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Author SHA1 Message Date
Evan Cheng
d37c13cfd1 - Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction. 
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:32:35 +00:00
Evan Cheng
97c573d5de Fix a thinko. MO is getOperand(i-1) so we don't have to adjust e. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:25:51 +00:00
Dan Gohman
40362067de Add #include <climits> to get the definition of INT_MAX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:41:34 +00:00
Dan Gohman
a1e6d363e5 Factor out the code for verifying the work of the scheduler, 
extend it a bit, and make use of it in all schedulers, to
ensure consistent checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:26:25 +00:00
Devang Patel
f23de86fa3 Do not forget llvm.dbg.declare's first argument while removing debugging information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:20:42 +00:00
Bill Wendling
ce5ac1606f Copy the tblgen utility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 00:11:57 +00:00
Dan Gohman
cdb260de83 Simplify this code a little. In the fast scheduler, CreateNewSUnit 
and CreateClone don't add any extra value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:39:02 +00:00
Evan Cheng
e3066abfcf Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:21:33 +00:00
Evan Cheng
eda60a8364 Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:21:11 +00:00
Dan Gohman
343f0c0467 Experimental post-pass scheduling support. Post-pass scheduling 
is currently off by default, and can be enabled with
-disable-post-RA-scheduler=false.

This doesn't have a significant impact on most code yet because it doesn't
yet do anything to address anti-dependencies and it doesn't attempt to
disambiguate memory references. Also, several popular targets
don't have pipeline descriptions yet.

The majority of the changes here are splitting the SelectionDAG-specific
code out of ScheduleDAG, so that ScheduleDAG can be moved to
libLLVMCodeGen.a. The interface between ScheduleDAG-using code and
the rest of the scheduling code is somewhat rough and will evolve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:18:57 +00:00
Dan Gohman
7d1cd3f21d Move the code for printing a graph node label for an SUnit into 
a virtual method of SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 22:09:45 +00:00
Dan Gohman
252ae9e8ae Convert SUnit's dump method into a print method and implement 
dump in terms of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59665 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 21:32:03 +00:00
Oscar Fuentes
eb22065a35 CMake: Removed source file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:32:19 +00:00
Devang Patel
dfca407c79 Do not use separate utility to walk all instructions and remove dead dbg intrinsics. Let instcombiner do this job. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:01:37 +00:00
Devang Patel
b8f69c65df Let instcombiner remove redundant dbg intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:59:41 +00:00
Devang Patel
7fe1decf3a If there are two consecutive llvm.dbg.stoppoint calls then 
it is likely that the optimizer deleted code in between these
two intrinsics. Keep only the last llvm.dbg.stoppoint in this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:56:50 +00:00
Oscar Fuentes
57cbd99d5d CMake: Removed source file from lib/Target/PIC16/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59655 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:42:25 +00:00
Scott Michel
719b0e17ae CellSPU: Do not custom lower i1 stores, rely on type legalization to do the 
right thing and promote the store to i8.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:45:08 +00:00
Stuart Hastings
be362abe9c <rdar://problem/6351057> 
Discourage (allocate last) use of x86_64 R12 and R13 due to their
longer instruction encodings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59644 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:19:35 +00:00
Andrew Lenharth
0c6ba44890 ignore the -m elf_i386 directive used in the linux kernel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59642 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:00:08 +00:00
Dan Gohman
8b677d0b88 Revert r59640. It broke this test for builds that aren't 
configured with llvm-gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 16:24:37 +00:00
Dan Gohman
c738ac1d5d Use %llvmgcc -xassembler instead of invoking as directly. This avoids 
problems for example when LLVM is built with --with-extra-options=-m64
and as defaults to x86-32 mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59640 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 16:02:14 +00:00
Scott Michel
430a555cdd Temporary check-in for Duncan to demonstrate CellSPU store problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59637 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 15:24:16 +00:00
Argyrios Kyrtzidis
3713c0ba62 Fix compilation error on MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59629 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 12:56:21 +00:00
Sanjiv Gupta
928df6ca4e Forgot to add this in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 12:12:49 +00:00
Sanjiv Gupta
863d3e9328 Fixed build warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59621 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 11:27:59 +00:00
Sanjiv Gupta
b1b5ffd827 Added a more function PIC16 backend. However to get this working a patch in 
ExpandIntegerOperand (LegalizeIntegerTypes.cpp) is needed which is yet to be reworked and submitted. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59617 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 11:00:54 +00:00
Bill Wendling
2f45f9762d Use stripPointerCasts when checking for AllocaInsts for the stackprotector intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59614 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 09:17:16 +00:00
Sanjiv Gupta
021f3f252e Int type for PIC16 is i16. Added i16 intrinsics for memmove, memcpy and memset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 08:50:17 +00:00
Chris Lattner
16062ca93a add a write method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59595 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 06:45:06 +00:00
Bill Wendling
69e4adb22e - Move the stackprotector intrinsic to the general section. 
- Rewrite the sentence to make it look as if English is my first language.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59592 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 05:56:17 +00:00
Owen Anderson
75fa96bb71 Add support for rematerialization in pre-alloc-splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59587 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 04:28:29 +00:00
Daniel Dunbar
911cfdb7d7 LLVMC2: -emit-llvm stops compilation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 04:15:56 +00:00
Daniel Dunbar
ff6477b720 LLVMC2: Teach llvm_gcc_c tool about -include and -fsyntax-only. 
- Only focusing on llvm_gcc_c for now, eventually this needs to be
   refactored so it can be shared via all the gcc-like tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:59:00 +00:00
Daniel Dunbar
607d6bb819 Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59581 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:37:39 +00:00
Dan Gohman
c2f9062ea4 Rearrange code to reduce the nesting level. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59580 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:00:32 +00:00
Bill Wendling
9173383e4e Use dyn_cast instead of cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59577 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 01:25:41 +00:00
Bill Wendling
bccdcca7d1 Match an element of the return type if it returns a structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 01:15:05 +00:00
Devang Patel
fb5fd5a0bb Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59570 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:22:02 +00:00
Devang Patel
b876cc193c Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:19:18 +00:00
Oscar Fuentes
6307b9440a CMake: Support for building 32 bits shared libraries on 64 bits GNU 
systems. BUILD_32_BITS option renamed to LLVM_BUILD_32_BITS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59568 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:10:39 +00:00
Dan Gohman
06da2bc19f Fix debug printing of flagged SDNodes in SUnits so that they 
print in the correct order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:04:44 +00:00
Evan Cheng
3a5b020292 Make the same change to RegScavenger::backward. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59566 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:54:01 +00:00
Oscar Fuentes
4b442836fc CMake: Option for enabling/disabling threads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59565 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:45:21 +00:00
Bill Wendling
c5b795e8ce Verify that the second parameter of the stacprotector intrinsic is an alloca 
instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59563 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:09:31 +00:00
Evan Cheng
63a431c670 We also need to keep the operand index for two address check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:56:19 +00:00
Evan Cheng
9c64bf3905 Register scavenger should process early clobber defs first. A dead early clobber def should not interfere with a normal def which happens one slot later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59559 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:28:38 +00:00
Evan Cheng
01f63cdb04 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:27:13 +00:00
Bill Wendling
3c44f5bec9 Documentation for the llvm.stackprotector intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59557 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:10:53 +00:00
Devang Patel
f17fc461d1 Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:34:39 +00:00