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Author SHA1 Message Date
Evan Cheng
521b8b5ef3 Oops. Last second clean up messed things up. 
llvm-svn: 64373
 2009-02-12 09:52:13 +00:00
Evan Cheng
04558ecc90 If availability info is kept when fallthrough into a bb, add the available registers to live-in set. 
llvm-svn: 64372
 2009-02-12 09:43:23 +00:00
Evan Cheng
19a1ba3680 Replace one of burr scheduling heuristic with something more sensible. Now calcMaxScratches simply compute the number of true data dependencies. This actually improve a couple of tests in dejagnu suite as many tests in llvm nightly test suite. 
llvm-svn: 64369
 2009-02-12 08:59:45 +00:00
Julien Lerouge
5d91210214 Fix MingW build: define GTEST_OS_WINDOWS if OS is MingW, but disable 
exceptions.

llvm-svn: 64367
 2009-02-12 08:02:35 +00:00
Julien Lerouge
37d198e8f9 Fix MingW build, patch by Kenneth Boyd! 
llvm-svn: 64366
 2009-02-12 07:39:10 +00:00
Chris Lattner
5babade39e Fix a nasty bug (PR3550) where the inline pass could incorrectly mark 
calls with the tail marker when inlining them through an invoke.  Patch,
testcase, and perfect analysis by Jay Foad!

llvm-svn: 64364
 2009-02-12 07:06:42 +00:00
Chris Lattner
d093b49b81 improve naming of values in GVN, patch by Jay Foad! 
llvm-svn: 64363
 2009-02-12 07:00:35 +00:00
Chris Lattner
e5ec807aaf fix PR3537: if resetting bbi back to the start of a block, we need to 
forget about already inserted expressions.

llvm-svn: 64362
 2009-02-12 06:56:08 +00:00
Chris Lattner
6b7bab07d3 rename test to avoid messing with tab completion of dates. 
llvm-svn: 64361
 2009-02-12 06:54:55 +00:00
Ted Kremenek
5a94b8568b Add method 'isSingleton()' to ImmutableSet. This returns true if the set contains exactly one element. 
llvm-svn: 64359
 2009-02-12 05:17:02 +00:00
Nick Lewycky
1a40fb2473 Don't mark all args to strtod and friends as nocapture. 
llvm-svn: 64352
 2009-02-12 03:18:34 +00:00
Bill Wendling
d31cb3d5aa Move debug loc info along when the spiller creates new instructions. 
llvm-svn: 64342
 2009-02-12 00:02:55 +00:00
Evan Cheng
66989a9108 Apparently some MachineBasicBlock's don't have corresponding llvm basic blocks. 
llvm-svn: 64340
 2009-02-11 23:42:39 +00:00
Evan Cheng
a34255f910 Remove a bogus assertion. It's possible a live-in available value is used by a previous instruction. 
llvm-svn: 64339
 2009-02-11 23:41:57 +00:00
Nate Begeman
9b68eff12e the two non-mask arguments to a shufflevector must be the same width, but they do not have to be the same 
width as the result value.

llvm-svn: 64335
 2009-02-11 22:36:25 +00:00
Dale Johannesen
9a80b9d451 Edit description of floating point constants to 
reflect reality.  Acknowledgements to John Clements
for prodding me into this.

llvm-svn: 64332
 2009-02-11 22:14:51 +00:00
Gabor Greif
5f0aab656e Fill in a glaring omission in derived User classes, namely 
add efficient versions of op_begin and op_end. Up to now always those from User have been
called, which in most cases follow an indirection (OperandList) even if the exact Instruction 
type is known.

llvm-svn: 64331
 2009-02-11 22:09:00 +00:00
Bill Wendling
49baa5465c Propagate DebugLoc info for spiller call-backs. 
llvm-svn: 64329
 2009-02-11 21:51:19 +00:00
Dan Gohman
c4f5d4d35d Fix a comment. 
llvm-svn: 64328
 2009-02-11 21:32:08 +00:00
Dan Gohman
d252329703 Don't use special heuristics for nodes with no data predecessors 
unless they actually have data successors, and likewise for nodes
with no data successors unless they actually have data precessors.

llvm-svn: 64327
 2009-02-11 21:29:39 +00:00
Ted Kremenek
0a2860176f Add FoldingSet profile method for bools. Patch by Ben Laurie! 
llvm-svn: 64324
 2009-02-11 20:53:17 +00:00
Daniel Dunbar
24b91b1a2c Update to match space changes in .ll 
llvm-svn: 64322
 2009-02-11 20:48:21 +00:00
Dan Gohman
35db81715f Delete the heuristic for non-livein CopyFromReg nodes. Non-liveinness 
is determined by whether the node has a Flag operand. However, if the
node does have a Flag operand, it will be glued to its register's
def, so the heuristic would end up spuriously applying to whatever
node is the def.

