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2008-09-04Remove code that pad number of bytes to pop for X86_FastCall CC. The code ↵Evan Cheng
doesn't do the "aligning" for Cygwin, Mingw, and Windows. But aligning it on Darwin and Linux breaks gcc compatibility. That ruled out all the platforms we support! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55756 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-04Add intrinsics for log, log2, log10, exp, exp2.Dale Johannesen
No functional change (and no FE change to generate them). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55753 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Do trivial local CSE for constants and other non-Instruction valuesDan Gohman
in FastISel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55748 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Put RegsForValue in the llvm namespace to avoid warnings aboutDan Gohman
classes in the llvm namespace having members with types from anonymous namespaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55747 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Create HandlePHINodesInSuccessorBlocksFast, a version ofDan Gohman
HandlePHINodesInSuccessorBlocks that works FastISel-style. This allows PHI nodes to be updated correctly while using FastISel. This also involves some code reorganization; ValueMap and MBBMap are now members of the FastISel class, so they needn't be passed around explicitly anymore. Also, SelectInstructions is changed to SelectInstruction, and only does one instruction at a time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55746 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Update inline threshold for current function if the notes say, optimize for ↵Devang Patel
size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55745 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix a bug that prevented PRE from applying in some cases.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55744 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Avoid extra comma.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55742 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Parse and print opt_size note.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55740 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Initial version of a Partial Specialization IPO pass. It triggers a couple ↵Andrew Lenharth
hundred times on 176.gcc. I don't know the performance impact yet, the heuristic is quite simple still. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55734 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Do not emit a UsedDirective for things in the llvm.usedDale Johannesen
list that have internal linkage; the linker doesn't need or want this. (These objects must still be preserved at compile time, so just removing them from the llvm.used list doesn't work.) Should affect only Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55722 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix typo in a comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55720 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Add parentheses to make code more readable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55717 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix comments.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55716 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03If a SCC has a node without a function, then the SCCDuncan Sands
analysis would bail out without removing function records for other members of the SCC (which may exist if those functions read or wrote global variables). Since these are initialized to "readnone", this resulted in incorrect alias analysis results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55714 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Add custom inliner that handles only functions that are marked as always_inline.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55713 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Handle "always inline" note during inline cost analysis.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55712 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Check noinline note and ignore other notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55711 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Handle "noinline" note inside the simple inliner.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55708 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Oops, I accidentally broke the fallback case with my last commit.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55704 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix an issue where we were reusing materializations of constants in blocks ↵Owen Anderson
not dominated by the materialization. This is the simple fix, materializing the constant before every use. It might be better to either track domination of uses or to materialize all constants and the beginning of the function and let remat sort when to do materialization at uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55703 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Split the SelectionDAG-building code, including the FunctionLoweringInfoDan Gohman
and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put it in a separate file, SelectionDAGBuild.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55701 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix maxo bado thinko.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55700 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Separate MachineInstr-emitting routines from actual schedulingDan Gohman
routines and move them into a separate file, ScheduleDAGEmit.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55699 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix addRegisterDead and addRegisterKilled to be more thoroughDan Gohman
when searching for redundant subregister dead/kill bits. Previously it was common to see instructions marked like this: "RET %EAX<imp-use,kill>, %AX<imp-use,kill>" With this change, addRegisterKilled continues scanning after finding the %EAX operand, so it proceeds to discover the redundant %AX kill and eliminates it, producing this: "RET %EAX<imp-use,kill>" This currently has no effect on the generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55698 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Since onlyReadsMemory returns true if in factDuncan Sands
doesNotAccessMemory, check doesNotAccessMemory first, since otherwise functions may be marked readonly rather than readnone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55697 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Cleanup GlobalsModRef a bit. When analysing theDuncan Sands
callgraph, when one member of a SCC calls another then the analysis would drop to mod-ref because there is (usually) no function info for the callee yet; fix this. Teach the analysis about function attributes, in particular the readonly attribute (which requires being careful about globals). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55696 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Try to fold each element of a vector. This is needed to maintain structuralNick Lewycky
equivalence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55694 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Add X86 target hook to implement load (even from GlobalAddress).Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55693 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03If TargetSelectInstruction returns true, move to next instruction.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55692 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Don't apply this transform to vectors. Fixes PR2756.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55690 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Don't crash when trying to constant fold a vector with some elements that can'tNick Lewycky
be folded. Instead, fail to fold the entire vector. We could also return a vector with some elements folded and some not. If anyone thinks that's a better approach, please speak up! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55689 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Fix capitalization in #include of FastISel.h. This unbreaks the build on ↵Ted Kremenek
case-sensitive filesystems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55687 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Unbreak fast isel.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55685 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Add additional check to ensure that iv is canonicalized.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55682 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Check iteration count.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55680 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Let tblgen only generate fastisel routines, not the class definition. This ↵Evan Cheng
makes it easier for targets to define its own fastisel class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55679 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03While removing PHI, use basicblock to identify incoming value.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55678 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02s/FP_AlwaysInline/FN_NOTE_AlwaysInline/gDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55676 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02If all IV uses are extending integer IV then change the type of IV itself, ↵Devang Patel
if possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55674 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02respect inline=never and inline=always notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55673 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-0280 col violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55668 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Read and write function notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55657 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Use bitwise AND.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55656 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Print function notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55647 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Parse function notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55646 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Initialize function notes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55645 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Fix some bugs in the code sequences for atomics.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55643 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02Ensure that HandlePHINodesInSuccessorBlocks is run for all blocks,Dan Gohman
even in FastISel mode in the case where FastISel successfully selects all the instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55641 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-02plug a little memleak in verifyFunction()Nuno Lopes
# first commit to llvm, so whatch out :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55631 91177308-0d34-0410-b5e6-96231b3b80d8
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