[llvm] r279573 - MachineFunction: Introduce NoPHIs property

Vitaly Buka via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 24 10:50:38 PDT 2016


Reverted by r279643

On Wed, Aug 24, 2016 at 8:18 AM Bill Seurer <seurer at linux.vnet.ibm.com>
wrote:

> I tried this by hand.  r279571 works fine and with r279572:
>
> FAIL: UBSan-MSan-powerpc64le :: TestCases/TypeCheck/vptr.cpp (95 of 144)
> ******************** TEST 'UBSan-MSan-powerpc64le ::
> TestCases/TypeCheck/vptr.cpp' FAILED ********************
> Script:
> --
> /home/seurer/llvm/build/llvm-test/./bin/clang --driver-mode=g++
> -fsanitize=memory -m64 -frtti -fsanitize=vptr -fno-sanitize-recover=vptr
> -g
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> -O3 -o
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> rT &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mT &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fT &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cT
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> rU &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mU &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fU &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cU
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> rS &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> rV &&
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> oV
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mS 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-MEMBER --check-prefix=CHECK-Linux-MEMBER
> --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fS 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-MEMFUN --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cS 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-DOWNCAST --check-prefix=CHECK-Linux-DOWNCAST
> --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mV 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-MEMBER --check-prefix=CHECK-Linux-MEMBER
> --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fV 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-MEMFUN --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cV 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-DOWNCAST --check-prefix=CHECK-Linux-DOWNCAST
> --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> oU 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-OFFSET --check-prefix=CHECK-Linux-OFFSET
> --strict-whitespace
> env UBSAN_OPTIONS=print_stacktrace=1 not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> m0 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-NULL-MEMBER --check-prefix=CHECK-Linux-NULL-MEMBER
> --strict-whitespace
> (echo "vptr_check:S"; echo "vptr_check:T"; echo "vptr_check:U") >
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mS
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fS
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cS
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> mV
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> fV
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> cV
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.supp"'
>
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> oU
> echo "vptr_check:S" >
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.loc-supp
> env
>
> UBSAN_OPTIONS=suppressions='"/home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp.loc-supp"'
> not
>
> /home/seurer/llvm/build/llvm-test/projects/compiler-rt/test/ubsan/MemorySanitizer-powerpc64le/TestCases/TypeCheck/Output/vptr.cpp.tmp
> x- 2>&1 | FileCheck
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp
> --check-prefix=CHECK-LOC-SUPPRESS
> --
> Exit Code: 1
>
> Command Output (stderr):
> --
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:46:12:
> warning: direct base 'S' is inaccessible due to ambiguity:
>      struct U -> struct S
>      struct U -> struct T -> struct S [-Winaccessible-base]
> struct U : S, T { virtual int v() { return 2; } };
>             ^
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:93:9:
> warning: 'reinterpret_cast' from class 'U *' to its base at non-zero
> offset 'T *' behaves differently from 'static_cast'
> [-Wreinterpret-base-class]
>      p = reinterpret_cast<T*>(new U);
>          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:93:9:
> note: use 'static_cast' to adjust the pointer correctly while upcasting
>      p = reinterpret_cast<T*>(new U);
>          ^~~~~~~~~~~~~~~~
>          static_cast
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:153:12:
> warning: 'reinterpret_cast' to class 'U *' from its base at non-zero
> offset 'T *' behaves differently from 'static_cast'
> [-Wreinterpret-base-class]
>      return reinterpret_cast<U*>(p)->v() - 2;
>             ^~~~~~~~~~~~~~~~~~~~~~~
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:153:12:
> note: use 'static_cast' to adjust the pointer correctly while downcasting
>      return reinterpret_cast<U*>(p)->v() - 2;
>             ^~~~~~~~~~~~~~~~
>             static_cast
> 3 warnings generated.
> Test case: rT
> Test case: mT
> Test case: fT
> Test case: cT
> Test case: rU
> Test case: mU
> Test case: fU
> Test case: cU
> Test case: rS
> Test case: rV
> Test case: oV
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:124:27:
> error: expected string not found in input
>      // CHECK-MEMBER-NEXT: {{^ .. .. .. ..  .. .. .. .. .. .. .. ..  }}
>                            ^
> <stdin>:4:1: note: scanning from here
> <memory cannot be printed>
> ^
> <stdin>:5:10: note: possible intended match here
>      #0 0x26d6ca38 in access_p(T*, char)
>
> /home/seurer/llvm/llvm-test/projects/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr.cpp:128:15
>           ^
>
> --
>
> ********************
>
> . . .
