oota-llvm.git
13 years agoAdd missing standard headers. Patch by Joerg Sonnenberger!
Nick Lewycky [Sun, 19 Dec 2010 20:43:38 +0000 (20:43 +0000)]
Add missing standard headers. Patch by Joerg Sonnenberger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122193 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd missing std:: prefixes to some calls. C++ doesn't require that <cfoo>
Nick Lewycky [Sun, 19 Dec 2010 20:42:43 +0000 (20:42 +0000)]
Add missing std:: prefixes to some calls. C++ doesn't require that <cfoo>
headers provide symbols outside namespace std and the LLVM coding standards
state that we should prefix all of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122192 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoteach MaskedValueIsZero how to analyze ADDE. This is
Chris Lattner [Sun, 19 Dec 2010 20:38:28 +0000 (20:38 +0000)]
teach MaskedValueIsZero how to analyze ADDE.  This is
enough to teach it that ADDE(0,0) is known 0 except the
low bit, for example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122191 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotidy up
Chris Lattner [Sun, 19 Dec 2010 20:24:28 +0000 (20:24 +0000)]
tidy up

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122190 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agonow that generic vector types aren't selected onto MMX operations,
Chris Lattner [Sun, 19 Dec 2010 20:19:20 +0000 (20:19 +0000)]
now that generic vector types aren't selected onto MMX operations,
we don't need -disable-mmx anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122189 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agonow that generic vector types aren't selected onto MMX registers, these
Chris Lattner [Sun, 19 Dec 2010 20:12:58 +0000 (20:12 +0000)]
now that generic vector types aren't selected onto MMX registers, these
tests don't need -disable-mmx.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122188 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoreduce copy/paste programming with the power of for loops.
Chris Lattner [Sun, 19 Dec 2010 20:07:10 +0000 (20:07 +0000)]
reduce copy/paste programming with the power of for loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122187 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoX86 supports i8/i16 overflow ops (except i8 multiplies), we should
Chris Lattner [Sun, 19 Dec 2010 20:03:11 +0000 (20:03 +0000)]
X86 supports i8/i16 overflow ops (except i8 multiplies), we should
generate them.

Now we compile:

define zeroext i8 @X(i8 signext %a, i8 signext %b) nounwind ssp {
entry:
  %0 = tail call %0 @llvm.sadd.with.overflow.i8(i8 %a, i8 %b)
  %cmp = extractvalue %0 %0, 1
  br i1 %cmp, label %if.then, label %if.end

into:

_X:                                     ## @X
## BB#0:                                ## %entry
subl $12, %esp
movb 16(%esp), %al
addb 20(%esp), %al
jo LBB0_2

Before we were generating:

_X:                                     ## @X
## BB#0:                                ## %entry
pushl %ebp
movl %esp, %ebp
subl $8, %esp
movb 12(%ebp), %al
testb %al, %al
setge %cl
movb 8(%ebp), %dl
testb %dl, %dl
setge %ah
cmpb %cl, %ah
sete %cl
addb %al, %dl
testb %dl, %dl
setge %al
cmpb %al, %ah
setne %al
andb %cl, %al
testb %al, %al
jne LBB0_2

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122186 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a general coverage test for overflow intrinsics.
Chris Lattner [Sun, 19 Dec 2010 20:01:13 +0000 (20:01 +0000)]
add a general coverage test for overflow intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122185 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomove a transformation to a more logical place, simplifying it.
Chris Lattner [Sun, 19 Dec 2010 19:43:52 +0000 (19:43 +0000)]
move a transformation to a more logical place, simplifying it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122183 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorecognize an unsigned add with overflow idiom into uadd.
Chris Lattner [Sun, 19 Dec 2010 19:37:52 +0000 (19:37 +0000)]
recognize an unsigned add with overflow idiom into uadd.
This resolves a README entry and technically resolves PR4916,
but we still get poor code for the testcase in that PR because
GVN isn't CSE'ing uadd with add, filed as PR8817.

