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2004-03-25New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12518 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-25Minor efficiency improvement, finegrainify namespacificationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12517 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-25Add note about setting up linux systems to directly execute LLVM bytecode filesChris Lattner
Fixes PR303 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12516 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19Hrm, we were leaking ~1M of garbage that valgrind never told us about becauseChris Lattner
it was "reachable". Cute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12515 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19Add a dose of reality into the release notesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12510 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19Teach the optimizer to delete zero sized alloca's (but not mallocs!)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12507 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19New testcase, the optimizer can delete zero sized allocasChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12506 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19Perhaps the last bugfix before the release? HOPEFULLY! :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12505 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19Fix PR299: [Sparc] Code generator asserts on alloc of zero size typeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12504 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Malloc doesn't kill a load. This patch need not go into 1.2 though.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12500 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix a minor wording bug in the manualChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12496 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18This is the last remaining bug that I know of in the loop extractor. The loopChris Lattner
extractor has extracted hundreds of loops from the SPEC benchmarks without crashing and without misoptimizing the programs. This testcase could be reduced substantially more by hand, but I don't have time to work on it right now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12495 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix a really nasty bug that was breaking ijpeg in LLC mode. We were incorrectlyChris Lattner
folding load instructions into other instructions across free instruction boundaries. Perhaps this will also fix the other strange failures? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12494 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix bug: CodeExtractor/2004-03-17-MissedLiveIns.llChris Lattner
With this fix we now successfully extract all 149 loops from 256.bzip2 without crashing or miscompiling the program! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12493 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18New testcase, reduced from 256.bzip2Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12492 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Add statistics to the loop extractor. The loop extractor has successfullyChris Lattner
extracted all 63 loops for Olden/bh without crashing and without miscompiling the program!!! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12491 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix problem with PHI nodes having multiple predecessors from differentChris Lattner
exit nodes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12490 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12489 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12488 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Seriously simplify and correct the PHI node handling code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12487 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix CodeExtractor/2004-03-17-OutputMismatch.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12486 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18New testcase that crashes the code extractorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12485 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Fix several bugs in the extractor:Chris Lattner
1. Names were not put on the new arguments created (ok, this just helps sanity :) 2. Fix outgoing pointer values 3. Do not insert stores for values that had not been computed 4. Fix some wierd problems with the outset calculation This fixes CodeExtractor/2004-03-14-DominanceProblem.ll, making the extractor work on at least one simple case! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12484 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18The code extractor needs dominator info. Provide itChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12483 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18The code extractor needs dominator information, so we provide it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12482 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Prune #includes, moving the module interface to the front. Note that thisChris Lattner
exposed the fact that the header was not self-contained. There is a reason we do things :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12481 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18Make this header file self-containedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12480 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Fix a HORRIBLY NASTY bug that caused siod to stop working last night.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12479 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Fix a tag-oChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12477 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Rewrite the second on AnalysisUsage usage. This documents the newChris Lattner
addRequiredTransitive member that Misha added, and explains the whole concept a lot better. Also, the document used incorrect "subsubsection" tags instead of "doc_subsubsection" which this fixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12474 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17When loop extraction succeeds, make sure to map the function pointers overChris Lattner
to avoid dangling references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12470 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Fix an inverted condition that causes us to think that loop extractionChris Lattner
accomplished something when it really did not. This does not fix the bigger problem tho. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12469 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Fix an iterator invalidation problem in a "buggy" passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12468 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17update release notes for 1.2Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12467 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Modify test to use the %t substition (temporary name). This is availableJohn Criswell
in the QMTest Testrunner tests. Please note that putting output files in the Output directory no longer works, as QMTest does not build Output directories anymore (nor does the test run in a separate subdirectory, anyway). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12466 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Fix compilation of mesa, which I broke earlier todayChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12465 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Be more accurateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12464 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17cleanup commentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12463 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-17Make the set of fixed (preallocated) intervals be a fixed superset ofAlkis Evlogimenos
unhandled + handled. So unhandled is now including all fixed intervals and fixed intervals never changes when processing a function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12462 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Fix bug in previous checkinChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12458 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Okay, so there is no reasonable way for tail duplication to update SSA form,Chris Lattner
as it is making effectively arbitrary modifications to the CFG and we don't have a domset/domfrontier implementations that can handle the dynamic updates. Instead of having a bunch of code that doesn't actually work in practice, just demote any potentially tricky values to the stack (causing the problem to go away entirely). Later invocations of mem2reg will rebuild SSA for us. This fixes all of the major performance regressions with tail duplication from LLVM 1.1. For example, this loop: --- int popcount(int x) { int result = 0; while (x != 0) { result = result + (x & 0x1); x = x >> 1; } return result; } --- Used to be compiled into: int %popcount(int %X) { entry: br label %loopentry loopentry: ; preds = %entry, %no_exit %x.0 = phi int [ %X, %entry ], [ %tmp.9, %no_exit ] ; <int> [#uses=3] %result.1.0 = phi int [ 0, %entry ], [ %tmp.6, %no_exit ] ; <int> [#uses=2] %tmp.1 = seteq int %x.0, 0 ; <bool> [#uses=1] br bool %tmp.1, label %loopexit, label %no_exit no_exit: ; preds = %loopentry %tmp.4 = and int %x.0, 1 ; <int> [#uses=1] %tmp.6 = add int %tmp.4, %result.1.0 ; <int> [#uses=1] %tmp.9 = shr int %x.0, ubyte 1 ; <int> [#uses=1] br label %loopentry loopexit: ; preds = %loopentry ret int %result.1.0 } And is now compiled into: int %popcount(int %X) { entry: br label %no_exit no_exit: ; preds = %entry, %no_exit %x.0.0 = phi int [ %X, %entry ], [ %tmp.9, %no_exit ] ; <int> [#uses=2] %result.1.0.0 = phi int [ 0, %entry ], [ %tmp.6, %no_exit ] ; <int> [#uses=1] %tmp.4 = and int %x.0.0, 1 ; <int> [#uses=1] %tmp.6 = add int %tmp.4, %result.1.0.0 ; <int> [#uses=2] %tmp.9 = shr int %x.0.0, ubyte 1 ; <int> [#uses=2] %tmp.1 = seteq int %tmp.9, 0 ; <bool> [#uses=1] br bool %tmp.1, label %loopexit, label %no_exit loopexit: ; preds = %no_exit ret int %tmp.6 } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12457 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16This code was both incredibly complex and incredibly broken. Fix it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12456 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Another simple testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12455 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16The .type directive on Solaris uses the # character instead of @.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12454 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Fix bug in zero-extending of shorts.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12453 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Add UMULrr and SMULrr instructions.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12452 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Use ! for comment char; it works in both Solaris as and GAS.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12451 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Make getClass more robust by adding cLong.Brian Gaeke
Add handling for Mul instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12450 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16Bug fixedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12449 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16New testcase for PR297Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12448 91177308-0d34-0410-b5e6-96231b3b80d8
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