangler with just a TargetMachine.

llvm-svn: 193630

Add a tag before the name attribute for readability. Use CHECK-NEXT
instead of CHECK-NOT followed by a CHECK. Add new lines to separate checking
of different DIEs.

llvm-svn: 193629

llvm-svn: 193628

llvm-svn: 193627

llvm-svn: 193626

Fixes PR17690

llvm-svn: 193625

llvm-svn: 193624

llvm-svn: 193623

llvm-svn: 193622

v2:
  - Fix LDS size calculation

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
llvm-svn: 193621

llvm-svn: 193620

Based on D2050 by Timur Iskhodzhanov.

llvm-svn: 193619

llvm-svn: 193618