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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 a 'getCount' method to get the number of elements in the subrange.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169215 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
2012-12-04docs: Fix broken link.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04docs: Fix dead link.Sean Silva
Apparently Dinkumware are no longer hosting their nice reference manuals. Thankfully, `cppreference.com` can fill that role well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169210 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
2012-12-04docs: Convert ProgrammersManual to reST.Sean Silva
Patch by Alexander Zinenko! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169208 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
2012-12-03Add a getMemorySize() function for DenseSet.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169163 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
2012-12-03Eliminate redundant bitwise operations when using a llvm/ADT/PointerUnion.Argyrios Kyrtzidis
For comparison, with this code sample: PointerUnion<int *, char *> Data; PointerUnion<int *, char *> foo1() { Data = new int; return new int; } PointerUnion<int *, char *> foo2() { Data = new char; return new char; } Before this patch we would get: define i64 @_Z4foo1v() uwtable ssp { %1 = tail call noalias i8* @_Znwm(i64 4) %2 = ptrtoint i8* %1 to i64 %3 = load i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %4 = and i64 %3, 1 %.masked.i = and i64 %2, -3 %5 = or i64 %4, %.masked.i store i64 %5, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %6 = tail call noalias i8* @_Znwm(i64 4) %7 = ptrtoint i8* %6 to i64 %8 = and i64 %7, -3 ret i64 %8 } define i64 @_Z4foo2v() uwtable ssp { %1 = tail call noalias i8* @_Znwm(i64 1) %2 = ptrtoint i8* %1 to i64 %3 = load i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %4 = and i64 %3, 1 %5 = or i64 %2, %4 %6 = or i64 %5, 2 store i64 %6, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %7 = tail call noalias i8* @_Znwm(i64 1) %8 = ptrtoint i8* %7 to i64 %9 = or i64 %8, 2 ret i64 %9 } After the patch: define i64 @_Z4foo1v() uwtable ssp { %1 = tail call noalias i8* @_Znwm(i64 4) %2 = ptrtoint i8* %1 to i64 store i64 %2, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %3 = tail call noalias i8* @_Znwm(i64 4) %4 = ptrtoint i8* %3 to i64 ret i64 %4 } declare noalias i8* @_Znwm(i64) define i64 @_Z4foo2v() uwtable ssp { %1 = tail call noalias i8* @_Znwm(i64 1) %2 = ptrtoint i8* %1 to i64 %3 = or i64 %2, 2 store i64 %3, i64* getelementptr inbounds (%"class.llvm::PointerUnion"* @Data, i64 0, i32 0, i32 0), align 8 %4 = tail call noalias i8* @_Znwm(i64 1) %5 = ptrtoint i8* %4 to i64 %6 = or i64 %5, 2 ret i64 %6 } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Simplify this test a bit because DWARF emission/dumping on some platformsEli Bendersky
is not yet good enough for more sophistication. The important goal of this test is to make sure llc doesn't crash on this IR like it used to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169146 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
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