Commit Graph

59872 Commits

Author SHA1 Message Date
Nick Lewycky
4b67bc1e80 Revert r64616 which worked around http://gcc.gnu.org/PR42757 , we just didn't
know it at the time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101439 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 04:32:20 +00:00
Eric Christopher
107ae0ad8b Silence an unused variable warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101438 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 04:02:04 +00:00
Chris Lattner
a0bada729f fix comment noticed by Bob
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101437 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 02:32:17 +00:00
Gabor Greif
607a7ab3da back out r101423 and r101397, they break llvm-gcc self-host on darwin10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 01:16:20 +00:00
Chris Lattner
5f0378251c move comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 01:05:52 +00:00
Chris Lattner
d55c1c1659 fix PR6832: we were using the alignment of a pointer when we
wanted the alignment of the pointee.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101432 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 01:05:38 +00:00
Dan Gohman
aa08c55e18 Create an exports file, so that the plugin only exports the onload symbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101431 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:43:25 +00:00
Dan Gohman
f6920033e0 Make things static that don't need to be referenced from outside the file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101430 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:42:57 +00:00
Chris Lattner
a001b66498 improve comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101429 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:38:19 +00:00
Dan Gohman
0b09e12bc7 Add an svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101428 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:26:43 +00:00
Chris Lattner
4cc576bc5e pull all the ConvertToScalarInfo code together into one
place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101427 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:24:57 +00:00
Chris Lattner
593375d04a more refactoring: suck some stuff out of SRoA into
ConvertToScalarInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:20:00 +00:00
Gabor Greif
8db3f2c2ab shift intrinsic operand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 00:06:45 +00:00
Chris Lattner
c447207264 introduce a new ConvertToScalarInfo struct to simplify
CanConvertToScalar/MergeInType.  Eliminate a pointless
LLVMContext argument to MergeInType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:50:26 +00:00
Jakob Stoklund Olesen
626f3d7a57 Avoid sinking machine instructions into a loop.
MachineLoopInfo is already available when MachineSinking runs, so the check is
free.

There is no test case because it would require a critical edge into a loop, and
CodeGenPrepare splits those. This check is just to be extra careful.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101420 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:41:02 +00:00
Johnny Chen
cd52932dce Added another test case for am3offset operand, testing Rn, #+/-imm8.
Previous checkin tested Rn, #+/-Rm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101418 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:23:40 +00:00
Jakob Stoklund Olesen
4b231c5705 Add test case for machine-sink on critical edges
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:19:16 +00:00
Johnny Chen
1cfa094562 Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, not
am2offset.  Modified the instruction table entry and added a new test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101415 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:12:47 +00:00
Dan Gohman
7c52f2ee06 Make the export files absolute paths, and change Makefile.rules
to expect them this way, to fix srcdir!=objdir builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101414 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 23:08:00 +00:00
Dan Gohman
2d675f1308 Add a dependency on the .dir file to make sure that the directory
is created before the native exports file is built in a parallel build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101413 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 22:46:27 +00:00
Evan Cheng
3a1588a2e3 Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle is doing the right thing and codegen looks correct for both Thumb and Thumb2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 22:20:34 +00:00
Chris Lattner
31d80103d5 tidy interface to isOnlyCopiedFromConstantGlobal
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101405 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 21:59:20 +00:00
Daniel Dunbar
51faa37b4e Don't use absolute path for EXPORTED_SYMBOL_FILE, this breaks under the new
system.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101404 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 21:57:43 +00:00
Dan Gohman
b16b53b181 Generalize the EXPORTED_SYMBOL_FILE concept in the Makefiles to work with
native linking export files, including running sed to prepend underscores
on darwin, and make use of it in libLTO and libEnhancedDisassembly.

