oota-llvm.git
14 years agoanother case of reuse result of operator*, it is expensive to recompute
Gabor Greif [Fri, 9 Jul 2010 10:32:31 +0000 (10:32 +0000)]
another case of reuse result of operator*, it is expensive to recompute

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107960 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoreuse result of operator*, it is expensive to recompute
Gabor Greif [Fri, 9 Jul 2010 09:50:51 +0000 (09:50 +0000)]
reuse result of operator*, it is expensive to recompute

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107959 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded a support for inserting new MBBs into the numbering.
Lang Hames [Fri, 9 Jul 2010 09:19:23 +0000 (09:19 +0000)]
Added a support for inserting new MBBs into the numbering.

Unlike insertMachineInstrInMaps this does not guarantee live intervals will
remain correct. The caller will need to manually update intervals to account
for the changes made to the CFG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107958 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAvoid creating %physreg:subidx operands in SimpleRegisterCoalescing::RemoveCopyByComm...
Jakob Stoklund Olesen [Fri, 9 Jul 2010 05:56:21 +0000 (05:56 +0000)]
Avoid creating %physreg:subidx operands in SimpleRegisterCoalescing::RemoveCopyByCommutingDef.

This fixes PR7602.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107957 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDeal with a few remaining spots that assume physical registers have live intervals.
Jakob Stoklund Olesen [Fri, 9 Jul 2010 04:35:38 +0000 (04:35 +0000)]
Deal with a few remaining spots that assume physical registers have live intervals.

This fixes PR7601.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107955 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMerge VEX enums with other x86 enum forms. Also fix all checks of which VEX
Bruno Cardoso Lopes [Fri, 9 Jul 2010 01:56:45 +0000 (01:56 +0000)]
Merge VEX enums with other x86 enum forms. Also fix all checks of which VEX
fields to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107952 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix test to be less sensitive of regalloc accidents
Jakob Stoklund Olesen [Fri, 9 Jul 2010 01:32:11 +0000 (01:32 +0000)]
Fix test to be less sensitive of regalloc accidents

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107951 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix broken isCopy handling in TrimLiveIntervalToLastUse.
Jakob Stoklund Olesen [Fri, 9 Jul 2010 01:27:21 +0000 (01:27 +0000)]
Fix broken isCopy handling in TrimLiveIntervalToLastUse.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107950 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoHandle COPY in VirtRegRewriter.
Jakob Stoklund Olesen [Fri, 9 Jul 2010 01:27:19 +0000 (01:27 +0000)]
Handle COPY in VirtRegRewriter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107949 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix the memoperand offsets in code generated for va_start.
Dan Gohman [Fri, 9 Jul 2010 01:06:48 +0000 (01:06 +0000)]
Fix the memoperand offsets in code generated for va_start.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107948 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThese changes should have accompanied r107943.
Dan Gohman [Fri, 9 Jul 2010 00:59:16 +0000 (00:59 +0000)]
These changes should have accompanied r107943.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107947 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agohave the mc lowering process handle a few tail call forms, lowering them to
Chris Lattner [Fri, 9 Jul 2010 00:49:41 +0000 (00:49 +0000)]
have the mc lowering process handle a few tail call forms, lowering them to
jumps where possible and turning the TAILCALL marker in the instruction
asm string into a proper comment.

This eliminates a FIXME and is on the path to finishing:
rdar://7639610 - eliminate encoding and asm info for TAILJMPd TAILJMPr TAILJMPn, etc.

However, I can't eliminate the encodings for these instructions because the JIT
still exists and has its own copy of the encoder, sigh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107946 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoPrint "dregpair" NEON operands with a space between them, for readability and
Bob Wilson [Fri, 9 Jul 2010 00:47:20 +0000 (00:47 +0000)]
Print "dregpair" NEON operands with a space between them, for readability and
consistency with other instructions that have lists of register operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107944 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRe-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting
Dan Gohman [Fri, 9 Jul 2010 00:39:23 +0000 (00:39 +0000)]
Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107943 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFactor out x86 segment override prefix encoding, and also use it for VEX
Bruno Cardoso Lopes [Fri, 9 Jul 2010 00:38:14 +0000 (00:38 +0000)]
Factor out x86 segment override prefix encoding, and also use it for VEX

