aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2006-09-03 00:05:09 +0000
committerChris Lattner <sabre@nondot.org>2006-09-03 00:05:09 +0000
commit7a3abdc63c0cc4e5d5411c3add0e909c6ac49e79 (patch)
tree93b48c134d85b6e24eac7fa608355724ed424b74
parent1c57be4a405bf6fbad93a0e3b28c5dbd0276a0dd (diff)
downloadexternal_llvm-7a3abdc63c0cc4e5d5411c3add0e909c6ac49e79.zip
external_llvm-7a3abdc63c0cc4e5d5411c3add0e909c6ac49e79.tar.gz
external_llvm-7a3abdc63c0cc4e5d5411c3add0e909c6ac49e79.tar.bz2
Move two methods out of line, make them work when the record for a machine
instruction includes physregs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30061 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/llvm/CodeGen/LiveVariables.h34
-rw-r--r--lib/CodeGen/LiveVariables.cpp36
2 files changed, 42 insertions, 28 deletions
diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h
index a0f8c01..a61eca8 100644
--- a/include/llvm/CodeGen/LiveVariables.h
+++ b/include/llvm/CodeGen/LiveVariables.h
@@ -242,19 +242,8 @@ public:
/// removeVirtualRegistersKilled - Remove all killed info for the specified
/// instruction.
- void removeVirtualRegistersKilled(MachineInstr *MI) {
- std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
- RegistersKilled.find(MI);
- if (I != RegistersKilled.end()) {
- std::vector<unsigned> &Regs = I->second;
- for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
- bool removed = getVarInfo(Regs[i]).removeKill(MI);
- assert(removed && "kill not in register's VarInfo?");
- }
- RegistersKilled.erase(I);
- }
- }
-
+ void removeVirtualRegistersKilled(MachineInstr *MI);
+
/// addVirtualRegisterDead - Add information about the fact that the specified
/// register is dead after being used by the specified instruction.
///
@@ -292,21 +281,10 @@ public:
return true;
}
- /// removeVirtualRegistersDead - Remove all of the specified dead
- /// registers from the live variable information.
- void removeVirtualRegistersDead(MachineInstr *MI) {
- std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
- RegistersDead.find(MI);
- if (I != RegistersDead.end()) {
- std::vector<unsigned> &Regs = I->second;
- for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
- bool removed = getVarInfo(Regs[i]).removeKill(MI);
- assert(removed && "kill not in register's VarInfo?");
- }
- RegistersDead.erase(I);
- }
- }
-
+ /// removeVirtualRegistersDead - Remove all of the dead registers for the
+ /// specified instruction from the live variable information.
+ void removeVirtualRegistersDead(MachineInstr *MI);
+
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 4f203e9..4e5c96e 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -415,3 +415,39 @@ void LiveVariables::instructionChanged(MachineInstr *OldMI,
RegistersDead.erase(OldMI);
}
}
+
+/// removeVirtualRegistersKilled - Remove all killed info for the specified
+/// instruction.
+void LiveVariables::removeVirtualRegistersKilled(MachineInstr *MI) {
+ std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
+ RegistersKilled.find(MI);
+ if (I == RegistersKilled.end()) return;
+
+ std::vector<unsigned> &Regs = I->second;
+ for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
+ if (MRegisterInfo::isVirtualRegister(Regs[i])) {
+ bool removed = getVarInfo(Regs[i]).removeKill(MI);
+ assert(removed && "kill not in register's VarInfo?");
+ }
+ }
+ RegistersKilled.erase(I);
+}
+
+/// removeVirtualRegistersDead - Remove all of the dead registers for the
+/// specified instruction from the live variable information.
+void LiveVariables::removeVirtualRegistersDead(MachineInstr *MI) {
+ std::map<MachineInstr*, std::vector<unsigned> >::iterator I =
+ RegistersDead.find(MI);
+ if (I == RegistersDead.end()) return;
+
+ std::vector<unsigned> &Regs = I->second;
+ for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
+ if (MRegisterInfo::isVirtualRegister(Regs[i])) {
+ bool removed = getVarInfo(Regs[i]).removeKill(MI);
+ assert(removed && "kill not in register's VarInfo?");
+ }
+ }
+ RegistersDead.erase(I);
+}
+
+