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* Fix header.Owen Anderson2007-09-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42249 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor the dominator tree calculation details out into ↵Owen Anderson2007-09-232-267/+294
| | | | | | | | | | | | | | DominatorCalculation.h. This change is not useful in and of itself, but it lays the groundwork for combining the dominator and postdominator implementations. Also, factor a few methods that are common to DominatorTree and PostDominatorTree into DominatorTreeBase. Again, this will make merging the two calculation methods simpler in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42248 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR 1681. When X86 target uses +sse -sse2,Dale Johannesen2007-09-237-87/+164
| | | | | | | | | | | | keep f32 in SSE registers and f64 in x87. This is effectively a new codegen mode. Change addLegalFPImmediate to permit float and double variants to do different things. Adjust callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1679, by printing GEP indices as signed values instead of unsigned.Chris Lattner2007-09-221-1/+2
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* initialize isstore/isload fields in ctor, fixing PR1695Chris Lattner2007-09-221-0/+2
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* Handle storage complications of float->float conversions.Neil Booth2007-09-221-18/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42220 91177308-0d34-0410-b5e6-96231b3b80d8
* Change APFloat::convertFromInteger to take the incomingDale Johannesen2007-09-215-23/+31
| | | | | | | | | | | | bit width instead of number of words allocated, which makes it actually work for int->APF conversions. Adjust callers. Add const to one of the APInt constructors to prevent surprising match when called with const argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42210 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1692Devang Patel2007-09-211-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42209 91177308-0d34-0410-b5e6-96231b3b80d8
* #ifdef out unsafe tracing code, which fixes PR1689Chris Lattner2007-09-211-15/+17
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* don't read Block after it is freed. This fixes PR1684Chris Lattner2007-09-211-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42204 91177308-0d34-0410-b5e6-96231b3b80d8
* initialize SetCCResultContents, fixing PR1693Chris Lattner2007-09-211-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42193 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't add a default STACK_ALIGN (use the generic ABI alignment)Rafael Espindola2007-09-212-8/+6
| | | | | | | Implement calls to functions with byval arguments on X86 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42192 91177308-0d34-0410-b5e6-96231b3b80d8
* small cleanup: use LowerMemArgument in LowerFastCCArguments alsoRafael Espindola2007-09-211-6/+1
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* Add partial caching of non-local memory dependence queries. This provides a ↵Owen Anderson2007-09-212-3/+34
| | | | | | | | | modest speedup for GVN. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42185 91177308-0d34-0410-b5e6-96231b3b80d8
* Honor user-defined section specification of a global, ignores whether its ↵Evan Cheng2007-09-213-8/+7
| | | | | | initializer is null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42182 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR 1688. See comments there.Dale Johannesen2007-09-201-13/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42181 91177308-0d34-0410-b5e6-96231b3b80d8
* Update aux. info associated with an instruction before erasing instruction.Devang Patel2007-09-201-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42180 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not override user specified section.Devang Patel2007-09-201-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42179 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't increment invalid iterator.Devang Patel2007-09-201-1/+2
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* Fix dumb regression in constant folding (Regression/C/casts)Dale Johannesen2007-09-201-1/+1
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* Fix several more entries in the x86 reload/remat folding tables.Dan Gohman2007-09-201-18/+18
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* another long double bugletDale Johannesen2007-09-201-0/+1
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* Fix optimization. %x = sub %x, %y does not imply that %y is zero.Nick Lewycky2007-09-201-1/+1
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* Enable if-conversion for ARM by default.Evan Cheng2007-09-201-3/+3
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* More long double fixes. x86_64 should build now.Dale Johannesen2007-09-195-21/+63
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* Avoid referencing deleted instruction.Evan Cheng2007-09-191-5/+26
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* Avoid unsafe promotion.Devang Patel2007-09-191-9/+41
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* PSHUFDmi, etc. are actually folding a load, not a store.Evan Cheng2007-09-191-3/+3
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* Fix longdouble -> uint conversion.Dale Johannesen2007-09-191-2/+3
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* reject things like "declare internal @foo"Chris Lattner2007-09-191-2/+11
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* Add a flag to mark a dirty cache entry. This is not yet used, but will ↵Owen Anderson2007-09-191-0/+1
| | | | | | | | | eventually help non-local memdep caching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42137 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some long double issues.Dale Johannesen2007-09-191-19/+21
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* Improve comment.Duncan Sands2007-09-191-1/+2
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* Partial fix for PR1678: correct some parts of constantDuncan Sands2007-09-191-2/+4
| | | | | | | | fold that were missed in the fix for PR1646. Probably this null/not-null logic should be factorized somewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42131 91177308-0d34-0410-b5e6-96231b3b80d8
* A global variable with external weak linkage can be null, whileDuncan Sands2007-09-191-2/+6
| | | | | | | an alias could alias such a global variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42130 91177308-0d34-0410-b5e6-96231b3b80d8
* Use struct SDep instead of std::pair for SUnit pred and succ lists. First stepEvan Cheng2007-09-194-36/+36
| | | | | | | in tracking physical register output dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42125 91177308-0d34-0410-b5e6-96231b3b80d8
* Set CCR (EFLAGS) copy cost to -1, i.e. extremely expensive to copy.Evan Cheng2007-09-191-1/+3
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* Add CopyCost to TargetRegisterClass. This specifies the cost of copying a valueEvan Cheng2007-09-191-0/+6
| | | | | | | between two registers in the specific class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42123 91177308-0d34-0410-b5e6-96231b3b80d8
* Relax loop ExitCondition predicate restriction.Devang Patel2007-09-191-5/+7
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* Filter loops where split condition's false branch is not empty. For exampleDevang Patel2007-09-191-0/+4
| | | | | | | | | | | | for (int i = 0; i < N; ++i) { if (i == somevalue) dosomething(); else dosomethingelse(); } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42121 91177308-0d34-0410-b5e6-96231b3b80d8
* Bail out early, before modifying anything.Devang Patel2007-09-191-4/+5
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* Work is incomplete. Loop is not modified at all right now.Devang Patel2007-09-191-1/+1
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* ooops...Devang Patel2007-09-181-1/+1
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* Fix a bogus splat xform:Evan Cheng2007-09-181-2/+1
| | | | | | | | | shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2> != <undef, undef, x, undef> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42111 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent crash on long double.Dale Johannesen2007-09-181-0/+4
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* Tests of the ocaml (and thus C) bindings for constants.Gordon Henriksen2007-09-181-0/+8
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* Move the entries for 64-bit CMP, IMUL, and a few others into the correctDan Gohman2007-09-181-6/+11
| | | | | | | | tables so that they are eligible for reload/remat folding. And add entries for JMP and CALL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42094 91177308-0d34-0410-b5e6-96231b3b80d8
* Incorporating review feedback for GC verifier patch.Gordon Henriksen2007-09-181-11/+5
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* Don't pass back a reference to a temporary.Bill Wendling2007-09-181-2/+1
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* The exception handling function info should be reset for each newBill Wendling2007-09-181-4/+2
| | | | | | | | | function. The information isn't used heavily -- it's only used at the end of exception handling emission -- so there's no need to cache it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42078 91177308-0d34-0410-b5e6-96231b3b80d8
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