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2005-04-01Also apply Chris's fix to FP select and SETCCNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20979 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Move the selection of the arms of the select operation up to the conditionalChris Lattner
part to make sure we get the side effects and to avoid confusing the CFG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20977 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01print the machine CFG in the -print-machineinstrs dumpChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20976 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Fix stores to global addressesNate Begeman
Fix calls with no arguments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20975 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Support indexed loads and stores. This drops Shootout/matrix time fromNate Begeman
18.8 to 14.8 seconds. The Pattern ISel is now often faster than the Simple ISel, esp. on memory intensive code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20973 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Implement FP_TO_SINT and FP_TO_UINTNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20972 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Add support for adding 0.0 and -0.0 to the constant pool, since we lie andNate Begeman
say that we support them, for the purposes of generating fsel instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20970 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-01Factor out common code, support FP comparison in folded SetCCNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20969 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31fsel generation for f32 and f64 selectNate Begeman
generate compare immediate for integer compare with constant fold setcc into branch fold setcc into select Code generation quality for Shootout is now on par with the Simple ISel git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20968 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31make fp div trick dependend on flagAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20967 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31PCMarker support for DAG and AlphaAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20965 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31Assorted fixes:Duraid Madina
* Stop being pessimistic about output register allocation * Start to handle function descriptors: compute target GPs and so on when doing indirect calls etc. Not there yet, though. For the moment, we try to use _indirect_ branches wherever possible, to stress test function descriptors. * FP divide-by-zero should work now * add varargs (it doesn't work, though) At this point, all of SingleSource passes (modulo C++ tests that are due to issues with the CFE, see note in the README.) Much of MultiSource also passes although there's still a ton of bugs around. Something for me to work on tomorrow, then. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20960 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31* declare local common symbols as such (.lcomm, not merely .common)Duraid Madina
* begin great adventure into correct function descriptor materialization git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20956 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31daintynessDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20955 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31add what we need to fudge a 'floating point conditional move', this isDuraid Madina
used to get FP div-by-zero working properly (shunt the right answer depending on how frcpa sets its predicate output) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20954 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31Pass the correct values to the chain argument for node construction duringNate Begeman
LowerCallTo. Handle ISD::ADD in SelectAddr, allowing us to have nonzero immediates for loads and stores, amazing! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20946 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-31Rewrite LowerCallTo and Select(ISD::CALL) to properly handle float varargsNate Begeman
Tell the SelectionDAG ISel to expand SEXTLOAD of i1 and i8, rather than complicate the code in ISD::SEXTLOAD to do it by hand Combine the FP and Int ISD::LOAD codegen Generate better code for constant pool loads As a result, all of Shootout, and likely many other programs are now working. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20945 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30Fix calls whose arguments fit entirely in registers to not break the Chain.Nate Begeman
Implement SINT_TO_FP and UINT_TO_FP Remove some dead code from the simple ISel git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20944 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30yea, fine DuraidAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20942 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30Fix frame index code to generate legal PowerPC instructions. About half ofNate Begeman
Shootout now works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20940 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30Fix external symbol printing in the AsmPrinter. Tell the ISel that weNate Begeman
don't support things like memcpy directly. This allows a handful of the Shootout programs to work, yay! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20939 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30Instead of setting up the CFG edges at selectiondag construction time, setChris Lattner
them up after the code has been emitted. This allows targets to select one mbb as multiple mbb's as needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20937 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-30don't depend on the cfg being set up yetChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20936 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Fix BranchCC (it's still dumb), and implement FP select (also dumb)Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20935 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Implement integer select and i1 sign extendNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20934 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Implement SetCC, fix ZERO_EXTEND_INREGNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20933 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29import all of the rest of the stubs that dsa uses for direct comparisonChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20932 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Compare dependence analysis with llvm instructions versus machine ↵Tanya Lattner
instrutions. the problem with using machine instructions and alias analysis is that aa does not handle tmp instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20931 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Dependence analyzer that just determines dependences within a loop for loads ↵Tanya Lattner
and stores using alias analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20930 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29learn about some more functions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20929 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Fix up some types and constantsAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20928 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Fix a problem where we not marking incoming arguments to functions withChris Lattner
external linkage as incomplete. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20927 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Fix a bug that andrew noticed where we do not correctly sign/zero extendChris Lattner
returned integer values all of the way to 64-bits (we only did it to 32-bits leaving the top bits undefined). This causes problems for targets like alpha whose ABI's define the top bits too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20926 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29there is no point comparing against null pointer.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20925 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Fix a major problem with global variable initializers. This could causeChris Lattner
us to have stuff pointing to the null pointer, which makes no sense (the null ptr is an ssa value, not the null object) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20922 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29fix a warning in the optimized buildChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20920 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29add some more functions, ignore setcc for constraints!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20917 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29disable this transformation in the one obscure case that really pessimizesChris Lattner
pointer analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20916 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Handle "known" external calls context sensitively, add support for reallocChris Lattner
and a couple of other functions that are important. Handle aggregate undef values for gv initializers git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20914 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-29Implement div, rem, and frameindexNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20907 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Pattern ISel: fix argument loading for i64s (thanks chris)Nate Begeman
Simple ISel: fix i64 subtract git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20903 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Remove fake instruction 'subc' (mnemonic for subfc).Nate Begeman
More pattern isel updates git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20902 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28implement legalization of build_pair for nateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20901 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28First step in adding pcmarker intrinsic. Second step (soon) is adding ↵Andrew Lenharth
backend support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20900 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Implement proper loads and zero-extends of all typesNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20897 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Emit .global @function and .global @object entries so the Intel iasDuraid Madina
assembler may be used; identify LLVM output as such. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20892 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Teach andersens that non-escaping memory cannot be mod/ref'd by external fn ↵Chris Lattner
calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20891 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Fix grammarMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20890 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Make anders-aa much more precise by not being completely pessimistic aboutChris Lattner
external functions. Teach it about a few important ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20889 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-28Rename createPromoteMemoryToRegister() toAlkis Evlogimenos
createPromoteMemoryToRegisterPass() to be consistent with other pass creation functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20885 91177308-0d34-0410-b5e6-96231b3b80d8
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