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Author SHA1 Message Date
Evan Cheng
3bcbccf563 For now, don't split live intervals around x87 stack register barriers. FpGET_ST0_80 must be right after a call instruction (and ADJCALLSTACKUP) so we need to find a way to prevent reload of x87 registers between them. 
llvm-svn: 58230
 2008-10-27 07:14:50 +00:00
Chris Lattner
17afc211e7 Rewrite all the 'PromoteLocallyUsedAlloca[s]' logic. With the power of 
LargeBlockInfo, we can now dramatically simplify their implementation
and speed them up at the same time.  Now the code has time proportional
to the number of uses of the alloca, not the size of the block.

This also eliminates code that tried to batch up different allocas which
are used in the same blocks, and eliminates the 'retry list' logic which
was baroque and no unneccesary.  In addition to being a speedup for crazy
cases, this is also a nice cleanup:

PromoteMemoryToRegister.cpp |  270 +++++++++++++++-----------------------------
 1 file changed, 96 insertions(+), 174 deletions(-)

llvm-svn: 58229
 2008-10-27 07:05:53 +00:00
Chris Lattner
a57ac16183 no need to print output 
llvm-svn: 58228
 2008-10-27 06:56:35 +00:00
Chris Lattner
39c853cf16 Add a new LargeBlockInfo helper, which is just a wrapper around 
a trivial dense map.  Use this in RewriteSingleStoreAlloca to
avoid aggressively rescanning blocks over and over again.  This
fixes PR2925, speeding up mem2reg on the testcase in that bug
from 4.56s to 0.02s in a debug build on my machine.

llvm-svn: 58227
 2008-10-27 06:05:26 +00:00
Chris Lattner
7351188cb9 mention getresult -> extractvalue (PR2935) 
llvm-svn: 58226
 2008-10-27 04:39:23 +00:00
Dale Johannesen
d0a0ce909b Increase default setting of tail-merge-threshold to 
150, based on llvm-test measurements.

llvm-svn: 58225
 2008-10-27 02:10:21 +00:00
Nick Lewycky
6288e2288d Remove -check-exit-code from bugpoint. This is subsumed by -append-exit-code. 
Note that -check-exit-code was on by default while -append-exit-code is not.

llvm-svn: 58221
 2008-10-26 23:59:36 +00:00
Chris Lattner
3fed68158c fix PR2953, an off-by-one error handling formatted i/o. 
Thanks to Török Edwin for the awesome reduced testcase.

llvm-svn: 58199
 2008-10-26 19:20:47 +00:00
Chris Lattner
9737bef5a1 remove eh output from this test. 
llvm-svn: 58196
 2008-10-26 18:53:07 +00:00
Cedric Venet
f75bc692bb Add a default constructor to AsmWriterOperand to make VS2008sp1 happy. (AsmWriterOperand is used in a std::pair, and VS need to generate the default constructor of this pair). 
llvm-svn: 58185
 2008-10-26 15:40:44 +00:00
Evan Cheng
8a7f04e7c2 Do not shrink wrap live interval in a mbb if it's livein any of its successor blocks. The mbb can be revisited again after all of the successors are processed. 
llvm-svn: 58184
 2008-10-26 07:49:03 +00:00
Oscar Fuentes
791d14f571 Return something (i.e. NULL) from an unimplemented virtual function. 
llvm-svn: 58183
 2008-10-26 04:26:33 +00:00
Oscar Fuentes
1fcfb67930 CMake: If we have clang' under the tools/' subdirectory, add it to 
the build.

llvm-svn: 58179
 2008-10-26 00:52:09 +00:00
Oscar Fuentes
7fa2179afa CMake: Support for LLVM_USED_LIBS variable, which is the cmake 
counterpart of USED_LIBS.

