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217 Commits

Author SHA1 Message Date
Chris Lattner
620c93cca1 fix PHI node emission for basic blocks that have select_cc's in them on ppc32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23113 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-27 00:58:02 +00:00
Chris Lattner
025c39bf36 Call the InsertAtEndOfBasicBlock hook if the usesCustomDAGSchedInserter 
flag is set on an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23098 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 20:54:47 +00:00
Chris Lattner
5839bf2b3b Change ConstantPoolSDNode to actually hold the Constant itself instead of 
putting it into the constant pool.  This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23081 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 17:15:30 +00:00
Chris Lattner
376d54f9b6 Add support for flag operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23050 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 17:48:54 +00:00
Chris Lattner
14b392af1d Add support for external symbols, and support for variable arity instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23022 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:02:41 +00:00
Chris Lattner
23553cfb4a Add a fast-path for register values. Add support for constant pool entries, 
allowing us to compile this:

float %test2(float* %P) {
        %Q = load float* %P
        %R = add float %Q, 10.1
        ret float %R
}

to this:

_test2:
        lfs r2, 0(r3)
        lis r3, ha16(.CPI_test2_0)
        lfs r3, lo16(.CPI_test2_0)(r3)
        fadds f1, r2, r3
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22962 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 01:04:32 +00:00
Chris Lattner
81e72b13d7 Add support for frame index nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22956 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 19:56:04 +00:00
Chris Lattner
f85ab15acf Add support for basic blocks, fix a bug in result # computation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22948 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 18:49:29 +00:00
Chris Lattner
fe0c2c8721 fix bogus warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22943 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-20 18:07:27 +00:00
Chris Lattner
9b78db7f16 Add support for global address nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22940 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 22:38:24 +00:00
Chris Lattner
7ef330478f Implement CopyFromReg, TokenFactor, and fix a bug in CopyToReg. This allows 
us to compile stuff like this:

double %test(double %A, double %B, double %C, double %E) {
        %F = mul double %A, %A
        %G = add double %F, %B
        %H = sub double -0.0, %G
        %I = mul double %H, %C
        %J = add double %I, %E
        ret double %J
}

to:

_test:
        fnmadd f0, f1, f1, f2
        fmadd f1, f0, f3, f4
        blr

woot!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22937 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 21:43:53 +00:00
Chris Lattner
0189197608 Before implementing copyfromreg, we'll implement copytoreg correctly. 
This gets us this for the previous testcase:

_test:
        lis r2, 0
        ori r3, r2, 65535
        blr

Note that we actually write to r3 (the return reg) correctly now :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22933 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:50:53 +00:00
Chris Lattner
4ccd406317 Now that we have operand info for machine instructions, use it to create 
temporary registers for things that define a register.  This allows dag->dag
isel to compile this:

int %test() { ret int 65535 }

into:

_test:
        lis r2, 0
        ori r2, r2, 65535
        blr

Next up, getting CopyFromReg to work, allowing arguments and cross-bb values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22932 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:45:43 +00:00
Chris Lattner
ca6aa2f70c Fix computation of # operands, add a temporary hack for CopyToReg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22896 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:01:34 +00:00
Chris Lattner
068ca15d5e add a new -view-sched-dags option to view dags as they are sent to the scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22878 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 20:11:49 +00:00
Chris Lattner
2d973e45b8 Implement the first chunk of a code emitter. This is sophisticated enough to 
codegen:

_empty:
.LBB_empty_0:   ;
        blr

but can't do anything more (yet). :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22876 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 20:07:59 +00:00
Chris Lattner
d32b23690d new file, obviously just a stub 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22868 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:45:24 +00:00