Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48380 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index babee6a..35d6313 100644
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -877,6 +877,8 @@
       return TAI->getInlineAsmLength(MI->getOperand(0).getSymbolName());
     if (MI->getOpcode() == ARM::LABEL)
       return 0;
+    if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF)
+      return 0;
     assert(0 && "Unknown or unset size field for instr!");
     break;
   case ARMII::Size8Bytes: return 8;          // Arm instruction x 2.
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 49cf624..34487ff 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -645,12 +645,6 @@
 //===----------------------------------------------------------------------===//
 //  Miscellaneous Instructions.
 //
-let isImplicitDef = 1 in
-def IMPLICIT_DEF_GPR : 
-PseudoInst<(outs GPR:$rD), (ins pred:$p),
-           "@ IMPLICIT_DEF_GPR $rD",
-           [(set GPR:$rD, (undef))]>;
-
 
 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
 /// the function.  The first operand is the ID# for this instruction, the second
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 0118198..9d775ac 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -249,15 +249,6 @@
 // FP <-> GPR Copies.  Int <-> FP Conversions.
 //
 
-let isImplicitDef = 1 in {
-def IMPLICIT_DEF_SPR : PseudoInst<(outs SPR:$rD), (ins pred:$p),
-                                  "@ IMPLICIT_DEF_SPR $rD",
-                                  [(set SPR:$rD, (undef))]>;
-def IMPLICIT_DEF_DPR : PseudoInst<(outs DPR:$rD), (ins pred:$p),
-                                  "@ IMPLICIT_DEF_DPR $rD",
-                                  [(set DPR:$rD, (undef))]>;
-}
-
 def FMRS   : ASI<(outs GPR:$dst), (ins SPR:$src),
                  "fmrs", " $dst, $src",
                  [(set GPR:$dst, (bitconvert SPR:$src))]>;