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Author SHA1 Message Date
Dan Gohman
a24b294e74 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43553 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 14:35:39 +00:00
Rafael Espindola
fc05f402ea Make ARM an X86 memcpy expansion more similar to each other. 
Now both subtarget define getMaxInlineSizeThreshold and the expansion uses it.

This should not change generated code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43552 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 11:52:06 +00:00
Duncan Sands
7169a2f9e8 Promotion of sdiv/srem/udiv/urem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43551 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 08:57:43 +00:00
Duncan Sands
1bd3271b16 Add a newline at the end of the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43550 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 08:49:24 +00:00
Chris Lattner
2e89f3ae2f fix validation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43549 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 07:30:39 +00:00
Chris Lattner
6093bd5fee okay, fine, make me finish this chapter. :) 
Feedback appreciated!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43548 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 07:29:43 +00:00
Chris Lattner
f523480b76 add the code for expression code that we'll add, though most of the 
description is missing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43547 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 06:47:39 +00:00
Chris Lattner
602c832c20 Add the first half of chapter 5: if/then/else. 
To come: for statement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43546 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 06:30:21 +00:00
Chris Lattner
a631a87ce1 __main is dead along with llvm-gcc3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 05:53:31 +00:00
Owen Anderson
0bda0e8895 Add the skeleton of a better PHI elimination pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43542 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 03:37:57 +00:00
Owen Anderson
5d32ec4cb0 Some fixes to get MachineDomTree working better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43541 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 03:30:14 +00:00
Dale Johannesen
25f1d08619 Make i64=expand_vector_elt(v2i64) work in 32-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43535 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 00:32:36 +00:00
Evan Cheng
0e0014d049 At end of LSR, replace uses of now constant (as result of SplitCriticalEdge) PHI node with the constant value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43533 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 23:45:15 +00:00
Ted Kremenek
20b7907c1c Added member function "size()" to FoldingSet to return the number of 
nodes in the FoldingSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43531 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 23:35:55 +00:00
Devang Patel
e45bb9ad5e New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43527 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 23:07:47 +00:00
Evan Cheng
8392772727 It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43524 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 22:27:26 +00:00
Dale Johannesen
c784208a73 Add missing SSE builtins: CVTPD2PI, CVTPS2PI, 
CVTTPD2PI, CVTTPS2PI, CVTPI2PD, CVTPI2PS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43523 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 22:15:38 +00:00
Evan Cheng
de1631bc85 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43511 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 20:11:21 +00:00
Dan Gohman
d61de35564 Add support for folding binary operators with vector zero operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43510 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 19:00:49 +00:00
Duncan Sands
14db5efbf0 Fix for visibility warnings generated by gcc-4.2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43500 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 13:14:37 +00:00
Duncan Sands
01405f9284 Add support for expanding trunc stores. Consider 
storing an i170 on a 32 bit machine.  This is first
promoted to a trunc-i170 store of an i256.  On a
little-endian machine this expands to a store of
an i128 and a trunc-i42 store of an i128.  The
trunc-i42 store is further expanded to a trunc-i42
store of an i64, then to a store of an i32 and a
trunc-i10 store of an i32.  At this point the operand
type is legal (i32) and expansion stops (legalization
of the trunc-i10 needs to be handled in LegalizeDAG.cpp).
On big-endian machines the high bits are stored first,
and some bit-fiddling is needed in order to generate
aligned stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43499 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 12:50:39 +00:00
Duncan Sands
ba3b1d10fd If a call to getTruncStore is for a normal store, 
offload to getStore rather than trying to handle
both cases at once (the assertions for example
assume the store really is truncating).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43498 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 12:40:58 +00:00
Dale Johannesen
6e3a8f3dfb Fix argument types for PSLLQ, PSRLQ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43490 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 01:44:33 +00:00
Dale Johannesen
8d26e594f0 Add missing MMX PSUBQ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-30 01:18:38 +00:00
Evan Cheng
af62c09437 - Bug fixes. 
