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2012-12-04This patch introduces initial-exec model support for thread-local storageBill Schmidt
on 64-bit PowerPC ELF. The patch includes code to handle external assembly and MC output with the integrated assembler. It intentionally does not support the "old" JIT. For the initial-exec TLS model, the ABI requires the following to calculate the address of external thread-local variable x: Code sequence Relocation Symbol ld 9,x@got@tprel(2) R_PPC64_GOT_TPREL16_DS x add 9,9,x@tls R_PPC64_TLS x The register 9 is arbitrary here. The linker will replace x@got@tprel with the offset relative to the thread pointer to the generated GOT entry for symbol x. It will replace x@tls with the thread-pointer register (13). The two test cases verify correct assembly output and relocation output as just described. PowerPC-specific selection node variants are added for the two instructions above: LD_GOT_TPREL and ADD_TLS. These are inserted when an initial-exec global variable is encountered by PPCTargetLowering::LowerGlobalTLSAddress(), and later lowered to machine instructions LDgotTPREL and ADD8TLS. LDgotTPREL is a pseudo that uses the same LDrs support added for medium code model's LDtocL, with a different relocation type. The rest of the processing is straightforward. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort includes for all of the .h files under the 'lib' tree. These wereChandler Carruth
missed in the first pass because the script didn't yet handle include guards. Note that the script is now able to handle all of these headers without manual edits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Give scalar if-converted blocks half the score because they are not always ↵Nadav Rotem
executed due to CF. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add a comment about the requirement that the Windows.h header be last.Chandler Carruth
This comment has the dual effect of blocking reorderings with the sort_include script. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add a 'count' field to the DWARF subrange.Bill Wendling
The count field is necessary because there isn't a difference between the 'lo' and 'hi' attributes for a one-element array and a zero-element array. When the count is '0', we know that this is a zero-element array. When it's >=1, then it's a normal constant sized array. When it's -1, then the array is unbounded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169218 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add the last part that is needed for vectorization of if-converted code.Nadav Rotem
Added the code that actually performs the if-conversion during vectorization. We can now vectorize this code: for (int i=0; i<n; ++i) { unsigned k = 0; if (a[i] > b[i]) <------ IF inside the loop. k = k * 5 + 3; a[i] = k; <---- K is a phi node that becomes vector-select. } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04[asan] add experimental -asan-realign-stack option (true by default, which ↵Kostya Serebryany
does not change the current behavior) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add 'using' declarations to suppress -Woverloaded-virtual warnings.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169214 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Move all operand definitions into HexagonOperands.tdJyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Move generic Hexagon subtarget information into Hexagon.tdJyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04rdar://12329730 (2nd part, revised)Shuxin Yang
The type of shirt-right (logical or arithemetic) should remain unchanged when transforming "X << C1 >> C2" into "X << (C1-C2)" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169209 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04ASan: add initial support for handling llvm.lifetime intrinsics in ASan - ↵Alexey Samsonov
emit calls into runtime library that poison memory for local variables when their lifetime is over and unpoison memory when their lifetime begins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Simplify code. No functionality change.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169198 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Stack Alignment: when creating stack objects in MachineFrameInfo, make sureManman Ren
the alignment is clamped to TargetFrameLowering.getStackAlignment if the target does not support stack realignment or the option "realign-stack" is off. This will cause miscompile if the address is treated as aligned and add is replaced with or in DAGCombine. Added a bool StackRealignable to TargetFrameLowering to check whether stack realignment is implemented for the target. Also added a bool RealignOption to MachineFrameInfo to check whether the option "realign-stack" is on. rdar://12713765 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Use dyn_cast instead of isa and cast. No functionality change.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169196 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04LoopVectorize.cpp: Suppress a warning. [-Wunused-variable]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Fix whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169194 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Remove the old TRI::ResolveRegAllocHint() and getRawAllocationOrder() hooks.Jakob Stoklund Olesen
These functions have been replaced by TRI::getRegAllocationHints() which provides the same capabilities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Remove VirtRegMap::getRegAllocPref().Jakob Stoklund Olesen
Now that there can be multiple hint registers from targets, it doesn't make sense to have a function that returns 'the' preferred register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Use MRI::getSimpleHint() instead of getRegAllocPref() in remaining cases.Jakob Stoklund Olesen
Targets can provide multiple hints now, so getRegAllocPref() doesn't make sense any longer because it only returns one preferred register. Replace it with getSimpleHint() in the remaining heuristics. This function only git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169188 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Stack Alignment: move functions from header file MachineFrameInfo.h.Manman Ren
No functional change for this commit. The follow-up patch will add more stuff to these functions. rdar://12713765 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04RuntimeDyld: Fix up r169178. MSVC doesn't like "or".NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04rdar://12329730 (2nd part)Shuxin Yang
