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2006-05-29Reset DEBUG_SYMBOL_TABLE back to 0.Vladimir Prus
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28538 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-29Fix compile error when DEBUG_SYMBOL_TABLE is defined.Vladimir Prus
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28537 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-29Fix grammar in a comment.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28534 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-29Add Use replacement. Assuming there is nothing horribly wrong with this, LCSSAOwen Anderson
is now theoretically feature-complete. It has not, however, been thoroughly test, and is still considered experimental. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28529 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-28Major think-o. Iterate over all live out-of-loop values, and perform theOwen Anderson
other calculations on each individually, rather than trying to delay it and do them all at the end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28527 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Make LCSSA insert proper Phi nodes throughout the rest of the CFG by computingOwen Anderson
the iterated Dominance Frontier of the loop-closure Phi's. This is the second phase of the LCSSA pass. The third phase (coming soon) will be to update all uses of loop variables to use the loop-closure Phi's instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28524 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Fix some regression from the inliner patch I committed last night. This fixesChris Lattner
ldecod, lencod, and SPASS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28523 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Switch the inliner over to using CloneAndPruneFunctionInto. This effectivelyChris Lattner
makes it so that it constant folds instructions on the fly. This is good for several reasons: 0. Many instructions are constant foldable after inlining, particularly if inlining a call with constant arguments. 1. Without this, the inliner has to allocate memory for all of the instructions that can be constant folded, then a subsequent pass has to delete them. This gets the job done without this extra work. 2. This makes the inliner *pass* a bit more aggressive: in particular, it partially solves a phase order issue where the inliner would inline lots of code that folds away to nothing, but think that the resultant function is big because of this code that will be gone. Now the code never exists. This is the first part of a 2-step process. The second part will be smart enough to see when this implicit constant folding propagates a constant into a branch or switch instruction, making CFG edges dead. This implements Transforms/Inline/inline_constprop.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28521 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Ignore generated filesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28520 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Implement a new method, CloneAndPruneFunctionInto, as documented.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28519 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Refactor some code to expose an interface to constant fold and instruction ↵Chris Lattner
given it's opcode, typeand operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28517 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27Fix a nasty dag combiner bug that caused nondeterminstic crashes (MY FAVORITE!):Chris Lattner
SimplifySelectOps would eliminate a Select, delete it, then return true. The clients would see that it did something and return null. The top level would see a null return, and decide that nothing happened, proceeding to process the node in other ways: boom. The fix is simple: clients of SimplifySelectOps should return the select node itself. In order to catch really obnoxious boogs like this in the future, add an assert that nodes are not deleted. We do this by checking for a sentry node type that the SDNode dtor sets when a node is destroyed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28514 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-27A few small clean-ups, and the addition of an LCSSA statistic.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28512 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Make CALL node consistent with RET node. Signness of value has type MVT::i32Evan Cheng
instead of MVT::i1. Either is fine except MVT::i32 is probably a legal type for most (if not all) platforms while MVT::i1 is not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28511 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Change RET node to include signness information of the return values. i.e.Evan Cheng
RET chain, value1, sign1, value2, sign2, ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28510 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Change RET node to include signness information of the return values. e.g.Evan Cheng
RET chain, value1, sign1, value2, sign2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28509 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Fix a copy-and-paste-o that would break some compilers.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28507 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Clean up and refactor LCSSA a bunch. It should also run faster now, thoughOwen Anderson
there's still a lot of work to be done on it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28506 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Vector argument must be passed in memory location aligned on 16-byte boundary.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28505 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Mac OS X ABI document lied. The first four XMM registers are used to passEvan Cheng
vector arguments, not three. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28504 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Implement Transforms/InstCombine/store.ll:test2.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28503 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Fix a bug in the bc reader/writer: we were not correctly encoding varargsChris Lattner
nonccc calls (we were dropping the CC and tail flag). This broke several FORTRAN programs. Testcase here: Regression/Assembler/2006-05-26-VarargsCallEncode.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28501 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Minor update to make the code more clearEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28499 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Update more comments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28498 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Fix some comments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28497 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26No need to handle illegal types.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28496 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Skeletal LCSSA pass. This is currently non-functional. Expect functionalityOwen Anderson
and documentation updates soo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28495 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26On ARM, alignment is in bitsRafael Espindola
Add lr as a hard coded operand of bx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28494 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Remove a couple of bogus casts.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28493 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Remove a bogus cast.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28492 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Minor bug caught by Ashwin ChandraEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28491 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-26Transform things like (splat(splat)) -> splatChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28490 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Introduce a helper function that simplifies interpretation of shuffle masks.Chris Lattner
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28489 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25ConsistencyEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28488 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Turn (cast (shuffle (cast)) -> shuffle (cast) if it reduces the # casts inChris Lattner
the program. This exposes more opportunities for the instcombiner, and implements vec_shuffle.ll:test6 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28487 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25extract element from a shuffle vector can be trivially turned into anChris Lattner
extractelement from the SV's source. This implement vec_shuffle.ll:test[45] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28485 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Some clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28483 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Add support for the missing FP condition codesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28482 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Remove some dead code.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28481 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25X86 / Cygwin asm / alignment fixes.Evan Cheng
Patch contributed by Anton Korobeynikov! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28480 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Revert a patch that is unsafe, due to out of range array accesses in innerChris Lattner
array scopes possibly accessing valid memory in outer subscripts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28478 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Build breakage.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28475 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Fix build failure of povrayChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28473 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Fix Benchmarks/MallocBench/cfracChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28471 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25implement initial version of ARMAsmPrinter::printOperandRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28470 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25port the ARM backend to use ISD::CALL instead of LowerCallToRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28469 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Turn on -sched-commute-nodes by default.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28465 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25Switch X86 over to a call-selection model where the lowering code createsEvan Cheng
the copyto/fromregs instead of making the X86ISD::CALL selection code create them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28463 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25CALL node change (arg / sign pairs instead of just arguments).Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28462 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-25CALL node change: now including signness of every argument.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28461 91177308-0d34-0410-b5e6-96231b3b80d8
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