Remove the leading underscores from library export files so that they
work with the new EXPORTED_SYMBOL_FILE support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101399 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:54:25 +00:00
Gabor Greif
f27733f418 zap mergeinfo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:52:17 +00:00
Gabor Greif
2ff961f668 reapply r101364, which has been backed out in r101368
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:51:13 +00:00
Duncan Sands
83821c8941 Pointed out by housel on #llvm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:35:54 +00:00
Jakob Stoklund Olesen
5ef9d76f6f Fix PR6847. RegScavenger should ignore DebugValues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:28:39 +00:00
Nicolas Geoffray
8538f0496a Make sure the initialization of a GC root is after its definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 19:53:35 +00:00
Anton Korobeynikov
764f62ba60 Revert r100896 and around - this breaks the only mingw32 buildbot we have.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101387 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 19:51:42 +00:00
Gabor Greif
8cf16167a0 prune includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101385 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 19:44:21 +00:00
Evan Cheng
0ea7d219ec ARM SelectDYN_ALLOC should emit a copy from SP rather than referencing SP directly. In cases where there are two dyn_alloc in the same BB it would have caused the old SP value to be reused and badness ensues. rdar://7493908
llvm is generating poor code for dynamic alloca, I'll fix that later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 18:42:28 +00:00
Johnny Chen
c8866980fe DEBUG() print out "Unknown format" msg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 18:13:51 +00:00
Dan Gohman
8c407d4596 ReuseFrameIndexVals is used in multiple files, so it can't be static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 17:34:58 +00:00
Dan Gohman
82bcd23693 EnablePPC64RS and EnablePPC32RS are used in multiple files, so they
can't be static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101377 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 17:20:57 +00:00
Dan Gohman
b35798347e Fix a bunch of namespace polution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 17:08:50 +00:00
Dan Gohman
098406b42c Fix namespace polution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 16:23:27 +00:00
Dan Gohman
005752bbe7 Make getPredecessorWithUniqueSuccessorForBB return the unique successor
in addition to the predecessor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 16:19:08 +00:00
Gabor Greif
3181c50534 typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101371 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 15:14:46 +00:00
Gabor Greif
9ee1720811 back out r101364, as it trips the linux nightlybot on some clang C++ tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 12:46:56 +00:00
Gabor Greif
45d95a1ad5 zap mergeinfo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101366 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 11:36:12 +00:00
Benjamin Kramer
3bb37e968b Simplify ".bc" detection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101365 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 11:33:14 +00:00
Gabor Greif
165dac08d1 rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 10:49:53 +00:00
Chris Lattner
e6987587d6 enhance the load/store narrowing optimization to handle a
tokenfactor in between the load/store.  This allows us to 
optimize test7 into:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	(%rdx), %eax
                                        ## kill: SIL<def> ESI<kill>
	movb	%sil, 5(%rdi)
	ret

instead of:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	4(%esp), %ecx
	movl	$-65281, %eax           ## imm = 0xFFFFFFFFFFFF00FF
	andl	4(%ecx), %eax
	movzbl	8(%esp), %edx
	shll	$8, %edx
	addl	%eax, %edx
	movl	12(%esp), %eax
	movl	(%eax), %eax
	movl	%edx, 4(%ecx)
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 06:10:49 +00:00
Chris Lattner
6dc868581b teach codegen to turn trunc(zextload) into load when possible.
This doesn't occur much at all, it only seems to formed in the case
when the trunc optimization kicks in due to phase ordering.  In that
case it is saves a few bytes on x86-32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101350 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 05:40:59 +00:00
Chris Lattner
efcddc3325 add a simple dag combine to replace trivial shl+lshr with
and.  This happens with the store->load narrowing stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 05:28:43 +00:00
Chris Lattner
2392ae7d73 Implement rdar://7860110 (also in target/readme.txt) narrowing
a load/or/and/store sequence into a narrower store when it is
safe.  Daniel tells me that clang will start producing this sort
of thing with bitfields, and this does  trigger a few dozen times
on 176.gcc produced by llvm-gcc even now.

This compiles code like CodeGen/X86/2009-05-28-DAGCombineCrash.ll 
into:

        movl    %eax, 36(%rdi)

instead of:

        movl    $4294967295, %eax       ## imm = 0xFFFFFFFF
        andq    32(%rdi), %rax
        shlq    $32, %rcx
        addq    %rax, %rcx
        movq    %rcx, 32(%rdi)

and each of the testcases into a single store.  Each of them used
to compile into craziness like this:

_test4:
	movl	$65535, %eax            ## imm = 0xFFFF
	andl	(%rdi), %eax
	shll	$16, %esi
	addl	%eax, %esi
	movl	%esi, (%rdi)
	ret




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101343 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 04:48:01 +00:00
Dan Gohman
ae541aad5c Add more const qualifiers for LLVM IR pointers in CodeGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101342 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 04:33:49 +00:00
Chris Lattner
dc7d6c9ddc further tweak this to do something useful.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 04:31:42 +00:00
Chris Lattner
23ab896c13 remove undef control flow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101340 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 04:30:19 +00:00