>
> ********************
> Failing Tests (1):
>      UBSan-MSan-powerpc64le :: TestCases/TypeCheck/vptr.cpp
>
>    Expected Passes    : 135
>    Expected Failures  : 1
>    Unsupported Tests  : 7
>    Unexpected Failures: 1
>
>
> Note that it is a known issue that the bots do not handle compiler_rt
> changes very well.
>
> On 08/23/16 19:18, Vitaly Buka via llvm-commits wrote:
> > For some reasons the bot does not report compiler-rt changes, and the
> > build had something very relevant:
> > http://llvm.org/viewvc/llvm-project?revision=279572&view=revision
> >
> > On Tue, Aug 23, 2016 at 4:19 PM Vitaly Buka <vitalybuka at google.com
> > <mailto:vitalybuka at google.com>> wrote:
> >
> >     I have no hardware. I will try to build different revisions on the
> >     bot to localize issue.
> >
> >     On Tue, Aug 23, 2016 at 4:08 PM Matthias Braun <matze at braunis.de
> >     <mailto:matze at braunis.de>> wrote:
> >
> >         I don't see a connection between the changes and the error
> >         symptom... Do you have the possibility to revert just this patch
> >         to verify?
> >
> >>         On Aug 23, 2016, at 3:13 PM, Vitaly Buka
> >>         <vitalybuka at google.com <mailto:vitalybuka at google.com>> wrote:
> >>
> >>         This
> >>         patch?
> http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/9417/steps/ninja%20check%201/logs/stdio
> >>
> >>         On Tue, Aug 23, 2016 at 2:27 PM Matthias Braun via
> >>         llvm-commits <llvm-commits at lists.llvm.org
> >>         <mailto:llvm-commits at lists.llvm.org>> wrote:
> >>
> >>             Author: matze
> >>             Date: Tue Aug 23 16:19:49 2016
> >>             New Revision: 279573
> >>
> >>             URL:
> http://llvm.org/viewvc/llvm-project?rev=279573&view=rev
> >>             Log:
> >>             MachineFunction: Introduce NoPHIs property
> >>
> >>             I want to compute the SSA property of .mir files
> >>             automatically in
> >>             upcoming patches. The problem with this is that some
> >>             inputs will be
> >>             reported as static single assignment with some passes
> >>             claiming not to
> >>             support SSA form.  In reality though those passes do not
> >>             support PHI
> >>             instructions => Track the presence of PHI instructions
> >>             separate from the
> >>             SSA property.
> >>
> >>             Differential Revision: https://reviews.llvm.org/D22719
> >>
> >>             Modified:
> >>                 llvm/trunk/include/llvm/CodeGen/MachineFunction.h
> >>                 llvm/trunk/lib/CodeGen/MIRParser/MIRParser.cpp
> >>                 llvm/trunk/lib/CodeGen/MachineFunction.cpp
> >>                 llvm/trunk/lib/CodeGen/MachineVerifier.cpp
> >>                 llvm/trunk/lib/CodeGen/PHIElimination.cpp
> >>                 llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
> >>                 llvm/trunk/lib/CodeGen/RegAllocFast.cpp
> >>                 llvm/trunk/lib/CodeGen/RegAllocGreedy.cpp
> >>                 llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp
> >>                 llvm/trunk/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
> >>
> >>             Modified: llvm/trunk/include/llvm/CodeGen/MachineFunction.h
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineFunction.h?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/include/llvm/CodeGen/MachineFunction.h
> >>             (original)
> >>             +++ llvm/trunk/include/llvm/CodeGen/MachineFunction.h Tue
> >>             Aug 23 16:19:49 2016
> >>             @@ -92,6 +92,7 @@ public:
> >>                // Property descriptions:
> >>                // IsSSA: True when the machine function is in SSA form
> >>             and virtual registers
> >>                //  have a single def.
> >>             +  // NoPHIs: The machine function does not contain any
> >>             PHI instruction.
> >>                // TracksLiveness: True when tracking register liveness
> >>             accurately.
> >>                //  While this property is set, register liveness
> >>             information in basic block
> >>                //  live-in lists and machine instruction operands
> >>             (e.g. kill flags, implicit
> >>             @@ -117,6 +118,7 @@ public:
> >>                //  all sizes attached to them have been eliminated.
