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2011-03-03Fix thinko in previous check-in.Devang Patel
Add comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03llvm::Function argument count is not a good indicator of how many arugments ↵Devang Patel
does the function have at source level. If we need more space, just resize vector conservatively. This vector is only used once per function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126957 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Allow a target to choose whether to prefer the scavenger emergency spill slotJim Grosbach
be next to the frame pointer or the stack pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that ↵Jan Sjödin
other components can use them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126942 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Fix typo in comment.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126941 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Optimize fprintf -> iprintf if there are no floating point argumentsRichard Osborne
and siprintf is available on the target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126940 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03PTX: Fix Emacs renaming a symbolJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126938 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Optimize sprintf -> siprintf if there are no floating point argumentsRichard Osborne
and siprintf is available on the target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03PTX: Fix a couple of lint violationsJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Optimize printf -> iprintf if there are no floating point argumentsRichard Osborne
and iprintf is available on the target. Currently iprintf is only marked as being available on the XCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Use X86_thiscall calling convention for Win64 as well.Tilmann Scheller
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126934 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03PR9352: Always emit a relocation for weak symbols. Not emitting relocationsEli Friedman
for calls to weak symbols with a definition has the appearance of working with LLVM-generated code because weak symbol definitions are put in their own sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126933 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Add a readme entry for the redundant movw issue for pr9370.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126930 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Renumber slot indexes uniformly instead of spacing according to the number ↵Jakob Stoklund Olesen
of defs. There are probably much larger speedups to be had by renumbering locally instead of looping over the whole function. For now, the greedy register allocator is 25% faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126926 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Represent sentinel slot indexes with a null pointer.Jakob Stoklund Olesen
This is much faster than using a pointer to a ManagedStatic object accessed with a function call. The greedy register allocator is 5% faster overall just from the SlotIndex default constructor savings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126925 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Avoid comparing invalid slot indexes, and assert that it doesn't happen.Jakob Stoklund Olesen
The SlotIndex created by the default construction does not represent a position in the function, and it doesn't make sense to compare it to other indexes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126924 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Avoid comparing invalid slot indexes.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Cache basic block bounds instead of asking SlotIndexes::getMBBRange all the ↵Jakob Stoklund Olesen
time. This speeds up the greedy register allocator by 15%. DenseMap is not as fast as one might hope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03pr9367: Add missing predicated BLX instructions.Bob Wilson
Patch by Jyun-Yan You, with some minor adjustments and a testcase from me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126915 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Change the SplitEditor interface to a single instance can be shared for ↵Jakob Stoklund Olesen
multiple splits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126912 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Only run the updateSSA loop when we have actually seen multiple values.Jakob Stoklund Olesen
When only a single value has been seen, new PHIDefs are never needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126911 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Fix PHI handling in LiveIntervals::shrinkToUses().Jakob Stoklund Olesen
We need to wait until we meet a PHIDef in its defining block before resurrecting PHIKills in the predecessors. This should unbreak the llvm-gcc-build-x86_64-darwin10-x-mingw32-x-armeabi bot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Avoid exponential blow-up when printing DAGs.Bob Wilson
David Greene changed CannotYetSelect() to print the full DAG including multiple copies of operands reached through different paths in the DAG. Unfortunately this blows up exponentially in some cases. The depth limit of 100 is way too high to prevent this -- I'm seeing a message string of 150MB with a depth of only 40 in one particularly bad case, even though the DAG has less than 200 nodes. Part of the problem is that the printing code is following chain operands, so if you fail to select an operation with a chain, the printer will follow all the chained operations back to the entry node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126899 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Turn the Edit member into a pointer so it can change dynamically.Jakob Stoklund Olesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126898 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Fixes an assertion failure while disassembling ARM rsbs reg/reg form.Kevin Enderby
Patch by Ted Kremenek! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126895 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Transfer simply defined values directly without recomputing liveness and SSA.Jakob Stoklund Olesen
Values that map to a single new value in a new interval after splitting don't need new PHIDefs, and if the parent value was never rematerialized the live range will be the same. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Extract a method. No functional change.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126893 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Fixing a bug when printing fpu text to object file. Patch by Mans Rullgard.Renato Golin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126882 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Remove DIFactory. Patch by Devang.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126871 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Can't introduce floating-point immediate constants after legalization.Stuart Hastings
Radar 9056407. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126864 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add Win64 thiscall calling convention.Tilmann Scheller
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126862 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02[AVX] Fix mask predicates for 256-bit UNPCKLPS/D and implementDavid Greene
missing patterns for them. Add a SIMD test subdirectory to hold tests for SIMD instruction selection correctness and quality. ' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02ptx: fix lint and compiler warningsChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add 64-bit addressing to PTX backendChe-Liang Chiou
- Add '64bit' sub-target option. - Select 32-bit/64-bit loads/stores based on '64bit' option. - Fix function parameter order. Patch by Justin Holewinski git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add a special streamer to libLTO that just records symbols definitions andRafael Espindola
uses. The result produced by the streamer is used to give the linker more accurate information and to add to llvm.compiler.used. The second improvement removes the need for the user to add __attribute__((used)) to functions only used in inline asm. The first one lets us build firefox with LTO on Darwin :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Fix some typos.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Remove some more unused code that I missed.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126826 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Eliminate the unused CodeGenPrepare option to split critical edges.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Extend initial support for primitive types in PTX backendChe-Liang Chiou
- Allow i16, i32, i64, float, and double types, using the native .u16, .u32, .u64, .f32, and .f64 PTX types. - Allow loading/storing of all primitive types. - Allow primitive types to be passed as parameters. - Allow selection of PTX Version and Shader Model as sub-target attributes. - Merge integer/floating-point test cases for load/store. - Use .u32 instead of .s32 to conform to output from NVidia nvcc compiler. Patch by Justin Holewinski git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126824 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Move extendRange() into SplitEditor and delete the LiveRangeMap class.Jakob Stoklund Olesen
Extract the updateSSA() method from the too long extendRange(). LiveOutCache can be shared among all the new intervals since there is at most one of the new ranges live out from each basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126818 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Quiet a compiler warning about unused variable 'ExtVNI'.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126815 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Don't re-use existing addrec expansions if they contain casts.Dan Gohman
This fixes PR9259. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Catch more cases where 2-address pass should 3-addressify instructions. ↵Evan Cheng
rdar://9002648. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126811 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Rename mapValue to extendRange because that is its function now.Jakob Stoklund Olesen
Simplify the signature - The return value and ParentVNI are no longer needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126809 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Simplify LiveIntervals::shrinkToUses() a bit by using the new extendInBlock().Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126806 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Fix typo.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Move LiveIntervalMap::extendTo into LiveInterval itself.Jakob Stoklund Olesen
This method could probably be used by LiveIntervalAnalysis::shrinkToUses, and now it can use extendIntervalEndTo() which coalesces ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01Delete dead code.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01Move the value map from LiveIntervalMap to SplitEditor.Jakob Stoklund Olesen
The value map is currently not used, all values are 'complex mapped' and LiveIntervalMap::mapValue is used to dig them out. This is the first step in a series changes leading to the removal of LiveIntervalMap. Its data structures can be shared among all the live intervals created by a split, so it is wasteful to create a copy for each. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126800 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01Delete dead code.Jakob Stoklund Olesen
Local live range splitting is better driven by interference. This code was just guessing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126799 91177308-0d34-0410-b5e6-96231b3b80d8
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