llvm-svn: 35825

* Add ParamAttrs to InvokeInst class too.
* Make sure all initializes of ParamAttrs in CallInst and InvokeInst are 0
* Destruct the ParamAttrs in Call/Invoke destructors to avoid memory
  leaks. This will change when ParamAttrsList is uniquified but needs to
  be correct until then.

llvm-svn: 35824

llvm-svn: 35823

llvm-svn: 35822

Handle Argument or Undef as an incoming PHI value.

llvm-svn: 35821

llvm-svn: 35820

llvm-svn: 35819

* Add ParamAttrList pointers to Function and CallInst.
* Move the implementation of ParamAttrList from Type.cpp to Function.cpp

llvm-svn: 35818

llvm-svn: 35817

1. Fix some bugs in the jump table lowering threshold
2. Implement much better metric for optimal pivot selection
3. Tune thresholds for different lowering methods
4. Implement shift-and trick for lowering small (<machine word
length) cases with few destinations. Good testcase will follow.

llvm-svn: 35816

llvm-svn: 35815

Adapt handling of parameter attributes to use the new ParamAttrsList class.

llvm-svn: 35814

llvm-svn: 35813

Adapt handling of parameter attributes to use ParamAttrsList class.

llvm-svn: 35812

Use ParamAttrsList for writing parameter attributes. Since they are sparse
now, we also write them sparsely (saves a few bytes). Unfortunately, this
is a bytecode file format change.

llvm-svn: 35811

Simplify construction of FunctionType to use default arguments.

llvm-svn: 35810

Parameter attributes can now be defaulted for intrinsics.

llvm-svn: 35809

Adjust writing of parameter attributes to use ParamAttrList class.

llvm-svn: 35808

llvm-svn: 35807

Move parameter attributes functionality to ParamAttrsList class.

llvm-svn: 35806

Remove the handling of ParameterAttributes from FunctionType as they are
their own object defined in ParameterAttributes.h now.

llvm-svn: 35805

getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint.  This allows us to let the llvm register allocator
allocate, which gives us better code.  For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:

_run_init_process:
        subl $4, %esp
        movl %ebx, (%esp)
        xorl %ebx, %ebx
        movl $11, %eax
        movl %ebx, %ecx
        movl %ebx, %edx
        # InlineAsm Start
        push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

Now we get:
_run_init_process:
        xorl %ecx, %ecx
        movl $11, %eax
        movl %ecx, %edx
        # InlineAsm Start
        push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

llvm-svn: 35804

used with x constraints.

llvm-svn: 35803

llvm-svn: 35802

llvm-svn: 35801

llvm-svn: 35800

llvm-svn: 35799

llvm-svn: 35798

llvm-svn: 35797

of an allocation instruction when writing to bytecode.

llvm-svn: 35796

llvm-svn: 35795

llvm-svn: 35794

small.  Since it doesn't cost much to have 2 more (8 bytes), but not having
them would require a malloc as soon as the third one is needed. Setting
the default to 4 delays the malloc until the 5th parameter attribute.

llvm-svn: 35793

llvm-svn: 35792

llvm-svn: 35791

llvm-svn: 35790

instructions which replace themselves when FI's are rewritten (common on ppc).
This fixes CodeGen/PowerPC/2006-10-17-ppc64-alloca.ll

llvm-svn: 35789

Transforms/InstCombine/vec_insertelt.ll and fixes PR1286.

We now compile the code from that bug into:

_foo:
        movl 4(%esp), %eax
        movdqa (%eax), %xmm0
        movl 8(%esp), %ecx
        psllw (%ecx), %xmm0
        movdqa %xmm0, (%eax)
        ret

instead of:

_foo:
        subl $4, %esp
        movl %ebp, (%esp)
        movl %esp, %ebp
        movl 12(%ebp), %eax
        movdqa (%eax), %xmm0
        #IMPLICIT_DEF %eax
        pinsrw $2, %eax, %xmm0
        xorl %ecx, %ecx
        pinsrw $3, %ecx, %xmm0
        pinsrw $4, %eax, %xmm0
        pinsrw $5, %ecx, %xmm0
        pinsrw $6, %eax, %xmm0
        pinsrw $7, %ecx, %xmm0
        movl 8(%ebp), %eax
        movdqa (%eax), %xmm1
        psllw %xmm0, %xmm1
        movdqa %xmm1, (%eax)
        movl %ebp, %esp
        popl %ebp
        ret

woo :)

llvm-svn: 35788

llvm-svn: 35787

isReachableFromEntry
test to ETForest to factor a common test out of code.

llvm-svn: 35786