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2013-02-08DAGCombiner: Constant folding around pre-increment loads/storesHal Finkel
Previously, even when a pre-increment load or store was generated, we often needed to keep a copy of the original base register for use with other offsets. If all of these offsets are constants (including the offset which was combined into the addressing mode), then this is clearly unnecessary. This change adjusts these other offsets to use the new incremented address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174746 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert 172027 and 174336. Remove diagnostics about over-aligned stack objects.Bob Wilson
Aside from the question of whether we report a warning or an error when we can't satisfy a requested stack object alignment, the current implementation of this is not good. We're not providing any source location in the diagnostics and the current warning is not connected to any warning group so you can't control it. We could improve the source location somewhat, but we can do a much better job if this check is implemented in the front-end, so let's do that instead. <rdar://problem/13127907> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174741 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Refine fix to bug 15041.Bill Schmidt
Thanks to help from Nadav and Hal, I have a more reasonable (and even correct!) approach. This specifically penalizes the insertelement and extractelement operations for the performance hit that will occur on PowerPC processors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08[SimplifyLibCalls] Library call simplification doen't work if the call site Chad Rosier
isn't using the default calling convention. However, if the transformation is from a call to inline IR, then the calling convention doesn't matter. rdar://13157990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174724 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08ARM cost model: Address computation in vector mem ops not freeArnold Schwaighofer
Adds a function to target transform info to query for the cost of address computation. The cost model analysis pass now also queries this interface. The code in LoopVectorize adds the cost of address computation as part of the memory instruction cost calculation. Only there, we know whether the instruction will be scalarized or not. Increase the penality for inserting in to D registers on swift. This becomes necessary because we now always assume that address computation has a cost and three is a closer value to the architecture. radar://13097204 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174713 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Update tests for DWARF parser: store sources next to pre-built object files ↵Alexey Samsonov
and provide build instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174711 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08When Mips16 frames grow large, the immediate field may exceed the maximumReed Kotler
allowed size for the instruction. This code uses RegScavenger to fix this. We sometimes need 2 registers for Mips16 so we must handle things differently than how register scavenger is normally used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174696 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Revert "Have InstCombine call SipmlifyCall when handling calls. Test case ↵Andrew Trick
included." This reverts commit 3854a5d90fee52af1065edbed34521fff6cdc18d. This causes a clang unit test to hang: vtable-available-externally.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Have InstCombine call SipmlifyCall when handling calls. Test case included.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174675 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[mips] Add definition of JALR instruction which has two register operands. ↵Akira Hatanaka
Change the original JALR instruction with one register operand to be a pseudo-instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174657 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Identify and simplify idempotent intrinsics. Test case included.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174650 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[Object][ELF] Fix crash on no dynamic section.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174639 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07ARM cost model: Add costs for vector selectsArnold Schwaighofer
Vector selects are cheap on NEON. They get lowered to a vbsl instruction. radar://13158753 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174631 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07R600: Add support for SET*_DX10 instructionsTom Stellard
These instructions compare two floating point values and return an integer true (-1) or false (0) value. When compiling code generated by the Mesa GLSL frontend, the SET*_DX10 instructions save us four instructions for most branch decisions that use floating-point comparisons. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174609 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07R600: Add tests for unsupported condition codes.Tom Stellard
All of the le and lt variants are unsupported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174608 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07R600: Fix assembly name for SETGT_INTTom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Remove this testcase until I can figure out how to properly conditionalize it.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174591 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Another attempt at getting the XFAIL line right for this test.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174588 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Make sure we call externals from libraries properly when -static.Reed Kotler
For example, when we are doing mips16 hard float or soft float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174583 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Enable jumps when in -static mode.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174580 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Preserve fast-math flags after reassociation and commutation. Update test casesMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174571 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07whitespaceMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174569 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Fix CMake detection of various cmath functions, and XFAIL the test on ↵Owen Anderson
platforms that are known to be missing them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174564 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Signficantly generalize our ability to constant fold floating point ↵Owen Anderson
intrinsics, including ones on half types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174555 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Fix typoEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174553 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add a comment to the test that points to the source from which the input objectEli Bendersky
file was generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174551 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add a test for checking the current .debug_frame dumping capability.Eli Bendersky
