Evan Cheng [Tue, 27 Feb 2007 21:44:08 +0000 (21:44 +0000)]
Backing out
CodeGenTarget.cpp updated: 1.82 -> 1.83
Record.cpp updated: 1.55 -> 1.56
Record.h updated: 1.59 -> 1.60
TableGen.cpp updated: 1.47 -> 1.48
It's missing CallingConvEmitter.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34693
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 21:12:35 +0000 (21:12 +0000)]
Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 21:10:33 +0000 (21:10 +0000)]
Let MRegisterInfo now owns RegScavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34691
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 21:09:48 +0000 (21:09 +0000)]
RegScavenger interface change to make it more flexible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34690
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 21:08:07 +0000 (21:08 +0000)]
Let MRegisterInfo owns RegScavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34689
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 21:06:57 +0000 (21:06 +0000)]
Pass IsImp, IsKill, and IsDead to ChangeToRegister.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34688
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Reid Spencer [Tue, 27 Feb 2007 20:46:44 +0000 (20:46 +0000)]
This test passes on x86/Linux now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34686
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Chris Lattner [Tue, 27 Feb 2007 20:45:02 +0000 (20:45 +0000)]
implement CCMatchIfCC in terms of CCMatchIf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34685
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 20:44:31 +0000 (20:44 +0000)]
build cc info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34684
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 20:44:12 +0000 (20:44 +0000)]
target for generating CC info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34683
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 20:43:37 +0000 (20:43 +0000)]
initial support for calling convention generation, still unfinished.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34682
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 20:25:25 +0000 (20:25 +0000)]
Adjust to changes in the APInt interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34681
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 20:24:31 +0000 (20:24 +0000)]
Improve APInt interface:
1. Add unsigned and signed versions of methods so a "bool" argument doesn't
need to be passed in.
2. Make the various getMin/getMax functions all be inline since they are
so simple.
3. Simplify sdiv and srem code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34680
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 19:31:09 +0000 (19:31 +0000)]
Conform to single person attribution in file comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34678
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 19:29:54 +0000 (19:29 +0000)]
For PR1205:
Implement review feedback:
1. Use new APInt::RoundDoubleToAPInt interface to specify the bit width so
that we don't have to truncate or extend in constant folding.
2. Fix a pasteo in SDiv that prevented a check for overflow.
3. Fix the shift operators: undef happens when the shift amount is equal
to the bitwidth.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34677
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 19:26:40 +0000 (19:26 +0000)]
Update for constant folding now generating undef and overflow correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34676
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 19:22:36 +0000 (19:22 +0000)]
Shifting by the bit width now produces undef, not 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34675
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 18:23:40 +0000 (18:23 +0000)]
1. Fix three serious bugs in the comparison code.
2. Change RoundDoubleToAPInt to take a bit width parameter. Use that
parameter to limit the bit width of the result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34673
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 18:22:31 +0000 (18:22 +0000)]
Allow the RoundDoubleToAPInt function to specify a width to use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34672
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 17:21:09 +0000 (17:21 +0000)]
a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670
91177308-0d34-0410-b5e6-
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Devang Patel [Tue, 27 Feb 2007 15:00:39 +0000 (15:00 +0000)]
Make getPassManagerType() const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669
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Nicolas Geoffray [Tue, 27 Feb 2007 13:10:41 +0000 (13:10 +0000)]
Fix parenthesis for BCTRL_{ELF|Macho} test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668
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Nicolas Geoffray [Tue, 27 Feb 2007 13:01:19 +0000 (13:01 +0000)]
Differentiate between the MachO and the ELF ABI the CALL instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34667
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Jim Laskey [Tue, 27 Feb 2007 11:55:45 +0000 (11:55 +0000)]
Duplicate use of LR, take 2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666
