llvm-svn: 121652

MBlaze delay slot filler was not capable of using ADDK and variants to fill delay slots. This broke several test cases when 121649 was committed. This fixes the regression.

llvm-svn: 121650

The ADD and ADDK (and all variants) instructions where flip-flopped in the MBlaze backend. This bug fix makes 64-bit math work on the MBlaze backend.

llvm-svn: 121649

Thanks Peter for pointing me to something that should have never been
committed to the llvm code base.

llvm-svn: 121648

2. Make sure that the MBlaze stack is aligned to 4-byte boundaries.
3. Determine frame indexes that should be placed in the callers stack frame, as per the MBlaze ABI, and place them in the correct locations.

llvm-svn: 121639

catch this here rather than later after accessing uninitialized memory
etc.  Fires when compiling the testcase in PR8237.

llvm-svn: 121635

(x & 2^n) ? 2^m+C : C

we can offset both arms by C to get the "(x & 2^n) ? 2^m : 0" form, optimize the
select to a shift and apply the offset afterwards.

llvm-svn: 121609

to catch cases where n != m with a shift.

llvm-svn: 121608

llvm-svn: 121606

llvm-svn: 121604

llvm-svn: 121599

llvm-svn: 121598

Fix build breakage.

llvm-svn: 121596

lib/CodeGen/RegAllocGreedy.cpp:233: error: unused variable 'TRC' [-Wunused-variable]

llvm-svn: 121594

llvm-svn: 121593

Soon, RegAllocGreedy will start splitting live ranges, and then deferred
spilling won't work anyway.

llvm-svn: 121591

The spiller should only spill. The register allocator will drive live range
splitting, it has the needed information about register pressure and
interferences.

llvm-svn: 121590

llvm-svn: 121588

llvm-svn: 121587

declared. Add a note specifying this and spruce up the list a bit.

llvm-svn: 121586

llvm-svn: 121585

llvm-svn: 121584

llvm-svn: 121583

llvm-svn: 121582

llvm-svn: 121581

llvm-svn: 121580

llvm-svn: 121579

llvm-svn: 121573

llvm-svn: 121525

llvm-svn: 121524

just assign to it.

llvm-svn: 121523

llvm-svn: 121522

llvm-svn: 121521

llvm-svn: 121520

interference check.

llvm-svn: 121519

llvm-svn: 121518

llvm-svn: 121514

llvm-svn: 121513

llvm-svn: 121512

llvm-svn: 121508