Previously we got:

_test7:                                 ## @test7
addq %rsi, %rdi
cmpq %rdi, %rsi
movl $42, %eax
cmovaq %rsi, %rax
ret

Now we get:

_test7:                                 ## @test7
addq %rsi, %rdi
movl $42, %eax
cmovbq %rsi, %rax
ret

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122182 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agooptimize uadd(x, cst) into a comparison when the normal
Chris Lattner [Sun, 19 Dec 2010 19:35:32 +0000 (19:35 +0000)]
optimize uadd(x, cst) into a comparison when the normal
result is dead.  This is required for my next patch to not
regress the testsuite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122181 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoadd a version of IRBuilder::SetInsertPoint that takes an instruction.
Chris Lattner [Sun, 19 Dec 2010 19:16:22 +0000 (19:16 +0000)]
add a version of IRBuilder::SetInsertPoint that takes an instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122180 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agouse IC.ReplaceInstUsesWith instead of a raw RAUW so that uses of
Chris Lattner [Sun, 19 Dec 2010 18:38:44 +0000 (18:38 +0000)]
use IC.ReplaceInstUsesWith instead of a raw RAUW so that uses of
the old thing end up on the instcombine worklist.  Not doing this
can cause an extra top-level iteration of instcombine, burning
compile time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122179 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agogeneralize the sadd creation code to not require that the
Chris Lattner [Sun, 19 Dec 2010 18:35:09 +0000 (18:35 +0000)]
generalize the sadd creation code to not require that the
sadd formed is half the size of the original type. We can
now compile this into a sadd.i8:

unsigned char X(char a, char b) {
  int res = a+b;
  if ((unsigned )(res+128) > 255U)
    abort();
  return res;
}

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122178 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix another miscompile in the llvm.sadd formation logic: it wasn't
Chris Lattner [Sun, 19 Dec 2010 18:22:06 +0000 (18:22 +0000)]
fix another miscompile in the llvm.sadd formation logic: it wasn't
checking to see if the high bits of the original add result were dead.
Inserting a smaller add and zexting back to that size is not good enough.

This is likely to be the fix for 8816.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122177 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove some checks for StrongPHIElim. These checks make it impossible to use an
Cameron Zwarich [Sun, 19 Dec 2010 18:03:27 +0000 (18:03 +0000)]
Remove some checks for StrongPHIElim. These checks make it impossible to use an
alternative register allocator that does not require LiveIntervals by specifying
it on the command-line for a target that has StrongPHIElimination enabled by
default.

These checks are pretty meaningless anyways, since StrongPHIElimination and
PHIElimination are never used at the same time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122176 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix a bug (possibly 8816) in the sadd forming xform: it isn't
Chris Lattner [Sun, 19 Dec 2010 17:59:02 +0000 (17:59 +0000)]
fix a bug (possibly 8816) in the sadd forming xform: it isn't
profitable (or safe) to promote code when the add-with-constant
has other uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122175 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorework the code added in r122072 to pull it out to its own
Chris Lattner [Sun, 19 Dec 2010 17:52:50 +0000 (17:52 +0000)]
rework the code added in r122072 to pull it out to its own
helper function, clean up comments, and reduce indentation.
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122174 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoEnhance LICM to promote alias sets whose pointers themselves are stored,
Chris Lattner [Sun, 19 Dec 2010 05:57:25 +0000 (05:57 +0000)]
Enhance LICM to promote alias sets whose pointers themselves are stored,
which doesn't affect the memory address being promoted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122172 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix PR8602, a bug in an assertion: a volatile store *of* a pointer
Chris Lattner [Sun, 19 Dec 2010 05:51:54 +0000 (05:51 +0000)]
fix PR8602, a bug in an assertion: a volatile store *of* a pointer
does not make the alias set for that pointer volatile, just stores
*to* the pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122171 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix PR8642: if a critical edge has a PHI value that can trap,
Chris Lattner [Sun, 19 Dec 2010 04:58:57 +0000 (04:58 +0000)]
fix PR8642: if a critical edge has a PHI value that can trap,
isel is *required* to split the edge.  PHI values get evaluated
on the edge, not in their predecessor block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122170 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoremove dead header
Chris Lattner [Sun, 19 Dec 2010 04:49:11 +0000 (04:49 +0000)]
remove dead header