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Nicolas Geoffray [Tue, 27 Feb 2007 10:44:42 +0000 (10:44 +0000)]
Added myself
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34665
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Reid Spencer [Tue, 27 Feb 2007 08:34:09 +0000 (08:34 +0000)]
Allow the AsmWriter to print out arbitrary precision integers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34664
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Reid Spencer [Tue, 27 Feb 2007 07:57:53 +0000 (07:57 +0000)]
Correct the implelmentation of ConstantInt::getAllOnesValue() for bit
widths > 64 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34663
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Reid Spencer [Tue, 27 Feb 2007 07:35:18 +0000 (07:35 +0000)]
Get rid of extraneous // in file comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34662
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Chris Lattner [Tue, 27 Feb 2007 06:59:52 +0000 (06:59 +0000)]
Add calling convention info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 06:23:51 +0000 (06:23 +0000)]
For PR1205:
Implement constant folding via APInt instead of uint64_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34660
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 05:57:32 +0000 (05:57 +0000)]
move target independent calling convention stuff to TargetCallingConv.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659
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Chris Lattner [Tue, 27 Feb 2007 05:51:05 +0000 (05:51 +0000)]
fill in some holes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658
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Chris Lattner [Tue, 27 Feb 2007 05:28:59 +0000 (05:28 +0000)]
switch x86-64 return value lowering over to using same mechanism as argument
lowering uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657
91177308-0d34-0410-b5e6-
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Chris Lattner [Tue, 27 Feb 2007 05:13:54 +0000 (05:13 +0000)]
Minor refactoring of CC Lowering interfaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656
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Chris Lattner [Tue, 27 Feb 2007 04:43:02 +0000 (04:43 +0000)]
move CC Lowering stuff to its own public interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655
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Chris Lattner [Tue, 27 Feb 2007 04:18:15 +0000 (04:18 +0000)]
refactor x86-64 argument lowering yet again, this time eliminating templates,
'clients', etc, and adding CCValAssign instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654
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Chris Lattner [Tue, 27 Feb 2007 03:05:06 +0000 (03:05 +0000)]
ConstantFolding.cpp/h -> ConstantFold.cpp/h to avoid confusion with
lib/Analysis/ConstantFolding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34653
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Evan Cheng [Tue, 27 Feb 2007 02:55:29 +0000 (02:55 +0000)]
Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrapping
to infinite loop:
PPCMachineFunctionInfo.h updated: 1.2 -> 1.3
PPCRegisterInfo.cpp updated: 1.110 -> 1.111
PPCRegisterInfo.h updated: 1.28 -> 1.29
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34652
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Reid Spencer [Tue, 27 Feb 2007 02:45:12 +0000 (02:45 +0000)]
XFAIL this on x86-Linux until its fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34651
91177308-0d34-0410-b5e6-
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Reid Spencer [Tue, 27 Feb 2007 02:34:02 +0000 (02:34 +0000)]
Remove test cases that produce undefined results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34650
91177308-0d34-0410-b5e6-
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Evan Cheng [Tue, 27 Feb 2007 01:58:48 +0000 (01:58 +0000)]
forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34649
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Reid Spencer [Tue, 27 Feb 2007 01:28:10 +0000 (01:28 +0000)]
Simplify and document RoundDoubleToAPInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34648
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 23:54:03 +0000 (23:54 +0000)]
For PR1205:
Implement the first step towards arbitrary precision integer support in
LLVM. The APInt class provides arbitrary precision arithmetic and value
representation. This patch changes ConstantInt to use APInt as its value
representation without supporting bit widths > 64 yet. That change will
come after ConstantFolding handles bit widths > 64 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34647
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Reid Spencer [Mon, 26 Feb 2007 23:38:21 +0000 (23:38 +0000)]
1. Make sure all delete operators of arrays use the array form of delete.
2. Rewrite operator=(const APInt& RHS) to allow the RHS to be a different
bit width than the LHS. This makes it possible to use APInt as the key
of a DenseMap, as needed for the IntConstants map in Constants.cpp
3. Fix operator=(uint64_t) to clear unused bits in case the client assigns
a value that has more bits than the APInt allows.