llvm-svn: 58178
 2008-10-26 00:51:05 +00:00
Oscar Fuentes
8286c161d3 CMake: Removed unnecessary macro definitions. They are defined in 
config.h

llvm-svn: 58177
 2008-10-26 00:50:03 +00:00
Oscar Fuentes
a96ce230e0 CMake: GetTargetTriple: new module for determining the target 
triple. Assign to LLVM_HOSTTRIPLE so it figures in config.h.

llvm-svn: 58176
 2008-10-26 00:47:52 +00:00
Bill Wendling
617f3d4b3a Fix type-o in ExprMapKeyType::operator ==(). The "&&" was missing. 
Patch by Frits van Bommel!

llvm-svn: 58175
 2008-10-26 00:19:56 +00:00
Evan Cheng
db1c135283 Handle cases where there aren't uses in the barrier mbb. 
llvm-svn: 58174
 2008-10-25 23:49:39 +00:00
Evan Cheng
7156715793 Add storeRegTo{StackSlot|Addr} and loadRegFrom{StackSlot|Addr} descriptions. 
llvm-svn: 58164
 2008-10-25 23:08:22 +00:00
Dan Gohman
64431fe1db Make comments and code for QuietWarnings and QuietErrors 
actually correspond to what their names suggest.

llvm-svn: 58146
 2008-10-25 17:57:20 +00:00
Dan Gohman
e7c43e94b0 SDNodes may have at most one Flag result. Update this comment 
to reflect that.

llvm-svn: 58145
 2008-10-25 17:51:24 +00:00
Dan Gohman
66e878f316 Move the code that adds the DeadMachineInstructionElimPass from 
target-independent code to target-specific code. This prevents it
from running on targets that aren't using fast-isel.

In addition to saving compile time, this addresses the problem
that not all targets are prepared for it. In order to use this
pass, all instructions must declare all their fixed uses and
defs of physical registers.

llvm-svn: 58144
 2008-10-25 17:46:52 +00:00
Gordon Henriksen
e5b0182e94 Related to PR2911, reject as invalid non-pointer GC roots. 
llvm-svn: 58143
 2008-10-25 16:28:35 +00:00
Nicolas Geoffray
ce30b5caf0 Support for allocation of TLS variables in the JIT. Allocation of a global 
variable is moved to the execution engine. The JIT calls the TargetJITInfo
to allocate thread local storage. Currently, only linux/x86 knows how to
allocate thread local global variables.

llvm-svn: 58142
 2008-10-25 15:41:43 +00:00
Nicolas Geoffray
323dc44a69 Generate code for TLS instructions. 
llvm-svn: 58141
 2008-10-25 15:22:06 +00:00
Bruno Cardoso Lopes
5a4985a242 Added MIPS release notes. 
llvm-svn: 58139
 2008-10-25 14:56:26 +00:00
Oscar Fuentes
995841f983 CMake: Directed bug reports to llvmbugs. 
llvm-svn: 58134
 2008-10-25 03:49:35 +00:00
Oscar Fuentes
51e77b801a CMake: lib/Target/ARM/AsmPrinter/CMakeLists.txt added. 
llvm-svn: 58133
 2008-10-25 03:40:32 +00:00
Oscar Fuentes
edaf4cded2 CMake: MSVC++ no longer uses a special configuration method. 
llvm-svn: 58132
 2008-10-25 03:29:36 +00:00
Oscar Fuentes
5021ba82e0 CMake: Sync'ed DataTypes.h.cmake with DataTypes.h.in. 
llvm-svn: 58131
 2008-10-25 03:25:11 +00:00
Oscar Fuentes
64fd2ab298 CMake: Cross-platform support for using pre-generated llvmAsmParser.cpp and llvmAsmParser.h. 
llvm-svn: 58130
 2008-10-25 03:19:08 +00:00
Evan Cheng
0c78ace7dc If val# def is ~0U, meaning it's defined by a PHI, and it's previously split, spill before the barrier because it's impossible to determine if all the defs are spilled in the same spill slot. 
llvm-svn: 58129
 2008-10-25 00:52:41 +00:00
Dale Johannesen
20f93b45e7 Mark MFCR as reading all condition code registers. 
Prevents some more overzealous deletions (mostly
in AltiVec code).

