llvm-svn: 131927

llvm-svn: 131922

in MipsFunctionInfo that are no longer used.

llvm-svn: 131917

The following improvements are accomplished as a result of applying this patch:
- Fixed frame objects' offsets (relative to either the virtual frame pointer or
  the stack pointer) are set before instruction selection is completed. There is
  no need to wait until Prologue/Epilogue Insertion is run to set them.
- Calculation of final offsets of fixed frame objects is straightforward. It is
  no longer necessary to assign negative offsets to fixed objects for incoming
  arguments in order to distinguish them from the others.
- Since a fixed object has its relative offset set during instruction
  selection, there is no need to conservatively set its alignment to 4.
- It is no longer necessary to reorder non-fixed frame objects in 
  MipsFrameLowering::adjustMipsStackFrame.

llvm-svn: 131915

llvm-svn: 131785

llvm-svn: 131784

preparation for reversing StackDirection.

Fixed objects are created in the following order:  
 1. Incoming arguments passed on stack.
 2. va_arg objects (include both arguments that are passed in registers and
    pointer to the location of the first va_arg argument).
 3. $gp restore slot.
 4. Outgoing arguments passed on stack.
 5. Pointer to alloca'd space.

llvm-svn: 131767

passed in register or on the stack.

llvm-svn: 131758

llvm-svn: 131752

saving and restoring them.

llvm-svn: 131745

llvm-svn: 131724

Fix bug in which nodes that write to argument registers do not get glued with the JALR node. Patch by Sasa Stankovic

llvm-svn: 131714

llvm-svn: 131711

This is the first of a series of patches that attempt to simplify handling of 
stack frame objects. 

llvm-svn: 131710

llvm-svn: 131668

llvm-svn: 131660

llvm-svn: 131657

llvm-svn: 131642

llvm-svn: 131233

Patch by Liu <proljc@gmail.com>!

llvm-svn: 131086

2. Remove unused function.
3. Correct indentation.

llvm-svn: 131028

llvm-svn: 131012

llvm-svn: 130850

Prevent instructions using $gp from being placed between a jalr and the instruction that restores the clobbered $gp.

llvm-svn: 130847

llvm-svn: 130774

llvm-svn: 130131

llvm-svn: 130120

llvm-svn: 129612

llvm-svn: 129608

Fix lines that have incorrect indentation or exceed 80 columns. There is no change in functionality.

llvm-svn: 129606

llvm-svn: 129601

Add pass that expands pseudo instructions into target instructions after register allocation. Define pseudos that get expanded into mtc1 or mfc1 instructions.

llvm-svn: 129594

Luis Felipe Strano Moraes!

llvm-svn: 129558

llvm-svn: 129105

llvm-svn: 129104

llvm-svn: 129099

Move transformation of JmpLink and related nodes done during instruction selection to Legalize phase.

llvm-svn: 128830

llvm-svn: 128751

llvm-svn: 128750

Remove redundant code. There are assignments to variables Base and Offset right after the code that is removed.

llvm-svn: 128742