4. Assert that bit widths are equal in operator==
5. Revise getHashValue() to put the bit width in the low order six bits.
This should help to make i1 0, i2 0, ... i64 0 all distinct in the
IntConstants DenseMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34646
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Evan Cheng [Mon, 26 Feb 2007 21:37:37 +0000 (21:37 +0000)]
Joining an interval with a dead copy instruction. Shorten the live range to the last use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34645
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 21:06:05 +0000 (21:06 +0000)]
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34643
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 21:02:27 +0000 (21:02 +0000)]
Implement the getHashValue method.
Fix toString use of getValue to use getZExtValue()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34642
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Reid Spencer [Mon, 26 Feb 2007 20:57:12 +0000 (20:57 +0000)]
1. Split getValue() into getSExtValue() and getZExtValue() to match
ConstantInt better.
2. Add a getHashValue() method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34641
91177308-0d34-0410-b5e6-
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Devang Patel [Mon, 26 Feb 2007 20:22:50 +0000 (20:22 +0000)]
Use efficient container SmallPtrSet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34640
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Chris Lattner [Mon, 26 Feb 2007 19:44:02 +0000 (19:44 +0000)]
always lower to RETFLAG, never leave it as just ret.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34639
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Devang Patel [Mon, 26 Feb 2007 19:31:58 +0000 (19:31 +0000)]
Do not unswitch loop on same value again and again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34638
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 26 Feb 2007 18:56:07 +0000 (18:56 +0000)]
fix attribution
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34637
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 26 Feb 2007 18:17:14 +0000 (18:17 +0000)]
Add a description of the X86-64 calling convention and the return
conventions. This doesn't do anything yet, but may in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34636
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 17:50:32 +0000 (17:50 +0000)]
Implement inline methods that make transition of ConstantInt to use APInt
easier to comprehend and might be useful elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34635
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Reid Spencer [Mon, 26 Feb 2007 08:10:54 +0000 (08:10 +0000)]
Re-enable this. The header was committed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34634
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Chris Lattner [Mon, 26 Feb 2007 07:59:53 +0000 (07:59 +0000)]
switch to smallvector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633
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Chris Lattner [Mon, 26 Feb 2007 07:51:00 +0000 (07:51 +0000)]
another missing header :( :( :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34632
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Chris Lattner [Mon, 26 Feb 2007 07:50:02 +0000 (07:50 +0000)]
initial hack at splitting the x86-64 calling convention info out from the
mechanics that process it. I'm still not happy with this, but it's a step
in the right direction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34631
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 07:45:40 +0000 (07:45 +0000)]
Make isNegative() a const function since it doesn't modify the APInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34630
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Reid Spencer [Mon, 26 Feb 2007 07:44:38 +0000 (07:44 +0000)]
1. Remove redundant calls to clearUsedBits().
2. Fix countTrailingZeros to use a faster algorithm.
3. Simplify sext() slightly by using isNegative().
4. Implement ashr using word-at-a-time logic instead of bit-at-a-time
5. Rename locals named isNegative so they don't clash with method name.
6. Fix fromString to compute negated value correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34629
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Chris Lattner [Mon, 26 Feb 2007 05:21:05 +0000 (05:21 +0000)]
the truncate must always be done, it's only the assert that is conditional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34628
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Chris Lattner [Mon, 26 Feb 2007 05:02:39 +0000 (05:02 +0000)]
reapply my previous patch with a bugfix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34627
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Chris Lattner [Mon, 26 Feb 2007 04:43:19 +0000 (04:43 +0000)]
revert my previous change, something strange is happening.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34626
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Chris Lattner [Mon, 26 Feb 2007 04:01:25 +0000 (04:01 +0000)]
add an accessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34625
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Chris Lattner [Mon, 26 Feb 2007 03:34:38 +0000 (03:34 +0000)]
emit an enum value for the # of target registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34624
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Chris Lattner [Mon, 26 Feb 2007 03:18:56 +0000 (03:18 +0000)]
in X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input.