> >>                enum class Property : unsigned {
> >>                  IsSSA,
> >>             +    NoPHIs,
> >>                  TracksLiveness,
> >>                  AllVRegsAllocated,
> >>                  Legalized,
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/MIRParser/MIRParser.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIRParser/MIRParser.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/MIRParser/MIRParser.cpp
> (original)
> >>             +++ llvm/trunk/lib/CodeGen/MIRParser/MIRParser.cpp Tue Aug
> >>             23 16:19:49 2016
> >>             @@ -160,6 +160,8 @@ private:
> >>                ///
> >>                /// Return null if the name isn't a register bank.
> >>                const RegisterBank *getRegBank(const MachineFunction
> >>             &MF, StringRef Name);
> >>             +
> >>             +  void computeFunctionProperties(MachineFunction &MF);
> >>              };
> >>
> >>              } // end namespace llvm
> >>             @@ -279,6 +281,19 @@ void
> MIRParserImpl::createDummyFunction(
> >>                new UnreachableInst(Context, BB);
> >>              }
> >>
> >>             +static bool hasPHI(const MachineFunction &MF) {
> >>             +  for (const MachineBasicBlock &MBB : MF)
> >>             +    for (const MachineInstr &MI : MBB)
> >>             +      if (MI.isPHI())
> >>             +        return true;
> >>             +  return false;
> >>             +}
> >>             +
> >>             +void
> >>             MIRParserImpl::computeFunctionProperties(MachineFunction
> >>             &MF) {
> >>             +  if (!hasPHI(MF))
> >>             +
> >>
>  MF.getProperties().set(MachineFunctionProperties::Property::NoPHIs);
> >>             +}
> >>             +
> >>              bool
> >>             MIRParserImpl::initializeMachineFunction(MachineFunction
> >>             &MF) {
> >>                auto It = Functions.find(MF.getName());
> >>                if (It == Functions.end())
> >>             @@ -353,6 +368,9 @@ bool MIRParserImpl::initializeMachineFun
> >>                PFS.SM <http://pfs.sm/> = &SM;
> >>
> >>                inferRegisterInfo(PFS, YamlMF);
> >>             +
> >>             +  computeFunctionProperties(MF);
> >>             +
> >>                // FIXME: This is a temporary workaround until the
> >>             reserved registers can be
> >>                // serialized.
> >>                MF.getRegInfo().freezeReservedRegs(MF);
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/MachineFunction.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineFunction.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/MachineFunction.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/MachineFunction.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -60,6 +60,7 @@ static const char *getPropertyName(Machi
> >>                case P::AllVRegsAllocated: return "AllVRegsAllocated";
> >>                case P::IsSSA: return "IsSSA";
> >>                case P::Legalized: return "Legalized";
> >>             +  case P::NoPHIs: return "NoPHIs";
> >>                case P::RegBankSelected: return "RegBankSelected";
> >>                case P::Selected: return "Selected";
> >>                case P::TracksLiveness: return "TracksLiveness";
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineVerifier.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -858,6 +858,10 @@ void
> MachineVerifier::visitMachineInstrB
> >>                      << MI->getNumOperands() << " given.\n";
> >>                }
> >>
> >>             +  if (MI->isPHI() && MF->getProperties().hasProperty(
> >>             +          MachineFunctionProperties::Property::NoPHIs))
> >>             +    report("Found PHI instruction with NoPHIs property
> >>             set", MI);
> >>             +
> >>                // Check the tied operands.
> >>                if (MI->isInlineAsm())
> >>                  verifyInlineAsm(MI);
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/PHIElimination.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PHIElimination.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/PHIElimination.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/PHIElimination.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -175,6 +175,8 @@ bool PHIElimination::runOnMachineFunctio
> >>                ImpDefs.clear();
> >>                VRegPHIUseCount.clear();
> >>
> >>             +
> >>
>  MF.getProperties().set(MachineFunctionProperties::Property::NoPHIs);
> >>             +
> >>                return Changed;
> >>              }
> >>
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocBasic.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/RegAllocBasic.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/RegAllocBasic.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -105,6 +105,11 @@ public:
> >>                /// Perform register allocation.
> >>                bool runOnMachineFunction(MachineFunction &mf) override;
> >>
> >>             +  MachineFunctionProperties getRequiredProperties() const
> >>             override {
> >>             +    return MachineFunctionProperties().set(
> >>             +        MachineFunctionProperties::Property::NoPHIs);
> >>             +  }
> >>             +
> >>                // Helper for spilling all live virtual registers
> >>             currently unified under preg
> >>                // that interfere with the most recently queried lvr.