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122169 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorevert r122164, I'm going to go with a different approach.
Chris Lattner [Sun, 19 Dec 2010 04:23:03 +0000 (04:23 +0000)]
revert r122164, I'm going to go with a different approach.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122168 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFixed version of 122160 (the previous one would fold undefined symbols).
Rafael Espindola [Sun, 19 Dec 2010 04:18:56 +0000 (04:18 +0000)]
Fixed version of 122160 (the previous one would fold undefined symbols).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122167 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert 122160 while I debug it.
Rafael Espindola [Sun, 19 Dec 2010 03:22:05 +0000 (03:22 +0000)]
Revert 122160 while I debug it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122165 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofirst step to fixing PR8642: don't fold away empty basic blocks
Chris Lattner [Sun, 19 Dec 2010 03:02:34 +0000 (03:02 +0000)]
first step to fixing PR8642: don't fold away empty basic blocks
which have trapping constant exprs in them due to PHI nodes.
Eliminating them can cause the constant expr to be evalutated
on new paths if the input edges are critical.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122164 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agomove this test into the ARM test so that it is only run when the arm backend
Chris Lattner [Sun, 19 Dec 2010 02:58:14 +0000 (02:58 +0000)]
move this test into the ARM test so that it is only run when the arm backend
is enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122163 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove all folding to AttemptToFoldSymbolOffsetDifference.
Rafael Espindola [Sun, 19 Dec 2010 02:15:04 +0000 (02:15 +0000)]
Move all folding to AttemptToFoldSymbolOffsetDifference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122160 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Clarify deprecation warning.
Michael J. Spencer [Sat, 18 Dec 2010 22:23:24 +0000 (22:23 +0000)]
Support/PathV1: Clarify deprecation warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122159 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix whitespace.
Michael J. Spencer [Sat, 18 Dec 2010 22:23:15 +0000 (22:23 +0000)]
Fix whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122158 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Deprecate get{Basename,Dirname,Suffix}.
Michael J. Spencer [Sat, 18 Dec 2010 22:23:07 +0000 (22:23 +0000)]
Support/PathV1: Deprecate get{Basename,Dirname,Suffix}.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122157 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agosimplify this a bit.
Chris Lattner [Sat, 18 Dec 2010 20:22:49 +0000 (20:22 +0000)]
simplify this a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122156 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRestore the behavior of frame lowering before my refactoring.
Anton Korobeynikov [Sat, 18 Dec 2010 19:53:14 +0000 (19:53 +0000)]
Restore the behavior of frame lowering before my refactoring.
It turns out that ppc backend has really weird interdependencies
over different hooks and all stuff is fragile wrt small changes.
This should fix PR8749

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122155 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoJust rename the functions, relying on matching a instruction that has the same name...
Benjamin Kramer [Sat, 18 Dec 2010 14:23:57 +0000 (14:23 +0000)]
Just rename the functions, relying on matching a instruction that has the same name as a symbol is way too fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122154 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTest more than just label names and make test work on non-x86 hosts.
Benjamin Kramer [Sat, 18 Dec 2010 14:07:28 +0000 (14:07 +0000)]
Test more than just label names and make test work on non-x86 hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122153 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoHeader warning patrol.
Eric Christopher [Sat, 18 Dec 2010 10:54:29 +0000 (10:54 +0000)]
Header warning patrol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122152 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for lexing single quotes like 'c'.
Roman Divacky [Sat, 18 Dec 2010 08:56:37 +0000 (08:56 +0000)]
Add support for lexing single quotes like 'c'.

