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2012-02-25Remove spurious emacs mode marker.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Revert r151278, breaks static linking.Hal Finkel
Reverting this because it breaks static linking on ppc64. Specifically, it may be linkonce_odr functions that are the problem. With this patch, if you link statically, calls to some functions end up calling their descriptor addresses instead of calling to their entry points. This causes the execution to fail with SIGILL (b/c the descriptor address just has some pointers, not code). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Target/X86: Fix assertion failures and warnings caused by r151382 _ftol2 ↵NAKAMURA Takumi
lowering for i386-*-win32 targets. Patch by Joe Groff. [Joe Groff] Hi everyone. My previous patch applied as r151382 had a few problems: Clang raised a warning, and X86 LowerOperation would assert out for fptoui f64 to i32 because it improperly lowered to an illegal BUILD_PAIR. Here's a patch that addresses these issues. Let me know if any other changes are necessary. Thanks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151432 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Add comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Add support for disabling llvm.lifetime intrinsics in the AlwaysInliner. TheseChad Rosier
are optimization hints, but at -O0 we're not optimizing. This becomes a problem when the alwaysinline attribute is abused. rdar://10921594 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151429 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Make the peephole optimizer clear kill flags on a vreg if it's about to add newLang Hames
uses of the vreg, since the old kills may no longer be valid. This was causing -verify-machineinstrs to complain about uses after kills, and could potentially have been causing subtle register allocation issues, but I haven't come across a test case yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151425 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Fix indentation.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Grammar-o.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151418 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Fixed typo.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151417 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Add definitions of floating point multiply add/sub and negative multiplyAkira Hatanaka
add/sub instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151415 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Add an option to use a virtual register as the global base register instead ofAkira Hatanaka
reserving a physical register ($gp or $28) for that purpose. This will completely eliminate loads that restore the value of $gp after every function call, if the register allocator assigns a callee-saved register, or eliminate unnecessary loads if it assigns a temporary register. example: .cpload $25 // set $gp. ... .cprestore 16 // store $gp to stack slot 16($sp). ... jalr $25 // function call. clobbers $gp. lw $gp, 16($sp) // not emitted if callee-saved reg is chosen. ... lw $2, 4($gp) ... jalr $25 // function call. lw $gp, 16($sp) // not emitted if $gp is not live after this instruction. ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Remove unused cl::opt, make another opt static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151398 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Add missing staticJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Fix undefined behavior.Ahmed Charles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151385 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Thumb2 asm aliases for wide bitwise w/ immediate instructions.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151384 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24fix PR12075, a regression in a recent transform I added. In unreachable ↵Chris Lattner
code, gep chains can be infinite. Just like "stripPointerCasts", use a set to keep track of visited instructions so we don't recurse infinitely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151383 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Add WIN_FTOL_* psudo-instructions to model the unique calling conventionMichael J. Spencer
used by the Win32 _ftol2 runtime function. Patch by Joe Groff! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151382 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Add a -stress-regalloc=<N> option.Jakob Stoklund Olesen
This will limit all register classes to N registers in order to stress test register allocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151379 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24X11/X2 loads around indirect calls on ppc64 should not be deleted.Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Don't crash when a glue node contains an internal CopyToRegHal Finkel
This is necessary to support the existing ppc lowering code for indirect calls. Fixes PR12071. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151373 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Teach GVN that x+y is the same as y+x and that x<y is the same as y>x.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24SDAGBuilder: Remove register sets that were never read and prune dead code ↵Benjamin Kramer
surrounding it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24test commit. removing unnecessary whitespace.Kristof Beyls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24test/CodeGen/X86/2012-02-23-mmx-inlineasm.ll: Fixup to add -march=x86.NAKAMURA Takumi
-mcpu does not choose arch automatically, on non-x86 hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Remove dead code.Richard Osborne
Patch by Ahmed Charles git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Workaround a miscompilation by gcc-4.3 that showed up as a failureDuncan Sands
of the StringRef.Split2 unittest on 32 bit machines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151358 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24ScheduleDAGInstrs.h:155: warning: suggest parentheses around `&&' within `||'.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151355 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24PostRA sched: speed up physreg tracking by not abusing SparseSet.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24ARM Thumb symbol references in assembly need the low bit set.Jim Grosbach
Add support for a missed case when the symbols in a difference expression are in the same section but not the same fragment. rdar://10924681 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Turn avx insert intrinsic calls into INSERT_SUBVECTOR DAG nodes and remove ↵Pete Cooper
duplicate patterns for selecting the intrinsics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24comment fixJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24some comment fixJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24comment fixJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24replace a balnk with -Jia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151337 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24If the Address of a variable is an argument then treat the entireEric Christopher
variable declaration as an argument because we want that address anyhow for our debug information. This seems to fix rdar://9965111, at least we have more debug information than before and from reading the assembly it appears to be the correct location. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151335 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Tabs, formatting and long lines oh my!Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-2480 columns of Mips InstPrinter MakefileJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151332 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Switch ARM target to register masks.Jakob Stoklund Olesen
I'll let the buildbots determine the compile time improvements from this change, but 464.h264ref has 5% faster codegen at -O2. This patch does cause some assembly changes. Branch folding can make different decisions about calls with dead return values. CriticalAntiDepBreaker may choose different registers because its liveness tracking is affected. MachineCopyPropagation may sometimes leave a dead copy behind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Make sure the regs are low regs for tMUL size reduction.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Thumb2 size reduction fix for tied operands of tMUL.Jim Grosbach
The tied source operand of tMUL is the second source operand, not the first like every other two-address thumb instruction. Special case it in the size reduction pass to make sure we create the tMUL instruction properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24EE/Interpreter/ExternalFunctions.cpp: Staticize lle_X_() entries. They can ↵NAKAMURA Takumi
be mapped in FuncNames[] at the initialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24EE/Interpreter/ExternalFunctions.cpp: Prune "C" linkage to suppress warnings ↵NAKAMURA Takumi
with -Wreturn-type (and MSC's w4190). In historical reason, Interpreter's external entries had prefix "lle_X_" as C linkage, even for well-known entries in EE/Interpreter. Now, at least on ToT, they are resolved via FuncNames[] mapper. We will not need their symbols are expected to be exported any more. Clang r150128 has introduced the warning <"%0 has C-linkage specified, but returns user-defined type %1 which is incompatible with C">. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24When emitting a cmp with 0 for a lowered select, mask out the highDan Gohman
bits of the value carying the boolean condition, as their contents are undefined. This fixes rdar://10887484. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Release not for ARM integrated assembler support.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Allow an integer to be converted into an MMX type when it's used in an inlineBill Wendling
asm. <rdar://problem/10106006> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151303 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Typo.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Emit global ctors into .CRT$XCU instead of .ctors on Win32. Patch by Joe Groff!Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23The LLVM Getting Started documentation is out of date. It would be nice ifChad Rosier
someone could update this, but for now at least reference the Clang Getting Started document, which is much more current. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Bump SmallString to the minimum required amount for raw_ostream to avoid ↵Benjamin Kramer
allocation. It's is a bit annoying, we should hide this implementation detail better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Replace a DenseSet with SmallPtrSet.Benjamin Kramer
SmallSet of pointer is the same as SmallPtrSet, use the latter directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151281 91177308-0d34-0410-b5e6-96231b3b80d8
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