Add MachineOperand IsInternalRead flag.
This flag is used when bundling machine instructions. It indicates
whether the operand reads a value defined inside or outside its bundle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145997 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index abe6645..f76e837 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -178,6 +178,7 @@
IsKill = isKill;
IsDead = isDead;
IsUndef = isUndef;
+ IsInternalRead = false;
IsEarlyClobber = false;
IsDebug = isDebug;
SubReg = 0;
@@ -256,14 +257,26 @@
NeedComma = true;
}
- if (isKill() || isDead() || isUndef()) {
+ if (isKill() || isDead() || isUndef() || isInternalRead()) {
if (NeedComma) OS << ',';
- if (isKill()) OS << "kill";
- if (isDead()) OS << "dead";
+ NeedComma = false;
+ if (isKill()) {
+ OS << "kill";
+ NeedComma = true;
+ }
+ if (isDead()) {
+ OS << "dead";
+ NeedComma = true;
+ }
if (isUndef()) {
- if (isKill() || isDead())
- OS << ',';
+ if (NeedComma) OS << ',';
OS << "undef";
+ NeedComma = true;
+ }
+ if (isInternalRead()) {
+ if (NeedComma) OS << ',';
+ OS << "internal";
+ NeedComma = true;
}
}
OS << '>';