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0031671b41
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22307 Commits

Author SHA1 Message Date
Owen Anderson
0031671b41 When we're determining what registers to coallesce, track the VNInfo IDs for the definitions that 
feed the PHI instructions.  We'll need these IDs in order to update LiveIntervals properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 03:13:29 +00:00
Chris Lattner
461edd937e when the bitcode reader is referencing a paramattr, make sure to bump its refcount. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48276 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 02:25:52 +00:00
Evan Cheng
0cec956d81 Total brain cramp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48274 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 02:05:05 +00:00
Chris Lattner
d5f1627d2c This is a simple fix for getting error messages from dlerror in 
LoadLibraryPermanently. The current code modifies the value of a pointer
that is passed by value, so the caller never gets the message.

Patch by Julien Lerouge!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48270 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:50:01 +00:00
Dale Johannesen
404d99010d One more bit of Altivec parameter passing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48269 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:49:20 +00:00
Anton Korobeynikov
91342d8873 Be backward compatible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48268 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:49:19 +00:00
Devang Patel
045497ae27 Check multiple return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48267 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:32:32 +00:00
Dale Johannesen
75092de483 Implement Altivec passing to varargs functions on ppc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48264 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:22:17 +00:00
Evan Cheng
17d5f5496c Set NextMII after issuing a physical register spill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48263 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:14:07 +00:00
Devang Patel
8f9b551147 Fix attribute handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48262 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:07:03 +00:00
Evan Cheng
4191b96f41 Minor debug output bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48261 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:02:46 +00:00
Anton Korobeynikov
5241957b1f Ultimately resolve aliases during linking, if possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48259 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:51:09 +00:00
Anton Korobeynikov
4d86e2a6b8 Correctly propagate thread-local flag from aliasee to alias. This fixes PR2137 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48257 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:38:53 +00:00
Dan Gohman
bfae83139d Use PassManagerBase instead of FunctionPassManager for functions 
that merely add passes. This allows them to be used with either
FunctionPassManager or PassManager, or even with a custom new
kind of pass manager.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48256 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:29:46 +00:00
Anton Korobeynikov
e846dd89c1 Add helper for ultimate aliasee resoltion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48255 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:28:56 +00:00
Devang Patel
7db30ba701 Handle multiple ret values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48254 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:24:29 +00:00
Devang Patel
a0238778db Initialize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48253 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:08:21 +00:00
Dan Gohman
882d87d168 Check to see if a two-entry PHI block can be simplified 
before trying to merge the block into its predecessors.
This allows two-entry-phi-return.ll to be simplified
into a single basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48252 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:53:06 +00:00
Anton Korobeynikov
22c9e65643 Honour aliases visibility during asm emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48249 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:41:14 +00:00
Anton Korobeynikov
f8342b9866 Honour aliases visibility when reading from/writing to bitcode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48248 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:40:17 +00:00
Evan Cheng
c1f53c7426 Transfer physical register spill info when load / store folding happens. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48246 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:34:46 +00:00
Dan Gohman
9736028d84 Use the correct value for InSignBit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48245 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:29:43 +00:00
Dan Gohman
ef5d194aaa Initial codegen support for functions and calls with multiple return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48244 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:11:25 +00:00
Chris Lattner
e12ecf272d Implement basic support for the 'f' register class constraint. This basically 
works, but probably won't if you mix it with 't' or 'u' yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48243 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:50:13 +00:00
Chris Lattner
1d38677e34 coalesce away 80-bit floating point copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48241 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:30:09 +00:00
Chris Lattner
07f7cc3ddb convert a massive if statement to a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48240 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:28:17 +00:00
Chris Lattner
fce84acbbc start handling the 'f' x87 constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:06:29 +00:00
Devang Patel
75e6f02445 Skip functions that return multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48233 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 18:04:06 +00:00
Devang Patel
826c49132a Become multiple return value aware. 
Right now, the pass does not optimize tail recursions 
involving multiple return values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48228 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 17:33:32 +00:00
Devang Patel
9af014f80c Add TODO reminder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48227 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 17:32:05 +00:00
Dan Gohman
580b89992f Give PassManager and FunctionPassManager a common base class, with 
add(Pass *) as a pure virtual member function. This will allow all
the various addPassesTo* functions in LLVM to avoid hard-coding what
type of PassManager is used. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 16:41:42 +00:00
Dan Gohman
b4b28231f7 Fix typos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48225 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 16:18:48 +00:00
Christopher Lamb
1bc1008b38 Missed part of recommit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48224 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 10:27:36 +00:00
Christopher Lamb
1fab4a6bbb Recommitting parts of r48130. These do not appear to cause the observed failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 10:09:17 +00:00
Evan Cheng
ea2378138f Use TargetRegisterInfo::getPhysicalRegisterRegClass. Remove duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48221 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:55:13 +00:00
Evan Cheng
fa2f786f4e If there are multiple register classes that a register belongs to, return the super-class (e.g. on x86, returns GR32, not GR32_). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48220 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:54:14 +00:00
Evan Cheng
676dd7c80b When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:19:34 +00:00
Evan Cheng
204496d58e In 32-bit mode, mark 64-bit GPR's as unallocatable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48217 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:16:00 +00:00
Duncan Sands
ac7613a326 Some LegalizeTypes code factorization and minor 
enhancements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48215 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 06:41:14 +00:00
Chris Lattner
5d03f21744 compile: double test() {} 
into:

_test:
	fldz
	ret

instead of:

_test:
	subl	$12, %esp
	#IMPLICIT_DEF %xmm0
	movsd	%xmm0, (%esp)
	fldl	(%esp)
	addl	$12, %esp
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48213 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 06:21:08 +00:00
Nick Lewycky
3c78697a3c Fix the build on gcc 4.2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48212 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 05:56:09 +00:00
Devang Patel
7c490d4104 Initial multiple return values support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48210 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 05:46:42 +00:00
Chris Lattner
447ff68c08 Change the model for FP Stack return to use fp operands on the 
RET instruction instead of using FpSET_ST0_32.  This also generalizes
the code to handling returning of multiple FP results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48209 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 03:23:40 +00:00
Chris Lattner
c5733ac5d3 variadic instructions don't have operand info for variadic arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48208 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 03:14:42 +00:00
Dan Gohman
034f60ed24 Generalize ExpandIntToFP to handle the case where the operand is legal 
and it's the result that requires expansion. This code is a little confusing
because the TargetLoweringInfo tables for [US]INT_TO_FP use the operand type
(the integer type) rather than the result type. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48206 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 01:59:03 +00:00
Chris Lattner
b779580100 If a register operand comes from the variadic part of a node, don't 
verify the register constraint matches what the instruction expects.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48205 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 00:59:28 +00:00
Evan Cheng
524f961742 Temporarily revert 48175. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48204 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 00:27:34 +00:00
Anton Korobeynikov
7fcb6b65c9 Fix thinko: alias always defines new symbol. Even is aliasee itself is undefined. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48203 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 00:24:53 +00:00
Dan Gohman
6cf9b8adf4 More APInt-ification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48201 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 00:11:06 +00:00
Chris Lattner
183275a627 abort with an assert instead of a cerr to get line# 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48199 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 23:56:08 +00:00