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path: root/lib/CodeGen/MachineVerifier.cpp
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2010-11-17Only avoid the check if we're the last operand before the variableEric Christopher
operands in a variadic instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119446 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Make the verifier a little quieter on instructions that it's probablyEric Christopher
(and likely) wrong about anyhow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119320 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Be more precise about verifying missing kill flags.Jakob Stoklund Olesen
It is legal for an instruction to have two operands using the same register, only one a kill. This is interpreted as a kill. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Add kill flag verification.Jakob Stoklund Olesen
At least X86FloatingPoint requires correct kill flags after register allocation, and targets using register scavenging benefit. Conservative kill flags are not enough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117960 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Add basic LiveStacks verification.Jakob Stoklund Olesen
When an instruction refers to a spill slot with a LiveStacks entry, check that the spill slot is live at the instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Disable more of physical register live intervals verification.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Print out the connected components in the verifier after complaining about theirJakob Stoklund Olesen
multiplicity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117630 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28One day, physical register live ranges will be sensible.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117602 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Physical registers trivially have multiple connected components all the time.Jakob Stoklund Olesen
Only virtuals should be requires to be connected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26Verify that live intervals are connected. If there are multiple connectedJakob Stoklund Olesen
components, each should get its own virtual register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117407 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26Teach MachineBasicBlock::print() to annotate instructions and blocks withJakob Stoklund Olesen
SlotIndexes when available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26Remmeber to print full live interval on verification error.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117391 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-26Don't verify physical registers going into landing pads.Jakob Stoklund Olesen
Magic is happening that we don't understand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117370 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-23Verify LiveIntervals against the CFG, ensuring that live-in values are live-outJakob Stoklund Olesen
of all predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Add more verification of LiveIntervals.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21Permit landing pad successor blocks when verifying basic blocks that end in anJakob Stoklund Olesen
unconditional branch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117041 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Get rid of static constructors for pass registration. Instead, every pass ↵Owen Anderson
exposes an initializeMyPassFunction(), which must be called in the pass's constructor. This function uses static dependency declarations to recursively initialize the pass's dependencies. Clients that only create passes through the createFooPass() APIs will require no changes. Clients that want to use the CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h before parsing commandline arguments. I have tested this with all standard configurations of clang and llvm-gcc on Darwin. It is possible that there are problems with the static dependencies that will only be visible with non-standard options. If you encounter any crash in pass registration/creation, please send the testcase to me directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-07Now with fewer extraneous semicolons!Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Skip unused registers when verifying LiveIntervals.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115874 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-02Stop using LiveRange in MachineVerifier.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115408 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23Now that PassInfo and Pass::ID have been separated, move the rest of the ↵Owen Anderson
passes over to the new registration API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Correct header.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111540 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Add more verification of LiveIntervals.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110454 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Don't try to verify LiveIntervals for physical registers.Jakob Stoklund Olesen
When a physical register is in use, some alias of that register has a live interval with a relevant live range. That is the sad state of intervals after physreg coalescing of subregs, and it is good enough for correct register allocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110452 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Revert r110396 to fix buildbots.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Don't verify LiveVariables if LiveIntervals is available.Jakob Stoklund Olesen
LiveVariables becomes horribly wrong while the coalescer is running, but the analysis is not zapped until after the coalescer pass has run. This causes tons of false reports when calling verify form the coalescer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110402 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson
address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Add basic verification of LiveIntervals.Jakob Stoklund Olesen
We verify that the LiveInterval is live at uses and defs, and that all instructions have a SlotIndex. Stuff we don't check yet: - Is the LiveInterval minimal? - Do all defs correspond to instructions or phis? - Do all defs dominate all their live ranges? - Are all live ranges continually reachable from their def? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110386 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Remove double-def checking from MachineVerifier, so a register does not have toJakob Stoklund Olesen
be killed before being redefined. These checks are usually disabled, and usually fail when enabled. We de facto allow live registers to be redefined without a kill, the corresponding assertions in RegScavenger were removed long ago. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110362 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18Allow ARM if-converter to be run after post allocation scheduling.Evan Cheng
- This fixed a number of bugs in if-converter, tail merging, and post-allocation scheduler. If-converter now runs branch folding / tail merging first to maximize if-conversion opportunities. - Also changed the t2IT instruction slightly. It now defines the ITSTATE register which is read by instructions in the IT block. - Added Thumb2 specific hazard recognizer to ensure the scheduler doesn't change the instruction ordering in the IT block (since IT mask has been finalized). It also ensures no other instructions can be scheduled between instructions in the IT block. This is not yet enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106344 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-18Teach the machine code verifier to use getSubRegisterRegClass().Jakob Stoklund Olesen
The old approach was wrong. It had an off-by-one error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-14When verifying two-address instructions, check the following:Jakob Stoklund Olesen
- Kill is implicit when use and def registers are identical. - Only virtual registers can differ. Add a -verify-fast-regalloc to run the verifier before the fast allocator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103797 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
2010-04-13Eliminate MachineBasicBlock::const_livein_iterator and makeDan Gohman
MachineBasicBlock::livein_iterator a const_iterator, because clients shouldn't ever be using the iterator interface to mutate the livein set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07rename llvm::llvm_report_error -> llvm::report_fatal_errorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09move target-independent opcodes out of TargetInstrInfoChris Lattner
into TargetOpcodes.h. #include the new TargetOpcodes.h into MachineInstr. Add new inline accessors (like isPHI()) to MachineInstr, and start using them throughout the codebase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Remove livein checks from machine code verifier.Jakob Stoklund Olesen
A phi operand that is implicitly defined in a predecessor becomes an undefined register after phi elimination. This causes a lot of false positives when the verifier is checking if live-in registers are live-out from all predecessors. Removing the verifier checks seems like a better solution than insisting on IMPLICIT_DEF instructions in predecessor blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92769 91177308-0d34-0410-b5e6-96231b3b80d8
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
2009-12-05Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor ofDan Gohman
MachineBasicBlock::canFallThrough(), which is target-independent and more thorough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-20Add MachineBasicBlock::getName, and use it in place of getBasicBlock()->getName.Jakob Stoklund Olesen
Fix debug code that assumes getBasicBlock never returns NULL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89428 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18Allow the machine verifier to be run outside the PassManager.Jakob Stoklund Olesen
Verify LiveVariables information when present. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89241 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Add MachineFunction::verify() to call the machine code verifier directly.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88706 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Fix polarity of a CFG check in machine verifier.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88704 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-31Make -print-machineinstrs more readable.Dan Gohman
- Be consistent when referring to MachineBasicBlocks: BB#0. - Be consistent when referring to virtual registers: %reg1024. - Be consistent when referring to unknown physical registers: %physreg10. - Be consistent when referring to known physical registers: %RAX - Be consistent when referring to register 0: %reg0 - Be consistent when printing alignments: align=16 - Print jump table contents. - Don't print host addresses, in general. - and various other cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85682 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Remove includes of Support/Compiler.h that are no longer needed after theNick Lewycky
VISIBILITY_HIDDEN removal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.Nick Lewycky
Chris claims we should never have visibility_hidden inside any .cpp file but that's still not true even after this commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07Add a few simple MachineVerifier checks for MachineMemOperands.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83474 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-04Whitespace and formatting.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83285 91177308-0d34-0410-b5e6-96231b3b80d8
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