This fixed 8615.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122150 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r122143 through r122140, which collectively broke the LLVMC tests on
Owen Anderson [Sat, 18 Dec 2010 07:37:18 +0000 (07:37 +0000)]
Revert r122143 through r122140, which collectively broke the LLVMC tests on
the buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122149 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMerge isAbsolute into IsSymbolRefDifferenceFullyResolved.
Rafael Espindola [Sat, 18 Dec 2010 06:27:54 +0000 (06:27 +0000)]
Merge isAbsolute into IsSymbolRefDifferenceFullyResolved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122148 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove the MCObjectFormat class.
Rafael Espindola [Sat, 18 Dec 2010 05:37:28 +0000 (05:37 +0000)]
Remove the MCObjectFormat class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122147 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a test that shows that we produce no fixups when computing the difference
Rafael Espindola [Sat, 18 Dec 2010 05:07:45 +0000 (05:07 +0000)]
Add a test that shows that we produce no fixups when computing the difference
of two symbols in the same fragment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122145 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a FIXME and explain a hack.
Rafael Espindola [Sat, 18 Dec 2010 04:19:20 +0000 (04:19 +0000)]
Add a FIXME and explain a hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122144 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Clarify deprecation warning.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:54 +0000 (04:13 +0000)]
Support/PathV1: Clarify deprecation warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122143 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix whitespace.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:46 +0000 (04:13 +0000)]
Fix whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122142 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Deprecate get{Basename,Dirname,Suffix}.
Michael J. Spencer [Sat, 18 Dec 2010 04:13:36 +0000 (04:13 +0000)]
Support/PathV1: Deprecate get{Basename,Dirname,Suffix}.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122141 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the note.
Rafael Espindola [Sat, 18 Dec 2010 04:01:45 +0000 (04:01 +0000)]
Fix the note.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122139 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert 122011, 122012, 122013, 122023 adding back an important optimization.
Rafael Espindola [Sat, 18 Dec 2010 03:57:21 +0000 (03:57 +0000)]
Revert 122011, 122012, 122013, 122023 adding back an important optimization.
I added a note, but suggestions on how to add a test are really welcome.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122138 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoApparently, operandices is not a word.
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:28:32 +0000 (03:28 +0000)]
Apparently, operandices is not a word.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122135 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove some data to the TargetWriter.
Rafael Espindola [Sat, 18 Dec 2010 03:27:34 +0000 (03:27 +0000)]
Move some data to the TargetWriter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122134 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach the inline spiller to attempt folding a load instruction into its single
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:04:14 +0000 (03:04 +0000)]
Teach the inline spiller to attempt folding a load instruction into its single
use before rematerializing the load.

This allows us to produce:

    addps LCPI0_1(%rip), %xmm2

Instead of:

    movaps LCPI0_1(%rip), %xmm3
    addps %xmm3, %xmm2

Saving a register and an instruction. The standard spiller already knows how to
do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122133 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTweak debug spew.
Jakob Stoklund Olesen [Sat, 18 Dec 2010 03:04:11 +0000 (03:04 +0000)]
Tweak debug spew.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122132 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agor120333 changed the opcode for the Thumb1 stuff from ARM::tMOVr to
Bill Wendling [Sat, 18 Dec 2010 02:13:59 +0000 (02:13 +0000)]
r120333 changed the opcode for the Thumb1 stuff from ARM::tMOVr to
ARM::tMOVgpr2gpr. But this check didn't change. As a result, we were getting
misaligned references to the jump table from an ADR instruction.

There is a test case, but unfortunately it's sensitive to random code changes.

<rdar://problem/8782223>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122131 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemoveUnusedCPEntries can change things. Track it.
Bill Wendling [Sat, 18 Dec 2010 01:53:06 +0000 (01:53 +0000)]
RemoveUnusedCPEntries can change things. Track it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122129 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTest for push being relaxed.
Rafael Espindola [Sat, 18 Dec 2010 01:16:59 +0000 (01:16 +0000)]
Test for push being relaxed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122124 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCheck that the register is live-in to the loop header before inserting copies in
Jakob Stoklund Olesen [Sat, 18 Dec 2010 01:06:19 +0000 (01:06 +0000)]
Check that the register is live-in to the loop header before inserting copies in
the loop predecessors.