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107942 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReenable DAG combining for vector shuffles. It looks like it was temporarily
Bob Wilson [Fri, 9 Jul 2010 00:38:12 +0000 (00:38 +0000)]
Reenable DAG combining for vector shuffles.  It looks like it was temporarily
disabled and then never turned back on again.  Adjust some tests, one because
this change avoids an unnecessary instruction, and the other to make it
continue testing what it was intended to test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107941 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoreject pseudo instructions early in the encoder.
Chris Lattner [Fri, 9 Jul 2010 00:17:50 +0000 (00:17 +0000)]
reject pseudo instructions early in the encoder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107939 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove trailing whitespaces from file
Bruno Cardoso Lopes [Fri, 9 Jul 2010 00:07:19 +0000 (00:07 +0000)]
Remove trailing whitespaces from file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107937 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoChange LEA to have 5 operands for its memory operand, just
Chris Lattner [Thu, 8 Jul 2010 23:46:44 +0000 (23:46 +0000)]
Change LEA to have 5 operands for its memory operand, just
like all other instructions, even though a segment is not
allowed.  This resolves a bunch of gross hacks in the
encoder and makes LEA more consistent with the rest of the
instruction set.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107934 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReverting r107918 and r107919. Radar 8063111.
Stuart Hastings [Thu, 8 Jul 2010 23:25:39 +0000 (23:25 +0000)]
Reverting r107918 and r107919.  Radar 8063111.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107930 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert "Fix broken isCopy handling in TrimLiveIntervalToLastUse"
Jakob Stoklund Olesen [Thu, 8 Jul 2010 22:52:47 +0000 (22:52 +0000)]
Revert "Fix broken isCopy handling in TrimLiveIntervalToLastUse"

This reverts commit 107921. It broke the clang self host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107926 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd some long-overdue enums to refer to the parts of the 5-operand
Chris Lattner [Thu, 8 Jul 2010 22:41:28 +0000 (22:41 +0000)]
add some long-overdue enums to refer to the parts of the 5-operand
X86 memory operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107925 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRelax assertion. In optimized code, it is possible that first instruction is coming...
Devang Patel [Thu, 8 Jul 2010 22:39:20 +0000 (22:39 +0000)]
Relax assertion. In optimized code, it is possible that first instruction is coming from a inlined function.
This fixes PR7596 .

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107923 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoExtension of r107506. Make sure that we don't mark a function as having a call
Bill Wendling [Thu, 8 Jul 2010 22:38:02 +0000 (22:38 +0000)]
Extension of r107506. Make sure that we don't mark a function as having a call
if the inline ASM doesn't need a stack frame.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107922 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix broken isCopy handling in TrimLiveIntervalToLastUse
Jakob Stoklund Olesen [Thu, 8 Jul 2010 22:30:38 +0000 (22:30 +0000)]
Fix broken isCopy handling in TrimLiveIntervalToLastUse

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107921 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemember the VR64 register class
Jakob Stoklund Olesen [Thu, 8 Jul 2010 22:30:35 +0000 (22:30 +0000)]
Remember the VR64 register class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107920 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix decl/def debug info for template functions. Radar 8063111.
Stuart Hastings [Thu, 8 Jul 2010 22:28:59 +0000 (22:28 +0000)]
Fix decl/def debug info for template functions.  Radar 8063111.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107919 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRework segment prefix emission code to handle segments
Chris Lattner [Thu, 8 Jul 2010 22:28:12 +0000 (22:28 +0000)]
Rework segment prefix emission code to handle segments
in memory operands at the same type as hard coded segments.
This fixes problems where we'd emit the segment override after
the REX prefix on instructions like:
mov %gs:(%rdi), %rax

This fixes rdar://8127102.  I have several cleanup patches coming
next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107917 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agointroduce a new X86II::getMemoryOperandNo method, which
Chris Lattner [Thu, 8 Jul 2010 22:27:06 +0000 (22:27 +0000)]
introduce a new X86II::getMemoryOperandNo method, which
returns the start of the memory operand for an instruction.

