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2012-09-06Tablegen: Add OperandWithDefaultOps Operand typeTom Stellard
This Operand type takes a default argument, and is initialized to this value if it does not appear in a patter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Add a new optimization pass: Stack Coloring, that merges disjoint static ↵Nadav Rotem
allocations (allocas). Allocas are known to be disjoint if they are marked by disjoint lifetime markers (@llvm.lifetime.XXX intrinsics). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Use the asm dialect from the MI to set the parser dialect.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Teach libObject about some more ELF relocations. llvm-objdump -r now knowsNick Lewycky
every relocation in C++ hello world built with debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163271 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Cleanup a few magic numbers.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Stop casting away const qualifier needlessly.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163258 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] We only need one bit to represent the AsmDialect in theChad Rosier
MachineInstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify SDNodeIterator an stop its only non-const user being cast strippedRoman Divacky
of its constness. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify subtarget info properly so that we dont cast away the const inRoman Divacky
the SubtargetInfoKV tables. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Propagate the asm dialect into the MachineInstr representation.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Clean up.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Enumerate the InlineAsm dialects and rename the nsdialect toChad Rosier
inteldialect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Clean up includes.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163229 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Remove unused typedefs gcc4.8 warns about.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05MCJIT: getPointerToFunction() references target address space.Jim Grosbach
Make sure to return a pointer into the target memory, not the local memory. Often they are the same, but we can't assume that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Removed Trie.h; unused in a long timeMarshall Clow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163191 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Fix function name per coding standard.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Add support for the nsdialect keyword in the BitcodeChad Rosier
Reader/Writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163185 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Make provenance checking conservative in cases whenDan Gohman
pointers-to-strong-pointers may be in play. These can lead to retains and releases happening in unstructured ways, foiling the optimizer. This fixes rdar://12150909. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04[ms-inline asm] Add the inline assembly dialect, AsmDialect, to the InlineAsmChad Rosier
class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04[ms-inline asm] Remove the Inline Asm Non-Standard Dialect attribute. ThisChad Rosier
implementation does not co-exist well with how the sideeffect and alignstack attributes are handled. The reverts r161641. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Remove unneeded code.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163160 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Actually use the MachineOperand field for isRegTiedToDefOperand().Jakob Stoklund Olesen
The MachineOperand::TiedTo field was maintained, but not used. This patch enables it in isRegTiedToDefOperand() and isRegTiedToUseOperand() which are the actual functions use by the register allocator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Allow tied uses and defs in different orders.Jakob Stoklund Olesen
After much agonizing, use a full 4 bits of precious MachineOperand space to encode this. This uses existing padding, and doesn't grow MachineOperand beyond its current 32 bytes. This allows tied defs among the first 15 operands on a normal instruction, just like the current MCInstrDesc constraint encoding. Inline assembly needs to be able to tie more than the first 15 operands, and gets special treatment. Tied uses can appear beyond 15 operands, as long as they are tied to a def that's in range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163151 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Generic Bypass Slow DivPreston Gurd
- CodeGenPrepare pass for identifying div/rem ops - Backend specifies the type mapping using addBypassSlowDivType - Enabled only for Intel Atom with O2 32-bit -> 8-bit - Replace IDIV with instructions which test its value and use DIVB if the value is positive and less than 256. - In the case when the quotient and remainder of a divide are used a DIV and a REM instruction will be present in the IR. In the non-Atom case they are both lowered to IDIVs and CSE removes the redundant IDIV instruction, using the quotient and remainder from the first IDIV. However, due to this optimization CSE is not able to eliminate redundant IDIV instructions because they are located in different basic blocks. This is overcome by calculating both the quotient (DIV) and remainder (REM) in each basic block that is inserted by the optimization and reusing the result values when a subsequent DIV or REM instruction uses the same operands. - Test cases check for the presents of the optimization when calculating either the quotient, remainder, or both. Patch by Tyler Nowicki! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Make sure macros in the include subdirectory are not used without being defined.Bob Wilson
Rationale: For each preprocessor macro, either the definedness is what's meaningful, or the value is what's meaningful, or both. If definedness is meaningful, we should use #ifdef. If the value is meaningful, we should use and #ifdef interchangeably for the same macro, seems ugly to me, even if undefined macros are zero if used. This also has the benefit that including an LLVM header doesn't prevent you from compiling with -Wundef -Werror. Patch by John Garvin! <rdar://problem/12189979> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163148 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-04Add support for fetching inlining context (stack of source code locations)Alexey Samsonov
