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Author SHA1 Message Date
Jim Laskey
45a8036df0 Remove Support/Search.h entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23047 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 16:44:13 +00:00
Jim Laskey
6600fa2d17 Recommended to use std::algorithms instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23046 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 16:21:56 +00:00
Jim Laskey
2d48b13eef Added Support/Search.h to project. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23045 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 13:42:04 +00:00
Jim Laskey
ab6c0a923f Added support for generic linear/binary search. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23044 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 13:32:25 +00:00
Chris Lattner
4e27d3a10c Fix a problem Duraid noticed, where we weren't removing values from the kills 
list when doing two-address and phi node lowering during register allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23043 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:45:31 +00:00
Chris Lattner
34e17052a7 Implement support for taking the address of constant pool indices, which 
is used by the int -> FP code among other things.  This gets
2005-05-12-Int64ToFP past that failure, to dying on lack of support for add_parts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23042 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:04:11 +00:00
Chris Lattner
4025a9c2cc ADd support for TargetConstantPool nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23041 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:03:06 +00:00
Chris Lattner
aaaaf79d4a Add support for TargetConstantPool node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23040 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:02:41 +00:00
Reid Spencer
ca739c685b For PR614: 
Move the implementation of the fix from Makefile.rules to Makefile. This
ensures that it is only checked on a top-level rebuild, and not in every
single subdirectory. This removes some annoying messages from the build and
numerous executions of config.status if the .in file changes but not
substantively enough to cause the .h file to be modified by config.status.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23039 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 04:59:49 +00:00
Chris Lattner
2fe76e58eb Add support for FP constants, fixing UnitTests/2004-02-02-NegativeZero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23038 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 04:47:18 +00:00
Reid Spencer
6f5f8b380a Don't attempt to update LLVM configured header files from a build in a 
project. Thanks to Chris for pointing out this deficiency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23037 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 04:44:18 +00:00
Chris Lattner
e28e40a273 Fully implement frame index, so that we can pass the address of alloca's 
around to functions and stuff


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23036 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:45:43 +00:00
Chris Lattner
afb2dd43de add a new TargetFrameIndex node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23035 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:43:01 +00:00
Chris Lattner
89532c7db0 implement unconditional branches, fixing UnitTests/2003-05-02-DependentPHI.c 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23034 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:29:58 +00:00
Chris Lattner
fdf8366ecc LFS/STFS load and store FP values, not integer ones. This change allows us 
to codegen this: float foo() { return 1.245; }

into this:

_foo:
        lis r2, ha16(.CPI_foo_0)
        lfs f1, lo16(.CPI_foo_0)(r2)
        blr

instead of this:

_foo:
        lis r2, ha16(.CPI_foo_0)
        lfs r2, lo16(.CPI_foo_0)(r2)   <-- ouch
        or f1, r2, r2                  <-- ouch
        blr

with the dag isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23033 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:26:22 +00:00
Chris Lattner
ed7956bfe4 Fix a broken assertion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23032 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:19:12 +00:00
Chris Lattner
7cad4f2089 Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23031 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:05:15 +00:00
Chris Lattner
4a20997057 fix a warning in optimized build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23030 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:03:21 +00:00
Chris Lattner
e0a7f83049 Fix some warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23029 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:00:26 +00:00
Chris Lattner
2b54400f08 Split IMPLICIT_DEF into IMPLICIT_DEF_GPR and IMPLICIT_DEF_FP, so that the 
instructions take a consistent reg class.  Implement ISD::UNDEF in the dag->dag
selector to generate this, fixing UnitTests/2003-07-06-IntOverflow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23028 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 23:08:16 +00:00
Chris Lattner
7651fa4a7e add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23027 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 23:00:29 +00:00
Chris Lattner
fb0c964364 implement support for calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23026 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:45:17 +00:00
Chris Lattner
7b2880c4cd Add ReplaceAllUsesWith that can take a vector of replacement values. 
Add some foldings to hopefully help the illegal setcc issue, and move some code around.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23025 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:44:39 +00:00
Chris Lattner
420089c47c add two new methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23024 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:43:53 +00:00
Chris Lattner
86fac6b00a Remove some dead cases. 
Emit the indcall sequence as:

