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| * Clean up the handling of the x87 fp stack to make it more robust.Jakob Stoklund Olesen2011-06-287-227/+531
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Drop the FpMov instructions, use plain COPY instead. Drop the FpSET/GET instruction for accessing fixed stack positions. Instead use normal COPY to/from ST registers around inline assembly, and provide a single new FpPOP_RETVAL instruction that can access the return value(s) from a call. This is still necessary since you cannot tell from the CALL instruction alone if it returns anything on the FP stack. Teach fast isel to use this. This provides a much more robust way of handling fixed stack registers - we can tolerate arbitrary FP stack instructions inserted around calls and inline assembly. Live range splitting could sometimes break x87 code by inserting spill code in unfortunate places. As a bonus we handle floating point inline assembly correctly now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134018 91177308-0d34-0410-b5e6-96231b3b80d8
| * Reinstate r133516 "Remove some unnecessary uses of c_str()." A trailing nullChad Rosier2011-06-281-6/+6
| | | | | | | | | | | | | | | | | | | | character in std::string was causing failures for a few ObjC and Obj-C++ tests when -flto was enabled. Revision 133999 resolved this issue. Thanks Jay! rdar://9685235 PR10210 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134017 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove warning: 'c0' may be used uninitialized in this function.Chad Rosier2011-06-281-1/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134014 91177308-0d34-0410-b5e6-96231b3b80d8
| * Print registers by name instead of by number.Jakob Stoklund Olesen2011-06-281-6/+7
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134013 91177308-0d34-0410-b5e6-96231b3b80d8
| * cleanup: misleading comment.Andrew Trick2011-06-281-2/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134010 91177308-0d34-0410-b5e6-96231b3b80d8
| * cmake: Our MSVC build does not support config-time build mode.Andrew Trick2011-06-281-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134008 91177308-0d34-0410-b5e6-96231b3b80d8
| * Implement ISD::VAARG lowering on PPC32.Roman Divacky2011-06-282-5/+290
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134005 91177308-0d34-0410-b5e6-96231b3b80d8
| * PR10210: New method ConstantArray::getAsCString(). Use it in LTO toJay Foad2011-06-283-9/+30
| | | | | | | | | | | | | | avoid getting embedded trailing null bytes in std::strings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133999 91177308-0d34-0410-b5e6-96231b3b80d8
| * FileCheckify and prepare for -disable-iv-rewrite.Andrew Trick2011-06-281-7/+11
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133998 91177308-0d34-0410-b5e6-96231b3b80d8
| * FileCheckize a couple of tests.Jakob Stoklund Olesen2011-06-282-8/+44
| | | | | | | | | | | | | | Also and add a test for popping dead return values and avoid testing the spill precision. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133997 91177308-0d34-0410-b5e6-96231b3b80d8
| * Cleanup. Fix a stupid variable name.Andrew Trick2011-06-281-3/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133996 91177308-0d34-0410-b5e6-96231b3b80d8
| * Cleanup. Fix a stupid variable name.Andrew Trick2011-06-281-3/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133995 91177308-0d34-0410-b5e6-96231b3b80d8
| * SCEVExpander: give new insts a name that identifies the reponsible pass.Andrew Trick2011-06-285-9/+14
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133992 91177308-0d34-0410-b5e6-96231b3b80d8
| * whitespaceAndrew Trick2011-06-281-8/+8
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133991 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix typo in comment.Nick Lewycky2011-06-281-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133990 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix cmake build.Rafael Espindola2011-06-281-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133989 91177308-0d34-0410-b5e6-96231b3b80d8
| * indvars --disable-iv-rewrite: sever ties with IVUsers.Andrew Trick2011-06-282-21/+6
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133988 91177308-0d34-0410-b5e6-96231b3b80d8
| * indvars --disable-iv-rewrite: Defer evaluating s/zext until SCEVAndrew Trick2011-06-281-40/+57
| | | | | | | | | | | | | | evaluates all other IV exprs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133982 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix CMake build by removing this now dead file.Chandler Carruth2011-06-281-1/+0
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133981 91177308-0d34-0410-b5e6-96231b3b80d8