Introduce a new "X86AddrSegment" enum to reduce # magic numbers
referring to X86 memory operand layout.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107916 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoSwitch SPU calling convention (function arguments)
Kalle Raiskila [Thu, 8 Jul 2010 21:15:22 +0000 (21:15 +0000)]
Switch SPU calling convention (function arguments)
to a Tablegen implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107913 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTest case for r107843. Radar 8152866.
Stuart Hastings [Thu, 8 Jul 2010 20:31:05 +0000 (20:31 +0000)]
Test case for r107843.  Radar 8152866.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107907 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert some unneeded parts of the change in r107886 for the
Kevin Enderby [Thu, 8 Jul 2010 20:30:44 +0000 (20:30 +0000)]
Revert some unneeded parts of the change in r107886 for the
.weak_def_can_be_hidden directive.  Chris pointed out that the MCAsmInfo.h/.cpp
chunks aren't needed for this until the compiler starts generating these.  And
when that happens it will be more convenient for it to be a bool than a const
char*.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107906 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoCheck for FiniteOnlyFPMath as well.
Evan Cheng [Thu, 8 Jul 2010 20:12:24 +0000 (20:12 +0000)]
Check for FiniteOnlyFPMath as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107904 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReuse DIEInteger for 1. This is frequently used while emitting an attribute using...
Devang Patel [Thu, 8 Jul 2010 20:10:35 +0000 (20:10 +0000)]
Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107903 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTeach the x86 floating point stackifier to handle COPY instructions.
Jakob Stoklund Olesen [Thu, 8 Jul 2010 19:46:30 +0000 (19:46 +0000)]
Teach the x86 floating point stackifier to handle COPY instructions.

This pass runs before COPY instructions are passed to copyPhysReg, so we simply
translate COPY to the proper pseudo instruction. Note that copyPhysReg does not
handle floating point stack copies.

Once COPY is used everywhere, this can be cleaned up a bit, and most of the
pseudo instructions can be removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107899 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoImplement X86InstrInfo::copyPhysReg
Jakob Stoklund Olesen [Thu, 8 Jul 2010 19:46:25 +0000 (19:46 +0000)]
Implement X86InstrInfo::copyPhysReg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107898 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThe NEONPreAllocPass should never have to assign fixed registers anymore.
Bob Wilson [Thu, 8 Jul 2010 17:45:26 +0000 (17:45 +0000)]
The NEONPreAllocPass should never have to assign fixed registers anymore.
This pass can go away entirely soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107892 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFor big-endian systems, VLD2/VST2 with 32-bit vector elements will swap the
Bob Wilson [Thu, 8 Jul 2010 17:44:00 +0000 (17:44 +0000)]
For big-endian systems, VLD2/VST2 with 32-bit vector elements will swap the
words within the 64-bit D registers.  Use VLD1/VST1 with 64-bit elements
instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107890 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAfter r107880, findSurvivorReg() no longer needs to be public.
Jim Grosbach [Thu, 8 Jul 2010 17:27:23 +0000 (17:27 +0000)]
After r107880, findSurvivorReg() no longer needs to be public.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107887 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded the darwin .weak_def_can_be_hidden directive.
Kevin Enderby [Thu, 8 Jul 2010 17:22:42 +0000 (17:22 +0000)]
Added the darwin .weak_def_can_be_hidden directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107886 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoonly dereference iterator once in the loop
Gabor Greif [Thu, 8 Jul 2010 16:56:18 +0000 (16:56 +0000)]
only dereference iterator once in the loop
(by caching the result we save a potentially expensive dereference)

also use typedefs to shorten type declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107883 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoClean up a comment.
Bob Wilson [Thu, 8 Jul 2010 16:54:45 +0000 (16:54 +0000)]
Clean up a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107882 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove unneeded parens
Gabor Greif [Thu, 8 Jul 2010 16:52:57 +0000 (16:52 +0000)]
remove unneeded parens

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107881 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoClean up scavengeRegister() a bit to prefer available regs, which allows
Jim Grosbach [Thu, 8 Jul 2010 16:49:26 +0000 (16:49 +0000)]
Clean up scavengeRegister() a bit to prefer available regs, which allows
the simplification of frame index register scavenging to not have to check
for available registers directly and instead just let scavengeRegister()
handle it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107880 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoConvert EXTRACT_SUBREG to COPY when emitting machine instrs.
Jakob Stoklund Olesen [Thu, 8 Jul 2010 16:40:22 +0000 (16:40 +0000)]
Convert EXTRACT_SUBREG to COPY when emitting machine instrs.

