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Author SHA1 Message Date
Chris Lattner
b85979434d Factor dominator tree and frontier updating into SplitBlockPredecessors 
instead of doing it after every call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 00:54:38 +00:00
Chris Lattner
48a80b07bd fit some more code in 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 00:25:49 +00:00
Chris Lattner
34093a634a simplify code, fit in 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50015 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 00:23:14 +00:00
Chris Lattner
862f27ebab fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 00:19:16 +00:00
Nicolas Geoffray
580631a73a Be pessimistic in computing the buffer size when aligning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50008 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 23:39:44 +00:00
Nicolas Geoffray
546e36a2c1 Don't forget to update the current operand when getting the size of an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 23:36:47 +00:00
Chris Lattner
bd3401fa98 finish the first cut of a jump threading pass implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 22:39:42 +00:00
Chris Lattner
0cfe85be0b replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with 
a call to Instruction::isUsedOutsideOfBlock.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50005 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 22:18:22 +00:00
Chris Lattner
7ae40e7d8a add a handy helper method to instruction, useful for determining 
whether it is used outside of some block.  This can be used to see
if there are any non-local references, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50004 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 22:11:30 +00:00
Chris Lattner
f9065a904f we can only thread blocks when there is a pred we can determine the succ of. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 21:18:09 +00:00
Chris Lattner
177480b7ed improve comments, infrastructure, and add some validity checks for threading. 
Add a cost function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 21:13:06 +00:00
Chris Lattner
8383a7b7a6 Add a new Jump Threading pass, which will handle cases 
such as those in PR2235.  Right now the pass is not very
effective. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50000 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 20:35:01 +00:00
Chris Lattner
3e5d1d8d08 hopefully resolve PR2240 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49999 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 19:59:12 +00:00
Chris Lattner
0e4b6c7551 rearrange some code, simplify handling of shifts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 18:24:14 +00:00
Dale Johannesen
9dd2ce46c5 Check we aren't trying to convert PPC long double. 
This fixes the testsuite failure on ppcf128-4.ll.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 18:23:46 +00:00
Nicolas Geoffray
5913e6c5db Cosmetic changes, as suggested by Evan. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49993 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 17:44:19 +00:00
Dale Johannesen
a0c8fc6f28 (re)fix handling of UGT. Pointed out by Nick Lewycky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49991 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 16:58:57 +00:00
Torok Edwin
3eaee31393 g++-4.3 build-fix: CHAR_BIT requires <climits>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49989 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 08:33:11 +00:00
Nicolas Geoffray
fd7d99120b Do not hold the JIT lock when materializing a function and verify if the 
function has already been codegen'd. This is required by the Java class loading
mechanism which executes Java code when materializing a function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49988 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 08:33:02 +00:00
Chris Lattner
bd381a777b A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49986 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 05:52:46 +00:00
Chris Lattner
b15f760cda Not all x86-64 machines have sse3 apparently. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 05:47:56 +00:00
Dale Johannesen
79f82f9fd5 Check that APFloat::convert is not trying to target 
ppc long double, which doesn't work.

This may break some stuff temporarily, but I want to
avoid the propagation of code that assumes this works.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49983 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 01:34:03 +00:00
Chris Lattner
d8eb63fc72 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 00:41:19 +00:00
Chris Lattner
02a260aa11 Switch to using Simplified ConstantFP::get API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 00:41:09 +00:00
Chris Lattner
eb9c8e1e3f Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49976 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 00:26:06 +00:00
Chris Lattner
e0db56db31 free(null) -> noop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:41:32 +00:00
Chris Lattner
5ae21fb23a rename *.llx -> *.ll, last batch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:32:52 +00:00
Chris Lattner
1ce9e00f8b rename *.llx -> *.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49970 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:29:10 +00:00
Chris Lattner
e972299f34 rename *.llx -> *.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:26:29 +00:00
Gabor Greif
df7d2b4ce8 merge of 49966 from branches/ggreif/use-diet to trunk. these are already active API changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:25:09 +00:00
Chris Lattner
d881ad2c57 Implement PR2206. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49967 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 22:17:26 +00:00
Chris Lattner
1c14c29746 refactor handling of symbolic constant folding, picking up 
a few new cases( see Integer/a1.ll), but not anything that
would happen in practice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 21:58:19 +00:00
Chris Lattner
61783d7322 indentation fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49964 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 21:13:00 +00:00
Chris Lattner
72ed200a7e Some clarifications suggested by Jon Sargeant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49963 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 21:01:16 +00:00
Chris Lattner
bcd203cf86 Allow argpromote to promote struct arguments with a specified number 
of elements.  Patch by Matthijs Kooijman!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49962 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 19:50:01 +00:00
Evan Cheng
8608f2eff2 64-bit atomic operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49949 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 02:30:38 +00:00
Evan Cheng
94d7b02c5a Also LXCHG64 -> XCHG64rm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 02:05:42 +00:00
Evan Cheng
54fc97dcdc PPC32 atomic operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49947 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 01:30:48 +00:00
Evan Cheng
bb6939dcff xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49946 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 01:20:30 +00:00
Dan Gohman
f4423b1e45 Teach llvm-as to accept function types with multiple return types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 00:24:39 +00:00
Dale Johannesen
cf363181c1 Fix a scalar evolution bug. Reversing everything 
does not work because of 0; 2>0 but -2U is also >0.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 21:38:31 +00:00
Nicolas Geoffray
dc17ab2bf0 Enable jitting with a known memory size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:59:31 +00:00
Duncan Sands
37bcda3de9 Implement a bit more softfloat support in 
LegalizeTypes.  Correct the load logic so
that it actually works, and also teach it
to handle floating point extending loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:56:03 +00:00
Dan Gohman
28269139ee Fix the handling of va_copy on x86-64. As of llvm-gcc r49920 
llvm-gcc is now lowering va_copy on x86-64, so this completes
the fix for PR2230.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:55:41 +00:00
Evan Cheng
7e03280b53 - Fix atomic operation JIT encoding. 
- Remove unused instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:55:36 +00:00
Duncan Sands
4cc0456456 Add some more FIXME's for indexed loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:27:12 +00:00
Duncan Sands
41edfb8ae1 Provide an explicit list of operands to MakeLibcall, 
rather than having it suck them out of a node.  Add
a bunch of new libcalls, and remove dead softfloat
code (dead, because FloatToInt is used not Expand
in this case).  Note that indexed stores probably
aren't handled properly, likewise for loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49915 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:25:14 +00:00
Evan Cheng
a8f720d695 Correct comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49913 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 19:25:26 +00:00
Evan Cheng
883d260045 Not safe to "kill" a register if its live range extends pass the end of block branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 19:22:23 +00:00
Evan Cheng
3f73beaeb2 Also support Intel asm syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 23:35:10 +00:00