| * FileCheck-ize a test that had the strangest TCL quote I've seen yet: anChandler Carruth2011-06-281-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | opening single quote with no closing single quote, and with {} quotes "inside" of it. This broke some of our tools that scrape test cases. Also, while here, make the test actually assert what the comment says it asserts. This was essentially authored by Nick Lewycky, and merely typed in by myself. Let me know if this is still missing the mark, but the previous test only succeeded due to the improper quoting preventing *anything* from matching the grep -- it had a '4(%...)' sequence in the output! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133980 91177308-0d34-0410-b5e6-96231b3b80d8
| * Alternative name enum should go into the enum portion.Evan Cheng2011-06-281-14/+21
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133979 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix a bad iterator dereference that Evan uncovered.Jakob Stoklund Olesen2011-06-281-2/+4
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133978 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM Thumb2 asm syntax optional destination operand for binary operators.Jim Grosbach2011-06-282-9/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the destination operand is the same as the first source register operand for arithmetic instructions, the destination operand may be omitted. For example, the following two instructions are equivalent: and r1, #ff and r1, r1, #ff rdar://9672867 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133973 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove RegClass2VRegMap from MachineRegisterInfo.Evan Cheng2011-06-272-26/+0
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133967 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM Assembly support for Thumb mov-immediate.Jim Grosbach2011-06-275-4/+57
| | | | | | | | | | | | | | | | | | | | | | | | Correctly parse the forms of the Thumb mov-immediate instruction: 1. 8-bit immediate 0-255. 2. 12-bit shifted-immediate. The 16-bit immediate "movw" form is also legal with just a "mov" mnemonic, but is not yet supported. More parser logic necessary there due to fixups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133966 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove RCBarriers from TargetInstrDesc.Evan Cheng2011-06-273-68/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133964 91177308-0d34-0410-b5e6-96231b3b80d8
| * Remove the experimental (and unused) pre-ra splitting pass. Greedy regalloc ↵Evan Cheng2011-06-2714-1777/+0
| | | | | | | | | | | | can split live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133962 91177308-0d34-0410-b5e6-96231b3b80d8
| * indvars -disable-iv-rewrite: run RLEV after SimplifyIVUsers forAndrew Trick2011-06-271-4/+6
| | | | | | | | | | | | | | a bit more control over the order SCEVs are evaluated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133959 91177308-0d34-0410-b5e6-96231b3b80d8
| * Revert r133516 "Remove some unnecessary uses of c_str()."Chad Rosier2011-06-271-6/+6
| | | | | | | | | | | | | | | | This was causing compile-time failures for some of the Objc and Obj-C++ benchmarks. The specific errors were of the form: "ld: duplicate symbol …" rdar://9660124 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133955 91177308-0d34-0410-b5e6-96231b3b80d8
| * During bottom up fast-isel, instructions emitted to materalize registers are ↵Devang Patel2011-06-274-0/+148
| | | | | | | | | | | | at top of basic block and do not have debug location. This may misguide debugger while entering the basic block and sometimes debugger provides semi useful view of current location to developer by picking up previous known location as current location. Assign a sensible location to the first instruction in a basic block, if it does not have one location derived from source file, so that debugger can provide meaningful user experience to developers in edge cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133953 91177308-0d34-0410-b5e6-96231b3b80d8
| * Fix this test to actually check something and be able to be compiled.Eric Christopher2011-06-271-2/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133952 91177308-0d34-0410-b5e6-96231b3b80d8
| * Calculate GetBestDestForJumpOnUndef correctly.Jakub Staszak2011-06-271-1/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133946 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM Asm parsing of Thumb2 move immediate.Jim Grosbach2011-06-271-2/+3
| | | | | | | | | | | | | | Thumb2 MOV mnemonic can accept both cc_out and predication. We don't (yet) encode the instruction properly, but this gets the parsing part. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133945 91177308-0d34-0410-b5e6-96231b3b80d8
| * More refactoring. Move getRegClass from TargetOperandInfo to TargetInstrInfo.Evan Cheng2011-06-2718-63/+54
