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2011-01-24Temporarily workaround JM/lencod miscompile (SIGSEGV).Andrew Trick
rdar://problem/8893967 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124137 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Give GetUnderlyingObject a TargetData, to keep it in syncDan Gohman
with BasicAA's DecomposeGEPExpression, which recently began using a TargetData. This fixes PR8968, though the testcase is awkward to reduce. Also, update several off GetUnderlyingObject's users which happen to have a TargetData handy to pass it in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124134 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24fix PR8928 by clearing a stale map, patch by Jakub Staszak!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124132 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Testcase for dragonegg commit 124128.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Handle strings in section names the same way as gas:Rafael Espindola
* If the name is a single string, we remove the quotes * If the name starts without a quote, we include any quotes in the name git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Add a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Add another rdar number.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24Support/CommandLine: Fix LookupNearestOption to also search extra option names.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124124 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24fix a missing shuffle pattern, PR9009. Patch by Artiom Myaskouvskey!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124102 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24merge all the "crash tests" into crash.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24fix PR9017, a bug where we'd assert when promoting in unreachableChris Lattner
code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24fix PR9015, a crash linking recursive metadata.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124099 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24this isn't a memset, we do convert dest[i] to one though :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24with recent work, we now optimize this into:Chris Lattner
define i32 @foo(i32 %x) nounwind readnone ssp { entry: %tobool = icmp eq i32 %x, 0 %tmp5 = select i1 %tobool, i32 2, i32 1 ret i32 %tmp5 } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124091 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24enhance SRoA to promote allocas that are used by PHI nodes. This oftenChris Lattner
occurs because instcombine sinks loads and inserts phis. This kicks in on such apps as 175.vpr, eon, 403.gcc, xalancbmk and a bunch of times in spec2006 in some app that uses std::deque. This resolves the last of rdar://7339113. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124090 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Enhance SRoA to promote allocas that are used by selects in someChris Lattner
common cases. This triggers a surprising number of times in SPEC2K6 because min/max idioms end up doing this. For example, code from the STL ends up looking like this to SRoA: %202 = load i64* %__old_size, align 8, !tbaa !3 %203 = load i64* %__old_size, align 8, !tbaa !3 %204 = load i64* %__n, align 8, !tbaa !3 %205 = icmp ult i64 %203, %204 %storemerge.i = select i1 %205, i64* %__n, i64* %__old_size %206 = load i64* %storemerge.i, align 8, !tbaa !3 We can now promote both the __n and the __old_size allocas. This addresses another chunk of rdar://7339113, poor codegen on stringswitch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23teach Value::isDereferenceablePointer that byval arguments are alwaysChris Lattner
dereferencable, noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Add a memset loop that LoopIdiomRecognize doesn't recognize.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124082 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Simplify some code with no functionality change. Make the test a lot moreNick Lewycky
robust against smarter optimizations, using the power of FileCheck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124081 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Initialize MCNoExecStack.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124079 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Add support for the --noexecstack option.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124077 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Null initialize a few variables flagged byTed Kremenek
clang's -Wuninitialized-experimental warning. While these don't look like real bugs, clang's -Wuninitialized-experimental analysis is stricter than GCC's, and these fixes have the benefit of being general nice cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124073 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Add support for lowercase variants.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Enhance SRoA to be more aggressive about scalarization of aggregate allocasChris Lattner
that have PHI or select uses of their element pointers. This can often happen when instcombine sinks two loads into a successor, inserting a phi or select. With this patch, we can scalarize the alloca, but the pinned elements are not yet promoted. This is still a win for large aggregates where only one element is used. This fixes rdar://8904039 and part of rdar://7339113 (poor codegen on stringswitch). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124070 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Convert two std::vectors to SmallVectors for a 3.4% speedup running -scalarreplCameron Zwarich
on test-suite + SPEC2000 & SPEC2006. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23have AllocaInfo store the alloca being inspected, simplifying callers.Chris Lattner
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Rearrange some code a bit. Change MarkUnsafe to Chris Lattner
handle the "Transformation preventing inst" printing, so that -scalarrepl -debug will always print the rejected instruction. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124066 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Convert a std::vector to a SmallVector for another 5.4% speedup on domtree.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23remove an old hack that avoided creating MMX datatypes. TheChris Lattner
X86 backend has been fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Use value ranges to fold ext(trunc) in SCEV when possible.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23In the simpler version of the link-eval data structure that we use in dominatorCameron Zwarich
computation, the Ancestor field is always set to the Parent, so we can remove the explicit link entirely and merge the Parent and Ancestor fields. Instead of checking for whether an ancestor exists for a node or not, we simply check whether the node has already been processed. This is simpler if Compress is inlined into Eval, so I did that as well. This is about a 3% speedup running -domtree on test-suite + SPEC2000 & SPEC2006, but it also opens up some opportunities for further improvement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124061 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Delay the creation of eh_frame so that the user can change the defaults.Rafael Espindola
Add support for SHT_X86_64_UNWIND. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Remove useless struct fields.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124058 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Remove friend declaration for removed function.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Remove more duplicated code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124056 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Convert a std::vector to a SmallVector.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124055 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Remove duplicated code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-23Simplify some code now that we've removed the more optimal (but slower) versionCameron Zwarich
of the link-eval data structure from dominator computation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Have SCEV turn sext(x) into zext(x) when x is s>= 0. This applies many times inNick Lewycky
"make check" alone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124046 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Add a FIXME explaining the move to a single indirect call bonus per functionEric Christopher
that we can change from indirect to direct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Only apply the devirtualization bonus once instead of per-call site in theEric Christopher
target function. Fixes part of rdar://8546196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124044 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Pass sret arguments through the stack instead of through registers in Sparc ↵Venkatraman Govindaraju
backend. It makes the code generated more compliant with the sparc32 ABI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124030 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Remove dead ivar.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22Added ICC, FCC as uses of movcc instruction to generate correct code when ↵Venkatraman Govindaraju
-mattr=v9 is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22ARM uses '.' in their tokens. Give it a name instead of a numeric value.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124026 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-22add DW_TAG for rvalue refs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124019 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-21Actually check memcpy lengths, instead of just commenting aboutDan Gohman
how they should be checked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123999 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-21Sparc backend: Venkatraman Govindaraju
Rename FLUSH to FLUSHW. Output "ta 3" instead of a "flushw" instruction if v8 instruction set is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-21Just because we have determined that an (fcmp | fcmp) is true for A < B,Owen Anderson
A == B, and A > B, does not mean we can fold it to true. We still need to check for A ? B (A unordered B). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123993 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-21Last round of fixes for movw + movt global address codegen.Evan Cheng
1. Fixed ARM pc adjustment. 2. Fixed dynamic-no-pic codegen 3. CSE of pc-relative load of global addresses. It's now enabled by default for Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123991 91177308-0d34-0410-b5e6-96231b3b80d8
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