EXTRACT_SUBREG no longer appears as a machine instruction. Use COPY instead.

Add isCopy() checks in many places using isMoveInstr() and isExtractSubreg().
The isMoveInstr hook will be removed later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107879 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove references to INSERT_SUBREG after de-SSA.
Jakob Stoklund Olesen [Thu, 8 Jul 2010 16:40:15 +0000 (16:40 +0000)]
Remove references to INSERT_SUBREG after de-SSA.

Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of
INSERT_SUBREG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107878 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse std::vector rather than SmallVector here because SmallVector
Duncan Sands [Thu, 8 Jul 2010 13:06:08 +0000 (13:06 +0000)]
Use std::vector rather than SmallVector here because SmallVector
causes some versions of gcc to crash when building LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107869 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMerge the duplicated iabs optimization in DAGCombiner and let it detected a few more...
Benjamin Kramer [Thu, 8 Jul 2010 12:09:56 +0000 (12:09 +0000)]
Merge the duplicated iabs optimization in DAGCombiner and let it detected a few more idioms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107868 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDo not use std::stack because it causes obscure failures when
Duncan Sands [Thu, 8 Jul 2010 11:54:27 +0000 (11:54 +0000)]
Do not use std::stack because it causes obscure failures when
compiled with MSVC 2010 (PR7367).  Instead use a SmallVector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107867 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTeach instcombine to transform
Benjamin Kramer [Thu, 8 Jul 2010 11:39:10 +0000 (11:39 +0000)]
Teach instcombine to transform
(X >s -1) ? C1 : C2 and (X <s  0) ? C2 : C1
into ((X >>s 31) & (C2 - C1)) + C1, avoiding the conditional.

This optimization could be extended to take non-const C1 and C2 but we better
stay conservative to avoid code size bloat for now.

for
int sel(int n) {
     return n >= 0 ? 60 : 100;
}

we now generate
  sarl  $31, %edi
  andl  $40, %edi
  leal  60(%rdi), %eax

instead of
  testl %edi, %edi
  movl  $60, %ecx
  movl  $100, %eax
  cmovnsl %ecx, %eax

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107866 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTweak some docs now that the default build is called Debug+Asserts.
Duncan Sands [Thu, 8 Jul 2010 08:27:18 +0000 (08:27 +0000)]
Tweak some docs now that the default build is called Debug+Asserts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107862 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoA slight reworking of the custom patterns for x86-64 tpoff codegen and
Eric Christopher [Thu, 8 Jul 2010 07:36:46 +0000 (07:36 +0000)]
A slight reworking of the custom patterns for x86-64 tpoff codegen and
correct the testcase for valid assembly.

Needs more tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107860 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agor107852 is only safe with -enable-unsafe-fp-math to account for +0.0 == -0.0.
Evan Cheng [Thu, 8 Jul 2010 06:01:49 +0000 (06:01 +0000)]
r107852 is only safe with -enable-unsafe-fp-math to account for +0.0 == -0.0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107856 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd TargetInstrInfo::copyPhysReg hook and use it from LowerSubregs.
Jakob Stoklund Olesen [Thu, 8 Jul 2010 05:01:41 +0000 (05:01 +0000)]
Add TargetInstrInfo::copyPhysReg hook and use it from LowerSubregs.

This target hook is intended to replace copyRegToReg entirely, but for now it
calls copyRegToReg.

