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2006-09-12An sinkable instruction may exist with uses, if those uses are in dead blocks.Chris Lattner
Handle this. This fixes PR908 and Transforms/LICM/2006-09-12-DeadUserOfSunkInstr.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30275 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-12testcase for PR908Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30274 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-12Testcase that crashes the C++ FE.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30273 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-12add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30271 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-12Add ability to remove nodes from DominatorTree, for when a BasicBlockNick Lewycky
is being removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30270 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Testcase noticed from PR906Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30269 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11add compilable testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30268 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11new testcase for PR906Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30267 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Fix PR905 and InstCombine/2006-09-11-EmptyStructCrash.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30266 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11new testcase for PR905Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30265 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11implement SRL and MULRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30262 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11add the correct fallback for ARMDAGToDAGISel::SelectAddrMode1Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30261 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11burg is goneChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30253 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11partial implementation of the ARM Addressing Mode 1Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30252 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Skip the linear search if the answer is already known.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30251 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11No longer used, and confuses maintainersJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30248 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Include the UIUC CS department attribution on the main doxygen page.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30247 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11call AsmPrinter::doInitialization in ARMAsmPrinter::doInitializationRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30246 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Updates.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30245 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Update README file.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30244 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11Rename a test-not-cmp.ll to cmp-test.ll; add a test.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30243 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-111) With X86 lowering change, the following can no longer happen sinceEvan Cheng
the branch's chain is also produced by cmp. [ch, r : ld] ^ ^ | | [XX]--/ \- [flag : cmp] ^ ^ | | \---[br flag]- Remove an isel check which prevents loads from being folded into cmp / test instructions. 2) Whenever possible, delete a selected node to allow more load folding opportunities. Note not all nodes can be deleted after it has been selected. Some may have simply morphed; some have not changed at all (e.g. EntryToken). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30242 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11X86ISD::CMP now produces a chain as well as a flag. Make that the chainEvan Cheng
operand of a conditional branch to allow load folding into CMP / TEST instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30241 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10Behold, more work on relocations. Things are looking pretty good now.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30240 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10Removed unnecessary Mangler creation.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30239 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10add a testcase for this commit: ↵Chris Lattner
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050606/026673.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30238 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10Allow tail duplication in more cases, relaxing the previous restriction aChris Lattner
bit. This fixes Regression/Transforms/TailDup/MergeTest.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30237 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10This code was trying too hard. By eliminating redundant edges in the CFGChris Lattner
due to switch cases going to the same place, it make #pred != #phi entries, breaking live interval analysis. This fixes 458.sjeng on x86 with llc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30236 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10Replace EquivalenceClasses with a custom-built data structure. Many commonNick Lewycky
operations (like findProperties) should be faster, at the expense of unionSets being slower in cases that are rare in practise. Don't erase a dead Instruction. This fixes a memory corruption issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30235 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Implement Transforms/InstCombine/hoist_instr.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30234 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30233 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Move ipsccp pass earlier to clean up obvious bogositiesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30232 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Make inlining costs more accurate.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30231 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Turn div X, (Cond ? Y : 0) -> div X, YChris Lattner
This implements select.ll::test18. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30230 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30229 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Missing anchorJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30227 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Add cbe support for powiChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30226 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Implement the fpowi now by lowering to a libcallChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30225 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09(indirect) test for the __builtin_powi builtin which we now support.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30224 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Implement new fpowi nodeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30223 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-09Allow targets to custom lower expanded BIT_CONVERT'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30217 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08First pass at supporting relocations. Relocations are written correctly toNate Begeman
the file now, however the relocated address is currently wrong. Fixing that will require some deep pondering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30207 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Fixed a FuseTwoAddrInst() bug: consider GlobalAddress and JumpTableIndexEvan Cheng
in addition to immediate operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30205 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Non-allocatable physregs can be killed and dead, but don't treat them asChris Lattner
safe for later allocation. This fixes McCat/18-imp with llc-beta. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30204 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08This fixes Benchmarks/Prolangs-C/unix-smailChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30198 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Fix a bunch of llc-beta failures on x86 yesterday. Don't allow selectionChris Lattner
of unallocatable registers, just because an alias is allocatable. We were picking registers like SIL just because ESI was being used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30197 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08ok this really works :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30195 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Remove redundant include.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30194 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Need to include Makefile.config to get the value of $(OS). Add a comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30193 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Enabling LTO building on Darwin only right now. This probably should beAnton Korobeynikov
removed after 'PIC vs non-PIC' problem solution git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30192 91177308-0d34-0410-b5e6-96231b3b80d8
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