> >>             Return true if spilling
> >>                // was successful, and append any new spilled/split
> >>             intervals to splitLVRs.
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/RegAllocFast.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocFast.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/RegAllocFast.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/RegAllocFast.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -158,6 +158,11 @@ namespace {
> >>                    MachineFunctionPass::getAnalysisUsage(AU);
> >>                  }
> >>
> >>             +    MachineFunctionProperties getRequiredProperties()
> >>             const override {
> >>             +      return MachineFunctionProperties().set(
> >>             +          MachineFunctionProperties::Property::NoPHIs);
> >>             +    }
> >>             +
> >>                  MachineFunctionProperties getSetProperties() const
> >>             override {
> >>                    return MachineFunctionProperties().set(
> >>
> >>              MachineFunctionProperties::Property::AllVRegsAllocated);
> >>             @@ -1093,8 +1098,6 @@ bool
> RAFast::runOnMachineFunction(Machin
> >>                UsedInInstr.clear();
> >>                UsedInInstr.setUniverse(TRI->getNumRegUnits());
> >>
> >>             -  assert(!MRI->isSSA() && "regalloc requires leaving SSA");
> >>             -
> >>                // initialize the virtual->physical register map to
> >>             have a 'null'
> >>                // mapping for all virtual registers
> >>                StackSlotForVirtReg.resize(MRI->getNumVirtRegs());
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/RegAllocGreedy.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocGreedy.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/RegAllocGreedy.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/RegAllocGreedy.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -334,6 +334,11 @@ public:
> >>                /// Perform register allocation.
> >>                bool runOnMachineFunction(MachineFunction &mf) override;
> >>
> >>             +  MachineFunctionProperties getRequiredProperties() const
> >>             override {
> >>             +    return MachineFunctionProperties().set(
> >>             +        MachineFunctionProperties::Property::NoPHIs);
> >>             +  }
> >>             +
> >>                static char ID;
> >>
> >>              private:
> >>
> >>             Modified: llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp (original)
> >>             +++ llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp Tue Aug 23
> >>             16:19:49 2016
> >>             @@ -109,6 +109,11 @@ public:
> >>                /// Perform register allocation
> >>                bool runOnMachineFunction(MachineFunction &MF) override;
> >>
> >>             +  MachineFunctionProperties getRequiredProperties() const
> >>             override {
> >>             +    return MachineFunctionProperties().set(
> >>             +        MachineFunctionProperties::Property::NoPHIs);
> >>             +  }
> >>             +
> >>              private:
> >>
> >>                typedef std::map<const LiveInterval*, unsigned>
> LI2NodeMap;
> >>
> >>             Modified:
> >>             llvm/trunk/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
> >>             URL:
> >>
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp?rev=279573&r1=279572&r2=279573&view=diff
> >>
>  ==============================================================================
> >>             --- llvm/trunk/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
> >>             (original)
> >>             +++ llvm/trunk/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
> >>             Tue Aug 23 16:19:49 2016
> >>             @@ -98,6 +98,11 @@ public:
> >>                  return "SI Load / Store Optimizer";
> >>                }
> >>
> >>             +  MachineFunctionProperties getRequiredProperties() const
> >>             override {
> >>             +    return MachineFunctionProperties().set(
> >>             +      MachineFunctionProperties::Property::NoPHIs);
> >>             +  }
> >>             +
> >>                void getAnalysisUsage(AnalysisUsage &AU) const override {
> >>                  AU.setPreservesCFG();
> >>                  AU.addPreserved<SlotIndexes>();
> >>             @@ -425,8 +430,6 @@ bool SILoadStoreOptimizer::runOnMachineF
> >>
> >>                DEBUG(dbgs() << "Running SILoadStoreOptimizer\n");
> >>
> >>             -  assert(!MRI->isSSA());
> >>             -
> >>                bool Modified = false;
> >>
> >>                for (MachineBasicBlock &MBB : MF)
> >>
> >>
> >>             _______________________________________________
> >>             llvm-commits mailing list
> >>             llvm-commits at lists.llvm.org
> >>             <mailto:llvm-commits at lists.llvm.org>
> >>             http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
> >>
> >
> >
> >
> > _______________________________________________
> > llvm-commits mailing list
> > llvm-commits at lists.llvm.org
> > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
> >
>
>
> --
>
> -Bill Seurer
>
>
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