Any remaining calls to copyRegToReg wil be replaced by COPY instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107854 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoOptimize some vfp comparisons to integer ones. This patch implements the simplest...
Evan Cheng [Thu, 8 Jul 2010 02:08:50 +0000 (02:08 +0000)]
Optimize some vfp comparisons to integer ones. This patch implements the simplest case when the following conditions are met:
1. The arguments are f32.
2. The arguments are loads and they have no uses other than the comparison.
3. The comparison code is EQ or NE.

e.g.
        vldr.32 s0, [r1]
        vldr.32 s1, [r0]
        vcmpe.f32       s1, s0
        vmrs    apsr_nzcv, fpscr
beq     LBB0_2
=>
        ldr     r1, [r1]
        ldr     r0, [r0]
        cmp     r0, r1
        beq     LBB0_2

More complicated cases will be implemented in subsequent patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107852 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoChanges to ARM tail calls, mostly cosmetic.
Dale Johannesen [Thu, 8 Jul 2010 01:18:23 +0000 (01:18 +0000)]
Changes to ARM tail calls, mostly cosmetic.
Add explicit testcases for tail calls within the same module.
Duplicate some code to humor those who think .w doesn't apply on ARM.
Leave this disabled on Thumb1, and add some comments explaining why it's hard
and won't gain much.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107851 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert 107840 107839 107813 107804 107800 107797 107791.
Dan Gohman [Thu, 8 Jul 2010 01:00:56 +0000 (01:00 +0000)]
Revert 107840 107839 107813 107804 107800 107797 107791.
Debug info intrinsics win for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107850 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoWhen processing frame index virtual registers, consider all available registers
Jim Grosbach [Thu, 8 Jul 2010 00:38:54 +0000 (00:38 +0000)]
When processing frame index virtual registers, consider all available registers
(if there are any) and use the one which remains available for the longest
rather than just using the first one. This should help enable better re-use
of the loaded frame index values. rdar://7318760

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107847 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix the second half of PR7437: scalarrepl wasn't preserving
Chris Lattner [Thu, 8 Jul 2010 00:27:05 +0000 (00:27 +0000)]
Fix the second half of PR7437: scalarrepl wasn't preserving
address spaces when SRoA'ing memcpy's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107846 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't forward-declare registers for static allocas, which we'll
Dan Gohman [Wed, 7 Jul 2010 23:52:58 +0000 (23:52 +0000)]
Don't forward-declare registers for static allocas, which we'll
prefer to materialize as local constants. This fixes the clang
bootstrap abort.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107840 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix -fast-isel-abort to check the right instruction.
Dan Gohman [Wed, 7 Jul 2010 23:47:25 +0000 (23:47 +0000)]
Fix -fast-isel-abort to check the right instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107839 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agouse PrintEscapedString to handle attribute section with escapes in it,
Chris Lattner [Wed, 7 Jul 2010 23:16:37 +0000 (23:16 +0000)]
use PrintEscapedString to handle attribute section with escapes in it,
PR7399.  The asm parser already handles this.  This is of dubious
utility (see the PR) but the asmprinter was clearly broken here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107834 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix copies to/from GR8_ABCD_H even more
Jakob Stoklund Olesen [Wed, 7 Jul 2010 23:04:56 +0000 (23:04 +0000)]
fix copies to/from GR8_ABCD_H even more

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107832 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agogrammar
Jim Grosbach [Wed, 7 Jul 2010 22:53:35 +0000 (22:53 +0000)]
grammar

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107831 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoHandle cases where the post-RA scheduler may move instructions between the
Jim Grosbach [Wed, 7 Jul 2010 22:51:22 +0000 (22:51 +0000)]
Handle cases where the post-RA scheduler may move instructions between the
address calculation instructions leading up to a jump table when we're trying
to convert them into a TB[H] instruction in Thumb2. This realistically
shouldn't happen much, if at all, for well formed inputs, but it's more correct
to handle it. rdar://7387682

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107830 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofinish up support for callw: PR7195
Chris Lattner [Wed, 7 Jul 2010 22:35:13 +0000 (22:35 +0000)]
finish up support for callw: PR7195