- Allow icmp rewrite using an iv / stride of a smaller integer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43480 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 22:07:18 +00:00
Hartmut Kaiser
e476a66761 Updated VC++ build system 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43479 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 21:56:15 +00:00
Dan Gohman
090b38a0da Fix a DAGCombiner abort on a bitcast from a scalar to a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 20:44:42 +00:00
Dan Gohman
a8cc4d3d3c Don't bitcast from pointer-to-vector to pointer-to-array when 
lowering load and store instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43468 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 20:34:35 +00:00
Dan Gohman
767cf7069e Use an array instead of a fixed-length std::vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43467 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 20:24:00 +00:00
Dan Gohman
7f21fd5b64 Do a real assert if there is an unhandled vector instruction instead 
of just printing to cerr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43466 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 20:14:29 +00:00
Evan Cheng
3c3ddb3a85 Enable more fold (sext (load x)) -> (sext (truncate (sextload x))) 
transformation. Previously, it's restricted by ensuring the number of load uses
is one. Now the restriction is loosened up by allowing setcc uses to be
"extended" (e.g. setcc x, c, eq -> setcc sext(x), sext(c), eq).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43465 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:58:20 +00:00
Dan Gohman
9962054775 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43464 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:52:04 +00:00
Dan Gohman
9330c3af45 Update a comment to reflect the current code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43463 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:32:39 +00:00
Dan Gohman
8480bc5b5b Remove an unused function argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43462 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:31:25 +00:00
Dan Gohman
b66cf43ef4 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43461 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:26:14 +00:00
Dan Gohman
aa34331e78 Avoid calling ValidStride when not all uses are addresses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43460 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 19:23:53 +00:00
Ted Kremenek
8308a48536 Fixed warning concerning implicit conversion from a NULL pointer 
constant to an unsigned int.  We now just directly assign the literal 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43459 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 18:43:39 +00:00
Chris Lattner
c20b0fbfcd update testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43452 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 17:06:35 +00:00
Evan Cheng
e127a73154 Avoid doing something dumb like rewriting using a 64-bit iv in 32-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43446 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 07:57:50 +00:00
Chris Lattner
dc4756bfda add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43444 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 06:19:48 +00:00
Chris Lattner
cee291c505 Model stacksave and stackrestore as both writing memory, since we 
don't model their dependences on allocas correctly.  This fixes
PR1745.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43442 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 05:47:52 +00:00
Owen Anderson
08895f8866 Add a first attempt at dominator information for MBB's. Use with caution: this has been tested to compile. It has not yet been confirmed to generate correct analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43438 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 04:50:50 +00:00
Chris Lattner
0569187653 I am not sure this is a good idea to be an option, but rename the option for 
now.  It conflicts with clang's -pedantic flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43431 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 03:14:55 +00:00
Chris Lattner
fb7f343615 Add support for the x86-64 'q' regigster modifier, and add support for the 
b/h/w/k/q inline asm memory modifiers, which are just ignored.  This fixes
PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43430 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 03:09:07 +00:00
Chris Lattner
b361ec3197 Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handling 
zero-length fields better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43427 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 02:40:02 +00:00
Chris Lattner
3cb63ddd51 Fix PR1752 and LoopSimplify/2007-10-28-InvokeCrash.ll: terminators 
can have uses too.  Wouldn't it be nice if invoke didn't exist? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43426 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-29 02:30:37 +00:00
Ted Kremenek
adc9b9c317 Fixed assertion in Deserializer::~Deserializer that checks for 
pointers that were not backpatched (previously checked the wrong invariant).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43425 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-28 23:38:38 +00:00
Anton Korobeynikov
536c64b4d6 Add 'pedantic' mode to verifier rejecting syntactically valid, but 'bad' due to other reasons code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43424 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-28 22:50:32 +00:00
Ted Kremenek
5973ef40ca Updated backpatching logic during object deserialization to perform 
eager backpatching instead of waithing until all objects have been
deserialized.  This allows us to reduce the memory footprint needed
for backpatching.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43422 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-28 21:17:59 +00:00
Duncan Sands
dc84650679 The guaranteed alignment of ptr+offset is only the minimum of 
of offset and the alignment of ptr if these are both powers of
2.  While the ptr alignment is guaranteed to be a power of 2,
there is no reason to think that offset is.  For example, if
offset is 12 (the size of a long double on x86-32 linux) and
the alignment of ptr is 8, then the alignment of ptr+offset
will in general be 4, not 8.  Introduce a function MinAlign,
lifted from gcc, for computing the minimum guaranteed alignment.
I've tried to fix up everywhere under lib/CodeGen/SelectionDAG/.
I also changed some places that weren't wrong (because both values
were a power of 2), as a defensive change against people copying
and pasting the code.
Hopefully someone who cares about alignment will review the rest
of LLVM and fix up the remaining places.  Since I'm on x86 I'm
not very motivated to do this myself...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43421 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-28 12:59:45 +00:00