Jim Grosbach [Wed, 1 Aug 2012 20:33:02 +0000 (20:33 +0000)]
Clean up formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161133
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Jim Grosbach [Wed, 1 Aug 2012 20:33:00 +0000 (20:33 +0000)]
Tidy up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161132
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Chad Rosier [Wed, 1 Aug 2012 18:39:17 +0000 (18:39 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161122
91177308-0d34-0410-b5e6-
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Eric Christopher [Wed, 1 Aug 2012 18:19:01 +0000 (18:19 +0000)]
Temporarily revert
c23b933d5f8be9b51a1d22e717c0311f65f87dcd. It's causing
failures in the debug testsuite and possibly PR13486.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161121
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Nuno Lopes [Wed, 1 Aug 2012 17:13:28 +0000 (17:13 +0000)]
remove tabs from my previous commit.
Sorry, not used to this editor anymore.. XCode please come back; you're forgiven :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161120
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Nuno Lopes [Wed, 1 Aug 2012 16:58:51 +0000 (16:58 +0000)]
(hopefuly) fix the remaining cases where null wasnt expected (PR13497).
I'll commit a test to the clang tree.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161118
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Matt Beaumont-Gay [Wed, 1 Aug 2012 16:42:35 +0000 (16:42 +0000)]
Line endings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161117
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Jakob Stoklund Olesen [Wed, 1 Aug 2012 16:02:59 +0000 (16:02 +0000)]
Add DataDep constructors. Explicitly check SSA form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161115
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Nuno Lopes [Wed, 1 Aug 2012 15:50:34 +0000 (15:50 +0000)]
fix 'make check' when ocamlopt returns the compiler path with CFLAGS (and there's a cflag with a = char)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161114
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Axel Naumann [Wed, 1 Aug 2012 14:53:13 +0000 (14:53 +0000)]
Reference IntrusiveRefCntPtr in doxygen doc of RefCountedBase to get a link to the pointer class documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161112
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Elena Demikhovsky [Wed, 1 Aug 2012 12:06:00 +0000 (12:06 +0000)]
Added FMA functionality to X86 target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161110
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Nick Lewycky [Wed, 1 Aug 2012 09:14:36 +0000 (09:14 +0000)]
Stay rational; don't assert trying to take the square root of a negative value.
If it's negative, the loop is already proven to be infinite. Fixes PR13489!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161107
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Chandler Carruth [Wed, 1 Aug 2012 08:40:48 +0000 (08:40 +0000)]
Add range erase, element insert, and range insert methods to
TinyPtrVector. With these, it is sufficiently functional for my more
normal / pedestrian uses.
I've not included some r-value reference stuff here because the value
type for a TinyPtrVector is, necessarily, just a pointer.
I've added tests that cover the basic behavior of these routines, but
they aren't as comprehensive as I'd like. In particular, they don't
really test the iterator semantics as thoroughly as they should. Maybe
some brave soul will feel enterprising and flesh them out. ;]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161104
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Chandler Carruth [Wed, 1 Aug 2012 08:40:46 +0000 (08:40 +0000)]
Add basic in-bounds asserts to TinyPtrVector::erase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161103
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Craig Topper [Wed, 1 Aug 2012 07:39:18 +0000 (07:39 +0000)]
Add more indirection to the disassembler tables to reduce amount of space used to store the operand types and encodings. Store only the unique combinations in a separate table and store indices in the instruction table. Saves about 32K of static data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161101
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Nick Kledzik [Wed, 1 Aug 2012 02:29:50 +0000 (02:29 +0000)]
Initial commit of new FileOutputBuffer support class.
Since the llvm::sys::fs::map_file_pages() support function it relies on
is not yet implemented on Windows, the unit tests for FileOutputBuffer
are currently conditionalized to run only on unix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161099
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Akira Hatanaka [Wed, 1 Aug 2012 02:29:24 +0000 (02:29 +0000)]
Implement MipsJITInfo::replaceMachineCodeForFunction.
No new test case is added.
This patch makes test JITTest.FunctionIsRecompiledAndRelinked pass on mips
platform.
