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768 Commits

Author SHA1 Message Date
Chris Lattner
ea946cdb1b Print the DAG out more like a DAG in nested format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19422 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:38:33 +00:00
Chris Lattner
49d24716a4 Print out nodes sorted by their address to make it easier to find them in a list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19421 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:26:36 +00:00
Chris Lattner
abd2182875 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19419 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-09 20:09:57 +00:00
Chris Lattner
ae0aacb833 Add support for FP->INT conversions and back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19369 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 08:08:56 +00:00
Chris Lattner
623f70dd4c 1ULL << 64 is undefined, don't do it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19365 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-08 06:24:30 +00:00
Chris Lattner
7c68ec6b70 Fix a pointer invalidation problem. This fixes Generic/badarg6.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19361 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 23:32:00 +00:00
Chris Lattner
5351e9b172 Fold conditional branches on constants away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19360 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:49:57 +00:00
Chris Lattner
4287d5e355 Fix a thinko in the reassociation code, fixing Generic/badlive.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19359 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 22:44:09 +00:00
Chris Lattner
fd8c39b773 Simplify: truncate ({zero|sign}_extend (X)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19353 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:56:24 +00:00
Chris Lattner
0e12e6e041 Implement RemoveDeadNodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19345 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 21:09:16 +00:00
Chris Lattner
c3aae25116 Complete rewrite of the SelectionDAG class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19327 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-07 07:46:32 +00:00
Reid Spencer
954da37bb4 Add #include <iostream> since Value.h does not #include it any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 12:19:56 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Chris Lattner
e25738cab6 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13948 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 04:28:06 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
7dc97ff180 Add a bunch of new node types, etc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7875 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-15 04:53:16 +00:00
Chris Lattner
78ec311bd5 Initial checkin of SelectionDAG implementation. This is still rough and 
unfinished


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7717 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-11 14:57:33 +00:00