The register can be live-out from a predecessor without being live-in to the
loop header if there is a critical edge from the predecessor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122123 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix GCC warning:
Nick Lewycky [Sat, 18 Dec 2010 01:05:55 +0000 (01:05 +0000)]
Fix GCC warning:
  lib/CodeGen/RegAllocGreedy.cpp:311: error: unused variable 'PhysReg' [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122122 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRelax push instructions.
Rafael Espindola [Sat, 18 Dec 2010 01:01:34 +0000 (01:01 +0000)]
Relax push instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122121 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake LazyValueInfo non-recursive.
Nick Lewycky [Sat, 18 Dec 2010 01:00:40 +0000 (01:00 +0000)]
Make LazyValueInfo non-recursive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122120 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRearrange some Neon multiclasses. No functional changes.
Bob Wilson [Sat, 18 Dec 2010 00:42:58 +0000 (00:42 +0000)]
Rearrange some Neon multiclasses.  No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122119 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/PathV1: Deprecate getLast.
Michael J. Spencer [Sat, 18 Dec 2010 00:19:10 +0000 (00:19 +0000)]
Support/PathV1: Deprecate getLast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122116 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCMake: Cleanup and document MSVC warning flags.
Michael J. Spencer [Sat, 18 Dec 2010 00:18:58 +0000 (00:18 +0000)]
CMake: Cleanup and document MSVC warning flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122115 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support to CallbackVH to receive notification when a Value's use-list changes.
Owen Anderson [Sat, 18 Dec 2010 00:07:15 +0000 (00:07 +0000)]
Add support to CallbackVH to receive notification when a Value's use-list changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122114 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPass a Banner argument to the machine code verifier both from
Jakob Stoklund Olesen [Sat, 18 Dec 2010 00:06:56 +0000 (00:06 +0000)]
Pass a Banner argument to the machine code verifier both from
createMachineVerifierPass and MachineFunction::verify.

The banner is printed before the machine code dump, just like the printer pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122113 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix result type of Neon floating-point comparisons against zero.
Bob Wilson [Sat, 18 Dec 2010 00:04:33 +0000 (00:04 +0000)]
Fix result type of Neon floating-point comparisons against zero.
The result vector elements are always integers.  Radar 8782191.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122112 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd some missing entries in ARMTargetLowering::getTargetNodeName.
Bob Wilson [Sat, 18 Dec 2010 00:04:26 +0000 (00:04 +0000)]
Add some missing entries in ARMTargetLowering::getTargetNodeName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122111 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWhitespace fixes. No functionality change.
Bill Wendling [Fri, 17 Dec 2010 23:27:41 +0000 (23:27 +0000)]
Whitespace fixes. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122110 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid dereferencing end() in collectInterferingVRegs() when there is no
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:38 +0000 (23:16 +0000)]
Avoid dereferencing end() in collectInterferingVRegs() when there is no
interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122108 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake the -verify-regalloc command line option available to base classes as
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:35 +0000 (23:16 +0000)]
Make the -verify-regalloc command line option available to base classes as
RegAllocBase::VerifyEnabled.

Run the machine code verifier in a few interesting places during RegAllocGreedy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122107 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoEnable loop splitting in RegAllocGreedy.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 23:16:32 +0000 (23:16 +0000)]
Enable loop splitting in RegAllocGreedy.

The heuristics split around the largest loop where the current register may be
allocated without interference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122106 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd vector versions of some existing scalar transforms to aid codegen in matching...
Nate Begeman [Fri, 17 Dec 2010 23:12:19 +0000 (23:12 +0000)]
Add vector versions of some existing scalar transforms to aid codegen in matching psign & pblend operations to the IR produced by clang/gcc for their C idioms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122105 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDuring local stack slot allocation, the materializeFrameBaseRegister function
Bill Wendling [Fri, 17 Dec 2010 23:09:14 +0000 (23:09 +0000)]
During local stack slot allocation, the materializeFrameBaseRegister function
may be called. If the entry block is empty, the insertion point iterator will be
the "end()" value. Calling ->getParent() on it (among others) causes problems.