Patch by Petar Jovanovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161098
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Nick Kledzik [Wed, 1 Aug 2012 01:43:10 +0000 (01:43 +0000)]
Fix shadowed variable warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161097
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Akira Hatanaka [Wed, 1 Aug 2012 00:37:53 +0000 (00:37 +0000)]
Remove unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161095
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Akira Hatanaka [Tue, 31 Jul 2012 23:52:55 +0000 (23:52 +0000)]
Implement MipsSERegisterInfo::eliminateCallFramePseudoInstr. The function emits
instructions that decrement and increment the stack pointer before and after a
call when the function does not have a reserved call frame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161093
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Akira Hatanaka [Tue, 31 Jul 2012 23:41:32 +0000 (23:41 +0000)]
Add definitions of two subclasses of MipsRegisterInfo, Mips16RegisterInfo and
MipsSERegisterInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161092
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Akira Hatanaka [Tue, 31 Jul 2012 22:50:19 +0000 (22:50 +0000)]
Add definitions of two subclasses of MipsFrameLowering, Mips16FrameLowering and
MipsSEFrameLowering.
Implement MipsSEFrameLowering::hasReservedCallFrame. Call frames will not be
reserved if there is a call with a large call frame or there are variable sized
objects on the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161090
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Nick Kledzik [Tue, 31 Jul 2012 22:18:15 +0000 (22:18 +0000)]
Suppress stderr noise when test case runs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161085
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Akira Hatanaka [Tue, 31 Jul 2012 22:11:05 +0000 (22:11 +0000)]
Add Mips16InstrInfo.cpp and MipsSEInstrInfo.cpp to CMakeLists.txt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161083
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Michael J. Spencer [Tue, 31 Jul 2012 22:04:08 +0000 (22:04 +0000)]
[obj2yaml] Print the Relocations header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161082
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Akira Hatanaka [Tue, 31 Jul 2012 21:49:49 +0000 (21:49 +0000)]
Add definitions of two subclasses of MipsInstrInfo, MipsInstrInfo (for mips16),
and MipsSEInstrInfo (for mips32/64).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161081
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Akira Hatanaka [Tue, 31 Jul 2012 21:39:17 +0000 (21:39 +0000)]
Delete mips64 target machine classes. mips target machines can be used in place
of them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161080
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Akira Hatanaka [Tue, 31 Jul 2012 21:28:49 +0000 (21:28 +0000)]
Let PEI::calculateFrameObjectOffsets compute the final stack size rather than
computing it in MipsFrameLowering::emitPrologue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161078
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Akira Hatanaka [Tue, 31 Jul 2012 20:54:48 +0000 (20:54 +0000)]
Expand DYNAMIC_STACKALLOC nodes rather than doing custom-lowering.
The frame object which points to the dynamically allocated area will not be
needed after changes are made to cease reserving call frames.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161076
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Manman Ren [Tue, 31 Jul 2012 20:45:38 +0000 (20:45 +0000)]
MachineSink: Sort the successors before trying to find SuccToSinkTo.
Use stable_sort instead of sort. Follow-up to r161062.
rdar://
11980766
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161075
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Jakob Stoklund Olesen [Tue, 31 Jul 2012 20:44:38 +0000 (20:44 +0000)]
Compute instruction depths through the current trace.
Assuming infinite issue width, compute the earliest each instruction in
the trace can issue, when considering the latency of data dependencies.
The issue cycle is record as a 'depth' from the beginning of the trace.
This is half the computation required to find the length of the critical
path through the trace. Heights are next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161074
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Jakob Stoklund Olesen [Tue, 31 Jul 2012 20:25:13 +0000 (20:25 +0000)]
Rename CT -> MTM. MachineTraceMetrics is abbreviated MTM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161072
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Akira Hatanaka [Tue, 31 Jul 2012 19:13:07 +0000 (19:13 +0000)]
Define ADJCALLSTACKDOWN/UP nodes. These nodes are emitted regardless of whether
or not it is in mips16 mode. Define MipsPseudo (mode-independant pseudo) and
PseudoSE (mips32/64 pseudo) classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161071
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Akira Hatanaka [Tue, 31 Jul 2012 18:55:01 +0000 (18:55 +0000)]
Change name of class MipsInst to InstSE to distinguish it from mips16's
instruction class. SE stands for standard encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161069
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Akira Hatanaka [Tue, 31 Jul 2012 18:46:41 +0000 (18:46 +0000)]
When store nodes or memcpy nodes are created to copy the function call
arguments to the stack in MipsISelLowering::LowerCall, use stack pointer and
integer offset operands rather than frame object operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161068
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Chad Rosier [Tue, 31 Jul 2012 18:29:21 +0000 (18:29 +0000)]
[x86 frame lowering] In 32-bit mode, use ESI as the base pointer.
