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369 Commits

Author SHA1 Message Date
Jeff Cohen
91dd6d2d20 Fix VC++ compilation error 
llvm-svn: 19423
 2005-01-09 20:41:56 +00:00
Chris Lattner
fa06762d0e Print the DAG out more like a DAG in nested format. 
llvm-svn: 19422
 2005-01-09 20:38:33 +00:00
Chris Lattner
e3b9f22967 Print out nodes sorted by their address to make it easier to find them in a list. 
llvm-svn: 19421
 2005-01-09 20:26:36 +00:00
Chris Lattner
82caa0dc2e Add a simple transformation. This allows us to compile one of the inner 
loops in stepanov to this:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        cmpl $2000, %eax
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2

instead of this:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl data(,%eax,8)
        fldl 24(%esp)
        faddp %st(1)
        fstl 24(%esp)
        incl %eax
        movl $data, %ecx
        movl %ecx, %edx
        addl $16000, %edx
        subl %ecx, %edx
        movl %edx, %ecx
        sarl $2, %ecx
        shrl $29, %ecx
        addl %ecx, %edx
        sarl $3, %edx
        cmpl %edx, %eax
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2

The old instruction selector produced:

.LBB_Z5test0PdS__2:     # no_exit.1
        fldl 24(%esp)
        faddl data(,%eax,8)
        fstl 24(%esp)
        movl %eax, %ecx
        incl %ecx
        incl %eax
        leal data+16000, %edx
        movl $data, %edi
        subl %edi, %edx
        movl %edx, %edi
        sarl $2, %edi
        shrl $29, %edi
        addl %edi, %edx
        sarl $3, %edx
        cmpl %edx, %ecx
        fstpl 16(%esp)
        #FP_REG_KILL
        jl .LBB_Z5test0PdS__2   # no_exit.1

Which is even worse!

llvm-svn: 19419
 2005-01-09 20:09:57 +00:00
Chris Lattner
fd84495692 Add support for FP->INT conversions and back. 
llvm-svn: 19369
 2005-01-08 08:08:56 +00:00
Chris Lattner
e32ab4bd47 1ULL << 64 is undefined, don't do it. 
llvm-svn: 19365
 2005-01-08 06:24:30 +00:00
Chris Lattner
717236fcd3 Fix a pointer invalidation problem. This fixes Generic/badarg6.ll 
llvm-svn: 19361
 2005-01-07 23:32:00 +00:00
Chris Lattner
53173ba1d1 Fold conditional branches on constants away. 
llvm-svn: 19360
 2005-01-07 22:49:57 +00:00
Chris Lattner
8f55fae569 Fix a thinko in the reassociation code, fixing Generic/badlive.ll 
llvm-svn: 19359
 2005-01-07 22:44:09 +00:00
Chris Lattner
191554c09f Simplify: truncate ({zero|sign}_extend (X)) 
llvm-svn: 19353
 2005-01-07 21:56:24 +00:00
Chris Lattner
16faa6501a Implement RemoveDeadNodes 
llvm-svn: 19345
 2005-01-07 21:09:16 +00:00
Chris Lattner
c72669973a Complete rewrite of the SelectionDAG class. 
llvm-svn: 19327
 2005-01-07 07:46:32 +00:00
Reid Spencer
50ec3f9325 Add #include <iostream> since Value.h does not #include it any more. 
llvm-svn: 14622
 2004-07-04 12:19:56 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
7d6b37af05 Finegrainify namespacification 
llvm-svn: 13948
 2004-06-02 04:28:06 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
d76432ee48 Add a bunch of new node types, etc 
llvm-svn: 7875
 2003-08-15 04:53:16 +00:00
Chris Lattner
45414456b3 Initial checkin of SelectionDAG implementation. This is still rough and 
unfinished

llvm-svn: 7717
 2003-08-11 14:57:33 +00:00