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133944 91177308-0d34-0410-b5e6-96231b3b80d8
| * Add support for alternative register names, useful for instructions whose ↵Owen Anderson2011-06-2714-55/+268
| | | | | | | | | | | | | | | | | | operands are logically equivalent to existing registers, but happen to be printed specially. For example, an instruciton that prints d0[0] instead of s0. Patch by Jim Grosbach. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133940 91177308-0d34-0410-b5e6-96231b3b80d8
| * Add exception necessitated by 133938.Jim Grosbach2011-06-271-1/+1
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133939 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM assembly carry set/clear condition code aliases for 'hi/lo'Jim Grosbach2011-06-271-0/+2
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133938 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM assembler support for ldmfd/stmfd mnemonics.Jim Grosbach2011-06-272-0/+10
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133936 91177308-0d34-0410-b5e6-96231b3b80d8
| * Allow lr in the register options here.Eric Christopher2011-06-271-3/+3
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133935 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM assembler support for vpush/vpop.Jim Grosbach2011-06-272-0/+28
| | | | | | | | | | | | | | | | | | | | | | Add aliases for the vpush/vpop mnemonics to the VFP load/store multiple writeback instructions w/ SP as the base pointer. rdar://9683231 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133932 91177308-0d34-0410-b5e6-96231b3b80d8
| * Rename unnecessary forward declaration.Evan Cheng2011-06-271-1/+0
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133928 91177308-0d34-0410-b5e6-96231b3b80d8
| * More refactoring. MC doesn't need know about subreg indices.Evan Cheng2011-06-272-82/+85
| | | | | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133927 91177308-0d34-0410-b5e6-96231b3b80d8
| * ARM Assembly syntax support for arithmetic implied dest operand.Jim Grosbach2011-06-272-7/+151
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the destination operand is the same as the first source register operand for arithmetic instructions, the destination operand may be omitted. For example, the following two instructions are equivalent: sub r2, r2, #6 sub r2, #6 rdar://9682597 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133925 91177308-0d34-0410-b5e6-96231b3b80d8
| * The index stored in the RegDefIter is one after the current index. When ↵Owen Anderson2011-06-271-1/+1
| | | | | | | | | | | | getting the index, decrement it so that it points to the current element. Fixes an off-by-one bug encountered when trying to make use of MVT::untyped. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133923 91177308-0d34-0410-b5e6-96231b3b80d8
| * Merge XXXGenRegisterDesc.inc XXXGenRegisterNames.inc XXXGenRegisterInfo.h.incEvan Cheng2011-06-2771-256/+295
| | | | | | | | | | | | | | into XXXGenRegisterInfo.inc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133922 91177308-0d34-0410-b5e6-96231b3b80d8
| * pre-RA-sched: Cleanup register pressure tracking.Andrew Trick2011-06-272-16/+4
| | | | | | | | | | | | | | | | | | Removed the check that peeks past EXTRA_SUBREG, which I don't think makes sense any more. Intead treat it as a normal register def. No significant affect on x86 or ARM benchmarks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133917 91177308-0d34-0410-b5e6-96231b3b80d8
| * Move all inline-asm-fpstack tests to a single file.Jakob Stoklund Olesen2011-06-275-83/+77
| | | | | | | | | | | | | | | | | | | | Also fix some of the tests that were actually testing wrong behavior - An input operand in {st} is only popped by the inline asm when {st} is also in the clobber list. The original bug reports all had ~{st} clobbers as they should. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133916 91177308-0d34-0410-b5e6-96231b3b80d8
| * Track live-out physical registers in MachineDCE.Jakob Stoklund Olesen2011-06-271-3/+8
| | | | | | | | | | | | Patch by Sanjoy Das! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133910 91177308-0d34-0410-b5e6-96231b3b80d8
| * Teach one piece of scalarrepl to handle lifetime markers. When transforming anNick Lewycky2011-06-272-13/+51
| | | | | | | | | | | | | | | | | | alloca that only holds a copy of a global and we're going to replace the users of the alloca with that global, just nuke the lifetime intrinsics. Part of PR10121. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133905 91177308-0d34-0410-b5e6-96231b3b80d8
| * Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by otherNick Lewycky2011-06-273-16/+21
| | | | | | | | | | | | | | passes as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133904 91177308-0d34-0410-b5e6-96231b3b80d8
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