[llvm] r322312 - [arm] Implement Target Operand Flag MIR serialization.

[Evgeniy Stepanov via llvm-commits]

Author: eugenis
Date: Thu Jan 11 13:37:58 2018
New Revision: 322312

URL: http://llvm.org/viewvc/llvm-project?rev=322312&view=rev
Log:
[arm] Implement Target Operand Flag MIR serialization.

Reviewers: efriedma, pcc

Subscribers: aemerson, javed.absar, kristof.beyls, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D39975

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.cpp
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.h
    llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-select-globals-pic.mir

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.cpp?rev=322312&r1=322311&r2=322312&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.cpp Thu Jan 11 13:37:58 2018
@@ -135,3 +135,31 @@ void ARMInstrInfo::expandLoadStackGuard(
       .setMemRefs(MI->memoperands_begin(), MI->memoperands_end())
       .add(predOps(ARMCC::AL));
 }
+
+std::pair<unsigned, unsigned>
+ARMInstrInfo::decomposeMachineOperandsTargetFlags(unsigned TF) const {
+  const unsigned Mask = ARMII::MO_OPTION_MASK;
+  return std::make_pair(TF & Mask, TF & ~Mask);
+}
+
+ArrayRef<std::pair<unsigned, const char *>>
+ARMInstrInfo::getSerializableDirectMachineOperandTargetFlags() const {
+  using namespace ARMII;
+
+  static const std::pair<unsigned, const char *> TargetFlags[] = {
+      {MO_LO16, "arm-lo16"}, {MO_HI16, "arm-hi16"}};
+  return makeArrayRef(TargetFlags);
+}
+
+ArrayRef<std::pair<unsigned, const char *>>
+ARMInstrInfo::getSerializableBitmaskMachineOperandTargetFlags() const {
+  using namespace ARMII;
+
+  static const std::pair<unsigned, const char *> TargetFlags[] = {
+      {MO_GOT, "arm-got"},
+      {MO_SBREL, "arm-sbrel"},
+      {MO_DLLIMPORT, "arm-dllimport"},
+      {MO_SECREL, "arm-secrel"},
+      {MO_NONLAZY, "arm-nonlazy"}};
+  return makeArrayRef(TargetFlags);
+}

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.h?rev=322312&r1=322311&r2=322312&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.h (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.h Thu Jan 11 13:37:58 2018
@@ -38,6 +38,13 @@ public:
   ///
   const ARMRegisterInfo &getRegisterInfo() const override { return RI; }
 
+  std::pair<unsigned, unsigned>
+  decomposeMachineOperandsTargetFlags(unsigned TF) const override;
+  ArrayRef<std::pair<unsigned, const char *>>
+  getSerializableDirectMachineOperandTargetFlags() const override;
+  ArrayRef<std::pair<unsigned, const char *>>
+  getSerializableBitmaskMachineOperandTargetFlags() const override;
+
 private:
   void expandLoadStackGuard(MachineBasicBlock::iterator MI) const override;
 };

Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-select-globals-pic.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-select-globals-pic.mir?rev=322312&r1=322311&r2=322312&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-select-globals-pic.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-select-globals-pic.mir Thu Jan 11 13:37:58 2018
@@ -56,7 +56,7 @@ body:             |
     %0(p0) = G_GLOBAL_VALUE @external_global
     ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr {{.*}} @external_global :: (load 4 from got)
     ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr {{.*}}@external_global :: (load 4 from got)
-    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(<unknown>) @external_global :: (load 4 from got)
+    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_global :: (load 4 from got)
 
     %1(s32) = G_LOAD %0(p0) :: (load 4 from @external_global)
     ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, %noreg :: (load 4 from @external_global)
@@ -108,7 +108,7 @@ body:             |
     %0(p0) = G_GLOBAL_VALUE @external_constant
     ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr {{.*}} @external_constant :: (load 4 from got)
     ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr {{.*}}@external_constant :: (load 4 from got)
-    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(<unknown>) @external_constant :: (load 4 from got)
+    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_constant :: (load 4 from got)
 
     %1(s32) = G_LOAD %0(p0) :: (load 4 from @external_constant)
     ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, %noreg :: (load 4 from @external_constant)