Capture this so that downstream zext/sext's are optimized out. This
compiles:
int test(short X) { return (int)X; }
to:
_test:
movl %edi, %eax
ret
instead of:
_test:
movswl %di, %eax
ret
GCC produces this bizarre code:
_test:
movw %di, -12(%rsp)
movswl -12(%rsp),%eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34623
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 26 Feb 2007 03:16:20 +0000 (03:16 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34622
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Chris Lattner [Mon, 26 Feb 2007 03:13:59 +0000 (03:13 +0000)]
Fold (sext (truncate x)) more aggressively, by avoiding creation of a
sextinreg if not needed. This is useful in two cases: before legalize,
it avoids creating a sextinreg that will be trivially removed. After legalize
if the target doesn't support sextinreg, the trunc/sext would not have been
removed before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34621
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Chris Lattner [Mon, 26 Feb 2007 02:56:58 +0000 (02:56 +0000)]
track signedness of formal argument, though we have a fixme here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34620
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Reid Spencer [Mon, 26 Feb 2007 01:20:59 +0000 (01:20 +0000)]
Add an isNegative method to determine if the APInt's value is negative.
This is much less expensive than a test against zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34619
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 26 Feb 2007 01:19:48 +0000 (01:19 +0000)]
Rewrite lshr to not do bit by bit copy but to copy and shift whole words.
This makes it much more efficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34618
91177308-0d34-0410-b5e6-
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Reid Spencer [Sun, 25 Feb 2007 23:54:00 +0000 (23:54 +0000)]
Fix sext operation. Shifting by zero would leave an incorrect mask.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34617
91177308-0d34-0410-b5e6-
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Reid Spencer [Sun, 25 Feb 2007 23:44:53 +0000 (23:44 +0000)]
1. Fix the flip() method to correctly flip all words of the APInt.
2. Implement the trunc, sext, and zext operations.
3. Improve fromString to accept negative values as input.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34616
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 25 Feb 2007 23:10:46 +0000 (23:10 +0000)]
Fix an X86-64 abi bug. We now compile:
void foo(short);
void bar(unsigned short A) {
foo(A);
}
into:
_bar:
subq $8, %rsp
movswl %di, %edi
call _foo
addq $8, %rsp
ret
instead of:
_bar:
subq $8, %rsp
call _foo
addq $8, %rsp
ret
Testcase here: test/CodeGen/X86/x86-64-shortint.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34615
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Chris Lattner [Sun, 25 Feb 2007 23:08:29 +0000 (23:08 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34614
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Chris Lattner [Sun, 25 Feb 2007 22:23:46 +0000 (22:23 +0000)]
fix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last
night: fastcc returns should only go in XMM0 if we have SSE2 or above.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34613
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Chris Lattner [Sun, 25 Feb 2007 22:23:15 +0000 (22:23 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34612
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Chris Lattner [Sun, 25 Feb 2007 22:02:01 +0000 (22:02 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34611
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Jim Laskey [Sun, 25 Feb 2007 21:43:59 +0000 (21:43 +0000)]
Fix for PR1224.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34610
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Jim Laskey [Sun, 25 Feb 2007 21:43:21 +0000 (21:43 +0000)]
Test for PR1224.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34609
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Chris Lattner [Sun, 25 Feb 2007 21:06:13 +0000 (21:06 +0000)]
Rework GlobalValue::removeDeadConstantUsers to always remove dead constant
exprs hanging off a global, even if the global is not otherwise dead. This
requires some tricky iterator gymnastics.
