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Author SHA1 Message Date
Andrew Trick
b57b06647e Documented bugpoint --compile-custom --compile-command. 
I've used it a few times to reduce unit tests and gotten one request for information on it. It's not easy to use correctly because bugpoint doesn't tell you when you're doing it wrong.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129507 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 05:05:36 +00:00
Chris Lattner
df2ef9015f add a minor missed dag combine that is blocking mid-level optimization 
improvements, that will lead to fixing PR6627.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 04:21:42 +00:00
Chris Lattner
c0c7fca2fe sink a call into its only use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 04:12:47 +00:00
Chris Lattner
3c6e746b5f rework FoldBranchToCommonDest to exit earlier when there is a bonus 
instruction around, reducing work.

Greatly simplify handling of debug instructions.  There is no need to
build up a vector of them and then move them into the one predecessor
if we're processing a block.  Instead just rescan the block and *copy*
them into the pred.  If a block gets merged into multiple preds, this
will retain more debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 02:44:53 +00:00
Chris Lattner
b3b15711b9 fix a couple -Wsign-compare warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 02:27:25 +00:00
Bill Wendling
d336de318e As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias 
(movzx/movsx) because they give more information. Revert that part of the patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 01:46:37 +00:00
Bill Wendling
c6df9883da Have the X86 back-end emit the alias instead of what's being aliased. In most 
cases, it's much nicer and more informative reading the alias.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129497 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 01:11:51 +00:00
Bill Wendling
eef965f04b Add an option to not print the alias of an instruction. It defaults to "print 
the alias".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 23:36:21 +00:00
Owen Anderson
7adf862eb2 During post-legalization DAG combining, be careful to only create shifts where the RHS is of the legal type for the new operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129484 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 23:22:23 +00:00
Johnny Chen
e8d087ad35 Thumb disassembler did not handle tBRIND (indirect branch) properly. 
rdar://problem/9280370


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129480 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 21:59:01 +00:00
Mon P Wang
be0761c820 Vectors with different number of elements of the same element type can have 
the same allocation size but different primitive sizes(e.g., <3xi32> and
<4xi32>).  When ScalarRepl promotes them, it can't use a bit cast but
should use a shuffle vector instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 21:40:02 +00:00
Johnny Chen
6c7e4147dc Check for unallocated instruction encodings when disassembling Thumb Branch instructions (tBcc and t2Bcc). 
rdar://problem/9280470


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 21:35:49 +00:00
Johnny Chen
471d73d5d3 The LDR*T/STR*T (unpriviledged load/store) operations don't take SP or PC as Rt. 
rdar://problem/9279440


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 21:04:32 +00:00
Cameron Zwarich
5af60ce2a8 Fix a typo in an ARM-specific DAG combine. This fixes <rdar://problem/9278274>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 21:01:19 +00:00
Benjamin Kramer
8b505739f4 Fix format string warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 20:41:43 +00:00
Cameron Zwarich
1335022e19 Fix a regression caused by r102515 where explicit alignment on globals is 
ignored. There was a test to catch this, but it was just blindly updated in
a large change. This fixes another part of <rdar://problem/9275290>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 20:36:04 +00:00
Devang Patel
be7cd7580d Fix debug message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129463 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 19:47:41 +00:00
Johnny Chen
9bb386a933 Check the corner cases for t2LDRSHi12 correctly and mark invalid encodings as such. 
rdar://problem/9276651


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129462 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 19:46:05 +00:00
Devang Patel
65705d559a Remove extra bytes that were added for gdb. We do not have good poiner to understand actual reason behind this fixme. Spot checking suggest that newer gdb does not need this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 19:41:17 +00:00
Nick Lewycky
b90e1d5aaf Use positive values since the value type is unsigned. Fixes a warning on the 
llvm-gcc-native-mingw32 builder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 18:46:22 +00:00
Johnny Chen
119af20c7b Fix a bug where for t2MOVCCi disassembly, the TIED_TO register operand was not properly handled. 
rdar://problem/9276427


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129456 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 17:51:02 +00:00
Johnny Chen
6e3ccc3c85 Forgot to add this change for http://llvm.org/viewvc/llvm-project?view=rev&revision=129387. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129451 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 16:56:08 +00:00
Junjie Gu
7133b85b87 Fixed the revision 129449. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 16:45:49 +00:00
Junjie Gu
32644d9bfd Passing unroll parameters (unroll-count, threshold, and partial unroll) via LoopUnroll class's ctor. Doing so 
will allow multiple context with different loop unroll parameters to run.  This is a minor change and no effect 
on existing application.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129449 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 16:15:29 +00:00
Jim Grosbach
4f9f41f2f9 Load multiple object files and link them via RuntimeDyld in llvm-rtdyld. 
Relocations between the object modules are properly resolved, as in the
following trivial example:

