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* Replace the -unwind-tables option with a per function flag. This is moreRafael Espindola2011-05-2514-28/+48
| | | | | | | LTO friendly as we can now correctly merge files compiled with or without -fasynchronous-unwind-tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix lowering of DYNAMIC_STACKALLOC nodes.Akira Hatanaka2011-05-252-2/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132030 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test for the .seh_handler directive. Fix problems with the parsingCharles Davis2011-05-252-27/+28
| | | | | | | | method exposed by the test. While we're at it, simplify the .seh_proc parsing method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132028 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR9762Bruno Cardoso Lopes2011-05-252-0/+5
| | | | | | Enable the parsing of the operand "cpsr_all" for the ARM msr instruction git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132026 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot dyn_cast check.Evan Cheng2011-05-241-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132025 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the arm 'L' asm modifier.Eric Christopher2011-05-242-1/+13
| | | | | | | Part of rdar://9119939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132024 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the immediate part of the 'B' modifier.Eric Christopher2011-05-242-1/+13
| | | | | | | Part of rdar://9119939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix LoopUnswitch bug. RewriteLoopBodyWithConditionConstant can delete a deadEvan Cheng2011-05-241-13/+34
| | | | | | | | | | | | case of a switch instruction. Back off this optimization when this would eliminate all of the predecessors to the latch. Sorry, I am unable to reduce a reasonably sized test case. rdar://9486843 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132022 91177308-0d34-0410-b5e6-96231b3b80d8
* Add more unimplemented asm modifiers and some documentation of what theyEric Christopher2011-05-241-3/+13
| | | | | | | | | do. Part of rdar://9119939. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132015 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for the arm 'y' asm modifier.Eric Christopher2011-05-242-0/+27
| | | | | | | Fixes part of rdar://9444657 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132011 91177308-0d34-0410-b5e6-96231b3b80d8
* Update documentation: -basicaa does chaining these days.Dan Gohman2011-05-241-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132010 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for r132003.Akira Hatanaka2011-05-241-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132005 91177308-0d34-0410-b5e6-96231b3b80d8
* Test basic SEH directive-parsing functionality. Fix a latent bug exposed byCharles Davis2011-05-242-1/+20
| | | | | | | this test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132004 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable printing of immediates that do not fit in 16-bit. .cprestore can haveAkira Hatanaka2011-05-244-4/+4
| | | | | | | | offsets that are larger than 0x10000. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132003 91177308-0d34-0410-b5e6-96231b3b80d8
* Change condition for determining whether a function is small for inlining ↵Eli Friedman2011-05-241-1/+1
| | | | | | | | | | metrics so that very long functions with few basic blocks are not re-analyzed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131994 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the rest of the SEH directive-parsing methods in the COFFAsmParser.Charles Davis2011-05-242-11/+121
| | | | | | | | | | Add a size alignment check to the .seh_stackalloc directive parser. Add a more descriptive error message to the .seh_handler directive parser. Add methods to the TargetAsmInfo struct in support of all this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131992 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test case.Akira Hatanaka2011-05-241-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131988 91177308-0d34-0410-b5e6-96231b3b80d8
* Revision 131986 test case.Akira Hatanaka2011-05-241-0/+136
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131987 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement byval structure argument passing. The following limitations orAkira Hatanaka2011-05-241-5/+115
| | | | | | | | | | | | deficiencies exist: - Works only if ABI is o32. - Zero-sized structures cannot be passed. - There is a lot of redundancy in generated code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131986 91177308-0d34-0410-b5e6-96231b3b80d8
* Make instcombine O(N) instead of O(N^2) in code where the same simplifiable ↵Eli Friedman2011-05-241-10/+11
| | | | | | | | | | constant is used many times. Part of rdar://9471075. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131979 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Devang Patel2011-05-243-17/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131974 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix "make check" in Release by removing debug-only options from an 'opt' ↵Cameron Zwarich2011-05-241-2/+2
| | | | | | invocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131972 91177308-0d34-0410-b5e6-96231b3b80d8
* Make DecomposeGEPExpression check SimplifyInstruction onlyDan Gohman2011-05-242-9/+37
| | | | | | | | | after checking for a GEP, so that it matches what GetUnderlyingObject does. This fixes an obscure bug turned up by bugpoint in the testcase for PR9931. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131971 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a method to TargetRegisterInfo to get the register number that the Win64 EHCharles Davis2011-05-243-0/+30
| | | | | | | | scheme uses internally. Implement it for x86 (the only architecture that LLVM supports for which this matters right now). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131969 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the lazy initialization of DIBuilder a bit.Cameron Zwarich2011-05-244-13/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131956 91177308-0d34-0410-b5e6-96231b3b80d8