This change tries to simmplify E1 = " X >> C1 << C2" into : - E2 = "X << (C2 - C1)" if C2 > C1, or - E2 = "X >> (C1 - C2)" if C1 > C2, or - E2 = X if C1 == C2. Reviewed by Nadav. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169182 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Add VirtRegMap::hasKnownPreference().Jakob Stoklund Olesen
Virtual registers with a known preferred register are prioritized by RAGreedy. This function makes the condition explicit without depending on getRegAllocPref(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169179 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Runtime dynamic linker for MCJIT should support MIPS BigEndian architecture.Akira Hatanaka
This small change adds support for that. It will make all MCJIT tests pass in make-check on BigEndian platforms. Patch by Petar Jovanovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Classic JIT is still being supported by MIPS, along with MCJIT.Akira Hatanaka
This change adds endian-awareness to MipsJITInfo and emitWordLE in MipsCodeEmitter has become emitWord now to support both endianness. Patch by Petar Jovanovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Minor tweaking to SmallVector static size.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169176 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03minor renaming, documentation and cleanups.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Functions in MipsCodeEmitter.cpp that expand unaligned loads/stores are deadAkira Hatanaka
code. Removing it. Patch by Petar Jovanovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Use the new getRegAllocationHints() hook from AllocationOrder.Jakob Stoklund Olesen
This simplifies the hinting code quite a bit while making the targets easier to write at the same time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03constify the cost APINadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03IF-conversion: teach the cost-model how to grade if-converted loops.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169171 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Implement ARMBaseRegisterInfo::getRegAllocationHints().Jakob Stoklund Olesen
This provides the same functionality as getRawAllocationOrder() for the even/odd hints, but without the many constant register arrays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Define store instructions with base+immediate offset addressing modeJyotsna Verma
using multiclass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03[Support] Make FileOutputBuffer work on Windows.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169167 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03[Support][FileSystem] Fix open mode in resize_file on Windows.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Revert the header sort on this file.Michael J. Spencer
"Windows.h" includes <Windows.h> which defines a bunch of stuff it shouldn't (even with all the restriction macros). We have no control over this file, so make it's scope as small as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169165 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03moves doInitialization and doFinalization to the Pass class and removes some ↵Pedro Artigas
unreachable code in MachineModuleInfo reviewed by Evan Cheng <evan.cheng@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Now that we have a basic if-conversion infrastructure we can rename theNadav Rotem
"single basic block loop vectorizer" to "innermost loop vectorizer". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169158 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Since this SmallVector immediately grows on the next line, don't waste stack ↵Michael Ilseman
space. SmallVector is still needed due to existing APIs growing their arguments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Add a new hook for providing register allocator hints more flexibly.Jakob Stoklund Olesen
The TargetRegisterInfo::getRegAllocationHints() function is going to replace the existing mechanisms for providing target-dependent hints to the register allocator: ResolveRegAllocHint() and getRawAllocationOrder(). The new hook is more flexible because it allows the target to provide multiple preferred candidate registers for each virtual register, and it is easier to use because targets are not required to return a reference to a constant array like getRawAllocationOrder(). An optional VirtRegMap argument can be used to provide target-dependent hints that depend on the provisional assignments of other virtual registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Define load instructions with base+immediate offset addressing modeJyotsna Verma
using multiclass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Add initial support for IF-conversion. This patch implements the first 1/3,Nadav Rotem
which is the legality of the if-conversion transformation. The next step is to implement the cost-model for the if-converted code as well as the vectorization itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169152 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Define unsigned const-ext predicates.Jyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Removing unnecessary 'else' statement from the predicates defined in ↵Jyotsna Verma
HexagonOperards.td. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169148 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Add 'getInt64Field()' method to get the signed integer instead of unsigned.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169145 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03ASan: add blacklist file to ASan pass options. Clang patch for this will follow.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Fix PR12942: Allow two CUs to be generated from the same source file.Eli Bendersky
Thanks Eric for the review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169142 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Teach the jump threading optimization to stop scanning the basic block when ↵Nadav Rotem
calculating the cost after passing the threshold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Revert r169039, "Aggregate pass execution time report by pass ID instead of ↵Jakob Stoklund Olesen
pass instance." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169134 91177308-0d34-0410-b5e6-96231b3b80d8
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