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Evan Cheng [Tue, 24 May 2011 01:43:38 +0000 (01:43 +0000)]
Remove dead option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131947
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Andrew Trick [Tue, 24 May 2011 01:02:49 +0000 (01:02 +0000)]
FileCheck-ize a couple of IV unit tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131946
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Rafael Espindola [Tue, 24 May 2011 00:58:06 +0000 (00:58 +0000)]
Fix cmake dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131943
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Akira Hatanaka [Tue, 24 May 2011 00:23:52 +0000 (00:23 +0000)]
Simplify offset calculation of stack frame objects for $gp restore location and
variable arguments in LowerCall and LowerFormalArguments. This should also fix
the bug in which handling of variable arguments is incorrect when the front-end
optimizes away unused fixed arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131942
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Devang Patel [Tue, 24 May 2011 00:22:25 +0000 (00:22 +0000)]
Fix debug info for blocks' variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131940
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Andrew Trick [Tue, 24 May 2011 00:17:53 +0000 (00:17 +0000)]
Test case for r130799 - indvars: Added canExpandBackEdgeTakenCount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131939
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Devang Patel [Mon, 23 May 2011 23:16:14 +0000 (23:16 +0000)]
Remove unnecessary comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131936
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Akira Hatanaka [Mon, 23 May 2011 22:23:58 +0000 (22:23 +0000)]
Expand f64 FPOW.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131928
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Akira Hatanaka [Mon, 23 May 2011 22:16:43 +0000 (22:16 +0000)]
Add pattern for double-to-integer conversion. Patch by Sasa Stankovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131927
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Devang Patel [Mon, 23 May 2011 22:04:42 +0000 (22:04 +0000)]
Revert 121907 (it causes llc crash) and apply original patch from PR9817.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131926
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Akira Hatanaka [Mon, 23 May 2011 21:13:59 +0000 (21:13 +0000)]
Fixes related to coding style.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131922
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Dan Gohman [Mon, 23 May 2011 21:13:03 +0000 (21:13 +0000)]
Document llvm.exp and llvm.pow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131921
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Dan Gohman [Mon, 23 May 2011 21:07:39 +0000 (21:07 +0000)]
When checking for signed multiplication overflow, watch out for INT_MIN and -1.
This fixes PR9845.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131919
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Jim Grosbach [Mon, 23 May 2011 20:36:04 +0000 (20:36 +0000)]
Propagate error correctly in the MC Asm parser for leading '$' expressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131918
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Akira Hatanaka [Mon, 23 May 2011 20:34:30 +0000 (20:34 +0000)]
Fix MipsAsmPrinter::printSavedRegsBitmaskChange. Remove functions and variables
in MipsFunctionInfo that are no longer used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131917
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Chris Lattner [Mon, 23 May 2011 20:17:44 +0000 (20:17 +0000)]
clarify this, apparently it is confusing :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131916
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Akira Hatanaka [Mon, 23 May 2011 20:16:59 +0000 (20:16 +0000)]
Change StackDirection from StackGrowsUp to StackGrowsDown.
The following improvements are accomplished as a result of applying this patch:
- Fixed frame objects' offsets (relative to either the virtual frame pointer or
the stack pointer) are set before instruction selection is completed. There is
no need to wait until Prologue/Epilogue Insertion is run to set them.
- Calculation of final offsets of fixed frame objects is straightforward. It is
no longer necessary to assign negative offsets to fixed objects for incoming
arguments in order to distinguish them from the others.
- Since a fixed object has its relative offset set during instruction
selection, there is no need to conservatively set its alignment to 4.
- It is no longer necessary to reorder non-fixed frame objects in
MipsFrameLowering::adjustMipsStackFrame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131915
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Devang Patel [Mon, 23 May 2011 17:49:29 +0000 (17:49 +0000)]
Test case for r131908.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131909
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Devang Patel [Mon, 23 May 2011 17:44:13 +0000 (17:44 +0000)]
Preserve debug info during iSel by keeping DanglingDebugInfoMap live until end of function.