Previously, we were using EBX, but PIC requires the GOT to be in EBX before
function calls via PLT GOT pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161066
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Ted Kremenek [Tue, 31 Jul 2012 18:23:44 +0000 (18:23 +0000)]
Use regex instead of special casing clang and llvm libraries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161065
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Akira Hatanaka [Tue, 31 Jul 2012 18:16:49 +0000 (18:16 +0000)]
Fix type of LUXC1 and SUXC1. These instructions were incorrectly defined as
single-precision load and store.
Also avoid selecting LUXC1 and SUXC1 instructions during isel. It is incorrect
to map unaligned floating point load/store nodes to these instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161063
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Manman Ren [Tue, 31 Jul 2012 18:10:39 +0000 (18:10 +0000)]
MachineSink: Sort the successors before trying to find SuccToSinkTo.
One motivating example is to sink an instruction from a basic block which has
two successors: one outside the loop, the other inside the loop. We should try
to sink the instruction outside the loop.
rdar://
11980766
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161062
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Micah Villmow [Tue, 31 Jul 2012 18:07:43 +0000 (18:07 +0000)]
Conform to LLVM coding style.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161061
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Micah Villmow [Tue, 31 Jul 2012 16:48:03 +0000 (16:48 +0000)]
Don't generate ordered or unordered comparison operations if it is not legal to do so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161053
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Chandler Carruth [Tue, 31 Jul 2012 09:42:24 +0000 (09:42 +0000)]
Implement copy and move assignment for TinyPtrVector. These try to
re-use allocated vectors as much as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161041
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Sylvestre Ledru [Tue, 31 Jul 2012 07:05:57 +0000 (07:05 +0000)]
Fix some minor typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161037
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Craig Topper [Tue, 31 Jul 2012 06:15:39 +0000 (06:15 +0000)]
Use uint8_t to store the InstructionContext table. Saves 768 bytes of static data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161034
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Craig Topper [Tue, 31 Jul 2012 06:02:05 +0000 (06:02 +0000)]
Tidy up. Move for loop index declarations into for statements. Use unsigned instead of uint16_t for loop indices. Use unsigned instead of uint32_t for arguments to raw_ostream.indent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161033
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Craig Topper [Tue, 31 Jul 2012 05:42:02 +0000 (05:42 +0000)]
Tidy up function argument formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161032
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Craig Topper [Tue, 31 Jul 2012 05:28:41 +0000 (05:28 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161031
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Craig Topper [Tue, 31 Jul 2012 05:27:01 +0000 (05:27 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161030
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Craig Topper [Tue, 31 Jul 2012 05:18:26 +0000 (05:18 +0000)]
Make INSTRUCTION_SPECIFIER_FIELDS match X86DisassemblerCommon.h. Also remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161029
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Craig Topper [Tue, 31 Jul 2012 04:58:05 +0000 (04:58 +0000)]
Tidy up trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161027
91177308-0d34-0410-b5e6-
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Craig Topper [Tue, 31 Jul 2012 04:38:27 +0000 (04:38 +0000)]
Tidy up trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161026
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Chandler Carruth [Tue, 31 Jul 2012 04:13:57 +0000 (04:13 +0000)]
Clean up trailing whitespace and unnecessary blank lines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161025
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Chandler Carruth [Tue, 31 Jul 2012 02:48:31 +0000 (02:48 +0000)]
Bring TinyPtrVector under test. Somehow we never picked up unit tests
for this class. These tests exercise most of the basic properties, but
the API for TinyPtrVector is very strange currently. My plan is to start
fleshing out the API to match that of SmallVector, but I wanted a test
for what is there first.
