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2008-03-04Use while loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47909 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Use cast instead of dyn_cast.Devang Patel
Update test to use multiple return value directly, instead of relying on -sretpromotion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47907 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Filter nested structsDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47906 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Handle multiple return values.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47904 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Use appropriate index to get the result value.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47897 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Skip sret attribute while preparing attribute list forDevang Patel
new function and new call sites. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47896 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Increment counter that keeps track of total number of sret promoted.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47892 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Skip declarations.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47890 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Process externally visible functions also. Later on code generator will do ↵Devang Patel
the right thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47889 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-04Collect statistics.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47888 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-03s/isReturnStruct()/hasStructRetAttr()/gDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47857 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-03Preserve paramater attributes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47847 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-01allow specified inline threshold to be negative, as the value is Chris Lattner
itself sometimes negative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47786 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-29Fix cut-n-pasto.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47777 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-29Add pass to promote sret.Devang Patel
This pass transforms %struct._Point = type { i32, i32, i32, i32, i32, i32 } define internal void @foo(%struct._Point* sret %agg.result) into %struct._Point = type { i32, i32, i32, i32, i32, i32 } define internal %struct._Point @foo() This pass updates foo() clients appropriately to use getresult instruction to extract return values. This pass is not yet ready for prime time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47776 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-29fix a bug Anders ran into where scalarrepl would crash when promotingChris Lattner
a union containing a vector and an array whose elements were smaller than the vector elements. this means we need to compile the load of the array elements into an extract element plus a truncate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47752 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-29Refactor some code out of ConvertUsesToScalar into their own methods, noChris Lattner
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47751 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-29Folding or(fcmp,fcmp) only works if the operands of the fcmps are the same ↵Chris Lattner
fp type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47750 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26Fix an issue where GVN had the sizes of the two memcpy's reverse, resultingOwen Anderson
in an invalid transformation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47639 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26fix http://llvm.org/bugs/show_bug.cgi?id=2097Gabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47615 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26Fix for pr2093: direct operands aren't necessarily addresses, so don't Eli Friedman
try to simplify them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47610 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26De-tabify.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47599 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26Fix PR2076. CodeGenPrepare now sinks address computation for inline asm memoryEvan Cheng
operands into inline asm block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47589 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-25Fix an issue where GVN was performing the return slot optimization when it wasOwen Anderson
not safe. This is fixed by more aggressively checking that the return slot is not used elsewhere in the function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47544 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-25Fix an issue where GVN would try to use an instruction before its definition ↵Owen Anderson
when performing return slot optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47541 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-22Split ParameterAttributes.h, putting the complicatedDale Johannesen
stuff into ParamAttrsList.h. Per feedback from ParamAttrs changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47504 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-22Fixed a typo.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47478 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20Add explicit keywords.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47382 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20Fix newly-introduced 4.3 warningsAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47375 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20Get rid of hash_map. Use StringMap insteadAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47373 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20Make Transforms to be 4.3 warnings-cleanAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20Unbreak build with gcc 4.3: provide missed includes and silence most ↵Anton Korobeynikov
annoying warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20When performing return slot optimization, remember to inform memdep when ↵Owen Anderson
we're removing the memcpy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Expand ParameterAttributes to 32 bits (in preparationDale Johannesen
for adding alignment info, not there yet). Clean up interfaces to reference ParameterAttributes consistently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47342 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19remove the LowerSelect pass. The last client was the old Sparc backend, ↵Chris Lattner
which is long dead by now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47323 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19remove the lower packed pass. It can never work and even the parts that Chris Lattner
could work don't work fully. This fixes PR1705. Oh yeah, we don't have packed types anymore either ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47322 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Refactor this method a bit, and correct a test that was completely wrong but ↵Owen Anderson
happened to work out anyways. :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47321 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19isa+cast -> dyncast.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47320 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19simplify this code again, try 2 :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47319 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Fix a comment.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47318 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Major improvements to yesterday's return slot optimization. Remove some ↵Owen Anderson
unneccessary constraints, and add some others that should have been in from the first place. Document the whole thing better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19fdiv/frem of undef can produce undef, because the undef operand Chris Lattner
can be a SNaN. We could be more aggressive and turn this into unreachable, but that is less nice, and not really worth it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47313 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Factor the profitability check for return slot optimization out into a ↵Owen Anderson
static function. At some point in the future, this check will become smarter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47310 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19An sret parameter is required to be the first parameter, so there's no need ↵Owen Anderson
to loop over all the parameters of the callee looking for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47309 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Cleanup some of my patches from yesterday. Refactor the check for which xformOwen Anderson
to apply to a memcpy into processInstruction. Also, fix a bug in the check due to missing braces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47307 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-19Fix Transforms/GVN/memcpy.ll, which Chris broke in r47275 by reordering the ↵Owen Anderson
branches. memcpy's are a kind of CallInst. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47305 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-18Correctly fold divide-by-constant, even when faced with overflow.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47287 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-18Transforming -A + -B --> -(A + B) isn't safe for FP, thanksChris Lattner
to Dale for noticing this! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47276 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-18minor code simplification, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47275 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-18Simplify caller updating using a CallSite, asDuncan Sands
requested by Chris. While there, do the same for an existing function committed by someone called "lattner" :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47273 91177308-0d34-0410-b5e6-96231b3b80d8
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