Patch by Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131908
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Devang Patel [Mon, 23 May 2011 17:35:08 +0000 (17:35 +0000)]
While replacing all uses of a SDValue with another value, do not forget to transfer SDDbgValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131907
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Devang Patel [Mon, 23 May 2011 17:34:18 +0000 (17:34 +0000)]
Clear list of instructions without DebugLoc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131906
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Duncan Sands [Mon, 23 May 2011 16:50:29 +0000 (16:50 +0000)]
The dragonegg option to disable LLVM optimizations changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131903
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Charles Davis [Mon, 23 May 2011 16:43:09 +0000 (16:43 +0000)]
Implement .seh_stackalloc and .seh_pushframe parsing.
I haven't implemented any of the ones that take registers yet. The problem is
that for x86-64 the streamer methods expect a native x86 register number (note:
%r8-%r15 want 8-15 instead of 0-7; same for %xmm8-%xmm15). I haven't figured
out exactly how I want to do that yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131899
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Chris Lattner [Mon, 23 May 2011 05:15:43 +0000 (05:15 +0000)]
fix a really nasty basicaa mod/ref calculation bug that was causing miscompilation of
UnitTests/ObjC/messages-2.m with the recent optimizer improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131897
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Cameron Zwarich [Mon, 23 May 2011 01:57:17 +0000 (01:57 +0000)]
Fix <rdar://problem/
9476260> by having tail calls always generate 32-bit branches
in Darwin Thumb2 code. Tail calls are already disabled on Thumb1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131894
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Chris Lattner [Mon, 23 May 2011 00:32:19 +0000 (00:32 +0000)]
rearrange two transforms, since one subsumes the other. Make the shift-exactness
xform recurse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131888
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Chris Lattner [Mon, 23 May 2011 00:21:50 +0000 (00:21 +0000)]
Transform any logical shift of a power of two into an exact/NUW shift when
in a known-non-zero context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131887
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Bill Wendling [Mon, 23 May 2011 00:18:33 +0000 (00:18 +0000)]
Use a more efficient data structure for the "operand map". The number of
operands to an instruction aren't great, so an iterative search is fairly quick
and doesn't have the overhead of std::map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131886
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Chris Lattner [Mon, 23 May 2011 00:09:55 +0000 (00:09 +0000)]
use the valuetracking isPowerOfTwo function, which is more powerful than checking
for a constant directly. Thanks to Duncan for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131885
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Chris Lattner [Mon, 23 May 2011 00:03:39 +0000 (00:03 +0000)]
Teach valuetracking that byval arguments with a specified alignment are
aligned.
Teach memcpyopt to not give up all hope when confonted with an underaligned
memcpy feeding an overaligned byval. If the *source* of the memcpy can be
determined to be adequeately aligned, or if it can be forced to be, we can
eliminate the memcpy.
This addresses PR9794. We now compile the example into:
define i32 @f(%struct.p* nocapture byval align 8 %q) nounwind ssp {
entry:
%call = call i32 @g(%struct.p* byval align 8 %q) nounwind
ret i32 %call
}
in both x86-64 and x86-32 mode. We still don't get a tailcall though,
because tailcalls apparently can't handle byval.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131884
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Chris Lattner [Sun, 22 May 2011 23:57:23 +0000 (23:57 +0000)]
add a helper method to get the byval alignment of an argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131883
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Chris Lattner [Sun, 22 May 2011 23:23:02 +0000 (23:23 +0000)]
Eliminate some temporary variables, and don't call getByValTypeAlignment
when we're just going to throw the result away. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131880
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Chris Lattner [Sun, 22 May 2011 22:35:34 +0000 (22:35 +0000)]
add test from PR9164
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131876
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Chris Lattner [Sun, 22 May 2011 22:32:53 +0000 (22:32 +0000)]
testcase for PR9378
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131875
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Chris Lattner [Sun, 22 May 2011 22:31:57 +0000 (22:31 +0000)]
add a missing alias to make us more bug compatible with gcc, PR9378
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131874
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Chris Lattner [Sun, 22 May 2011 22:28:47 +0000 (22:28 +0000)]
document thiscall, PR9101
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131873
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Chris Lattner [Sun, 22 May 2011 22:22:35 +0000 (22:22 +0000)]
implement PR9315, constant folding exp2 in terms of pow (since hosts without
C99 runtimes don't have exp2).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131872
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Renato Golin [Sun, 22 May 2011 21:41:23 +0000 (21:41 +0000)]
