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2010-04-16fix PR6832: we were using the alignment of a pointer when we Chris Lattner
wanted the alignment of the pointee. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101432 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16improve comments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101429 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16pull all the ConvertToScalarInfo code together into oneChris Lattner
place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101427 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16more refactoring: suck some stuff out of SRoA into Chris Lattner
ConvertToScalarInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16shift intrinsic operandGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15introduce a new ConvertToScalarInfo struct to simplify Chris Lattner
CanConvertToScalar/MergeInType. Eliminate a pointless LLVMContext argument to MergeInType. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Avoid sinking machine instructions into a loop.Jakob Stoklund Olesen
MachineLoopInfo is already available when MachineSinking runs, so the check is free. There is no test case because it would require a critical edge into a loop, and CodeGenPrepare splits those. This check is just to be extra careful. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101420 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, notJohnny Chen
am2offset. Modified the instruction table entry and added a new test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101415 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle ↵Evan Cheng
is doing the right thing and codegen looks correct for both Thumb and Thumb2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15tidy interface to isOnlyCopiedFromConstantGlobalChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101405 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15reapply r101364, which has been backed out in r101368Gabor Greif
with a fix rotate CallInst operands, i.e. move callee to the back of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix PR6847. RegScavenger should ignore DebugValues.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Make sure the initialization of a GC root is after its definition.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Revert r100896 and around - this breaks the only mingw32 buildbot we have.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101387 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15prune includesGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101385 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15ARM SelectDYN_ALLOC should emit a copy from SP rather than referencing SP ↵Evan Cheng
directly. In cases where there are two dyn_alloc in the same BB it would have caused the old SP value to be reused and badness ensues. rdar://7493908 llvm is generating poor code for dynamic alloca, I'll fix that later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15DEBUG() print out "Unknown format" msg.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15ReuseFrameIndexVals is used in multiple files, so it can't be static.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15EnablePPC64RS and EnablePPC32RS are used in multiple files, so theyDan Gohman
can't be static. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101377 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix a bunch of namespace polution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix namespace polution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Make getPredecessorWithUniqueSuccessorForBB return the unique successorDan Gohman
in addition to the predecessor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15typosGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101371 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15back out r101364, as it trips the linux nightlybot on some clang C++ testsGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15rotate CallInst operands, i.e. move callee to the backGabor Greif
of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15enhance the load/store narrowing optimization to handle aChris Lattner
tokenfactor in between the load/store. This allows us to optimize test7 into: _test7: ## @test7 ## BB#0: ## %entry movl (%rdx), %eax ## kill: SIL<def> ESI<kill> movb %sil, 5(%rdi) ret instead of: _test7: ## @test7 ## BB#0: ## %entry movl 4(%esp), %ecx movl $-65281, %eax ## imm = 0xFFFFFFFFFFFF00FF andl 4(%ecx), %eax movzbl 8(%esp), %edx shll $8, %edx addl %eax, %edx movl 12(%esp), %eax movl (%eax), %eax movl %edx, 4(%ecx) ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15teach codegen to turn trunc(zextload) into load when possible.Chris Lattner
This doesn't occur much at all, it only seems to formed in the case when the trunc optimization kicks in due to phase ordering. In that case it is saves a few bytes on x86-32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101350 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15add a simple dag combine to replace trivial shl+lshr withChris Lattner
and. This happens with the store->load narrowing stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Implement rdar://7860110 (also in target/readme.txt) narrowingChris Lattner
a load/or/and/store sequence into a narrower store when it is safe. Daniel tells me that clang will start producing this sort of thing with bitfields, and this does trigger a few dozen times on 176.gcc produced by llvm-gcc even now. This compiles code like CodeGen/X86/2009-05-28-DAGCombineCrash.ll into: movl %eax, 36(%rdi) instead of: movl $4294967295, %eax ## imm = 0xFFFFFFFF andq 32(%rdi), %rax shlq $32, %rcx addq %rax, %rcx movq %rcx, 32(%rdi) and each of the testcases into a single store. Each of them used to compile into craziness like this: _test4: movl $65535, %eax ## imm = 0xFFFF andl (%rdi), %eax shll $16, %esi addl %eax, %esi movl %esi, (%rdi) ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101343 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Add more const qualifiers for LLVM IR pointers in CodeGen.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101342 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix build.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101335 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Add const qualifiers to CodeGen's use of LLVM IR constructs.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Allow lowering for palignr instructions for mmx sized vectors. AddEric Christopher
patterns to handle the lowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101331 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15More 80 violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101330 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Wrap the error msgs in DEBUG() macro so that they won't appear in NDEBUG build.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101329 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-1580 col violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Add comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14There is no need to track compile unit offsets if there is only one compile ↵Devang Patel
unit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101315 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Remove dead code.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14IPO needs ScalarOpts and InstCombine in its libsTobias Grosser
The commit "Adding IPSCCP and Internalize passes to the C-bindings" introduced new dependencies for IPO. Add these to the CMAKE build as otherwise the BUILD_SHARED_LIBS=1 build fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101313 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Fixed another assert exposed by fuzzing. Now, the DisassembleVFPLdStMulFrm()Johnny Chen
function checks whether we have a valid submode for VLDM/VSTM (must be either "ia" or "db") before calling ARM_AM::getAM5Opc(AMSubMode, unsigned char). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101306 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Add -arm-long-calls option to force calls to be indirect. This makes theJim Grosbach
kernel linker happier when dealing with kexts. Radar 7805069 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101303 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Constify GetConstantStringInfo.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Don't use DILocation when processing a DebugLoc.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101294 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14For t2BFI disassembly, apply the same error checking as in r101205.Johnny Chen
Change the error msg to read "Encoding error: msb < lsb". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Move a bunch of methods from CallSite to CallSiteBase, so that they canDan Gohman
be used in ImmutableCallSite too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101292 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Fixed another assert exposed by fuzzing. The utility function getRegisterEnum()Johnny Chen
was asserting because the (RegClass, RegNum) combination doesn't make sense from an encoding point of view. Since getRegisterEnum() is used all over the place, to change the code to check for encoding error after each call would not only bloat the code, but also make it less readable. An Err flag is added to the ARMBasicMCBuilder where a client can set a non-zero value to indicate some kind of error condition while building up the MCInst. ARMBasicMCBuilder::BuildIt() checks this flag and returns false if a non-zero value is detected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101290 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14- Code clean up to reduce indentation.Evan Cheng
- TryToOptimizeStoreOfMallocToGlobal should check if TargetData is available and bail out if it is not. The transformations being done requires TD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Don't custom lower bit converts to ARM VMOVDRRD or VMOVDRR when the operandBob Wilson
does not have a legal type. The legalizer does not know how to handle those nodes. Radar 7854640. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Delete unneeeded arguments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101276 91177308-0d34-0410-b5e6-96231b3b80d8
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