llvm-svn: 58121
 2008-10-24 22:08:01 +00:00
Dale Johannesen
a3d7e7e900 Rewrite logic to figure out whether LR needs to 
be saved/restored in the prolog/epilog.  We need
to do this iff something in the function stores
into it.

llvm-svn: 58116
 2008-10-24 21:24:23 +00:00
Dale Johannesen
834f23dbed Be kind to non-x86 hosts. 
llvm-svn: 58113
 2008-10-24 21:20:25 +00:00
Torok Edwin
e0ecce06a0 move the note to the correct README 
llvm-svn: 58104
 2008-10-24 19:23:07 +00:00
Torok Edwin
5560590122 add note about va_arg code on x86 and x86-64 
llvm-svn: 58103
 2008-10-24 19:20:05 +00:00
Evan Cheng
cfd2ecd29f Fix a pasto. 
llvm-svn: 58102
 2008-10-24 18:46:44 +00:00
Duncan Sands
4b148a29ef Fix translateX86CC: if SetCCOpcode is SETULE and 
LHS is a foldable load, then LHS and RHS are swapped
and SetCCOpcode is changed to SETUGT.  But the later
code is expecting operands to be the wrong way round
for SETUGT, but they are not in this case, resulting
in an inverted compare.  The solution is to move the
load normalization before the correction for SETUGT.
This bug was tickled by LegalizeTypes which happened
to legalize the testcase slightly differently to
LegalizeDAG.

llvm-svn: 58092
 2008-10-24 13:03:10 +00:00
Cedric Venet
c5bd480a57 Modify the cmake build system so that if it doesn't find bison, it will use the pregenerated file in from the svn (.cvs). Work only for windows for the moment. Tested on Vista64 with MSVC2008express. 
llvm-svn: 58090
 2008-10-24 11:24:33 +00:00
Steve Naroff
c20185c7ef Add a file to VC++ proj. 
llvm-svn: 58089
 2008-10-24 10:38:57 +00:00
Nick Lewycky
44356e13da Don't try to create a mask when we don't need one. Fixes a crash. 
llvm-svn: 58075
 2008-10-24 06:14:27 +00:00
Evan Cheng
efb8edb805 Fix a end() dereference; remove an abort() that wasn't meant to be left in. 
llvm-svn: 58072
 2008-10-24 05:53:44 +00:00
Nick Lewycky
3d4f21006b Add value range analyzing of Add and Sub. 
Understand that mul %x, 1 = %x.

llvm-svn: 58069
 2008-10-24 04:00:26 +00:00
Evan Cheng
a7a0aabf99 Avoid splitting an interval multiple times; avoid splitting re-materializable val# (for now). 
llvm-svn: 58068
 2008-10-24 02:05:00 +00:00
Dan Gohman
ed90fd3ecf Fix constant-offset emission for x86-64 absolute addresses. This 
fixes a bunch of test-suite JIT failures on x86-64 in
-relocation-model=static mode.

llvm-svn: 58066
 2008-10-24 01:57:54 +00:00
Steve Naroff
822787593f Add file to VC++ project. 
llvm-svn: 58060
 2008-10-24 01:21:47 +00:00
Dale Johannesen
9edd60f710 Initialize uninitialized variable. 
llvm-svn: 58057
 2008-10-24 01:06:58 +00:00
Ted Kremenek
b04b85f615 Added raw_fd_ostream::close(). 
llvm-svn: 58052
 2008-10-23 23:49:09 +00:00
Steve Naroff
ea17111230 Changes to make the Windows build work... 
- Add a file to the VC++ project.
- Make sure the clang driver links against the Transforms library.
- Incorporate changes from patch by Dan Gohman.

llvm-svn: 58048
 2008-10-23 23:28:23 +00:00