RTABI chapter 4.3.4 specifies __eabi_mem* calls. Specifically, __eabi_memset accepts parameters (ptr, size, value) in a different order than GNU's memset (ptr, value, size), therefore the special lowering in AAPCS mode. Implementation by Evzen Muller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131868
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Charles Davis [Sun, 22 May 2011 21:12:15 +0000 (21:12 +0000)]
Add methods to parse the SEH directives to the COFFAsmParser. Implement some
of them, particularly the ones that don't take arguments. Also implement
.seh_proc and .seh_handler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131866
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Chris Lattner [Sun, 22 May 2011 18:28:46 +0000 (18:28 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131863
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Chris Lattner [Sun, 22 May 2011 18:26:48 +0000 (18:26 +0000)]
add some random notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131862
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Evan Cheng [Sun, 22 May 2011 18:25:30 +0000 (18:25 +0000)]
Teach ValueTracking about x86 crc32 intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131861
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Chris Lattner [Sun, 22 May 2011 18:18:41 +0000 (18:18 +0000)]
Carve out a place in instcombine to put transformations which work knowing that their
result is non-zero. Implement an example optimization (PR9814), which allows us to
transform:
A / ((1 << B) >>u 2)
into:
A >>u (B-2)
which we compile into:
_divu3: ## @divu3
leal -2(%rsi), %ecx
shrl %cl, %edi
movl %edi, %eax
ret
instead of:
_divu3: ## @divu3
movb %sil, %cl
movl $1, %esi
shll %cl, %esi
shrl $2, %esi
movl %edi, %eax
xorl %edx, %edx
divl %esi, %eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131860
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Johnny Chen [Sun, 22 May 2011 17:51:04 +0000 (17:51 +0000)]
Fix Bug 9386 - ARM disassembler failed to disassemble conditional bx
Modified the patch to .td file supplied by Jyun-Yan You. Add a test case and
modified ARMDisassemblerCore.cpp a little bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131859
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Chris Lattner [Sun, 22 May 2011 17:39:56 +0000 (17:39 +0000)]
Fix PR9815: I was trying to get out of "generating code and then
failing to form a memset, then having to delete it" but my approximation
isn't safe for self recurrent loops. Instead of doign a hack, just
do it the right way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131858
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Frits van Bommel [Sun, 22 May 2011 16:24:18 +0000 (16:24 +0000)]
Add a parameter to ConstantFoldTerminator() that callers can use to ask it to also clean up the condition of any conditional terminator it folds to be unconditional, if that turns the condition into dead code. This just means it calls RecursivelyDeleteTriviallyDeadInstructions() in strategic spots. It defaults to the old behavior.
I also changed -simplifycfg, -jump-threading and -codegenprepare to use this to produce slightly better code without any extra cleanup passes (AFAICT this was the only place in -simplifycfg where now-dead conditions of replaced terminators weren't being cleaned up). The only other user of this function is -sccp, but I didn't read that thoroughly enough to figure out whether it might be holding pointers to instructions that could be deleted by this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131855
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Chris Lattner [Sun, 22 May 2011 15:44:02 +0000 (15:44 +0000)]
another typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131854
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Chris Lattner [Sun, 22 May 2011 15:34:37 +0000 (15:34 +0000)]
fix comment typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131853
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Chris Lattner [Sun, 22 May 2011 07:20:02 +0000 (07:20 +0000)]
I missed a checking with my GVN change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131851
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Chris Lattner [Sun, 22 May 2011 07:18:08 +0000 (07:18 +0000)]
insertvalue takes a variable number of arguments, document this, fixing PR9935.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131850
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Chris Lattner [Sun, 22 May 2011 07:15:13 +0000 (07:15 +0000)]
fix PR9856, an incorrectly conservative assertion: a global can be
"stored once" even if its address is compared.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131849
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Chris Lattner [Sun, 22 May 2011 07:03:34 +0000 (07:03 +0000)]
fix PR9841 by having GVN not process dead loads. This was
causing it to get into infinite loops when it would widen a
load (which can necessarily leave around dead loads).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131847
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Chris Lattner [Sun, 22 May 2011 07:02:43 +0000 (07:02 +0000)]
remove a trivial test, make some other tests less trivial.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131846
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Chris Lattner [Sun, 22 May 2011 06:59:33 +0000 (06:59 +0000)]
make this test less trivial.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131845
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Chris Lattner [Sun, 22 May 2011 06:44:19 +0000 (06:44 +0000)]
initialize and finalize function passes, pointed out by Cameron.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131843