mtctr inreg
mr R12, inreg
btctr

If inreg and R12 aren't coallesced, this reduces the odds of having the mtctr
and btctr in the same dispatch group.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23023 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:21:47 +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
e39db07713 Fix pasto that prevented VT ndoes from showing up in -view-isel-dags correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23021 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 18:30:00 +00:00
Chris Lattner
a3c4454c5f add an idea 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23020 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 18:15:24 +00:00
Chris Lattner
ac83b0301e Fix Regression/Transforms/Reassociate/2005-08-24-Crash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23019 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 17:55:32 +00:00
Chris Lattner
fa48be79ae new testcase that crashes -reassociate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23018 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 17:54:56 +00:00
Chris Lattner
53249865ec Transform floor((double)FLT) -> (double)floorf(FLT), implementing 
Regression/Transforms/SimplifyLibCalls/floor.ll.  This triggers 19 times in
177.mesa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23017 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 17:22:17 +00:00
Chris Lattner
890226dd34 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23016 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 17:20:30 +00:00
Chris Lattner
ab466d769a floor/ceil don't read/write memory. This allows gcse to eliminate 6 calls 
in mesa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23015 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:58:56 +00:00
Chris Lattner
135a0428a8 Make sure this doesn't break when we're improving the isels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23014 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:48:49 +00:00
Chris Lattner
1d6373c1af teach selection dag mask tracking about the fact that select_cc operates like 
select.  Also teach it that the bit count instructions can only set the low bits
of the result, depending on the size of the input.

This allows us to compile this:

int %eq0(int %a) {
        %tmp.1 = seteq int %a, 0                ; <bool> [#uses=1]
        %tmp.2 = cast bool %tmp.1 to int                ; <int> [#uses=1]
        ret int %tmp.2
}

To this:

_eq0:
        cntlzw r2, r3
        srwi r3, r2, 5
        blr

instead of this:

_eq0:
        cntlzw r2, r3
        rlwinm r3, r2, 27, 31, 31
        blr

when setcc is marked illegal on ppc (which restores parity to non-illegal
setcc).  Thanks to Nate for pointing this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23013 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:46:55 +00:00
Chris Lattner
c9c60f6429 Start using isOperationLegal and isTypeLegal to simplify the code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23012 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:35:28 +00:00
Chris Lattner
de6a4bc058 rename hasNativeSupportFor* -> is(Operation|Type)Legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23011 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:34:59 +00:00
Chris Lattner
9ed62c16f2 Adjust to new interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23010 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:34:12 +00:00
Misha Brukman
9e7a601eaf Wrap long lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23009 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 14:03:07 +00:00
Reid Spencer
ca09bd0732 Remove some tabs. 
Wrap a line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23008 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:57:30 +00:00
Reid Spencer
0ced4fbcd7 Whoops, don't use PROJ variables, these are all LLVM headers. This allows 
projects to compile properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23007 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:55:07 +00:00
Reid Spencer
755bcf086d For PR619: 
Make any header files that are automatically generated be preconditions of
the compilation. This ensures that if a *.h.in file is changed then its
corresponding *.h file gets updated on the next rebuild. Note that this can
lead to confusing (but correct) results if the *.h.in file changed
unsubstantially so that autoheader doesn't update the *.h file. In that case,
manually touch the *.h file in question to restore order. Moral of the story,
if you're going to "touch" a *.in file then modify it substantially.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23006 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:43:10 +00:00
Reid Spencer
0a262ba7c3 For PR616: 
These patches make threading optional in LLVM. The configuration scripts are now
modified to accept a --disable-threads switch. If this is used, the Mutex class
will be implemented with all functions as no-op. Furthermore, linking against
libpthread will not be done. Finally, the ParallelJIT example needs libpthread
so its makefile was changed to always add -lpthread to the link line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23003 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:07:20 +00:00
Nate Begeman
6ef4949a0b Whoops, fix a thinko. All cases except SETNE are now handled by the 
target independent code in SelectionDAG.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23002 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 05:06:48 +00:00
Nate Begeman
c6b0717a6c Remove unused statistic 
Prefer 'neg X' to 'subfic 0, X' since neg does not set XER[CA]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23001 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 05:03:20 +00:00
Nate Begeman
4b46fc094d Add the "ppc specific" setcc-equivalent select_cc cases 
Prefer 'neg X' to 'subfic 0, X' since it does not set XER[CA]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23000 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 04:59:21 +00:00
Nate Begeman
cebd433d8d Teach SelectionDAG how to simplify a few more setcc-equivalent select_cc 
nodes so that backends don't have to.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22999 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 04:57:57 +00:00
Chris Lattner
a2590c5b3e Add callseq_begin/end support 
Call stil not supported yet


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22998 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 00:47:15 +00:00
Chris Lattner
82cfa5d616 Make -view-isel-dags show the dag before instruction selecting, in case 
the target isel crashes due to unimplemented features like calls :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22997 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 00:34:29 +00:00
Nate Begeman
0750a40a4f Fix optimization of select_cc seteq X, 0, 1, 0 -> srl (ctlz X), log2 X size 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22995 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 00:21:28 +00:00