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2004-12-11The split bb is really the exit of the old functionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18799 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11A little cleanup on this file.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18798 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11New featureChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18797 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Two bug fixes:Chris Lattner
1. Actually increment the Statistic for the GV elim optzn 2. When resolving undef branches, only resolve branches in executable blocks, avoiding marking a bunch of completely dead blocks live. This has a big impact on the quality of the generated code. With this patch, we positively rip up vortex, compiling Ut_MoveBytes to a single memcpy call. In vortex we get this: 12 ipsccp - Number of globals found to be constant 986 ipsccp - Number of arguments constant propagated 1378 ipsccp - Number of basic blocks unreachable 8919 ipsccp - Number of instructions removed git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18796 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Do not delete the entry block to a function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18795 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Bools are *also* not ints. Sigh. Furthermore, most of the TargetMachineBrian Gaeke
ctor parameters can be defaulted. Print the transformed llvm code input to the instruction selector when -print-machineinstrs is on, just like V9. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18794 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Look for many more moves to fold (previously, we onlyBrian Gaeke
*or g0, x add g0, x recognized * as a move) or x, g0 add x, g0 or 0, x add 0, x or x, 0 add x, 0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18793 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Make GEPs not suck so much:Brian Gaeke
* Don't emit the Index * ElementSize multiply if Index is a constant. * Use a shift, not a multiply, if ElementSize is 1/2/4/8. * If ElementSize fits in the immediate field of SMUL, then put it there. Fix a bug where struct offsets might be truncated (ConstantSInt::get is now used instead of ConstantInt::get). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18792 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Update lists of failing benchmarks, including info on whichBrian Gaeke
ones are failing in cbe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18791 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Implement Transforms/SCCP/ipsccp-gvar.ll, by tracking values stored toChris Lattner
non-address-taken global variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18790 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11New testcase that ipsccp should handle.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18789 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Fix some minor spellos and grammaros.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18788 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Revert the last patch. We really do need SimplyCFG.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18787 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Fix a bug where we could delete dead invoke instructions with uses.Chris Lattner
In functions where we fully constant prop the return value, replace all ret instructions with 'ret undef'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18786 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11Path::get -> Path::toStringReid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18785 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Remove this pass as its no longer needed.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18783 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10This pass is no longer needed.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18782 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Implement SCCP/ipsccp-conditional.ll, by totally deleting dead blocks.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18781 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18780 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Get rid of warning from flex.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18779 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Fix SCCP/2004-12-10-UndefBranchBug.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18776 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Add missing accessor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18775 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Make sure to link the target-triple as well, so it ends up in the .llvm.bc fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18774 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10New testcase that SCCP miscompiles. Luckily this is extremely unlikely toChris Lattner
happen in practice, but IP-SCCP can trigger it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18773 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Fix output for Flexing to not print full path of source.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18769 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Check in the right testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18767 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Fix Regression/Transforms/SimplifyCFG/2004-12-10-SimplifyCFGCrash.ll,Chris Lattner
and the failure on make_dparser last night. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18766 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10New testcase for a bug exposed by the ipsccp pass, causing dparser to failChris Lattner
last night. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18765 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18764 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Merged in RELEASE_14 changes.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18763 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Move -lowerselect later in the chain; some select instructions wereBrian Gaeke
slipping through into the instruction selector, which can't deal with them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18758 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Add the rest of the multiply instructions.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18757 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Support binary operations with immediates for <= cInt.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18756 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Update lists of failing benchmarks (except C++...something is theBrian Gaeke
matter with my sparcv8 libstdc++.a) and to-do list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18755 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Turn on ipsccp by default instead of simple IPCPChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18753 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10This is the initial implementation of IPSCCP, as requested by Brian.Chris Lattner
This implements SCCP/ipsccp-basic.ll, rips apart Olden/mst (as described in PR415), and does other nice things. There is still more to come with this, but it's a start. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18752 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10New prototypeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18751 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18750 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Emit correct prototype for __builtin_alloca on V8.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18745 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Fix writer to properly quote label names when they don't containAlkis Evlogimenos
simple characters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18744 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Do not allow empty label names.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18743 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Update testcaseAlkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18742 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Implement test/Feature/escaped_label.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18741 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Simple testcase for quoted label.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18740 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Link V8 backend into llc.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18739 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Add SparcV8 target back into the buildBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18738 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Adjust paths: Sparc/V8 --> SparcV8Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18737 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Make this file self-contained.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18736 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10Update list of failing MultiSource benchmarks. It works out to +5 -5, but IBrian Gaeke
think some of these might be the CFE's fault; a rebuild should come soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18735 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-10When FpMOVDs appeared in pairs, we were mistakenly skipping over the latter ofBrian Gaeke
each pair. I think this fixes that. One of these days, I swear I'm going to get the hang of C++ iterators. Really. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18734 91177308-0d34-0410-b5e6-96231b3b80d8
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