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8af808a3d6
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28016 Commits

Author SHA1 Message Date
Dan Gohman
8af808a3d6 Handle SUBREG_TO_REG instructions with the same heuristics 
as INSERT_SUBREG instructions in the list-burr scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69308 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 20:57:10 +00:00
Dan Gohman
8170a6849e Fix a bug with inttoptr/ptrtoint casts where the pointer has a different 
size from the integer, requiring zero extension or truncation. Don't
create ZExtInsts with pointer types. This fixes a regression in
consumer-jpeg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69307 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 19:25:55 +00:00
Devang Patel
02f8c41014 Do not treat beginning of inlined scope as beginning of normal function scope if the location info is missing. 
Insetad of doing ...
if (inlined_subroutine && known_location)
  DW_TAG_inline_subroutine
else
  DW_TAG_subprogram

do

if (inlined_subroutine) {
 if (known_location)
   DW_TAG_inline_subroutine
} else {
 DW_TAG_subprogram
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69300 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 17:55:30 +00:00
Dan Gohman
65e05b69d6 Minor code simplifications. Don't attempt LSR on theoretical 
targets with pointers larger than 64 bits, due to the code not
yet being APInt clean.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:49:48 +00:00
Dan Gohman
13317bc1e9 LSR is no longer a GEP optimizer. It is now an IV expression 
optimizer, which just happen to frequently involve optimizing GEPs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:46:01 +00:00
Dan Gohman
6524d3ab0e Fix SCEVExpander::visitSMaxExpr and SCEVExpander::visitUMaxExpr to 
not create ICmpInsts with operands of different types. This fixes
a regression in Applications/d/make_dparser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69294 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 16:15:25 +00:00
Dan Gohman
f04fa483b8 Teach SCEVExpander::InsertCastOfTo to avoid creating inttoptr-of-ptrtoint 
and ptrtoint-of-inttoptr expressions. This fixes a regression in 300.twolf.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:52:57 +00:00
Dan Gohman
798d3923e0 Use ConstantExpr::getIntToPtr instead of SCEVExpander::InsertCastOfTo, 
since the operand is always a constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:48:38 +00:00
Dan Gohman
e616bf338a Use a SCEV expression cast instead of immediately inserting a 
new instruction with SCEVExpander::InsertCastOfTo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:47:35 +00:00
Devang Patel
906caf2ae4 Record line number at the beginning of a func.start. 
This line was accidently lost yesterday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 15:07:09 +00:00
Rafael Espindola
7c36683fa3 fix PR3995. A scale must be 1, 2, 4 or 8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 12:34:53 +00:00
Dan Gohman
2d1be87ee4 Expand GEPs in ScalarEvolution expressions. SCEV expressions can now 
have pointer types, though in contrast to C pointer types, SCEV
addition is never implicitly scaled. This not only eliminates the
need for special code like IndVars' EliminatePointerRecurrence
and LSR's own GEP expansion code, it also does a better job because
it lets the normal optimizations handle pointer expressions just
like integer expressions.

Also, since LLVM IR GEPs can't directly index into multi-dimensional
VLAs, moving the GEP analysis out of client code and into the SCEV
framework makes it easier for clients to handle multi-dimensional
VLAs the same way as other arrays.

