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* fix PR9856, an incorrectly conservative assertion: a global can beChris Lattner2011-05-221-3/+3
| | | | | | | "stored once" even if its address is compared. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131849 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR9841 by having GVN not process dead loads. This wasChris Lattner2011-05-221-0/+5
| | | | | | | | causing it to get into infinite loops when it would widen a load (which can necessarily leave around dead loads). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131847 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a bug for hosts without round, PR8893.Chris Lattner2011-05-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131842 91177308-0d34-0410-b5e6-96231b3b80d8
* move PR9408 here.Chris Lattner2011-05-221-0/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131841 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the inliner to emit llvm.lifetime.start/end, to scope the local variablesNick Lewycky2011-05-221-0/+70
| | | | | | | of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
* switch to using a smallvector to avoid allocations for most normal size ↵Chris Lattner2011-05-221-2/+2
| | | | | | instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131837 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy some things up.Chris Lattner2011-05-221-16/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131836 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement emission of all Win64 exception tables. Make the COFF streamer emitCharles Davis2011-05-223-1/+24
| | | | | | | these tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131833 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the COFF streamer emit unwind info when processing a .seh_handlerdataCharles Davis2011-05-223-0/+200
| | | | | | | | | | | directive. Implement emission of Win64 EH unwind info. Pull in <cassert> in MCWin64EH.h so it can use the assert() macro. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131832 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't allow unaligned offsets and sizes in the Win64 EH directives.Charles Davis2011-05-221-2/+10
| | | | | | | Also, fix threshold for 'Big' register saves. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131830 91177308-0d34-0410-b5e6-96231b3b80d8
* random comment cleanups.Chris Lattner2011-05-221-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131829 91177308-0d34-0410-b5e6-96231b3b80d8
* remove StandardPasses, it has been replaced with PassManagerBuilderChris Lattner2011-05-222-248/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131827 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate dependence on StandardPasses.h. The code generator's pass pipelineChris Lattner2011-05-221-2/+6
| | | | | | | should eventually convert to PMBuilder, but I don't plan to do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131819 91177308-0d34-0410-b5e6-96231b3b80d8
* Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans toNick Lewycky2011-05-211-1/+30
| | | | | | | use these soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131812 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit 131781, to see if it fixes the x86-64 dragonegg buildbot.Duncan Sands2011-05-211-11/+1
| | | | | | | | | | Original log message: When BasicAA can determine that two pointers have the same base but differ by a dynamic offset, return PartialAlias instead of MayAlias. See the comment in the code for details. This fixes PR9971. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131809 91177308-0d34-0410-b5e6-96231b3b80d8
* add a copy ctor to TargetLibraryInfo.Chris Lattner2011-05-211-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131806 91177308-0d34-0410-b5e6-96231b3b80d8
* PR7952: Make isa<> use the same logic as cast<>, so that they both workEli Friedman2011-05-211-1/+1
| | | | | | | | consistently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131803 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: smulo -> add is now done target-independently in DAGCombiner, remove ↵Benjamin Kramer2011-05-211-6/+0
| | | | | | the patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131801 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement mulo x, 2 -> addo x, x in DAGCombiner.Benjamin Kramer2011-05-211-0/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131800 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "InstCombine: Turn mul.with.overflow(X, 2) into the cheaper ↵Benjamin Kramer2011-05-211-14/+0
| | | | | | | | add.with.overflow(X, X)" It's better to do this in codegen, mul.with.overflow(X, 2) is more canonical because it has only one use on "X". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131798 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't allow .seh_handler and .seh_handlerdata directives inside chainedCharles Davis2011-05-211-0/+5
| | | | | | | unwind areas. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131795 91177308-0d34-0410-b5e6-96231b3b80d8
* A handler for a function in the Win64 EH scheme can be both an unwind handlerCharles Davis2011-05-211-3/+5
| | | | | | | | | | and an exception handler. Handle that case. Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be needed later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131791 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Turn mul.with.overflow(X, 2) into the cheaper ↵Benjamin Kramer2011-05-211-0/+14
| | | | | | add.with.overflow(X, X) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131789 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR9978 by adding RIP to GR64_TC so it can be used as an address in PIC ↵Cameron Zwarich2011-05-211-1/+1
| | | | | | | | | code. It is already in GR64 for the same reasons. Since it isn't allocatable it can't cause any problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131787 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the correct register to access stack frame objects.Akira Hatanaka2011-05-211-10/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131785 91177308-0d34-0410-b5e6-96231b3b80d8
* Insert instructions that copy $sp to or from $fp at the right locations. Akira Hatanaka2011-05-211-11/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131784 91177308-0d34-0410-b5e6-96231b3b80d8