$ cat t.c
int foo();
int main() {
    return foo();
}
$ cat foo.c
int foo() {
    return 65;
}
$ clang -c t.c -fno-asynchronous-unwind-tables
$ clang -c foo.c -fno-asynchronous-unwind-tables
$ llvm-rtdyld t.o foo.o ; echo $?
loaded '_main' at: 0x10015c000
65



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129448 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:49:40 +00:00
Rafael Espindola
0d9874b48d Add the alias analysis to the C api. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129447 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:44:58 +00:00
Jim Grosbach
6b32e7e213 Allow user-specified program entry point for llvm-rtdyld. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129446 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:38:30 +00:00
Jim Grosbach
69e813282d MCJIT relocation resolution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129445 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:28:10 +00:00
Oscar Fuentes
c2475e8ece Export LLVM_TARGETS_WITH_JIT in LLVMConfig.cmake.in. Without this, 
component names such as "engine" do not expand to "jit" and hence to
the native target libraries for external users.

Thanks to arrowdodger for reporting and diagnosing the problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129444 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:25:31 +00:00
Jay Foad
d30aa5a1ed PR9214: Convert ConstantExpr::getIndices() to return an ArrayRef, plus 
related tweaks to ExprMapKeyType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:22:40 +00:00
Jakob Stoklund Olesen
fd1cced726 Stop using dead function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129442 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 15:00:11 +00:00
Jay Foad
cb53632869 Remove some redundant llvm:: prefixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 14:39:42 +00:00
Jay Foad
cda60cec16 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129440 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 13:48:09 +00:00
Jay Foad
b81e457eb0 PR9214: Convert ConstantExpr::getWithOperands() to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129439 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 13:46:01 +00:00
Jay Foad
d61895a4be Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129437 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 13:03:56 +00:00
Jay Foad
715c80a00b Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129436 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 12:50:47 +00:00
Jay Foad
5b24017ca8 Like the coding standards say, do not use "using namespace std". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129435 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 12:46:01 +00:00
Cameron Zwarich
eb04a33dc7 Fix an obvious problem with an alignment computation. AsmPrinter actually does 
the max itself, so it is not easy to write a test case for this, but I added a
test case that would fail if the code in AsmPrinter were removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129432 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 09:02:43 +00:00
Cameron Zwarich
5876db7a66 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129429 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 06:39:16 +00:00
Cameron Zwarich
d8b88d8558 If a global variable has a specified alignment that is less than the preferred 
alignment for its type, use the minimum of the specified alignment and the ABI
alignment. This fixes <rdar://problem/9275290>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129428 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 06:03:16 +00:00
Nick Lewycky
8a7f4ecbc1 Use %ull here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129423 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 01:05:45 +00:00
Andrew Trick
87896d9368 Recommit r129383. PreRA scheduler heuristic fixes: VRegCycle, TokenFactor latency. 
Additional fixes:
Do something reasonable for subtargets with generic
itineraries by handle node latency the same as for an empty
itinerary. Now nodes default to unit latency unless an itinerary
explicitly specifies a zero cycle stage or it is a TokenFactor chain.

Original fixes:
UnitsSharePred was a source of randomness in the scheduler: node
priority depended on the queue data structure. I rewrote the recent
VRegCycle heuristics to completely replace the old heuristic without
any randomness. To make the ndoe latency adjustments work, I also
needed to do something a little more reasonable with TokenFactor. I
gave it zero latency to its consumers and always schedule it as low as
possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129421 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 00:38:32 +00:00
Bill Wendling
f93f7b2446 Reapply r129401 with patch for clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129419 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 00:36:11 +00:00
Eric Christopher
d31df87f41 Temporarily revert r129408 to see if it brings the bots back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129417 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-13 00:20:59 +00:00
Rafael Espindola
066c2f495a Be consistent about being virtual and returning void in the cfi methods. 
Implement the ones that were missing in the asm streamer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129413 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:59:07 +00:00
Johnny Chen
55e6419b12 Add sanity check for Ld/St Dual forms of Thumb2 instructions. 
rdar://problem/9273947


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129411 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:31:00 +00:00
Jakob Stoklund Olesen
836a7de159 Add @earlyclobber constraints to the writeback register of all ARM store instructions. 
The ARMARM specifies these instructions as unpredictable when storing the
writeback register. This shouldn't affect code generation much since storing a
pointer to itself is quite rare.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129409 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:27:48 +00:00
Eric Christopher
8e98de9979 Fix a bug where we were counting the alias sets as completely used 
registers for fast allocation.

Fixes rdar://9207598


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:23:14 +00:00
Devang Patel
161b2f45c2 I missed this new file in previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129407 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:21:44 +00:00
Devang Patel
513edf62fa Simplify. There is no need to use static variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129406 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-12 23:10:47 +00:00