llvm-svn: 64319
 2009-02-11 20:25:59 +00:00
Dan Gohman
2decb4495d Don't try to set an EFLAGS operand to dead if no instruction was created. 
This fixes a bug introduced by r61215.

llvm-svn: 64316
 2009-02-11 19:50:24 +00:00
Dale Johannesen
f367ef04af Make a transformation added in 63266 a bit less aggressive. 
It was transforming (x&y)==y to (x&y)!=0 in the case where
y is variable and known to have at most one bit set (e.g. z&1).
This is not correct; the expressions are not equivalent when y==0.
I believe this patch salvages what can be salvaged, including
all the cases in bt.ll.  Dan, please review.
Fixes gcc.c-torture/execute/20040709-[12].c

llvm-svn: 64314
 2009-02-11 19:19:41 +00:00
Bill Wendling
dfb5880317 Revert r64300 and r64301. These were causing the following errors respectively: 
During llvm-gcc bootstrap:

Undefined symbols:
  "llvm::FPPassManager::doFinalization(llvm::Module&)", referenced from:
      (anonymous namespace)::CGPassManager::doFinalization(llvm::CallGraph&, llvm::Module&)
        in libLLVMipa.a(CallGraphSCCPass.o)
  "llvm::FPPassManager::doInitialization(llvm::Module&)", referenced from:
      (anonymous namespace)::CGPassManager::doInitialization(llvm::CallGraph&, llvm::Module&)
        in libLLVMipa.a(CallGraphSCCPass.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[3]: *** [/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore.roots/llvmCore~obj/obj-llvm/Release/bin/opt] Error 1

During an LLVM release build:

/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/Release/bin/tblgen -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86 -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target -gen-register-desc -o  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Target/X86/Release/X86GenRegisterInfo.inc.tmp /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86/X86.td
llvm[3]: Building X86.td instruction names with tblgen
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/Release/bin/tblgen -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86 -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target -gen-instr-enums -o  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Target/X86/Release/X86GenInstrNames.inc.tmp /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86/X86.td
llvm[3]: Building X86.td instruction information with tblgen
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/Release/bin/tblgen -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86 -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target -gen-instr-desc -o  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Target/X86/Release/X86GenInstrInfo.inc.tmp /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86/X86.td
llvm[3]: Building X86.td assembly writer with tblgen
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/Release/bin/tblgen -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86 -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target -gen-asm-writer -o  /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Target/X86/Release/X86GenAsmWriter.inc.tmp /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Target/X86/X86.td
llvm[3]: Compiling InstructionCombining.cpp for Release build 
if /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~dst/Developer/usr/bin/llvm-g++-4.2 -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Transforms/Scalar  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -O3  -fno-exceptions  -Woverloaded-virtual -pedantic -Wall -W -Wwrite-strings -Wno-long-long -Wunused -Wno-unused-parameter  -fstrict-aliasing -Wstrict-aliasing -c -MMD -MP -MF "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.d.tmp" -MT "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.lo" -MT "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.o" -MT "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.d" /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/lib/Transforms/Scalar/InstructionCombining.cpp -o /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.o ; \
           then /bin/mv -f "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Transforms/Scalar/Release/InstructionCombining.d.tmp" "/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.sh.build/lib/Trans

llvm-svn: 64311
 2009-02-11 18:19:24 +00:00
Duncan Sands
beb14ee048 Revert r64299: it breaks the build when configured 
without --enable-pic, like my nightly tester.

llvm-svn: 64302
 2009-02-11 13:23:49 +00:00
Duncan Sands
4f3619a28a These uses of "inline" can cause strange link-time 
failures when building with optimization.  Just get
rid of them.

llvm-svn: 64301
 2009-02-11 12:25:15 +00:00
Duncan Sands
e71d1394f6 Make sure the SCC pass manager initializes any contained 
function pass managers.  Without this, simplify-libcalls
would add nocapture attributes when run on its own, but
not when run as part of -std-compile-opts or similar.

llvm-svn: 64300
 2009-02-11 09:58:43 +00:00
Nick Lewycky
37642a4967 Try this. Darwin -> LTO, PIC -> LTO + possibly gold too. 
llvm-svn: 64299
 2009-02-11 08:44:13 +00:00
Evan Cheng
cfa084930b Implement PR3495: local spiller optimization. The local spiller can now keep availability information over BB boundaries. It visits BB's in depth first order. After visiting a BB if it find a successor which has a single predecessor it visits the successor next without clearing the availability information. This allows the successor to omit reloads or change them into copies. 
llvm-svn: 64298
 2009-02-11 08:24:21 +00:00
Dan Gohman
7e48e82adb When scheduling a block in parts, keep track of the overall 
instruction index across each part. Instruction indices are used
to make live range queries, and live ranges can extend beyond
scheduling region boundaries.