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Chris Lattner [Sun, 22 May 2011 06:03:53 +0000 (06:03 +0000)]
fix a bug for hosts without round, PR8893.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131842
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Chris Lattner [Sun, 22 May 2011 05:45:06 +0000 (05:45 +0000)]
move PR9408 here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131841
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Nick Lewycky [Sun, 22 May 2011 05:31:47 +0000 (05:31 +0000)]
Commit test change, forgotten as part of r131838.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131839
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Nick Lewycky [Sun, 22 May 2011 05:22:10 +0000 (05:22 +0000)]
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables
of the inlinee to the code representing the original function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838
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Chris Lattner [Sun, 22 May 2011 04:53:24 +0000 (04:53 +0000)]
switch to using a smallvector to avoid allocations for most normal size instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131837
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Chris Lattner [Sun, 22 May 2011 04:52:24 +0000 (04:52 +0000)]
tidy some things up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131836
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Chris Lattner [Sun, 22 May 2011 04:44:48 +0000 (04:44 +0000)]
Fix some minor typos and grammar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131835
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Charles Davis [Sun, 22 May 2011 04:15:07 +0000 (04:15 +0000)]
Implement emission of all Win64 exception tables. Make the COFF streamer emit
these tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131833
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Charles Davis [Sun, 22 May 2011 03:01:05 +0000 (03:01 +0000)]
Make the COFF streamer emit unwind info when processing a .seh_handlerdata
directive.
Implement emission of Win64 EH unwind info.
Pull in <cassert> in MCWin64EH.h so it can use the assert() macro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131832
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Nick Lewycky [Sun, 22 May 2011 01:16:00 +0000 (01:16 +0000)]
Fix grammar in test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131831
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Charles Davis [Sun, 22 May 2011 00:56:20 +0000 (00:56 +0000)]
Don't allow unaligned offsets and sizes in the Win64 EH directives.
Also, fix threshold for 'Big' register saves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131830
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Chris Lattner [Sun, 22 May 2011 00:50:53 +0000 (00:50 +0000)]
random comment cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131829
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Chris Lattner [Sun, 22 May 2011 00:37:51 +0000 (00:37 +0000)]
fix a file system case sensitivity issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131828
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Chris Lattner [Sun, 22 May 2011 00:30:45 +0000 (00:30 +0000)]
remove StandardPasses, it has been replaced with PassManagerBuilder
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131827
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Chris Lattner [Sun, 22 May 2011 00:21:33 +0000 (00:21 +0000)]
switch opt to using PassManagerBuilder.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131824
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Chris Lattner [Sun, 22 May 2011 00:21:15 +0000 (00:21 +0000)]
switch llvm-ld. It has a terrible mechanism that people can add extra
passes, it should be converted to use extension points.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131823
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Chris Lattner [Sun, 22 May 2011 00:20:07 +0000 (00:20 +0000)]
switch bugpoint and liblto to PassManagerBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131821
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Chris Lattner [Sun, 22 May 2011 00:14:20 +0000 (00:14 +0000)]
add support for LTO passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131820
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Chris Lattner [Sun, 22 May 2011 00:13:44 +0000 (00:13 +0000)]
eliminate dependence on StandardPasses.h. The code generator's pass pipeline
should eventually convert to PMBuilder, but I don't plan to do this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131819
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Charles Davis [Sun, 22 May 2011 00:05:26 +0000 (00:05 +0000)]
Include DataTypes.h from this header to get the uint*_t types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131817
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Charles Davis [Sun, 22 May 2011 00:03:24 +0000 (00:03 +0000)]
Allow access to the .pdata and .xdata sections through the TargetAsmInfo
class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131816
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Chris Lattner [Sat, 21 May 2011 23:50:37 +0000 (23:50 +0000)]
add an extension point mechanism that allow plugins to add stuff to
the pass manager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131814
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Nick Lewycky [Sat, 21 May 2011 23:14:36 +0000 (23:14 +0000)]
Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans to
use these soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131812
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Duncan Sands [Sat, 21 May 2011 20:54:46 +0000 (20:54 +0000)]
Revert commit 131781, to see if it fixes the x86-64 dragonegg buildbot.