This implements Transforms/GlobalOpt/constantexpr-dangle.ll by deleting a
constantexpr that made it appear that the address of the function was taken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34608
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Chris Lattner [Sun, 25 Feb 2007 21:04:39 +0000 (21:04 +0000)]
new testcase. @foo should be marked fastcc by globalopt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34607
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Chris Lattner [Sun, 25 Feb 2007 20:42:59 +0000 (20:42 +0000)]
disable some noisy debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34606
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Chris Lattner [Sun, 25 Feb 2007 20:01:40 +0000 (20:01 +0000)]
no really, this is the right patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34605
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Chris Lattner [Sun, 25 Feb 2007 19:59:18 +0000 (19:59 +0000)]
always promote float varargs to double.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34604
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Reid Spencer [Sun, 25 Feb 2007 19:32:03 +0000 (19:32 +0000)]
1. Provide more detail in file comment.
2. Move comments for methods to .h file, delete them in .cpp file.
3. All places that were doing manual clear of high order bits now call the
clearUnusedBits() method in order to not depend on undefined behavior
of the >> operator when the number of bits shifted equals the word size.
4. Reduced # of loc by using the new result of clearUnusedBits() method.
5. Simplified logic (decreased indentation) in a few places.
6. Added code comments to larger functions that needed them.
7. Added FIXME notes about weak implementations of things (e.g. bit-by-bit
shift right is sub-optimal).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34603
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Reid Spencer [Sun, 25 Feb 2007 19:26:01 +0000 (19:26 +0000)]
Fix clearUnusedBits to not depend on "undefined behavior" of >> operator
when the bit size is equal to the word size. This happens to work out okay
on x86, but might not on other platforms. The change just detects when
there are no bits to clear (because BitWidth is a multiple of the word size)
and returns early.
Also, move some comments from .cpp file into header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34602
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Chris Lattner [Sun, 25 Feb 2007 19:20:53 +0000 (19:20 +0000)]
one important bugfix: PPC32 didn't have both elf and macho support for
external symbols and global addresses. Add the missing ones.
one important workaround: PPCISD::CALL is matched by both PPCcall_ELF
and PPCcall_Macho, disable the _ELF patterns for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34601
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Chris Lattner [Sun, 25 Feb 2007 18:50:48 +0000 (18:50 +0000)]
add -enable-eh
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34600
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Chris Lattner [Sun, 25 Feb 2007 18:40:32 +0000 (18:40 +0000)]
optimize duplicate ValueMap lookups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34599
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Dale Johannesen [Sun, 25 Feb 2007 18:31:31 +0000 (18:31 +0000)]
cosmetic changes from review of last patch. obvious
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34598
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Evan Cheng [Sun, 25 Feb 2007 09:51:27 +0000 (09:51 +0000)]
A couple of more places where a register liveness has been extended and its last kill should be updated accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34597
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Evan Cheng [Sun, 25 Feb 2007 09:47:31 +0000 (09:47 +0000)]
Add an assertion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34596
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Evan Cheng [Sun, 25 Feb 2007 09:46:31 +0000 (09:46 +0000)]
Fix a couple of bugs related IsDead back propagation during coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34595
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Evan Cheng [Sun, 25 Feb 2007 09:41:59 +0000 (09:41 +0000)]
If the liveinterval of the source instruction has been extended, remove the IsKill marker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34594
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Evan Cheng [Sun, 25 Feb 2007 09:39:02 +0000 (09:39 +0000)]
Only add liveinterval to livein set if it isn't assigned a stack slot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34593
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Chris Lattner [Sun, 25 Feb 2007 09:31:16 +0000 (09:31 +0000)]
fastcc functions that return double values now return them in xmm0 on x86-32.
This implements CodeGen/X86/fp-stack-ret.ll:test[23]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34592
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Chris Lattner [Sun, 25 Feb 2007 09:30:03 +0000 (09:30 +0000)]
verify that double is returned in XMM0 if the function is fastcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34591
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Chris Lattner [Sun, 25 Feb 2007 09:14:25 +0000 (09:14 +0000)]
allow vectors to be passed to stdcall/fastcall functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590
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Chris Lattner [Sun, 25 Feb 2007 09:12:39 +0000 (09:12 +0000)]
move LowerRET into the 'Return Value Calling Convention Implementation'
section of the file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34589
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