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Author SHA1 Message Date
Devang Patel
91b477d2fa Match C backend only if it explicitly requested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69613 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 18:07:22 +00:00
Tanya Lattner
911c60630f Remove clang since its conditionally there already. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 17:48:16 +00:00
Bob Wilson
c885165e66 Revise my previous change 68996 as suggested by Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69607 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 17:27:09 +00:00
Evan Cheng
c4f718a3a7 - Remove an arbitrary spill weight tweak that should not have been there. 
- Find more reloads from SS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69606 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 17:23:48 +00:00
Sanjiv Gupta
2bdf490d71 Emit the auto variables of a function into a different section than parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69605 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 16:59:35 +00:00
Dan Gohman
f30a8641d1 It's not necessary for PrintModulePass to flush the output streams 
now that errs() is properly non-buffered.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69602 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 16:26:25 +00:00
Dan Gohman
51747a7e51 Use .empty() instead of .size(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69599 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 16:19:02 +00:00
Dan Gohman
ba0941fbe0 Don't discard an AssemblyAnnotationWriter when writing GlobalValues, 
which include Functions, where it can be quite useful to use an
AssemblyAnnotationWriter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 16:10:33 +00:00
Duncan Sands
c3bbf579ae These bitfields were being miscompiled on some 
64 bit platforms when building with optimization.
So replace them by a hand-coded implementation.
This fixes PR3822.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69597 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 16:03:21 +00:00
Dan Gohman
5b7ff35503 Implement operator<<(raw_ostream &OS, const Type &T). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 15:55:38 +00:00
Evan Cheng
206d1856ad Added a linearscan register allocation optimization. When the register allocator spill an interval with multiple uses in the same basic block, it creates a different virtual register for each of the reloads. e.g. 
%reg1498<def> = MOV32rm %reg1024, 1, %reg0, 12, %reg0, Mem:LD(4,4) [sunkaddr39 + 0]
        %reg1506<def> = MOV32rm %reg1024, 1, %reg0, 8, %reg0, Mem:LD(4,4) [sunkaddr42 + 0]
        %reg1486<def> = MOV32rr %reg1506
        %reg1486<def> = XOR32rr %reg1486, %reg1498, %EFLAGS<imp-def,dead>
        %reg1510<def> = MOV32rm %reg1024, 1, %reg0, 4, %reg0, Mem:LD(4,4) [sunkaddr45 + 0]

=>

        %reg1498<def> = MOV32rm %reg2036, 1, %reg0, 12, %reg0, Mem:LD(4,4) [sunkaddr39 + 0]
        %reg1506<def> = MOV32rm %reg2037, 1, %reg0, 8, %reg0, Mem:LD(4,4) [sunkaddr42 + 0]
        %reg1486<def> = MOV32rr %reg1506
        %reg1486<def> = XOR32rr %reg1486, %reg1498, %EFLAGS<imp-def,dead>
        %reg1510<def> = MOV32rm %reg2038, 1, %reg0, 4, %reg0, Mem:LD(4,4) [sunkaddr45 + 0]

From linearscan's point of view, each of reg2036, 2037, and 2038 are separate registers, each is "killed" after a single use. The reloaded register is available and it's often clobbered right away. e.g. In thise case reg1498 is allocated EAX while reg2036 is allocated RAX. This means we end up with multiple reloads from the same stack slot in the same basic block.

Now linearscan recognize there are other reloads from same SS in the same BB. So it'll "downgrade" RAX (and its aliases) after reg2036 is allocated until the next reload (reg2037) is done. This greatly increase the likihood reloads from SS are reused.