* When BasicAA can determine that two pointers have the same base butDan Gohman2011-05-211-1/+11
| | | | | | | | differ by a dynamic offset, return PartialAlias instead of MayAlias. See the comment in the code for details. This fixes PR9971. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131781 91177308-0d34-0410-b5e6-96231b3b80d8
* Have Program::Wait return -2 for crashed and timeouts instead of embeddingAndrew Trick2011-05-213-14/+13
| | | | | | | info in the error message. Per Dan's request. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131780 91177308-0d34-0410-b5e6-96231b3b80d8
* Set the "LastFrameInst" field when streaming a .seh_setframe directive. ThisCharles Davis2011-05-211-0/+1
| | | | | | | is needed for an upcoming patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131772 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR9962 by properly constraining register classes in ↵Cameron Zwarich2011-05-201-0/+4
| | | | | | | | RemoveCopyByCommutingDef(). This actually fixes most of the VerifyCoalescing failures in test-suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131768 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the order fixed objects are created in MipsTargetLowering::LowerCall inAkira Hatanaka2011-05-201-25/+35
| | | | | | | | | | | | | | | | preparation for reversing StackDirection. Fixed objects are created in the following order: 1. Incoming arguments passed on stack. 2. va_arg objects (include both arguments that are passed in registers and pointer to the location of the first va_arg argument). 3. $gp restore slot. 4. Outgoing arguments passed on stack. 5. Pointer to alloca'd space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131767 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo. When will I learn?Charles Davis2011-05-201-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131765 91177308-0d34-0410-b5e6-96231b3b80d8
* Add fast-isel support for byval calls on x86.Eli Friedman2011-05-201-17/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131764 91177308-0d34-0410-b5e6-96231b3b80d8
* Add .pdata and .xdata sections to the COFF TLOF implementation.Charles Davis2011-05-201-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131763 91177308-0d34-0410-b5e6-96231b3b80d8
* No reason not to allow defining the CFA as a reg w/ offset zero.Jim Grosbach2011-05-202-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131760 91177308-0d34-0410-b5e6-96231b3b80d8
* In CC_MipsO32, allocate a stack space regardless of whether the argument isAkira Hatanaka2011-05-201-22/+25
| | | | | | | | passed in register or on the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131758 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Jim Grosbach2011-05-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131757 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for frame info use of the .cfi_def_cfa directive.Jim Grosbach2011-05-201-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131756 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing leading \t when printing .cfi_def_cfa in the asmstreamer.Jim Grosbach2011-05-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131755 91177308-0d34-0410-b5e6-96231b3b80d8
* Define functions that get/set maximum call frame size.Akira Hatanaka2011-05-201-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131752 91177308-0d34-0410-b5e6-96231b3b80d8
* adds some attributes to attribute section when cpu is "xscale"Rafael Espindola2011-05-201-0/+6
| | | | | | | | (this is what used in Android NDK, when architecture is ARMv5) patch by Koan-Sin Tan git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131751 91177308-0d34-0410-b5e6-96231b3b80d8
* fixes target address tBL and tBLX and sets relocation typeRafael Espindola2011-05-202-2/+13
| | | | | | | | of tBL/tBLX to R_ARM_THM_CALL (ARM ELF 4.7.1.6) Patch by koan-sin tan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131748 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit 131641 with fixes; de-pseudoize MOVSX16rr8 and friends.Stuart Hastings2011-05-205-50/+38
| | | | | | | rdar://problem/8614450 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131746 91177308-0d34-0410-b5e6-96231b3b80d8
* Make $fp and $ra callee-saved registers and let PrologEpilogInserter handleAkira Hatanaka2011-05-205-101/+37
| | | | | | | saving and restoring them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131745 91177308-0d34-0410-b5e6-96231b3b80d8
* indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs.Andrew Trick2011-05-203-110/+361
| | | | | | | | | | | No functionality enabled by default. Use -disable-iv-rewrite. Extended IVUsers to keep track of the phi that represents the users' IV. Added the WidenIV transform to replace a narrow IV with a wide IV by doing a one-for-one replacement of IV users instead of expanding the SCEV expressions. [sz]exts are removed and truncs are inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131744 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that they're implemented, make the Win64 EH MCAsmStreamer methods callCharles Davis2011-05-201-0/+26
| | | | | | | super. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131743 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert accidental commit.Evan Cheng2011-05-203-10/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131739 91177308-0d34-0410-b5e6-96231b3b80d8
* "Implement" the HandlerData Win64 EH method in the base MCStreamer.Charles Davis2011-05-201-2/+1
| | | | | | | | | There's really nothing to implement. All this really does is swap to a pseudo-section that later gets written to the unwind info struct. That needs to be implemented in the object streamers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131734 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the "sandybridge" subtarget to "corei7-avx", for GCC compatibility.Benjamin Kramer2011-05-202-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131730 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove noisy semicolons.Benjamin Kramer2011-05-202-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131724 91177308-0d34-0410-b5e6-96231b3b80d8
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