Some existing regression tests show improved optimization.
test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to
the point where if-conversion started kicking in; I turned it off
for this test to preserve the intent of the test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 03:18:22 +00:00
Devang Patel
16f2ffd158 In -fast mode do what FastISel does. 
This code could use some refactoring help!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69254 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 02:33:41 +00:00
Devang Patel
390f3ace34 If FastISel is run and it has known DebugLoc then use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 01:33:10 +00:00
Devang Patel
682e0e6a72 If location where the function was inlined is not know then do not emit debug info describing inlinied region. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 01:31:54 +00:00
Dale Johannesen
c671d892ab Eliminate zext over (iv | const) or (signed iv), 
and sext over (iv | const), if a longer iv is
available.  Allow expressions to have more than
one zext/sext parent.  All from OpenSSL.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69241 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 23:31:51 +00:00
Devang Patel
7d2f972f59 s/RootDbgScope/FunctionDbgScope/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69216 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:41:31 +00:00
Dale Johannesen
d3325d2897 Eliminate zext over (iv & const) or ((iv+const)&const) 
if a longer iv is available.  These subscript forms are
not common; they're a bottleneck in OpenSSL.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69215 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:41:02 +00:00
Chris Lattner
d7fd2126c2 teach EscapeString and UnescapeString to handle ". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:12:52 +00:00
Devang Patel
8818b8f443 Add DISubprogram is not null check. 
This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:11:08 +00:00
Dan Gohman
c23e496879 Generalize one of the SelectionDAG::ReplaceAllUsesWith overloads 
to support replacing a node with another that has a superset of
the result types. Use this instead of calling
ReplaceAllUsesOfValueWith for each value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 20:06:30 +00:00
Dan Gohman
df7dfc7715 Fix 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69204 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:48:57 +00:00
Dan Gohman
25174963f6 Add a folding table entry for MOV8rr_NOREX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69203 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:48:28 +00:00
Devang Patel
c782ad055e Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69202 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 19:42:57 +00:00
Dan Gohman
9407cd4ede Fix MachineInstr::getNumExplicitOperands to count 
variadic operands correctly. Patch by Jakob Stoklund Olesen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 17:59:11 +00:00
Nick Lewycky
300e36503c Limit the number of times we're willing to chase pointers. Removes an O(n^2) 
problem from instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 06:23:41 +00:00
Dan Gohman
6288b93f00 Fix X86MachineFunctionInfo's doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:20:18 +00:00
Dan Gohman
33f1c68cba Move MachineRegisterInfo::setRegClass out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:19:35 +00:00
Dan Gohman
593ea05957 Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:18:49 +00:00
Dan Gohman
3bc1a3735f Give RemoveRegOperandFromRegInfo a comment and move the 
code out of line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69124 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:17:37 +00:00
Dale Johannesen
dd1f9e4bf6 Enhance induction variable code to remove the 
sext around sext(shorter IV + constant), using a
longer IV instead, when it can figure out the
add can't overflow.  This comes up a lot in
subscripting; mainly affects 64 bit.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69123 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 01:10:12 +00:00
Evan Cheng
aa230a41dc Avoid making the transformation enabled by my last patch if the new destinations have phi nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:43:54 +00:00
Devang Patel
517576d6f9 While inlining, clone llvm.dbg.func.start intrinsic and adjust 
llvm.dbg.region.end instrinsic. This nested llvm.dbg.func.start/llvm.dbg.region.end pair now enables DW_TAG_inlined_subroutine support in code generator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:17:06 +00:00
Devang Patel
1be3eccecb Construct and emit DW_TAG_inlined_subroutine DIEs for inlined subroutine scopes (only in FastISel mode). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:10:26 +00:00
Dan Gohman
aaa1fdb271 Do for GR16_NOREX what r69049 did for GR8_NOREX, to avoid trouble with 
the local register allocator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:10:16 +00:00
Devang Patel
af5b6bb6a5 Add a method to check that the subprogram holds debug info for the given Function or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:06:07 +00:00
Dan Gohman
6d9305c7fd Add a new MOV8rr_NOREX, and make X86's copyRegToReg use it when 
either the source or destination is a physical h register.

This fixes sqlite3 with the post-RA scheduler enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:04:23 +00:00
Dan Gohman
a2f3703efd GR8_NOREX can contain the H registers, since they don't require 
REX prefixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-15 00:00:48 +00:00
Evan Cheng
df2f1189a3 Optimize conditional branch on i1 phis with non-constant inputs. 
This turns:

eq:
        %3 = icmp eq i32 %1, %2
        br label %join

ne:
        %4 = icmp ne i32 %1, %2
        br label %join

join:
        %5 = phi i1 [%3, %eq], [%4, %ne]
        br i1 %5, label %yes, label %no

=>

eq:
        %3 = icmp eq i32 %1, %2
        br i1 %3, label %yes, label %no

ne:
        %4 = icmp ne i32 %1, %2
        br i1 %4, label %yes, label %no


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69102 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 23:40:03 +00:00
Dan Gohman
62ad138d70 For the h-register addressing-mode trick, use the correct value for 
any non-address uses of the address value. This fixes 186.crafty.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69094 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 22:45:05 +00:00
Evan Cheng
00f16283cf Mac OS X 10.6 and above do not use key manager to register EH frames. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 22:31:59 +00:00
Dan Gohman
5ec3b427c8 When the result of an EXTRACT_SUBREG, INSERT_SUBREG, or SUBREG_TO_REG 
operator is used by a CopyToReg to export the value to a different
block, don't reuse the CopyToReg's register for the subreg operation
result if the register isn't precisely the right class for the
subreg operation.

Also, rename the h-registers.ll test, now that there are more
than one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 22:17:14 +00:00
Mikhail Glushenkov
0526653956 Call CreateProcess with bInheritHandles = TRUE. 
Makes llvmc show error messages printed by child processes when run from the
Cygwin/MSYS shell. Since ExecuteAndWait does not return until the child program
has finished execution, this change should be harmless.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69082 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 21:31:36 +00:00
Mikhail Glushenkov
bd50a16723 Delete trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 21:31:14 +00:00
Evan Cheng
b3f5bfe37f Some of GR8_NOREX registers are only available in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 16:57:43 +00:00
Sanjiv Gupta
85be408a32 Handle aggregate type arguments to direct and indirect calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 02:49:52 +00:00
Owen Anderson
0b2a153968 LoopIndexSplit needs to inform the loop pass manager of the instructions it is 
deleting, not just the basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 01:04:19 +00:00
Dale Johannesen
ec65a7d89b Do not force asm's to be chained if they don't touch 
memory and aren't volatile.  This was interfering with
good scheduling.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 00:56:56 +00:00
Evan Cheng
87d696a4d2 Fix PR3934 part 2. findOnlyInterestingUse() was not setting IsCopy and IsDstPhys which are returned by value and used by callee. This happened to work on the earlier test cases because of a logic error in the caller side. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 00:32:25 +00:00
Daniel Dunbar
4cbb173d6c Make these errors more noticable in build logs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-13 22:26:09 +00:00