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2007-05-14Correct a few comments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37034 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-13Fix Transforms/GlobalOpt/2007-05-13-Crash.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37020 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-11significantly improve debug output of lsrChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36996 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-11Fix typos.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36994 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-11This patch extends the LoopUnroll pass to be able to unroll loopsDan Gohman
with unknown trip counts. This is left off by default, and a command-line option enables it. It also begins to separate loop unrolling into a utility routine; eventually it might be made usable from other passes. It currently works by inserting conditional branches between each unrolled iteration, unless it proves that the trip count is a multiple of a constant integer > 1, which it currently only does in the rare case that the trip count expression is a Mul operator with a ConstantInt operand. Eventually this information might be provided by other sources, for example by a pass that peels/splits the loop for this purpose. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36990 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-11fix regressions from my previous checking, includingChris Lattner
Transforms/InstCombine/2006-12-08-ICmp-Combining.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36989 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-11fix Transforms/InstCombine/2007-05-10-icmp-or.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36984 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-09Fix PR1333Devang Patel
Testcases : http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049451.html http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049452.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36955 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-08Fix various whitespace inconsistencies.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36936 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-08Correct the comment for ApproximateLoopSize to reflect what it actually does.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36935 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-08Don't generate branch to entry block.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36917 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-06Fix PR1395, by passing the ID correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36894 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-06Fix typo in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36873 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-06Fix a bug in my previous patchChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36857 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-05Implement Transforms/InstCombine/cast_ptr.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36809 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-05wrap long linesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36807 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-05Fix Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll and PR1385.Chris Lattner
If we have a LCSSA, only modify the input value if the inval was defined by an instruction in the loop. If defined by something before the loop, it is still valid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-05make a temporary for *SI, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36782 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-05Fix InstCombine/2007-05-04-Crash.ll and PR1384Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36775 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-04Use IntrinsicInst to test for prefetch instructions, which is ever soDan Gohman
slightly nicer than using CallInst with an extra check; thanks Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36743 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-03Allow strength reduction to make use of addressing modes for theDan Gohman
address operand in a prefetch intrinsic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36713 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-03Drop 'const'Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-02Use 'static const char' instead of 'static const int'.Devang Patel
Due to darwin gcc bug, one version of darwin linker coalesces static const int, which defauts PassID based pass identification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-02Fix build error.Lauro Ramos Venancio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36648 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-01Do not use typeinfo to identify pass in pass manager.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-29Implement review feedbackAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36564 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28Implement review feedback. Aliasees can be either GlobalValue's orAnton Korobeynikov
bitcasts of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28fix a bug triggered by 403.gccChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36527 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28Fix several latent bugs in EmitGEPOffset that didn't manifest with itsChris Lattner
previous clients. This fixes MallocBench/gs git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36525 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28uhn zap cvsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36523 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28Implement PR1345 and Transforms/InstCombine/bitcast-gep.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36521 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-27refactor some code relating to pointer cast xforms, pulling it out of the ↵Chris Lattner
codepath for unrelated casts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36511 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-26Using APInt more efficiently.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36475 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25Mem2Reg does not need TargetData.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36444 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25Remove unused function argument.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36441 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25Implement aliases. This fixes PR1017 and it's dependent bugs. CFE partAnton Korobeynikov
will follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25If an alloca only has two types of uses: 1) reads 2) a memcpy/memmove thatChris Lattner
copies from a constant global, then we can change the reads to read from the global instead of from the alloca. This eliminates the alloca and the memcpy, and promotes secondary optimizations (because the loads are now loads from a constant global). This is important for a common C idiom: void foo() { int A[] = {1,2,3,4,5,6,7,8,9...}; ... only reads of A ... } For some reason, people forget to mark the array static or const. This triggers on these multisource benchmarks: JM/ldecode: block_pos, [3 x [4 x [4 x i32]]] FreeBench/mason: m, [18 x i32], inlined 4 times MiBench/office-stringsearch: search_strings, [1332 x i8*] MiBench/office-stringsearch: find_strings, [1333 x i8*] Prolangs-C++/city: dirs, [9 x i8*], inlined 4 places and these spec benchmarks: 177.mesa: message, [8 x [32 x i8]] 186.crafty: bias_rl45, [64 x i32] 186.crafty: diag_sq, [64 x i32] 186.crafty: empty, [9 x i8] 186.crafty: xlate, [15 x i8] 186.crafty: status, [13 x i8] 186.crafty: bdinfo, [25 x i8] 445.gobmk: routines, [16 x i8*] 458.sjeng: piece_rep, [14 x i8*] 458.sjeng: t, [13 x i32], inlined 4 places. 464.h264ref: block8x8_idx, [3 x [4 x [4 x i32]]] 464.h264ref: block_pos, [3 x [4 x [4 x i32]]] 464.h264ref: j_off_tab, [12 x i32] This implements Transforms/ScalarRepl/memcpy-from-global.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36429 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25refactor the SROA code out into its own method, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36426 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25Undo my previous changes. Since my approach to this problem is being revised,Owen Anderson
this approach is no longer appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36421 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25FixDevang Patel
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070423/048376.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36417 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-24Rollback some changes that adversely affected performance. I'm currently ↵Owen Anderson
rethinking my approach to this, so hopefully I'll find a way to do this without making this slower. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36392 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-23FixDevang Patel
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070423/048333.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36380 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-21Make PredicateSimplifier not use DominatorTree.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36300 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-21Fix a comment.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36299 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-20Comment out usage of write() for now.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36287 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-20Avoid recursion.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36272 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-20Move more passes to using ETForest instead of DominatorTree.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36271 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-19Make use of ConstantInt::isZero instead of ConstantInt::isNullValue.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36261 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-19Make the operations of APInt variables more efficient.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36260 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-18Revert Owen's last check-in. This is breaking Mac OS X / PPC llvm-gcc bootstrap.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36258 91177308-0d34-0410-b5e6-96231b3b80d8
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