The test is a binary placed in test/DebugInfo/Inputs, with a source C file used for reference/reproducing. The source's first line is a clang build command for reproducing the binary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174543 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06This is a follow-up on r174446, now taking Atom processors intoEli Bendersky
account. Atoms use LEA for updating SP in prologs/epilogs, and the exact LEA opcode depends on the data model. Also reapplying the test case which was added and then reverted (because of Atom failures), this time specifying explicitly the CPU in addition to the triple. The test case now checks all variations (data mode, cpu Atom vs. Core). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174542 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Canonicalize line endings to Linux style also when the --strict-whitespace ↵Guy Benyei
flag is in use. This flag is supposed to affect horizontal whitespaces only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174541 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Implement external weak (ELF) symbols on AArch64Tim Northover
Weakly defined symbols should evaluate to 0 if they're undefined at link-time. This is impossible to do with the usual address generation patterns, so we should use a literal pool entry to materlialise the address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174518 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add AArch64 CRC32 instructionsTim Northover
These instructions are a late addition to the architecture, and may yet end up behind an optional attribute, but for now they're available at all times. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174496 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Add icache prefetch operations to AArch64Tim Northover
This adds hints to the various "prfm" instructions so that they can affect the instruction cache as well as the data cache. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174495 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Remove this test in the meantime, since it won't pass on Atom. Atom uses leaEli Bendersky
to move the stack pointer in prologs/epilogs. I will fix the test and add it back later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174484 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Attempt to recover gdb bot after r174445.Manman Ren
Failure: undefined symbol 'Lline_table_start0'. Root-cause: we use a symbol subtraction to calculate at_stmt_list, but the line table entries are not dumped in the assembly. Fix: use zero instead of a symbol subtraction for Compile Unit 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174479 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Test for r174446Eli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174464 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Dwarf: support for LTO where a single object file can have multiple line tablesManman Ren
We generate one line table for each compilation unit in the object file. Reviewed by Eric and Kevin. rdar://problem/13067005 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174445 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[mips] Do not use function CC_MipsN_VarArg unless the function being analyzedAkira Hatanaka
is a vararg function. The original code was examining flag OutputArg::IsFixed to determine whether CC_MipsN_VarArg or CC_MipsN should be called. This is not correct, since this flag is often set to false when the function being analyzed is a non-variadic function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174442 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05InstCombine: Fix and simplify the inttoptr side too.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174438 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Added missing newline to end of test case.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174433 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Reapply r174343, with a fix for a scary DAG combine bug where it failed to ↵Owen Anderson
differentiate between the alignment of the base point of a load, and the overall alignment of the load. This caused infinite loops in DAG combine with the original application of this patch. ORIGINAL COMMIT LOG: When the target-independent DAGCombiner inferred a higher alignment for a load, it would replace the load with one with the higher alignment. However, it did not place the new load in the worklist, which prevented later DAG combines in the same phase (for example, target-specific combines) from ever seeing it. This patch corrects that oversight, and updates some tests whose output changed due to slightly different DAGCombine outputs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174431 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05InstCombine: Harden code to work with vectors of pointers and simplify it a bit.Benjamin Kramer
Found by running instcombine on a fabricated test case for the constant folder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174430 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Hexagon: Use TFR_cond with cmpb.[eq,gt,gtu] to handleJyotsna Verma
zext( set[ne,eq,gt,ugt] (...) ) type of dag patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174429 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05ConstantFolding: Fix a crash when encoutering a truncating inttoptr.Benjamin Kramer
This was introduced in r173293. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Hexagon: Add testcase for post-increment store instructions.Jyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174419 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[SjLj Prepare] When demoting an invoke instructions to the stack, if the normalChad Rosier
edge is critical, then split it so we can insert the store. rdar://13126179 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174418 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Hexagon: Use multiclass for absolute addressing mode stores.Jyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174412 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Add a test case for PR14750.Jakob Stoklund Olesen
This was fixed by r174402. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174405 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[MC] Bundle alignment: Invalidate relaxed fragmentsDerek Schuff
Currently, when a fragment is relaxed, its size is modified, but its offset is not (it gets laid out as a side effect of checking whether it needs relaxation), then all subsequent fragments are invalidated because their offsets need to change. When bundling is enabled, relaxed fragments need to get laid out again, because the increase in size may push it over a bundle boundary. So instead of only invalidating subsequent fragments, also invalidate the fragment that gets relaxed, which causes it to get laid out again. This patch also fixes some trailing whitespace and fixes the bundling-related debug output of MCFragments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174401 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05R600: Add tests for instruction predicatesTom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174393 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05R600: Emit function name in the AsmPrinterTom Stellard
Emitting the function name allows us to check for it in the FileCheck tests so we can make sure FileCheck is checking the output of the correct function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174392 91177308-0d34-0410-b5e6-96231b3b80d8
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