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107826 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoImplement the major chunk of PR7195: support for 'callw'
Chris Lattner [Wed, 7 Jul 2010 22:27:31 +0000 (22:27 +0000)]
Implement the major chunk of PR7195: support for 'callw'
in the integrated assembler.  Still some discussion to be
done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107825 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd more assembly opcodes for SSE compare instructions
Bruno Cardoso Lopes [Wed, 7 Jul 2010 22:24:03 +0000 (22:24 +0000)]
Add more assembly opcodes for SSE compare instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107823 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoOne MDNode may be used to create regular DIE as well as abstract DIE.
Devang Patel [Wed, 7 Jul 2010 22:20:57 +0000 (22:20 +0000)]
One MDNode may be used to create regular DIE as well as abstract DIE.
Keep track of abstract subprogram DIEs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107822 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMove getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consi...
Evan Cheng [Wed, 7 Jul 2010 22:15:37 +0000 (22:15 +0000)]
Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consistency sake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107820 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoPrint undefined/unknown debug value as "undef".
Devang Patel [Wed, 7 Jul 2010 21:52:21 +0000 (21:52 +0000)]
Print undefined/unknown debug value as "undef".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107818 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoNot all custom inserters create new basic blocks. If the inserter
Dan Gohman [Wed, 7 Jul 2010 21:18:22 +0000 (21:18 +0000)]
Not all custom inserters create new basic blocks. If the inserter
didn't create a new block, don't reset the insert position.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107813 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agogrammar and trailing whitespace
Jim Grosbach [Wed, 7 Jul 2010 21:06:51 +0000 (21:06 +0000)]
grammar and trailing whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107811 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRename couple of maps.
Devang Patel [Wed, 7 Jul 2010 20:49:57 +0000 (20:49 +0000)]
Rename couple of maps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107810 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAllow copies between GR8_ABCD_L and GR8_ABCD_H.
Jakob Stoklund Olesen [Wed, 7 Jul 2010 20:33:27 +0000 (20:33 +0000)]
Allow copies between GR8_ABCD_L and GR8_ABCD_H.

This fixes PR7540.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107809 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUpdate the docs for debugging JITed code with GDB.
Reid Kleckner [Wed, 7 Jul 2010 20:16:45 +0000 (20:16 +0000)]
Update the docs for debugging JITed code with GDB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107808 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago80 cols.
Devang Patel [Wed, 7 Jul 2010 20:12:52 +0000 (20:12 +0000)]
80 cols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107807 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoImplement bottom-up fast-isel. This has the advantage of not requiring
Dan Gohman [Wed, 7 Jul 2010 19:20:32 +0000 (19:20 +0000)]
Implement bottom-up fast-isel. This has the advantage of not requiring
a separate DCE pass over MachineInstrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107804 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd X86FastISel support for return statements. This entails refactoring
Dan Gohman [Wed, 7 Jul 2010 18:32:53 +0000 (18:32 +0000)]
Add X86FastISel support for return statements. This entails refactoring
a bunch of stuff, to allow the target-independent calling convention
logic to be employed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107800 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd AVX AES instructions
Bruno Cardoso Lopes [Wed, 7 Jul 2010 18:24:20 +0000 (18:24 +0000)]
Add AVX AES instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107798 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUpdate the insert position after scheduling, which may change the
Dan Gohman [Wed, 7 Jul 2010 18:22:13 +0000 (18:22 +0000)]
Update the insert position after scheduling, which may change the
position when emitting multiple blocks when executing a custom
inserter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107797 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUpdate comment.
Devang Patel [Wed, 7 Jul 2010 18:18:18 +0000 (18:18 +0000)]
Update comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107796 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix debugging strings.
Dan Gohman [Wed, 7 Jul 2010 17:28:45 +0000 (17:28 +0000)]
Fix debugging strings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107795 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoIssue the warning about being slow whenever optimization is disabled,
Duncan Sands [Wed, 7 Jul 2010 16:48:16 +0000 (16:48 +0000)]
Issue the warning about being slow whenever optimization is disabled,
and not just for Debug+Asserts builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107792 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoGive FunctionLoweringInfo an MBB member, avoiding the need to pass it
Dan Gohman [Wed, 7 Jul 2010 16:47:08 +0000 (16:47 +0000)]
Give FunctionLoweringInfo an MBB member, avoiding the need to pass it
around everywhere, and also give it an InsertPt member, to enable isel
to operate at an arbitrary position within a block, rather than just
appending to a block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107791 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoSimplify FastISel's constructor by giving it a FunctionLoweringInfo
Dan Gohman [Wed, 7 Jul 2010 16:29:44 +0000 (16:29 +0000)]
Simplify FastISel's constructor by giving it a FunctionLoweringInfo
instance, rather than pointers to all of FunctionLoweringInfo's
members.