Original log message:
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131809
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Chris Lattner [Sat, 21 May 2011 20:39:42 +0000 (20:39 +0000)]
add a new PassManagerBuilder class to replace StandardPasses.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131807
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Chris Lattner [Sat, 21 May 2011 20:09:13 +0000 (20:09 +0000)]
add a copy ctor to TargetLibraryInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131806
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Eli Friedman [Sat, 21 May 2011 19:13:10 +0000 (19:13 +0000)]
PR7952: Make isa<> use the same logic as cast<>, so that they both work
consistently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131803
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Benjamin Kramer [Sat, 21 May 2011 18:32:01 +0000 (18:32 +0000)]
X86: smulo -> add is now done target-independently in DAGCombiner, remove the patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131801
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Benjamin Kramer [Sat, 21 May 2011 18:31:55 +0000 (18:31 +0000)]
Implement mulo x, 2 -> addo x, x in DAGCombiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131800
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Benjamin Kramer [Sat, 21 May 2011 18:31:48 +0000 (18:31 +0000)]
Merge and FileCheckize test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131799
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Benjamin Kramer [Sat, 21 May 2011 18:31:42 +0000 (18:31 +0000)]
Revert "InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)"
It's better to do this in codegen, mul.with.overflow(X, 2) is more canonical because it has only one use on "X".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131798
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Charles Davis [Sat, 21 May 2011 17:36:25 +0000 (17:36 +0000)]
Don't allow .seh_handler and .seh_handlerdata directives inside chained
unwind areas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131795
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Charles Davis [Sat, 21 May 2011 15:57:49 +0000 (15:57 +0000)]
A handler for a function in the Win64 EH scheme can be both an unwind handler
and an exception handler. Handle that case.
Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be
needed later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131791
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Benjamin Kramer [Sat, 21 May 2011 09:22:06 +0000 (09:22 +0000)]
InstCombine: Turn mul.with.overflow(X, 2) into the cheaper add.with.overflow(X, X)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131789
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Cameron Zwarich [Sat, 21 May 2011 04:13:49 +0000 (04:13 +0000)]
Fix PR9978 by adding RIP to GR64_TC so it can be used as an address in PIC code. It
is already in GR64 for the same reasons. Since it isn't allocatable it can't cause
any problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131787
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Akira Hatanaka [Sat, 21 May 2011 03:01:03 +0000 (03:01 +0000)]
Use the correct register to access stack frame objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131785
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Akira Hatanaka [Sat, 21 May 2011 02:29:26 +0000 (02:29 +0000)]
Insert instructions that copy $sp to or from $fp at the right locations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131784
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Dan Gohman [Sat, 21 May 2011 01:05:08 +0000 (01:05 +0000)]
When BasicAA can determine that two pointers have the same base but
differ by a dynamic offset, return PartialAlias instead of MayAlias.
See the comment in the code for details. This fixes PR9971.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131781
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Andrew Trick [Sat, 21 May 2011 00:56:46 +0000 (00:56 +0000)]
Have Program::Wait return -2 for crashed and timeouts instead of embedding
info in the error message. Per Dan's request.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131780
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Charles Davis [Sat, 21 May 2011 00:09:04 +0000 (00:09 +0000)]
Set the "LastFrameInst" field when streaming a .seh_setframe directive. This
is needed for an upcoming patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131772
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Cameron Zwarich [Fri, 20 May 2011 23:25:36 +0000 (23:25 +0000)]
Fix PR9962 by properly constraining register classes in RemoveCopyByCommutingDef(). This
actually fixes most of the VerifyCoalescing failures in test-suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131768
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Akira Hatanaka [Fri, 20 May 2011 23:22:14 +0000 (23:22 +0000)]
Change the order fixed objects are created in MipsTargetLowering::LowerCall in
preparation for reversing StackDirection.
Fixed objects are created in the following order:
1. Incoming arguments passed on stack.
2. va_arg objects (include both arguments that are passed in registers and
pointer to the location of the first va_arg argument).
3. $gp restore slot.
4. Outgoing arguments passed on stack.
5. Pointer to alloca'd space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131767
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Charles Davis [Fri, 20 May 2011 22:23:34 +0000 (22:23 +0000)]
Fix typo. When will I learn?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131765
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Eli Friedman [Fri, 20 May 2011 22:21:04 +0000 (22:21 +0000)]
Add fast-isel support for byval calls on x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131764
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Charles Davis [Fri, 20 May 2011 22:13:55 +0000 (22:13 +0000)]
Add .pdata and .xdata sections to the COFF TLOF implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131763
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