Modify materializeFrameBaseRegister to take the machine basic block and insert
the frame base register at the beginning of that block. (It's very similar to
what the code does all ready. The only difference is that it will always insert
at the beginning of the entry block instead of after a previous materialization
of the frame base register. I doubt that that matters here.)

<rdar://problem/8782198>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122104 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a DAGCombiner crash when folding binary vector operations with constant
Bob Wilson [Fri, 17 Dec 2010 23:06:49 +0000 (23:06 +0000)]
Fix a DAGCombiner crash when folding binary vector operations with constant
BUILD_VECTOR operands where the element type is not legal.  I had previously
changed this code to insert TRUNCATE operations, but that was just wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122102 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCombine several vector-related DAGCombiner tests.
Bob Wilson [Fri, 17 Dec 2010 23:06:46 +0000 (23:06 +0000)]
Combine several vector-related DAGCombiner tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122101 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid report_fatal_error in ARM's PrintAsmOperand method.
Bob Wilson [Fri, 17 Dec 2010 23:06:42 +0000 (23:06 +0000)]
Avoid report_fatal_error in ARM's PrintAsmOperand method.
The standard error handling in AsmPrinter::EmitInlineAsm handles this much
better, so just use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122100 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove trailing whitespace.
Bob Wilson [Fri, 17 Dec 2010 23:06:32 +0000 (23:06 +0000)]
Remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122099 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for matching psign & plendvb to the x86 target
Nate Begeman [Fri, 17 Dec 2010 22:55:37 +0000 (22:55 +0000)]
Add support for matching psign & plendvb to the x86 target
Remove unnecessary pandn patterns, 'vnot' patfrag looks through bitcasts

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122098 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees
Jakob Stoklund Olesen [Fri, 17 Dec 2010 22:07:54 +0000 (22:07 +0000)]
Add more checks to IntervalMapOverlaps::advance() to ensure that advanceTo sees
monotonic keys.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122093 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIt is allowed to call IntervalMap::const_iterator::advanceTo() with a key that
Jakob Stoklund Olesen [Fri, 17 Dec 2010 22:07:51 +0000 (22:07 +0000)]
It is allowed to call IntervalMap::const_iterator::advanceTo() with a key that
moves the iterator to end(), and it is valid to call it on end().

That means it is valid to call advanceTo() with any monotonic key sequence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122092 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThumb's forced-PC-alignment requirement applies to the _total_ displacement, not...
Owen Anderson [Fri, 17 Dec 2010 21:49:48 +0000 (21:49 +0000)]
Thumb's forced-PC-alignment requirement applies to the _total_ displacement, not just to the fragment relative
portion.  While the fragment boundary is usually already aligned, it is possible for it not to be, which
would lead to a non-aligned final displacement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122091 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a transform to DAG Combiner. This improves the
Dale Johannesen [Fri, 17 Dec 2010 21:45:49 +0000 (21:45 +0000)]
Add a transform to DAG Combiner.  This improves the
code for the case where 32-bit divide by constant is
turned into 64-bit multiply by constant.  8771012.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122090 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix 80 col.
Michael J. Spencer [Fri, 17 Dec 2010 21:32:47 +0000 (21:32 +0000)]
Fix 80 col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122089 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport/Path: Deprecate PathV1::isAbsolute.
Michael J. Spencer [Fri, 17 Dec 2010 21:21:31 +0000 (21:21 +0000)]
Support/Path: Deprecate PathV1::isAbsolute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122086 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPathV2: Use StringRef::substr to simplify substring creation.
Benjamin Kramer [Fri, 17 Dec 2010 20:27:37 +0000 (20:27 +0000)]
PathV2: Use StringRef::substr to simplify substring creation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122085 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAllow missing kill flags on an untied operand of a two-address instruction when
Jakob Stoklund Olesen [Fri, 17 Dec 2010 19:18:41 +0000 (19:18 +0000)]
Allow missing kill flags on an untied operand of a two-address instruction when
the operand uses the same register as a tied operand:

  %r1 = add %r1, %r1

If add were a three-address instruction, kill flags would be required on at
least one of the uses. Since it is a two-address instruction, the tied use
operand must not have a kill flag.

