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2011-04-28PTX: patch to AsmPrinterJustin Holewinski
- immediate value cast as long not int - handles initializer for constant array Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28Reverting r130340 in the unlikely event that it's responsible for a llvm-gcc ↵Andrew Trick
stage2 compiler error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130350 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27fast-isel sret. We actually don't need to do anything special on x86. :) ↵Eli Friedman
rdar://problem/9303592 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Remove unnecessary argument.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, andRafael Espindola
give it a bit more responsibility. Also implement it for MachO. If hacked to use cfi, 32 bit MachO will produce .cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr and 64 bit will produce .cfi_presonality ___gxx_personality_v0 The general idea is that .cfi_personality gets passed the final symbol. It is up to codegen to produce it if using indirect representation (like 32 bit MachO), but it is up to MC to decide which relocations to create. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Fixes PR9730: indvars: An asserting value handle still pointed to this valueAndrew Trick
Modified LinearFunctionTestReplace to push the condition on the dead list instead of eagerly deleting it. This can cause unnecessary IV rewrites, which should have no effect on codegen and will not be an issue once we stop generating canonical IVs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Simplify handling of variables with complex address (i.e. blocks variables)Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Make the fast-isel code for literal 0.0 a bit shorter/faster, since 0.0 is ↵Eli Friedman
common. rdar://problem/9303592 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Remove unused function.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Fix indentation.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Fix a bug in the case that there is no add or subtract symbol and the offsetKevin Enderby
value is zero so it does not add a NULL expr operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Teach BasicAA about arm.neon.vld1 and vst1.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130327 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Revert r130178. It turned out to be not the optimal path to emit complex ↵Devang Patel
location expressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130326 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27If converter was being too cute. It look for root BBs (which don't haveEvan Cheng
successors) and use inverse depth first search to traverse the BBs. However that doesn't work when the CFG has infinite loops. Simply do a linear traversal of all BBs work just fine. rdar://9344645 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27When analyzing functions known to only access argument pointees,Dan Gohman
only check arguments with pointer types. Update the documentation of IntrReadArgMem reflect this. While here, add support for TBAA tags on intrinsic calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130317 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Corrects an old, old typo in a case that doesn't seem to be reached in practice.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130316 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Simplify cfg inserts a call to trap when unreachable code is detected. ↵Devang Patel
Assign DebugLoc to this new trap instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Also add <imp-def> operands for defined and dead super-registers when rewriting.Jakob Stoklund Olesen
We cannot rely on the <imp-def> operands added by LiveIntervals in all cases as demonstrated by the test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Factor a bit of code to MCStreamer::EmitLabel. Keep track of the lastRafael Espindola
non private symbol. This will be use for handling foo: .cfi_startproc ... On OS X where we have to create a foo.eh symbol. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Stop trying to have instcombine preserve LCSSA form: this was notDuncan Sands
effective in avoiding recomputation of LCSSA form; the widespread use of instsimplify (which looks through phi nodes) means it was not preserving LCSSA form anyway; and instcombine is no longer scheduled in the middle of the loop passes so this doesn't matter anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130301 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Test case and comment for PR9633.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130294 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Refactor out code to fast-isel a memcpy operation with a small constantEli Friedman
length. (I'm planning to use this to implement byval.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Force some values to be absolute and align based on the FDE pointers size. A ↵Rafael Espindola
small step towards using .cfi_* on OS X. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130273 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Fix an edge case involving branches in fast-isel on x86.Eli Friedman
rdar://problem/9303306 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130272 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-27Fix for PR9633 [indvars] Assertion `isa<X>(Val) && "cast<Ty>() argument of ↵Andrew Trick
incompatible type!"' failed. Added a type check in ScalarEvolution::computeSCEVAtScope to handle the case in which operands of an AddRecExpr in the current scope are folded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Enhance memdep to return clobber relation between noalias loads whenChris Lattner
an earlier load could be widened to encompass a later load. For example, if we see: X = load i8* P, align 4 Y = load i8* (P+3), align 1 and we have a 32-bit native integer type, we can widen the former load to i32 which then makes the second load redundant. GVN can't actually do anything with this load/load relation yet, so this isn't testable, but it is the next step to resolving PR6627, and a fairly general class of "merge neighboring loads" missed optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Add a safe-guard against repeated splitting for some rare cases.Jakob Stoklund Olesen