Refactor the ScheduleDAGSDNodes class some more so that it
doesn't have to worry about this additional information.

llvm-svn: 64288
 2009-02-11 04:27:20 +00:00
Devang Patel
d363b52c07 62987 disables LTO build on darwin. 
Revert 62987 for now. Nicolas please investigate.

llvm-svn: 64285
 2009-02-11 02:34:33 +00:00
Devang Patel
dd611eac76 If llvm.dbg.region.end is disappearing then remove corresponding llvm.dbg.func.start also. 
llvm-svn: 64278
 2009-02-11 01:29:06 +00:00
Dan Gohman
8adedd1086 Don't print extra spaces in vector and array constants. This makes 
them visually more consistent with vector and array types.

llvm-svn: 64267
 2009-02-11 00:25:25 +00:00
Dan Gohman
74401d22c2 It isn't necessary to explicitly clear the contents of std::vector 
and DenseMap members in a destructor. And tidy up a comment.

llvm-svn: 64265
 2009-02-11 00:18:15 +00:00
Bill Wendling
4ed3ee18ca Don't try to strip a file we just moved. 
llvm-svn: 64263
 2009-02-11 00:14:53 +00:00
Dan Gohman
d5561e2f28 Use iterators to iterate through the Preds array instead of 
an index. This code is on the hot-path because the current
way SDep edges are uniqued has quadratic complexity.

llvm-svn: 64262
 2009-02-11 00:12:28 +00:00
Dan Gohman
0da8292c67 Consider any instruction that modifies the stack pointer to be 
a scheduling region boundary.  This isn't necessary for
correctness; it helps with compile time, as it avoids the need
for data- and anti-dependencies from all spills and reloads on
the stack-pointer modification.

llvm-svn: 64255
 2009-02-10 23:29:38 +00:00
Dan Gohman
f2b9543ee5 Factor out more code for computing register live-range informationfor 
scheduling, and generalize is so that preserves state across
scheduling regions. This fixes incorrect live-range information around
terminators and labels, which are effective region boundaries.

In place of looking for terminators to anchor inter-block dependencies,
introduce special entry and exit scheduling units for this purpose.

llvm-svn: 64254
 2009-02-10 23:27:53 +00:00
Devang Patel
60571be0de Ignore dbg intrinsic while folding unconditional branch. 
llvm-svn: 64242
 2009-02-10 22:14:17 +00:00
Evan Cheng
cdb35e3f0f Handle llvm.x86.sse2.maskmov.dqu in 64-bit. 
llvm-svn: 64240
 2009-02-10 22:06:28 +00:00
Evan Cheng
a1b9cf3143 80 col violations. 
llvm-svn: 64237
 2009-02-10 21:39:44 +00:00
Duncan Sands
8720a7d491 This is now done using a real i33, rather than 
an emulated one.  Adjust the check.

llvm-svn: 64236
 2009-02-10 20:44:15 +00:00
Devang Patel
db7596dbee Use early exits. Reduce indentation. 
llvm-svn: 64226
 2009-02-10 19:28:07 +00:00
Dan Gohman
6a9be2e4ea Use const, to support platforms where strrchr returns a const char *. 
This fixes PR3535.

llvm-svn: 64224
 2009-02-10 17:56:28 +00:00
Dan Gohman
abede9d54b Answer a common FAQ: 
"Can I compile C or C++ code to platform-independent LLVM bitcode?"

llvm-svn: 64222
 2009-02-10 17:26:53 +00:00
Duncan Sands
e0f1fe111b Pacify gcc-4.3 (thinks IsConstant may be used 
uninitialized).

llvm-svn: 64220
 2009-02-10 16:24:55 +00:00
Evan Cheng
5be1afd928 Fix PR3457: Ignore control successors when looking for closest scheduled successor. A control successor doesn't read result(s) produced by the scheduling unit being evaluated. 
llvm-svn: 64210
 2009-02-10 08:30:11 +00:00
Devang Patel
6c041de2ff Do not clone llvm.dbg.func.start and corresponding llvm.dbg.region.end during inlining. 
llvm-svn: 64209
 2009-02-10 07:48:18 +00:00