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Author SHA1 Message Date
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
Devang Patel
7377e7aa89 Enable scalar replacement of AllocaInst whose one of the user is dbg info. 
llvm-svn: 64207
 2009-02-10 07:00:59 +00:00
Devang Patel
0cb3e1c047 Validate file id. 
llvm-svn: 64204
 2009-02-10 06:04:08 +00:00
Sanjiv Gupta
abf1d4e9db Function temporaries can not overlap with retval or args.See the comment in source code to know the reason. Anything having .auto. in its name is local to a function in nature irrespective of the linkage specified. print static local variables in module level IDATA section. 
llvm-svn: 64199
 2009-02-10 04:20:26 +00:00
Evan Cheng
3b84024598 Implement FpSET_ST1_*. 
llvm-svn: 64186
 2009-02-09 23:32:07 +00:00
Evan Cheng
acd0fd545d If the target cannot issue a copy for the given source and dest registers, abort instead of silently continue. 
llvm-svn: 64184
 2009-02-09 22:47:36 +00:00
Dale Johannesen
ef9b8f0d4c Fix PR 3471, and some cleanups. 
llvm-svn: 64177
 2009-02-09 22:14:15 +00:00
Evan Cheng
773303a763 Simplify code. 
llvm-svn: 64164
 2009-02-09 21:01:06 +00:00
Evan Cheng
44e58653af Make sure constant subscript is truncated to ptr size if it may not fit. 
llvm-svn: 64163
 2009-02-09 20:54:38 +00:00
Gabor Greif
f47945d757 incorporate review feedback 
llvm-svn: 64158
 2009-02-09 20:27:45 +00:00
Dan Gohman
548d7c9145 Use doxygen comment syntax. 
llvm-svn: 64150
 2009-02-09 18:12:09 +00:00
Dan Gohman
b7e521e39d Use slightly more correct grammar in error messages. 
llvm-svn: 64148
 2009-02-09 17:41:21 +00:00
Mikhail Glushenkov
bcf9e92ecf 80-column violations. 
llvm-svn: 64147
 2009-02-09 17:11:05 +00:00
Gabor Greif
5de6cc843a make sure that BranchInst::getSuccessor() does not assert in cast<> 
even if the underlying operand is NULL. This may happen in debugging context
within opt with partial loop unrolling (see test/Transforms/LoopUnroll/partial.ll).
After this fix I can resubmit the (backed out) r63459:
* lib/VMCore/AsmWriter.cpp: use precise accessors.

llvm-svn: 64142
 2009-02-09 15:45:06 +00:00
Bill Wendling
6ef1b025ba Fix comment. 
llvm-svn: 64137
 2009-02-09 12:31:40 +00:00
Bill Wendling
a03453cace These function return 'void'. Don't have 'return' return anything. 
llvm-svn: 64136
 2009-02-09 12:31:26 +00:00
Chris Lattner
62e48b2e3b fix typo, patch by Jonathan Brandmeyer! 
llvm-svn: 64132
 2009-02-09 10:00:56 +00:00
Duncan Sands
a55da8836c Testcase for PR2437. 
llvm-svn: 64131
 2009-02-09 09:41:49 +00:00
Evan Cheng
3f98669da2 Re-enable machine sinking pass now that the coalescer bugs and the AnalyzeBrnach bug are fixed. 
llvm-svn: 64126
 2009-02-09 08:45:39 +00:00
Evan Cheng
2a6fc3cd40 Fix another case ShortenDeadCopySrcLiveRange is shortening too much. No test case possible since I don't know what to grep for. :-( 
llvm-svn: 64125
 2009-02-09 08:37:45 +00:00
Evan Cheng
9dc1507838 Turns out AnalyzeBranch can modify the mbb being analyzed. This is a nasty 
suprise to some callers, e.g. register coalescer. For now, add an parameter
that tells AnalyzeBranch whether it's safe to modify the mbb. A better
solution is out there, but I don't have time to deal with it right now.

llvm-svn: 64124
 2009-02-09 07:14:22 +00:00
Bill Wendling
f9d81f44cf Strip the LTO dylib. 
llvm-svn: 64119
 2009-02-09 06:42:40 +00:00
Bill Wendling
3f8a7a8f5d Small fix for the 'strip' command. Do a list of .so files. 
llvm-svn: 64112
 2009-02-09 04:01:11 +00:00
Evan Cheng
d040b30c1d Eliminate a 'control reaches end of non-void function' warning. 
llvm-svn: 64111
 2009-02-09 03:07:24 +00:00
Bill Wendling
d8f6731440 Don't run 'strip' on files that aren't there. 
llvm-svn: 64108
 2009-02-09 02:18:35 +00:00