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2009-12-22Remove minimal CFG sanity checks from verifier.Jakob Stoklund Olesen
These checks would often trigger on unreachable statements inserted by bugpoint, leading it astray. It would be nice if we could distinguish unreachable blocks from errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Allow explicit %reg0 operands beyond what the .td file describes.Jakob Stoklund Olesen
ARM uses these to indicate predicates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Allow 0 as an order number. Don't assign an order to formal arguments.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Fixes to the X86 disassembler:Sean Callanan
Made LEA memory operands emit only 4 MCInst operands. Made the scale operand equal 1 for instructions that have no SIB byte. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91919 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Restore snprintf weirdness for VCPP onlyAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Fix the Convert to scalar to not insert dead loads in the store case. TheChris Lattner
load is needed when we have a small store into a large alloca (at which point we get a load/insert/store sequence), but when you do a full-sized store, this load ends up being dead. This dead load is bad in really large nasty testcases where the load ends up causing mem2reg to insert large chains of dependent phi nodes which only ADCE can delete. Instead of doing this, just don't insert the dead load. This fixes rdar://6864035 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91917 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22fix some fixme's by using twinesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91916 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Use proper move instructions. Make the verifier happy.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91914 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Report an error for bad inline assembly, where the value passed for anBob Wilson
"indirect" operand is not a pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Remove target attribute break-sse-dep. Instead, do not fold load into sse ↵Evan Cheng
partial update instructions unless optimizing for size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91910 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Include based on the current path, since we already -I the X86 target's ↵Douglas Gregor
path. Fixes CMake build git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22While converting one of the operands to a memory operand, we need to check ↵Sanjiv Gupta
if it is Legal and does not result into a cyclic dep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22specify what is invalid about itChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22specify a triple to use, fixing the test on non-x86-64 hosts.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91900 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22reject invalid input with a caret, e.g.:Chris Lattner
simple-tests.txt:16:1: error: invalid instruction 0xff 0xff ^ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Generalize SROA to allow the first index of a GEP to be non-zero. Add aBob Wilson
missing check that an array reference doesn't go past the end of the array, and remove some redundant checks for in-bound array and vector references that are no longer needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22various cleanups, make the disassemble reject lines with too muchChris Lattner
data on them, for example: addb %al, (%rax) simple-tests.txt:11:5: error: excess data detected in input 0 0 0 0 0 ^ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91896 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22If you thought that it didn't make sense for the disassemblerChris Lattner
to not produce caret diagnostics, you were right! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22rewrite the file parser for the disassembler, implementing support forChris Lattner
comments. Also, check in a simple testcase for the disassembler, including a test for r91864 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22don't crash on blank lines, rename some variables.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Implement PR5795 by merging duplicated return blocks. This could go furtherChris Lattner
by merging all returns in a function into a single one, but simplifycfg currently likes to duplicate the return (an unfortunate choice!) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91890 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22convert to filecheckChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22don't run GVN at -O1, GCC doesn't do it's equivalent at that optimization level.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91886 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22The phi translated pointer can be computed when returning a partially cached ↵Chris Lattner
result instead of stored. This reduces memdep memory usage, and also eliminates a bunch of weakvh's. This speeds up gvn on gcc.c-torture/20001226-1.c from 23.9s to 8.45s (2.8x) on a different machine than earlier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91885 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Add more plumbing. This time in the LowerArguments and "get" functions whichBill Wendling
return partial registers. This affected the back-end lowering code some. Also patch up some places I missed before in the "get" functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Changed REG_* to MODRM_REG_* to avoid conflictsSean Callanan
with symbols in AuroraUX's global namespace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91879 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Fix some may-be-uninitialized var warnings.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22fix unit test that I broke.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Add SDNode ordering to inlined asm and VA functions.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91876 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Whitespace fixes.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91875 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22types don't need atomic inc/dec, they are local to an llvmcontext.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Adding more assignment of ordering to SDNodes. This time in the "call" andBill Wendling
generic copy functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Fixed library dependencies between the X86 disassembler andSean Callanan
X86 codegen that were causing circular symbol dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91871 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22avoid calling extractMallocCall when it's obvious we don't haveChris Lattner
a call. This speeds up memdep ~1.5% git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22comment fix: weakvh -> tracking vhChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91867 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Add ordering of SDNodes to LowerCallTo.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22print pcrel immediates as signed values instead of unsigned so that weChris Lattner
get things like this out of the disassembler: 0x100000ecb: callq -96 instead of: 0x100000ecb: callq 4294967200 rdar://7491123 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Now add ordering to SDNodes created by the massive intrinsic lowering function.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22To make things interesting, I added MORE code to set the ordering ofBill Wendling
SDNodes. This time in the load/store and limited-precision code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91860 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint.Lang Hames
This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Add more plumbing to assign ordering to SDNodes. Have the "getValue" methodBill Wendling
assign the ordering when called. Combine some of the ordering assignments to keep things simple. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Add suggested parentheses.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91853 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Add a fastpath to Load GVN to special case when we have exactly one dominatingChris Lattner
load to avoid even messing around with SSAUpdate at all. In this case (which is very common, we can just use the input value directly). This speeds up GVN time on gcc.c-torture/20001226-1.c from 36.4s to 16.3s, which still isn't great, but substantially better and this is a simple speedup that applies to lots of different cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21More ordering plumbing. This time for GEP. I need to remember to assignBill Wendling
orderings to values returned by getValue(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21refactor some code out to a new helper method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21improve indentation avoid a pointless conversion from weakvh to trackingvh,Chris Lattner
no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Another incremental check-in for assigning ordering to SDNodes. This time forBill Wendling
shuffle and insert vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91847 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Assign ordering to more instructions. Incremental check-in.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21- Add a bit more plumbing assigning an order to SDNodes.Bill Wendling
- Modify the "dump" method to emit the order of an SDNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Fix a bug in !subst where TableGen would go and resubstitute text it hadDavid Greene
just substituted. This could cause infinite looping in certain pathological cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91843 91177308-0d34-0410-b5e6-96231b3b80d8
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