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Author SHA1 Message Date
Dale Johannesen
35e11cd70b Modify test to expect improved code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47182 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 22:05:15 +00:00
Evan Cheng
bd3e5aac74 The copy instruction being coalesced will be removed, it is not a kill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47179 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 21:36:51 +00:00
Ted Kremenek
e3e09574ae Fixed bug in FoldingSetIteratorImpl where we did not correctly check if 
we had reached the "fake bucket" after the last bucket, allowing the iterator
in some cases to run off the end of the hashtable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47178 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 21:12:46 +00:00
Dan Gohman
53c607f562 Skip over the defs and start at the uses when looking for operands 
with the TIED_TO attribute.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47177 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 20:59:17 +00:00
Dan Gohman
3b66555c53 Use the TargetInstrDescr to determine the number of operands 
that should be checked for the TIED_TO attribute instead of
using CountOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47176 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 20:50:13 +00:00
Duncan Sands
31fdedde04 Fix this test on linux, which returns S242 
using sret.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47173 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 19:42:13 +00:00
Duncan Sands
ca3a56f2fb Teach LegalizeTypes how to promote the flags 
in a ret node.  These are created as i32 constants
but on some platforms i32 is not legal.  This
fixes 26 "make check" failures, for example
Alpha/2005-07-12-TwoMallocCalls.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47172 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 19:34:17 +00:00
Chris Lattner
ec321b4d64 Handle \n's in value names for more targets. The asm printers 
really really really need refactoring :(



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47171 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 19:04:54 +00:00
Chris Lattner
3502d0dac3 If the llvm name contains an unprintable character, don't print it in 
the global comment.  This prevents printing things like:

...  # foo
bar

when the name is "foo\nbar".



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47170 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:56:05 +00:00
Chris Lattner
705da96697 targets that support quotes for mangled names still need to escape newlines 
when they occur in the name, just like " is escaped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:54:56 +00:00
Dale Johannesen
3b407444c9 Cosmetics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47168 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:40:53 +00:00
Evan Cheng
c8d044e4f7 - Removing the infamous r2rMap_ and rep() method. Now the coalescer will update 
register defs and uses after each successful coalescing.
- Also removed a number of hacks and fixed some subtle kill information bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:24:29 +00:00
Evan Cheng
f20db15954 Added CommuteChangesDestination(). This returns true if commuting the specified 
machine instr will change its definition register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47166 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:21:33 +00:00
Evan Cheng
63e3cd4e0f Remove unnecessary #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47164 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:12:09 +00:00
Dan Gohman
21be3849ae Use StoreSDNode::getValue instead of calling getOperand directly 
with a hard-coded operand number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47163 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:11:59 +00:00
Dale Johannesen
ab1a0354ec Remove warning about 64-bit code on processor 
that doesn't support it.  Per Chris.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47162 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:09:51 +00:00
Lauro Ramos Venancio
2e78b7879d It is not safe to call fork in PrintStackTrace. Sometimes it freezes the program. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47161 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 18:05:54 +00:00
Dan Gohman
9ae39b5cb3 Change MemOperand's size and offset to be 64-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47151 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 01:29:57 +00:00
Devang Patel
9d9b204d6a Fix PR2028 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47150 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 01:24:49 +00:00
Dale Johannesen
b4c9a687eb nocona, core2 and penryn support 64 bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47149 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 01:22:41 +00:00
Chris Lattner
b6e1dd7075 Support vector constant zeros, thanks to Zack Rusin for the testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47148 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 00:57:28 +00:00
Dale Johannesen
db01c8ba26 Rewrite tblgen handling of subtarget features so 
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47143 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 23:35:16 +00:00
Devang Patel
9b03daa2a3 If loop header is also loop exiting block then OrigPN is incoming value for B loop header. 
Fixes PR 2030.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47141 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 23:18:47 +00:00
Dan Gohman
5a0e7b41c1 Fix a warning about comparison between signed and unsigned, 
being consistent with the rest of the APInt implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47138 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 22:38:45 +00:00
Chris Lattner
8c5c22f610 Fix PR2029 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47129 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 19:18:13 +00:00
Chris Lattner
423be627e6 Fix a miscompilation from Dan's recent apintification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47128 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 18:48:56 +00:00
Nate Begeman
ccef580583 Fix single precision FP constants on SPU. They are actually legal, 
which allows us to kill a target-specific node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47127 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 18:43:04 +00:00
Duncan Sands
8655b15137 Rename CFEBuildInstrs.html to GCCFEBuildInstrs.html. 
Update all references to it and place a redirection
page at the old address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47124 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 17:53:22 +00:00
Duncan Sands
00fee65fd2 In TargetLowering::LowerCallTo, don't assert that 
the return value is zero-extended if it isn't
sign-extended.  It may also be any-extended.
Also, if a floating point value was returned
in a larger floating point type, pass 1 as the
second operand to FP_ROUND, which tells it
that all the precision is in the original type.
I think this is right but I could be wrong.
Finally, when doing libcalls, set isZExt on
a parameter if it is "unsigned".  Currently
isSExt is set when signed, and nothing is
set otherwise.  This should be right for all
calls to standard library routines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47122 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 17:28:50 +00:00
Nate Begeman
e179584f9b Change how FP immediates are handled. 
1) ConstantFP is now expand by default
2) ConstantFP is not turned into TargetConstantFP during Legalize
   if it is legal.