Sadly, it doesn't look reasonable to just re-use the SmallVector tests,
as this container can only ever store pointers, and much of the
SmallVector testing is to get construction and destruction right.
Just to get this basic test working, I had to add value_type to the
interface.
While here I found a subtle bug in the combination of 'erase', 'begin',
and 'end'. Both 'begin' and 'end' wanted to use a null pointer to
indicate the "end" iterator of an empty vector, regardless of whether
there is actually a vector allocated or the pointer union is null.
Everything else was fine with this except for erase. If you erase the
last element of a vector after it has held more than one element, we
return the end iterator of the underlying SmallVector which need not be
a null pointer. Instead, simply use the pointer, and poniter + size()
begin/end definitions in the tiny case, and delegate to the inner vector
whenever it is present.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161024
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Jakob Stoklund Olesen [Tue, 31 Jul 2012 02:47:24 +0000 (02:47 +0000)]
Clear kill flags in removeCopyByCommutingDef().
We are extending live ranges, so kill flags are not accurate. They
aren't needed until they are recomputed after RA anyway.
<rdar://problem/
11950722>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161023
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Manman Ren [Tue, 31 Jul 2012 01:11:07 +0000 (01:11 +0000)]
Reverse order of the two branches at end of a basic block if it is profitable.
We branch to the successor with higher edge weight first.
Convert from
je LBB4_8 --> to outer loop
jmp LBB4_14 --> to inner loop
to
jne LBB4_14
jmp LBB4_8
PR12750
rdar:
11393714
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161018
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Andrew Trick [Mon, 30 Jul 2012 23:48:17 +0000 (23:48 +0000)]
Use the latest MachineRegisterInfo APIs. No functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161010
91177308-0d34-0410-b5e6-
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Andrew Trick [Mon, 30 Jul 2012 23:48:14 +0000 (23:48 +0000)]
Added MachineRegisterInfo::hasOneDef()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161009
91177308-0d34-0410-b5e6-
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Andrew Trick [Mon, 30 Jul 2012 23:48:12 +0000 (23:48 +0000)]
Inline MachineRegisterInfo::hasOneUse
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161007
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Chandler Carruth [Mon, 30 Jul 2012 23:45:06 +0000 (23:45 +0000)]
Extend the InstVisitor to visit the specialized classes wrapping
CallInst for intrinsics. This allows users of the InstVisitor that would
like to special case certain very common intrinsics to do so naturally
in keeping with the type hierarchy's utility classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161006
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 23:15:12 +0000 (23:15 +0000)]
Avoid looking at stale data in verifyAnalysis().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161004
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 23:15:10 +0000 (23:15 +0000)]
Allow traces to enter nested loops.
This lets traces include the final iteration of a nested loop above the
center block, and the first iteration of a nested loop below the center
block.
We still don't allow traces to contain backedges, and traces are
truncated where they would leave a loop, as seen from the center block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161003
91177308-0d34-0410-b5e6-
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Jim Grosbach [Mon, 30 Jul 2012 22:44:17 +0000 (22:44 +0000)]
Keep empty assembly macro argument values in the middle of the list.
Empty macro arguments at the end of the list should be as-if not specified at
all, but those in the middle of the list need to be kept so as not to screw
up the positional numbering. E.g.:
.macro foo
foo_-bash___:
nop
.endm
foo 1, 2, 3, 4
foo 1, , 3, 4
Should create two labels, "foo_1_2_3_4" and "foo_1__3_4".
rdar://
11948769
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161002
91177308-0d34-0410-b5e6-
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Chandler Carruth [Mon, 30 Jul 2012 22:17:52 +0000 (22:17 +0000)]
Move the SmallVector unit tests to be type-parameterized so that we can
test more than a single instantiation of SmallVector.
Add testing for 0, 1, 2, and 4 element sized "small" buffers. These
appear to be essentially untested in the unit tests until now.
Fix several tests to be robust in the face of a '0' small buffer. As
a consequence of this size buffer, the growth patterns are actually
observable in the test -- yes this means that many tests never caused
a grow to occur before. For some tests I've merely added a reserve call
to normalize behavior. For others, the growth is actually interesting,
and so I captured the fact that growth would occur and adjusted the
assertions to not assume how rapidly growth occured.
