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4144 Commits

Author SHA1 Message Date
Chris Lattner
a64d4cddf5 add an enum value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23048 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 17:07:09 +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
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
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
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
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
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
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
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
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
d177579860 Adjust to new livevars interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22991 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 23:41:14 +00:00
Chris Lattner
76eb08bcda Simplify this code by using LiveVariables::KillsRegister 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22988 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 22:49:55 +00:00
Chris Lattner
57da25231a Fix PR618 and Regression/CodeGen/CBackend/2005-08-23-Fmod.ll by not emitting 
x%y for 'rem' on fp values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22984 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 20:22:50 +00:00
Chris Lattner
424dcbdb3b add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22982 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 06:27:59 +00:00
Nate Begeman
8ca5693c51 Ack, typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22981 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 05:45:10 +00:00
Nate Begeman
a50d53e5ef Add an option to make SetCC illegal as a beta option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22979 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 05:42:36 +00:00
Nate Begeman
354df0ae6d Remove some instructions we no longer generate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22976 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 01:16:46 +00:00
Chris Lattner
1f24df6324 Remove some regs that are not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22975 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 22:32:13 +00:00
Chris Lattner
9dc4d3cbac Nate noticed that 30% of the malloc/frees in llc come from calls to LowercaseString 
in the asmprinter.  This changes the .td files to use lower case register names,
avoiding the need to do this call.  This speeds up the asmprinter from 1.52s
to 1.06s on kc++ in a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22974 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 22:00:02 +00:00
Chris Lattner
0a00bece0d Fix a crash I introduced into the IA64 backend with my copyfromreg change. 
It used to crash on any function that took float arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22973 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 21:33:11 +00:00
Chris Lattner
47c0889419 Add a pass name for -time-passes output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22970 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 18:28:09 +00:00
Chris Lattner
f7f2255505 Implement stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22963 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 01:27:59 +00:00
Chris Lattner
ddf3e7dfd7 Fix compilation of: 
float %test2(float* %P) {
        %Q = load float* %P
        %R = add float %Q, %Q
        ret float %R
}

By returning the right result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22961 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 00:59:14 +00:00
Chris Lattner
b30ee6a41a Make sure expressions only have one use before emitting them into a place that is conditionally executed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22960 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-22 00:47:28 +00:00
Chris Lattner
9944b76cfe Implement most of load support. There is still a bug though. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22959 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 22:31:09 +00:00
Chris Lattner
1db1adbdee Don't print out the MBB label for the entry mbb 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22953 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 19:09:33 +00:00
Chris Lattner
f913d3f91c Simplify the logic for BRTWOWAY_CC handling. The isel code already 
simplifies BRTWOWAY into BR if one of the results is a fall-through.
Unless I'm missing something, there is no reason to duplicate this
in the target-specific code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22952 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 19:03:28 +00:00
Chris Lattner
2fbb4579d6 Implement selection for branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22951 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 18:50:37 +00:00
Chris Lattner
4dd4a2d278 If the false value for a select_cc is really simple (has no inputs), evaluate 
it in the block.  This codegens:

int %test(bool %c) {
        %retval = select bool %c, int 17, int 1
        ret int %retval
}

as:

_test:
        rlwinm r2, r3, 0, 31, 31
        li r2, 17
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        li r2, 1
.LBB_test_2:    ;
        or r3, r2, r2
        blr

instead of:

_test:
        rlwinm r2, r3, 0, 31, 31
        li r2, 17
        li r4, 1
        cmpwi cr0, r3, 0
        bne .LBB_test_2 ;
.LBB_test_1:    ;
        or r2, r4, r4
.LBB_test_2:    ;
        or r3, r2, r2
        blr

... which is one fewer instruction.  The savings are more significant for
global address and constantfp nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22946 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 17:41:11 +00:00
Duraid Madina
7340dd5d2e reenable collapse of loadimm+AND -> dep.z (thanks guys) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22944 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 15:43:53 +00:00
Jim Laskey
ffb973df92 Repair an out by one error for IA64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22942 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-20 11:05:23 +00:00
Chris Lattner
4416f1a0a5 add support for global address, including PIC support. 
This REALLY should be lowered by the legalizer!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22941 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 22:38:53 +00:00
Chris Lattner
7e65997c43 Fix a typeo, no wonder all tokenfactor edges were the same! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22935 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 21:33:02 +00:00
Chris Lattner
ecbce617ca Split RegisterClass 'Methods' into MethodProtos and MethodBodies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22929 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 19:13:20 +00:00
Chris Lattner
f0c5f67dbc put reg classes into namespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:53:43 +00:00
Chris Lattner
fabc8ffacb Put reg classes into namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22926 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:52:55 +00:00
Chris Lattner
03ba7b9f25 Put register classes into namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22925 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:51:57 +00:00
Chris Lattner
cbec3b00bd Put register classes in namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22924 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:50:46 +00:00
Chris Lattner
e7af178ccf Fix code that assumes the register info will be dumped into a target 
namespace instead of the reg class namespace.  Update getRegClassForType()
to use modified names due to tblgen change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22923 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:50:11 +00:00
Chris Lattner
28e728d75a put reg classes in namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22922 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:49:22 +00:00
Chris Lattner
1ff9540c17 Require that targets specify a namespace for their register classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22921 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:48:48 +00:00
Chris Lattner
6096f0d4c6 The skeleton target has never had an isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22917 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:35:41 +00:00