This allows ConstantFP to be handled like Constant, allowing for 
targets that can encode FP immediates as MachineOperands.

As a bonus, fix up Itanium FP constants, which now correctly match,
and match more constants!  Hooray.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47121 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 08:57:00 +00:00
Tanya Lattner
6e9bceea97 Remove llvm-upgrade 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47119 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:57:12 +00:00
Nate Begeman
e8b7ccf0c9 Support a new type of MachineOperand, MO_FPImmediate, used for holding 
FP Immediates, crazily enough


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47117 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:39:30 +00:00
Chris Lattner
13daadbd25 simplify code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47116 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:39:01 +00:00
Nate Begeman
0fec975a18 Move some useful operands up into the all-targets .td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47115 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:25:46 +00:00
Nate Begeman
f504eefb6e Nuke dead comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47114 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:23:11 +00:00
Nick Lewycky
c91b49b890 Testcase for PR2032. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47113 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:15:11 +00:00
Nick Lewycky
95f0ba2703 Fix PR2032. Inform the alias analysis of changes to the underlying program. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47111 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 07:11:24 +00:00
Tanya Lattner
dcd188d33f Remove llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47110 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 06:56:27 +00:00
Chris Lattner
eb05f90c71 upgrade some entries, remove stuff that is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47109 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 06:19:02 +00:00
Chris Lattner
ea1cddf546 the mid-level optimizer removes this stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47108 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 05:43:18 +00:00
Chris Lattner
48b4d96949 this one is easy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47107 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 05:41:38 +00:00
Chris Lattner
8b0cb7bcc6 This readme entry is done, testcase here: CodeGen/X86/zero-remat.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47106 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 05:39:46 +00:00
Nick Lewycky
1d1ef14248 PR2027, Fix bugpoint's -find-bugs option, clean up the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47105 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 05:01:46 +00:00
Evan Cheng
5598b70a78 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47102 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 01:32:53 +00:00
Dan Gohman
d9fe41c0c8 Allow the APInt form of ComputeMaskedBits to operate on i128 types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47101 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 23:13:32 +00:00
Dan Gohman
f4f92f5ebe Assigning an APInt to 0 with plain assignment gives it a one-bit 
size. Initialize these APInts to properly-sized zero values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 23:07:24 +00:00
Dan Gohman
72d2fd57b6 Avoid setting bits that aren't demanded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47098 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 22:43:25 +00:00
Dan Gohman
cd2ad1df5d Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47097 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 22:32:12 +00:00
Dan Gohman
977a76fbb6 Simplify some logic in ComputeMaskedBits. And change ComputeMaskedBits 
to pass the mask APInt by value, not by reference. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47096 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 22:28:48 +00:00
Devang Patel
ea06906559 A loop latch phi node may have uses inside loop, not just in loop header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47093 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 22:23:07 +00:00