by instruction address from DWARF. Add --inlining flag to llvm-dwarfdump to demonstrate and test this functionality, so that "llvm-dwarfdump --inlining --address=0x..." now works much like "addr2line -i 0x...", provided that the binary has debug info (Clang's -gline-tables-only *is* enough). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163128 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-03[ms-inline asm] Asm operands can map to one or more MCOperands. Therefore, addChad Rosier
the NumMCOperands argument to the GetMCInstOperandNum() function that is set to the number of MCOperands this asm operand mapped to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-03[ms-inline asm] Add an interface to the GetMCInstOperandNum() function in theChad Rosier
MCTargetAsmParser class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163122 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-03Removed unused argument.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-03[ms-inline asm] Expose the Kind and Opcode variables from theChad Rosier
MatchInstructionImpl() function. These values are used by the ConvertToMCInst() function to index into the ConversionTable. The values are also needed to call the GetMCInstOperandNum() function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163101 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-02replace a couple of single-line comments with /* */ to fix the build of ↵Nuno Lopes
stuff depending on the C headers git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-02Not all targets have efficient ISel code generation for select instructions.Nadav Rotem
For example, the ARM target does not have efficient ISel handling for vector selects with scalar conditions. This patch adds a TLI hook which allows the different targets to report which selects are supported well and which selects should be converted to CF duting codegen prepare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-02Rename ANDROIDEABI to Android.Logan Chien
Most of the code guarded with ANDROIDEABI are not ARM-specific, and having no relation with arm-eabi. Thus, it will be more natural to call this environment "Android" instead of "ANDROIDEABI". Note: We are not using ANDROID because several projects are using "-DANDROID" as the conditional compilation flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-01PR13689: Check for backtrace(3) in the cmake build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-01Add ARM ELF support to llvm-objdump.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31Add MachineInstr::tieOperands, remove setIsTied().Jakob Stoklund Olesen
Manage tied operands entirely internally to MachineInstr. This makes it possible to change the representation of tied operands, as I will do shortly. The constraint that tied uses and defs must be in the same order was too restrictive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163021 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31Move the GCOVFormat enums into their own namespace per the LLVM coding standard.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31The ConvertToMCInst() function can't fail, so remove the now dead ↵Chad Rosier
Match_ConversionFail enum. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163002 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31Clean up ProfileDataLoader a bit.Benjamin Kramer
- Overloading operator<< for raw_ostream and pointers is dangerous, it alters the behavior of code that includes the header. - Remove unused ID. - Use LLVM's byte swapping helpers instead of a hand-coded. - Make ReadProfilingData work directly on a pointer. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-31Cleanups due to feedback. No functionality change. Patch by Alistair.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162979 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-30Fix HashString's Bernstein hash to use unsigned chars, as is usually done.Will Dietz
Changes the hash result for strings containing characters with values >= 128, such as UTF8 strings (not normal ASCII). Changed mostly so we match other implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162882 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Add a bit of documentation to copyPhysReg.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162879 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Explicitly cast an expression to bool before handing it off to __builtin_expect.Benjamin Kramer
Avoids surprises when someone uses LLVM_(UN)LIKELY with an integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Replace the BUILTIN_EXPECT macro with a less horrible ↵Benjamin Kramer
LLVM_LIKELY/LLVM_UNLIKELY interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Allow targets to specify a minimum supported NOP size when performing NOP ↵Owen Anderson
padding. If the desired padding is smaller than the supported NOP size, we will enlarge the padding to make it work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162870 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Rename hasVolatileMemoryRef() to hasOrderedMemoryRef().Jakob Stoklund Olesen
Ordered memory operations are more constrained than volatile loads and stores because they must be ordered with respect to all other memory operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Add MachineMemOperand::isUnordered().Jakob Stoklund Olesen
This means the same as LoadInst/StoreInst::isUnordered(), and implies !isVolatile(). Atomic loads and stored are also ordered, and this is the right method to check if it is safe to reorder memory operations. Ordered atomics can't be reordered wrt normal loads and stores, which is a stronger constraint than volatile. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162859 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29fix C++ comment in C headerMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Make MemoryBuiltins aware of TargetLibraryInfo.Benjamin Kramer
This disables malloc-specific optimization when -fno-builtin (or -ffreestanding) is specified. This has been a problem for a long time but became more severe with the recent memory builtin improvements. Since the memory builtin functions are used everywhere, this required passing TLI in many places. This means that functions that now have an optional TLI argument, like RecursivelyDeleteTriviallyDeadFunctions, won't remove dead mallocs anymore if the TLI argument is missing. I've updated most passes to do the right thing. Fixes PR13694 and probably others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162841 91177308-0d34-0410-b5e6-96231b3b80d8
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