* Work around code generation bug in Visual Studio 2010.Jakob Stoklund Olesen2011-05-241-2/+2
| | | | | | See http://llvm.org/pr9976 for details. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131954 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values whenCameron Zwarich2011-05-249-27/+125
| | | | | | promoting allocas to SSA variables. Fixes <rdar://problem/9479036>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953 91177308-0d34-0410-b5e6-96231b3b80d8
* Explain FIXME.Rafael Espindola2011-05-241-4/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131952 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the defaults for .eh_frame. We were marking it as writable.Rafael Espindola2011-05-242-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131951 91177308-0d34-0410-b5e6-96231b3b80d8
* - Teach SelectionDAG::isKnownNeverZero to return true (op x, c) when c isEvan Cheng2011-05-243-12/+45
| | | | | | | | | | | non-zero. - Teach X86 cmov optimization to eliminate the cmov from ctlz, cttz extension when the source of X86ISD::BSR / X86ISD::BSF is proven to be non-zero. rdar://9490949 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131948 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead option.Evan Cheng2011-05-241-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131947 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheck-ize a couple of IV unit tests.Andrew Trick2011-05-242-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131946 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix cmake dependencies.Rafael Espindola2011-05-241-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131943 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify offset calculation of stack frame objects for $gp restore location andAkira Hatanaka2011-05-241-56/+31
| | | | | | | | | variable arguments in LowerCall and LowerFormalArguments. This should also fix the bug in which handling of variable arguments is incorrect when the front-end optimizes away unused fixed arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131942 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix debug info for blocks' variable.Devang Patel2011-05-241-6/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131940 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for r130799 - indvars: Added canExpandBackEdgeTakenCount.Andrew Trick2011-05-241-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131939 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary comment.Devang Patel2011-05-231-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131936 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand f64 FPOW.Akira Hatanaka2011-05-231-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131928 91177308-0d34-0410-b5e6-96231b3b80d8
* Add pattern for double-to-integer conversion. Patch by Sasa Stankovic.Akira Hatanaka2011-05-232-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131927 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 121907 (it causes llc crash) and apply original patch from PR9817.Devang Patel2011-05-232-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131926 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes related to coding style.Akira Hatanaka2011-05-231-36/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131922 91177308-0d34-0410-b5e6-96231b3b80d8
* Document llvm.exp and llvm.pow. Dan Gohman2011-05-231-0/+68
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131921 91177308-0d34-0410-b5e6-96231b3b80d8
* When checking for signed multiplication overflow, watch out for INT_MIN and -1.Dan Gohman2011-05-232-0/+20
| | | | | | | This fixes PR9845. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131919 91177308-0d34-0410-b5e6-96231b3b80d8
* Propagate error correctly in the MC Asm parser for leading '$' expressions.Jim Grosbach2011-05-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131918 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MipsAsmPrinter::printSavedRegsBitmaskChange. Remove functions and variablesAkira Hatanaka2011-05-232-38/+40
| | | | | | | | in MipsFunctionInfo that are no longer used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131917 91177308-0d34-0410-b5e6-96231b3b80d8
* clarify this, apparently it is confusing :)Chris Lattner2011-05-231-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131916 91177308-0d34-0410-b5e6-96231b3b80d8
* Change StackDirection from StackGrowsUp to StackGrowsDown.Akira Hatanaka2011-05-236-252/+94
| | | | | | | | | | | | | | | | | | The following improvements are accomplished as a result of applying this patch: - Fixed frame objects' offsets (relative to either the virtual frame pointer or the stack pointer) are set before instruction selection is completed. There is no need to wait until Prologue/Epilogue Insertion is run to set them. - Calculation of final offsets of fixed frame objects is straightforward. It is no longer necessary to assign negative offsets to fixed objects for incoming arguments in order to distinguish them from the others. - Since a fixed object has its relative offset set during instruction selection, there is no need to conservatively set its alignment to 4. - It is no longer necessary to reorder non-fixed frame objects in MipsFrameLowering::adjustMipsStackFrame. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131915 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for r131908.Devang Patel2011-05-231-0/+102
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131909 91177308-0d34-0410-b5e6-96231b3b80d8
* Preserve debug info during iSel by keeping DanglingDebugInfoMap live until ↵Devang Patel2011-05-233-1/+19
| | | | | | | | | end of function. Patch by Micah Villmow git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131908 91177308-0d34-0410-b5e6-96231b3b80d8
* While replacing all uses of a SDValue with another value, do not forget to ↵Devang Patel2011-05-232-0/+51
| | | | | | transfer SDDbgValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131907 91177308-0d34-0410-b5e6-96231b3b80d8
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