The number of blocks covered by a live range must be strictly decreasing when splitting, otherwise we can't allow repeated splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130249 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26use AA::isMustAlias to simplify some calls.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26remove support for llvm.invariant.end from memdep. It is a Chris Lattner
work-in-progress that is not progressing, and it has issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130247 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Be careful about scheduling nodes above previous calls. It increase usages ofEvan Cheng
more callee-saved registers and introduce copies. Only allows it if scheduling a node above calls would end up lessen register pressure. Call operands also has added ABI restrictions for register allocation, so be extra careful with hoisting them above calls. rdar://9329627 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Transform: "icmp eq (trunc (lshr(X, cst1)), cst" to "icmp (and X, mask), cst"Chris Lattner
when X has multiple uses. This is useful for exposing secondary optimizations, but the X86 backend isn't ready for this when X has a single use. For example, this can disable load folding. This is inching towards resolving PR6627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26some random cleanups, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26ARM and Thumb2 support for atomic MIN/MAX/UMIN/UMAX loads.Jim Grosbach
rdar://9326019 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130234 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Print the label if we will use it in debug_frame.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Refactor code. Keep dwarf register operation selection logic at one place.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Use the new TRI->getLargestLegalSuperClass hook to constrain register class ↵Jakob Stoklund Olesen
inflation. This has two effects: 1. We never inflate to a larger register class than what the sub-target can handle. 2. Completely unconstrained virtual registers get the largest possible register class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Add a TRI::getLargestLegalSuperClass hook to provide an upper limit on ↵Jakob Stoklund Olesen
register class inflation. The hook will be used by the register allocator when recomputing register classes after removing constraints. Thumb1 code doesn't allow anything larger than tGPR, and x86 needs to ensure that the spill size doesn't change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130228 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Fix an off by one error while accessing complex address element of a DIVariable.Devang Patel
This worked untill now because stars are aligned (i.e. num of complex address elments are always 0 or 2+ and when it is 2+ at least two elements are access together) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Improve the bail-out predicate to really only kick in when phiChris Lattner
translation fails. We were bailing out in some cases that would cause us to miss GVN'ing some non-local cases away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Fast-isel support for simple inline asms.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130205 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Another example of a static table that wasn't marked static.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26don't emit the symbol name twice for local bss and commonChris Lattner
symbols. For example, don't emit: .comm _i,4,2 ## @i ## @i instead emit: .comm _i,4,2 ## @i git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130192 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Fix typoEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Print all the moves at a given label instead of just the first one.Rafael Espindola
Remove previous DwarfCFI hack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Rename everything to follow LLVM style ... I think.Nick Lewycky
Add support for switch and indirectbr edges. This works by densely numbering all blocks which have such terminators, and then separately numbering the possible successors. The predecessors write down a number, the successor knows its own number (as a ConstantInt) and sends that and the pointer to the number the predecessor wrote down to the runtime, who looks up the counter in a per-function table. Coverage data should now be functional, but I haven't tested it on anything other than my 2-file synthetic test program for coverage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130186 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26No relocation produces a SLEB or ULEB, make sure they are handled in MC.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130181 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Enhance MemDep: When alias analysis returns a partial alias result,Chris Lattner
return it as a clobber. This allows GVN to do smart things. Enhance GVN to be smart about the case when a small load is clobbered by a larger overlapping load. In this case, forward the value. This allows us to compile stuff like this: int test(void *P) { int tmp = *(unsigned int*)P; return tmp+*((unsigned char*)P+1); } into: _test: ## @test movl (%rdi), %ecx movzbl %ch, %eax addl %ecx, %eax ret which has one load. We already handled the case where the smaller load was from a must-aliased base pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130180 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26Let dwarf writer allocate extra space in the debug location expression. This ↵Devang Patel
space, if requested, will be used for complex addresses of the Blocks' variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25Rename a local variable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-25Rename a method to match what it really does.Devang Patel
s/addVariableAddress/addFrameVariableAddress/g git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130170 91177308-0d34-0410-b5e6-96231b3b80d8
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