This change makes the kill flag on the untied use operand optional.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122082 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix crash when IntervalMapOverlaps::advanceTo moves past the last overlap.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 19:18:38 +0000 (19:18 +0000)]
Fix crash when IntervalMapOverlaps::advanceTo moves past the last overlap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122081 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIf The ARM WriteNopData() gets an unaligned byte count to pad out, fill in with
Jim Grosbach [Fri, 17 Dec 2010 19:03:02 +0000 (19:03 +0000)]
If The ARM WriteNopData() gets an unaligned byte count to pad out, fill in with
a partial value. rdar://8782954

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122078 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMissed some StringRefRefs.
Benjamin Kramer [Fri, 17 Dec 2010 18:59:09 +0000 (18:59 +0000)]
Missed some StringRefRefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122077 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd bits 31-28 to the Thumb2 encoding of TBB/TBH.
Jim Grosbach [Fri, 17 Dec 2010 18:42:56 +0000 (18:42 +0000)]
Add bits 31-28 to the Thumb2 encoding of TBB/TBH.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122076 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoHandle 2 and 4 byte data blob fixup values for ARM.
Jim Grosbach [Fri, 17 Dec 2010 18:39:10 +0000 (18:39 +0000)]
Handle 2 and 4 byte data blob fixup values for ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122075 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPass StringRefs by value, for consistency.
Benjamin Kramer [Fri, 17 Dec 2010 18:19:06 +0000 (18:19 +0000)]
Pass StringRefs by value, for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122074 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd MachineLoopRange comparators for sorting loop lists by number and by area.
Jakob Stoklund Olesen [Fri, 17 Dec 2010 18:13:52 +0000 (18:13 +0000)]
Add MachineLoopRange comparators for sorting loop lists by number and by area.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122073 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoReapply r121905 (automatic synthesis of @llvm.sadd.with.overflow) with a fix for...
Owen Anderson [Fri, 17 Dec 2010 18:08:00 +0000 (18:08 +0000)]
Reapply r121905 (automatic synthesis of @llvm.sadd.with.overflow) with a fix for a bug that manifested itself
on the DragonEgg self-host bot.  Unfortunately, the testcase is pretty messy and doesn't reduce well due to
interactions with other parts of InstCombine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122072 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStore and free the TargetObjectWriter.
Rafael Espindola [Fri, 17 Dec 2010 18:01:31 +0000 (18:01 +0000)]
Store and free the TargetObjectWriter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122070 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStub out explicit MCELFObjectTargetWriter interface.
Rafael Espindola [Fri, 17 Dec 2010 17:45:22 +0000 (17:45 +0000)]
Stub out explicit MCELFObjectTargetWriter interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122067 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCleanup and document .gitignore.
Michael J. Spencer [Fri, 17 Dec 2010 17:22:50 +0000 (17:22 +0000)]
Cleanup and document .gitignore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122066 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSupport: Rename Path.h to PathV1.h and add a new Path.h that includes both V1 and V2.
Michael J. Spencer [Fri, 17 Dec 2010 17:22:36 +0000 (17:22 +0000)]
Support: Rename Path.h to PathV1.h and add a new Path.h that includes both V1 and V2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122065 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove createELFObjectWriter to its own header.
Rafael Espindola [Fri, 17 Dec 2010 16:59:53 +0000 (16:59 +0000)]
Move createELFObjectWriter to its own header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122064 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSimplifyCFG: Ranges can be larger than 64 bits. Fixes Release-selfhost build.
Benjamin Kramer [Fri, 17 Dec 2010 10:48:14 +0000 (10:48 +0000)]
SimplifyCFG: Ranges can be larger than 64 bits. Fixes Release-selfhost build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122054 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix mismatched new[]/delete.
Benjamin Kramer [Fri, 17 Dec 2010 09:56:50 +0000 (09:56 +0000)]
Fix mismatched new[]/delete.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122053 91177308-0d34-0410-b5e6-96231b3b80d8