This eliminates an NDEBUG ABI sensitivity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107789 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMove FunctionLoweringInfo.h out into include/llvm/CodeGen. This will
Dan Gohman [Wed, 7 Jul 2010 16:01:37 +0000 (16:01 +0000)]
Move FunctionLoweringInfo.h out into include/llvm/CodeGen. This will
allow target-specific fast-isel code to make use of it directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107787 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoSplit the SDValue out of OutputArg so that SelectionDAG-independent
Dan Gohman [Wed, 7 Jul 2010 15:54:55 +0000 (15:54 +0000)]
Split the SDValue out of OutputArg so that SelectionDAG-independent
code can do calling-convention queries. This obviates OutputArgReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107786 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd some triple for minix, patch by Kees van Reeuwijk from PR7582
Chris Lattner [Wed, 7 Jul 2010 15:52:27 +0000 (15:52 +0000)]
add some triple for minix, patch by Kees van Reeuwijk from PR7582

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107785 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMove ArgFlagsTy, OutputArg, and InputArg out of SelectionDAGNodes.h and
Dan Gohman [Wed, 7 Jul 2010 15:28:42 +0000 (15:28 +0000)]
Move ArgFlagsTy, OutputArg, and InputArg out of SelectionDAGNodes.h and
into a new header, TargetCallingConv.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107782 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMove CallingConvLower.cpp out of the SelectionDAG directory.
Dan Gohman [Wed, 7 Jul 2010 15:15:27 +0000 (15:15 +0000)]
Move CallingConvLower.cpp out of the SelectionDAG directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107781 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix more places assuming subregisters have live intervals
Jakob Stoklund Olesen [Wed, 7 Jul 2010 14:41:22 +0000 (14:41 +0000)]
Fix more places assuming subregisters have live intervals

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107780 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadapt condition for changed default build mode
Gabor Greif [Wed, 7 Jul 2010 14:37:04 +0000 (14:37 +0000)]
adapt condition for changed default build mode

who knows how to cover Asserts or Debug separately
please do not hesitate to extend this

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107779 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd a getFirstNonPHI utility function.
Dan Gohman [Wed, 7 Jul 2010 14:33:51 +0000 (14:33 +0000)]
Add a getFirstNonPHI utility function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107778 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMinore code simplification.
Dan Gohman [Wed, 7 Jul 2010 14:30:04 +0000 (14:30 +0000)]
Minore code simplification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107777 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove interprocedural-basic-aa and associated code. The AliasAnalysis
Dan Gohman [Wed, 7 Jul 2010 14:27:09 +0000 (14:27 +0000)]
Remove interprocedural-basic-aa and associated code. The AliasAnalysis
interface needs implementations to be consistent, so any code which
wants to support different semantics must use a different interface.
It's not currently worthwhile to add a new interface for this new
concept.

Document that AliasAnalysis doesn't support cross-function queries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107776 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd Debug+Asserts and Release+Asserts to svn:ignore properties.
Dan Gohman [Wed, 7 Jul 2010 14:12:28 +0000 (14:12 +0000)]
Add Debug+Asserts and Release+Asserts to svn:ignore properties.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107775 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agotypo in comment, regeneration not necessary
Gabor Greif [Wed, 7 Jul 2010 13:58:46 +0000 (13:58 +0000)]
typo in comment, regeneration not necessary

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107774 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoconditionalize by CallInst::ArgOffset
Gabor Greif [Wed, 7 Jul 2010 10:34:03 +0000 (10:34 +0000)]
conditionalize by CallInst::ArgOffset

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107767 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoconditionalize on CallInst::ArgOffset
Gabor Greif [Wed, 7 Jul 2010 09:43:45 +0000 (09:43 +0000)]
conditionalize on CallInst::ArgOffset

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107766 91177308-0d34-0410-b5e6-96231b3b80d8