This speeds up sha1 from OpenSSL by 5.8%. It is also an across the board win for SPEC2000 and 2006.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69585 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 08:01:12 +00:00
Douglas Gregor
8f7be4731e Make all raw_ostreams support the tell() function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69583 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 07:34:17 +00:00
Sanjiv Gupta
428098de62 Before trying to introduce/eliminate cast/ext/trunc to make indices type as 
pointer type, make sure that the pointer size is a valid sequential index type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69574 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-20 06:05:54 +00:00
Nick Lewycky
848b3142ad Use an AssertingVH to detect the case where the Function was deleted but 
freeMachineCodeForFunction was never called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-19 18:32:03 +00:00
Nick Lewycky
7c53316922 Fix missing text in doxygen documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-19 18:20:21 +00:00
Duncan Sands
a507e5538f Now that BUILD_VECTOR operands are allowed to be 
bigger than the vector element type, turn checking
of the operand type back on again, appropriately
adjusted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-19 06:40:30 +00:00
Duncan Sands
4a930ecd2a Remove the SimpleTy enumerated type field from the MVT 
value type union: this field was causing problems for
some compilers on 64 bit systems, presumably because
SimpleTy is 32 bits wide while the other fields are
64 bits wide.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-19 06:23:05 +00:00
Mikhail Glushenkov
0941b0f655 Add some assertions. 
Fixes segfaults in some corner cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-19 00:22:35 +00:00
Bill Wendling
5a22d6a6a0 Revert 69474 and 69475. They are causing failures during a bootstrap on Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 21:45:27 +00:00
Mikhail Glushenkov
fed844de6b Reconfigure. 
Turns out that doing this by hand is easier than using autoreconf:-).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69475 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 20:55:55 +00:00
Mikhail Glushenkov
7ba8ad31df Add a configure check for llvm-gcc (reapply). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 20:55:28 +00:00
Chris Lattner
9dcab2fe8e testcase for PR3898 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69473 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 20:49:22 +00:00
Chris Lattner
2f992d13ea Fix PR3898, which manifests as failures on are an Xcore, 
patch by Jakob Stoklund Olesen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69472 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 20:48:07 +00:00
Duncan Sands
b10b5ac8d9 Don't try to make BUILD_VECTOR operands have the same 
type as the vector element type: allow them to be of
a wider integer type than the element type all the way
through the system, and not just as far as LegalizeDAG.
This should be safe because it used to be this way
(the old type legalizer would produce such nodes), so
backends should be able to handle it.  In fact only
targets which have legal vector types with an illegal
promoted element type will ever see this (eg: <4 x i16>
on ppc).  This fixes a regression with the new type
legalizer (vec_splat.ll).  Also, treat SCALAR_TO_VECTOR
the same as BUILD_VECTOR.  After all, it is just a
special case of BUILD_VECTOR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69467 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 20:16:54 +00:00
Nick Lewycky
fa8ffc10b3 Generalize to support more ARM types. 
Configure was not actually regenerated, but the change last time only touched
this one line, so I'm being lazy and cheating by fixing it manually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 18:11:26 +00:00
Dan Gohman
f4ccfcb704 Add a ScalarEvolution::getCouldNotCompute() function, and use it 
instead of allocating and leaking new SCEVCouldNotCompute objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 17:58:19 +00:00
Dan Gohman
b40c23672b More const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 17:57:20 +00:00
Dan Gohman
890f92b744 Use more const qualifiers with SCEV interfaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69450 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 17:56:28 +00:00
Nick Lewycky
f34c921713 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69447 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 15:41:38 +00:00
Nick Lewycky
1d6a8ce0a5 Detect beagleboard as ARM. The $target is "armv7l". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69446 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 15:34:25 +00:00
Duncan Sands
dc22376a14 Make it clearer that llvm-gcc is not needed for 
building llvm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 12:40:19 +00:00
Bill Wendling
ebcceeeaba Temporarily revert r69438 and r69439. These were causing failures during a 
release build of llvm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 11:20:33 +00:00
Mikhail Glushenkov
e850146fb2 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69439 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 09:59:26 +00:00
Mikhail Glushenkov
126b014c60 Add a configure check for llvm-gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 09:57:58 +00:00
Evan Cheng
cccdb2b602 Add a new LiveInterval::overlaps(). It checks if the live interval overlaps a range specified by [Start, End). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 08:52:15 +00:00
Mon P Wang
0bd07fc5dd Fixed a few 64 bit cases in X86InstrInfo::commuteInstruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 05:16:01 +00:00
Dale Johannesen
2cf68d4d23 Adjust XFAIL syntax, maybe that will help. The other 
way worked for me...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69414 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 02:01:23 +00:00
Dale Johannesen
f4948450d1 patch 69408 breaks this by removing the opportunity 
for the optimization it's testing to kick in (although
it improves the code, getting rid of all spills).
I don't understand the optimization well enough to
rescue the test, so XFAILing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69409 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 00:11:50 +00:00
Dale Johannesen
97d14fcb6a Inline asm's were still introducing bogus dependencies; 
my earlier patch to this code only fixed half of it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69408 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-18 00:09:40 +00:00
Jim Grosbach
46445389d3 remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 23:30:55 +00:00
Bill Wendling
1824773689 Recommit r69335 and r69336. These were not causing problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69394 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 22:40:38 +00:00
Bob Wilson
e3fa9ef936 Move the AddLiveIn function definition closer to its uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:42:34 +00:00
Bob Wilson
e65586b37b Rearrange code to reduce indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:40:45 +00:00
Bob Wilson
7eb793dd09 Rename file to have the correct suffix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:40:20 +00:00
Bob Wilson
dee46d7f6d Clean up formatting, remove trailing whitespace, fix comment typos and 
punctuation.  No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69378 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:35:10 +00:00
Dan Gohman
276944ef30 Delete an unused field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69375 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:03:31 +00:00
Bob Wilson
1f595bb429 Use CallConvLower.h and TableGen descriptions of the calling conventions 
for ARM.  Patch by Sandeep Patel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69371 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 19:07:39 +00:00
Jim Grosbach
5bea822a0c Update information on canadian cross builds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69358 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 17:25:16 +00:00
David Greene
5b7dfbd89a Use a safer iterator interface and get rid of std C++ library misuse. 
This fixes a --enable-expensive-checks problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69353 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 14:56:18 +00:00
David Greene
2a5a12cd69 Regenerate configure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69352 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 14:50:39 +00:00