llvm-svn: 14892

has been eliminated

llvm-svn: 14891

* Print out IMPLICIT_DEFS as comments in the assembly, patch by Nate Begeman

llvm-svn: 14890

llvm-svn: 14888

llvm-svn: 14885

Add IMPLICIT_USE and IMPLICIT_DEF, a la X86.

llvm-svn: 14884

llvm-svn: 14883

llvm-svn: 14882

llvm-svn: 14881

Support single-fp incoming args.
Support single-fp outgoing args ('call' operands).
Support double-fp return values.

llvm-svn: 14880

llvm-svn: 14877

llvm-svn: 14875

llvm-svn: 14874

llvm-svn: 14873

llvm-svn: 14872

llvm-svn: 14871

llvm-svn: 14870

llvm-svn: 14867

llvm-svn: 14866

llvm-svn: 14865

llvm-svn: 14864

Speed up SCCP substantially by processing overdefined values quickly.  This
patch speeds up SCCP by about 30-40% on large testcases.

llvm-svn: 14861

This version takes about 1s longer than the previous one (down to 2.35s),
but on the positive side, it actually works :)

llvm-svn: 14856

llvm-svn: 14854

llvm-svn: 14853

This eliminates an N*N*logN algorithm from the loop simplify pass, replacing
it with a much simpler and faster alternative.  In a debug build, this reduces
gccas time on eon from 85s to 42s.

llvm-svn: 14851

llvm-svn: 14848

llvm-svn: 14847

llvm-svn: 14845

llvm-svn: 14844

llvm-svn: 14843

llvm-svn: 14842

llvm-svn: 14841

llvm-svn: 14840

llvm-svn: 14839

llvm-svn: 14838

null, uint 1) to uint)' to a constant integer.  We can only do this with
primitive LLVM types, because other types have target-specific sizes.

llvm-svn: 14837

malloc lowering.  This means that lowerallocations doesn't need targetdata
anymore.  yaay.

llvm-svn: 14835

this LLVM function:

int %foo() {
        ret int cast (int** getelementptr (int** null, int 1) to int)
}

into:

foo:
        mov %EAX, 0
        lea %EAX, DWORD PTR [%EAX + 4]
        ret

now we compile it into:

foo:
        mov %EAX, 4
        ret

This sequence is frequently generated by the MSIL front-end, and soon the malloc lowering pass and
Java front-ends as well..

-Chris

llvm-svn: 14834

that is made unnecessary by it.

llvm-svn: 14831