Also update the specialization for a '0' small buffer length to have all
the same interface points as the normal small vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161001
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 21:16:22 +0000 (21:16 +0000)]
Clarify invalidation strategy in comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160997
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Nick Lewycky [Mon, 30 Jul 2012 21:10:51 +0000 (21:10 +0000)]
Fix grammar-o. Fixes PR13482!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160996
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 21:10:27 +0000 (21:10 +0000)]
Assert that all trace candidate blocks have been visited by the PO.
When computing a trace, all the candidates for pred/succ must have been
visited. Filter out back-edges first, though. The PO traversal ignores
them.
Thanks to Andy for spotting this in review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160995
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 20:57:50 +0000 (20:57 +0000)]
Hook into PassManager's analysis verification.
By overriding Pass::verifyAnalysis(), the pass contents will be verified
by the pass manager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160994
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Pete Cooper [Mon, 30 Jul 2012 20:23:19 +0000 (20:23 +0000)]
Consider address spaces for hashing and CSEing DAG nodes. Otherwise two loads from different x86 segments but the same address would get CSEd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160987
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Eric Christopher [Mon, 30 Jul 2012 20:09:37 +0000 (20:09 +0000)]
Typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160981
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Kevin Enderby [Mon, 30 Jul 2012 18:46:15 +0000 (18:46 +0000)]
Fix a bug in ARMMachObjectWriter::RecordRelocation() in ARMMachObjectWriter.cpp
where the other_half of the movt and movw relocation entries needs to get set
and only with the 16 bits of the other half.
rdar://
10038370
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160978
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 18:34:14 +0000 (18:34 +0000)]
Add MachineInstr::isTransient().
This is a cleaned up version of the isFree() function in
MachineTraceMetrics.cpp.
Transient instructions are very unlikely to produce any code in the
final output. Either because they get eliminated by RegisterCoalescing,
or because they are pseudo-instructions like labels and debug values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160977
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 18:34:11 +0000 (18:34 +0000)]
Add MachineTraceMetrics::verify().
This function verifies the consistency of cached data in the
MachineTraceMetrics analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160976
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 17:36:49 +0000 (17:36 +0000)]
Verify that the CFG hasn't changed during invalidate().
The MachineTraceMetrics analysis must be invalidated before modifying
the CFG. This will catch some of the violations of that rule.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160969
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Jakob Stoklund Olesen [Mon, 30 Jul 2012 17:36:47 +0000 (17:36 +0000)]
Add MachineBasicBlock::isPredecessor().
A->isPredecessor(B) is the same as B->isSuccessor(A), but it can
tolerate a B that is null or dangling. This shouldn't happen normally,
but it it useful for verification code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160968
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Nadav Rotem [Mon, 30 Jul 2012 07:25:20 +0000 (07:25 +0000)]
When constant folding GEP expressions, keep the address space information of pointers.
