llvm-svn: 2643

-- passing FP arguments to functions with more than 6 arguments
-- passing FP arguments to varargs functions
-- passing FP arguments to functions with no prototypes
-- incorrect coloring for CC registers (both int and FP): interferences
   were being completely ignored for int CC and were considered but no
   spills were marked for fp CC!

Also some code improvements:
-- better interface to generating machine instr for common cases
   (many places still need to be updated to use this interface)
-- annotations on MachineInstr to communicate information from
   one codegen phase to another (now used to pass information about
   CALL/JMPLCALL operands from selection to register allocation)
-- all sizes and offests in class TargetData are uint64_t instead of uint

llvm-svn: 2642

Make all sizes and offsets uint64_t instead of uint.
Fixed GetIndexedOffset to handle mixed array and struct indices.

llvm-svn: 2641

-- correct sign extensions for integer casts and for shift-by-constant
   instructions generated for integer multiply
-- passing FP arguments to functions with more than 6 arguments
-- passing FP arguments to varargs functions
-- passing FP arguments to functions with no prototypes
-- incorrect stack frame size when padding a section
-- folding getelementptr operations with mixed array and struct indexes
-- use uint64_t instead of uint for constant offsets in mem operands
-- incorrect coloring for CC registers (both int and FP): interferences
   were being completely ignored for int CC and were considered but no
   spills were marked for fp CC!

Also some code improvements:
-- better interface to generating machine instr for common cases
   (many places still need to be updated to use this interface)
-- annotations on MachineInstr to communicate information from
   one codegen phase to another (now used to pass information about
   CALL/JMPLCALL operands from selection to register allocation)
-- all sizes and offests in class TargetData are uint64_t instead of uint

llvm-svn: 2640

which global variables would have name collisions if they were not mangled,
and use this info to mangle them iff they would collide.

llvm-svn: 2639

llvm-svn: 2638

* Add optimization to rank computation to not recursively search when
  unneccesary.
* More agressively negate expressions to open reassociation opportunities.
* Linearize (A+B)+(C+D) into ((A+B)+C)+D

llvm-svn: 2637

llvm-svn: 2636

llvm-svn: 2635

llvm-svn: 2634

llvm-svn: 2633

llvm-svn: 2632

llvm-svn: 2631

llvm-svn: 2630

By making sure to consider binary expressions identical if their operands
are backwards, but swappable.

llvm-svn: 2629

llvm-svn: 2628

llvm-svn: 2627

llvm-svn: 2626

llvm-svn: 2625

often happens for the entry basic block of a function)

llvm-svn: 2624

"This testcase caused instcombine to fail because it got the same instruction on
it's worklist more than once (which is ok), but then deleted the instruction.
Since the inst stayed on the worklist, as soon as it came back up to be
processed, bad things happened, and opt asserted."

llvm-svn: 2623

llvm-svn: 2622

be put either before or after a load.  We chose to cast the value loaded
instead of the pointer to load from.

Fixes bug: test/Regression/Transforms/LevelRaise/2002-05-10-LoadPeephole.ll

llvm-svn: 2621

llvm-svn: 2620

llvm-svn: 2619

llvm-svn: 2618

llvm-svn: 2617

llvm-svn: 2616

llvm-svn: 2615

llvm-svn: 2614

llvm-svn: 2613

llvm-svn: 2612

llvm-svn: 2611

llvm-svn: 2610

llvm-svn: 2609

llvm-svn: 2608

llvm-svn: 2607

un#ifdef it.

llvm-svn: 2606

llvm-svn: 2605

not return.

llvm-svn: 2604