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968 Commits

Author SHA1 Message Date
Chris Lattner
e6f7882c27 Print the DAG out more like a DAG in nested format. 
llvm-svn: 19422
 2005-01-09 20:38:33 +00:00
Chris Lattner
1270acc1ce 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
3d5d5022d5 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
2a6db3c351 Add support for FP->INT conversions and back. 
llvm-svn: 19369
 2005-01-08 08:08:56 +00:00
Chris Lattner
9a97e4d5b6 1ULL << 64 is undefined, don't do it. 
llvm-svn: 19365
 2005-01-08 06:24:30 +00:00
Chris Lattner
e0f1fe181a Fix a pointer invalidation problem. This fixes Generic/badarg6.ll 
llvm-svn: 19361
 2005-01-07 23:32:00 +00:00
Chris Lattner
5c66e45b92 Fold conditional branches on constants away. 
llvm-svn: 19360
 2005-01-07 22:49:57 +00:00
Chris Lattner
cda3efa6e5 Fix a thinko in the reassociation code, fixing Generic/badlive.ll 
llvm-svn: 19359
 2005-01-07 22:44:09 +00:00
Chris Lattner
4d5ba99283 Simplify: truncate ({zero|sign}_extend (X)) 
llvm-svn: 19353
 2005-01-07 21:56:24 +00:00
Chris Lattner
9c667933c1 Implement RemoveDeadNodes 
llvm-svn: 19345
 2005-01-07 21:09:16 +00:00
Chris Lattner
061a1ea9e3 Complete rewrite of the SelectionDAG class. 
llvm-svn: 19327
 2005-01-07 07:46:32 +00:00
Reid Spencer
eb04d9bcb4 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
6b7275996c Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
560b5e42ab Finegrainify namespacification 
llvm-svn: 13948
 2004-06-02 04:28:06 +00:00
Brian Gaeke
960707c335 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
482202a601 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
e81de41edf Add a bunch of new node types, etc 
llvm-svn: 7875
 2003-08-15 04:53:16 +00:00
Chris Lattner
600d308853 Initial checkin of SelectionDAG implementation. This is still rough and 
unfinished

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