Together with Ran Chachick <ran.chachick@intel.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160954
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Craig Topper [Mon, 30 Jul 2012 07:14:07 +0000 (07:14 +0000)]
Mark MOVZX16/MOVSX16 as neverHasSideEffects/mayLoad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160953
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Craig Topper [Mon, 30 Jul 2012 06:48:11 +0000 (06:48 +0000)]
Mark MOVZX32_NOREX as isCodeGenOnly and neverHasSideEffects. The isCodeGenOnly change allows special detection of _NOREX instructions to be removed from tablegen disassembler code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160951
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Craig Topper [Mon, 30 Jul 2012 06:27:19 +0000 (06:27 +0000)]
Remove some unnecessary filter checks. They were already covered by IsCodeGenOnly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160950
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Craig Topper [Mon, 30 Jul 2012 05:39:34 +0000 (05:39 +0000)]
Remove check for sub class of X86Inst from filter function since caller guaranteed it. Replace another sub class check with ShouldBeEmitted flag since it was factored in there already.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160949
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Craig Topper [Mon, 30 Jul 2012 05:10:05 +0000 (05:10 +0000)]
Simplify code that filtered certain instructions in two different ways. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160948
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Craig Topper [Mon, 30 Jul 2012 04:53:00 +0000 (04:53 +0000)]
Remove check for f256mem from has256BitOperands as nothing depended on it and it isn't the only 256-bit memory type anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160946
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Craig Topper [Mon, 30 Jul 2012 04:48:12 +0000 (04:48 +0000)]
Remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160945
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Craig Topper [Mon, 30 Jul 2012 02:20:32 +0000 (02:20 +0000)]
Give VCVTTPD2DQ priority over CVTTPD2DQ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160942
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Craig Topper [Mon, 30 Jul 2012 02:14:02 +0000 (02:14 +0000)]
Fix patterns for CVTTPS2DQ to specify SSE2 instead of SSE1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160941
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Craig Topper [Mon, 30 Jul 2012 01:38:57 +0000 (01:38 +0000)]
Fix up patterns for VCVTSS2SD. Specifically give it priority over SSE form. Add an OptForSpeed to explicitly pair up with an OptForSize that was already on another pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160939
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Craig Topper [Sun, 29 Jul 2012 23:26:34 +0000 (23:26 +0000)]
Fix load types on intrinsic forms of SS2SD and SD2SS AVX/SSE convert instruction patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160938
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Craig Topper [Sun, 29 Jul 2012 22:30:06 +0000 (22:30 +0000)]
Move more SSE/AVX convert instruction patterns into their definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160937
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Benjamin Kramer [Sun, 29 Jul 2012 12:33:29 +0000 (12:33 +0000)]
APInt: Simplify code.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160929
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Manman Ren [Sun, 29 Jul 2012 02:44:09 +0000 (02:44 +0000)]
Revert r160920 and r160919 due to dragonegg and clang selfhost failure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160927
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Nick Lewycky [Sun, 29 Jul 2012 01:15:37 +0000 (01:15 +0000)]
Add testcases for GlobalOpt changes in r160693 and r160757.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160925
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Craig Topper [Sat, 28 Jul 2012 18:59:19 +0000 (18:59 +0000)]
Fold patterns for some of the SSE/AVX convert instructions into their instruction definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160922
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Craig Topper [Sat, 28 Jul 2012 18:36:39 +0000 (18:36 +0000)]
Mark some of the SSE/AVX convert instructions as mayLoad/neverHasSideEffects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160921
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Manman Ren [Sat, 28 Jul 2012 17:51:24 +0000 (17:51 +0000)]
X86 Peephole: fold loads to the source register operand if possible.
Trying to fix the bot by specifying a triple in the failing testing cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160920
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Manman Ren [Sat, 28 Jul 2012 16:48:01 +0000 (16:48 +0000)]
X86 Peephole: fold loads to the source register operand if possible.
Machine CSE and other optimizations can remove instructions so folding
is possible at peephole while not possible at ISel.
rdar://
10554090 and rdar://
11873276
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160919
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Craig Topper [Sat, 28 Jul 2012 08:28:23 +0000 (08:28 +0000)]
Make CVTSS2SI instruction definition consistent with CVTSD2SI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160914
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Craig Topper [Sat, 28 Jul 2012 07:59:59 +0000 (07:59 +0000)]
Fix up memory load types for SSE scalar convert intrinsic patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160913
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Manman Ren [Sat, 28 Jul 2012 03:15:46 +0000 (03:15 +0000)]
X86 Peephole: fix PR13475 in optimizeCompare.
It is possible that an instruction can use and update EFLAGS.
When checking the safety, we should check the usage of EFLAGS first before
declaring it is safe to optimize due to the update.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160912
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Andrew Trick [Sat, 28 Jul 2012 01:48:15 +0000 (01:48 +0000)]
Reenable a basic SSA DAG builder optimization.
Jakob fixed ProcessImplicifDefs in r159149.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160910
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Jakob Stoklund Olesen [Fri, 27 Jul 2012 23:58:38 +0000 (23:58 +0000)]
Add more debug output to MachineTraceMetrics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160905
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Jakob Stoklund Olesen [Fri, 27 Jul 2012 23:58:36 +0000 (23:58 +0000)]
Keep track of the head and tail of the trace through each block.
This makes it possible to quickly detect blocks that are outside the
trace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160904
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