Reid Spencer
35fa43907e
Make it possible to create an SCEVUnknown from an APInt as well as an int.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34816 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 22:28:51 +00:00
Reid Spencer
37eeaa729b
Add an isUnitValue method for comparison against 1. This just follows a
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common pattern with isNullValue, isAllOnesValue, etc. It also helps to
prevent things like getZExtValue() == 1, which could assert for large
bitwidths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34813 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 21:50:41 +00:00
Owen Anderson
c100b96b15
Use GCC intrinsics when available, and use smarter fallbacks when not.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34812 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 21:16:30 +00:00
Reid Spencer
53ee4f9d40
Add doubleToBits and floatToBits methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34807 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 20:39:01 +00:00
Jim Laskey
59e8434a85
Collect eh filter info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34804 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 20:25:32 +00:00
Jim Laskey
c3c1ca0f9c
Add eh filter intrinsic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34801 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 20:23:39 +00:00
Reid Spencer
ab2ed8ec85
Add bitsToDouble and bitsToFloat methods for re-interpretation of bits as FP.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34800 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 20:06:51 +00:00
Reid Spencer
0050c737c5
Drop the ConstantInt(const Type&, const APInt&) constructor. It is
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redundant and more verbose than the ConstantInt(const APInt&) constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34792 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 19:30:34 +00:00
Reid Spencer
68e2300ad9
Add methods for bit width modification: sextOrTrunc, zextOrTrunc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34789 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 17:15:32 +00:00
Evan Cheng
5196b3680c
Add a version of FindUnusedReg that restrict search to a specific set of registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:56:24 +00:00
Reid Spencer
a6e8a955d6
Remove the "isSigned" parameters from ConstantRange. It turns out they
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are not needed as the results are the same with or without it.
Patch by Nicholas Lewycky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34782 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 07:54:15 +00:00
Owen Anderson
2a934cb607
Use the GCC built-in for PopulationCount when it's available, and use a faster
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algorithm when it's not. This should be particularly noticeable in the
64-bit case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34776 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 05:41:28 +00:00
Reid Spencer
af8fb19846
Add a square root function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34775 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 05:39:56 +00:00
Reid Spencer
9e57414e69
Reduce #includage by taking a method out of line.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34774 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 04:02:06 +00:00
Reid Spencer
0bfd44918a
Add an IntegerType::getMask() method to get an APInt mask for the type.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34771 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:25:03 +00:00
Evan Cheng
28654b6205
Clean up interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34769 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:18:06 +00:00
Evan Cheng
88d1f587d2
Track all joined registers and eliminate unneeded kills after all joining are done.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34767 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:03:03 +00:00
Evan Cheng
3193a2d6b0
MachineBasicBlock fields should not be public.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34766 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 02:00:40 +00:00
Reid Spencer
bb626a6751
Move ConstantRange class to lib/Support from lib/Analysis and make its
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interface not depend on Type or ICmpInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34761 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 22:02:48 +00:00
Reid Spencer
3da43849f2
Provide an ICmpInst::makeConstantRange to generate a ConstantRange value
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from a predicate and an APInt. This is removed from ConstantRange class
so that ConstantRange doesn't have to depend on lib/VMCore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34760 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 22:00:54 +00:00
Reid Spencer
581b0d453a
For PR1205:
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Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34758 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 19:57:34 +00:00
Reid Spencer
f57fc81fae
Implement a convenience method to construct a ConstantInt directly from an
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APInt. The implied type is the integer type that corresponds to the bit
width of the APInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34757 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 19:50:21 +00:00
Reid Spencer
dc5c159701
For PR1205:
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First round of ConstantRange changes. This makes all CR constructors use
only APInt and not use ConstantInt. Clients are adjusted accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34756 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:57:32 +00:00
Jim Laskey
63f3e3fa1d
Provide a more meaningful name.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34751 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:37:50 +00:00
Reid Spencer
663e711dc2
For PR1205:
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Convert ConstantRange class to use APInt internally as its value type for
the constant range, instead of ConstantInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34745 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 17:36:23 +00:00
Reid Spencer
f2253449e2
Make APInt a little more friendly to its users:
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* Add support for + and - of a uint64_t.
* Make trunc/sext/zext return *this so it can be chained with other ops
* Add smin, smax, umin, umax functions for getting min/max values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34742 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 17:33:36 +00:00
Nate Begeman
fec910c3b9
More Mach-O writer improvements.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34740 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 07:40:50 +00:00
Chris Lattner
66baf26fe0
add methods for analysis of call results and return nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34738 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 07:09:40 +00:00
Chris Lattner
fb39f99fa4
add methods to analyze calls and formals.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34736 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 06:56:37 +00:00
Reid Spencer
84b4eeccc7
getActiveWords should return the number of words, not the index of the
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highest active words. Increment its result by one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34713 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 02:20:49 +00:00
Evan Cheng
36230cdda4
Make requiresRegisterScavenging determination on a per MachineFunction basis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:59:19 +00:00
Evan Cheng
37f15a6d48
MRegisterInfo disowns RegScavenger. It's immutable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34706 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:17:36 +00:00
Reid Spencer
9d3c519233
Add some syntactic sugar.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34704 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 23:47:33 +00:00
Evan Cheng
898218cc5e
Some more code clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34700 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:58:43 +00:00
Evan Cheng
8cab162e03
Oops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34698 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:10:52 +00:00
Reid Spencer
681dcd14e9
Implement countLeadingOnes() and getMinSignedBits(). This helps to minimize
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the bit width of negative numbers by computing the minimum bit width for a
negative value. E.g. 0x1800000000000000 could be just 0x8000000000000000
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34695 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:59:26 +00:00
Evan Cheng
bb6fb3357d
RegScavenger interface change to make it more flexible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34690 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:09:48 +00:00
Evan Cheng
171eed5334
Let MRegisterInfo owns RegScavenger.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34689 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:08:07 +00:00
Evan Cheng
659ba970e3
Pass IsImp, IsKill, and IsDead to ChangeToRegister.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34688 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:06:57 +00:00
Reid Spencer
66ed1099ff
Improve APInt interface:
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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-b5e6-96231b3b80d8
2007-02-27 20:24:31 +00:00
Reid Spencer
409f092766
Allow the RoundDoubleToAPInt function to specify a width to use.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34672 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 18:22:31 +00:00
Devang Patel
84da80d10b
Make getPassManagerType() const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 15:00:39 +00:00
Chris Lattner
13513b7a50
Minor refactoring of CC Lowering interfaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 05:13:54 +00:00
Chris Lattner
362e98a5f5
move CC Lowering stuff to its own public interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 04:43:02 +00:00
Evan Cheng
ed570dedad
forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34649 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 01:58:48 +00:00
Reid Spencer
532d0ce208
For PR1205:
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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 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 23:54:03 +00:00
Evan Cheng
edeffb37dc
Joining an interval with a dead copy instruction. Shorten the live range to the last use.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34645 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 21:37:37 +00:00
Reid Spencer
946bca5bae
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34643 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 21:06:05 +00:00
Reid Spencer
31a81f0190
1. Split getValue() into getSExtValue() and getZExtValue() to match
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ConstantInt better.
2. Add a getHashValue() method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34641 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 20:57:12 +00:00
Reid Spencer
f99705e898
Implement inline methods that make transition of ConstantInt to use APInt
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easier to comprehend and might be useful elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34635 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26 17:50:32 +00:00