summaryrefslogtreecommitdiff
path: root/lib/CodeGen/AggressiveAntiDepBreaker.h
diff options
context:
space:
mode:
authorJim Grosbach <grosbach@apple.com>2010-01-06 16:48:02 +0000
committerJim Grosbach <grosbach@apple.com>2010-01-06 16:48:02 +0000
commit2973b57093b017f2e3b5f5edd0be9d4ea180f0e9 (patch)
treeaf6a71c2f579d433105337bc6161b0571b2d60f2 /lib/CodeGen/AggressiveAntiDepBreaker.h
parente10920d678c4d6046619e51770de1c9de0c3fe0a (diff)
downloadllvm-2973b57093b017f2e3b5f5edd0be9d4ea180f0e9.tar.gz
llvm-2973b57093b017f2e3b5f5edd0be9d4ea180f0e9.tar.bz2
llvm-2973b57093b017f2e3b5f5edd0be9d4ea180f0e9.tar.xz
80 column and whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92837 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AggressiveAntiDepBreaker.h')
-rw-r--r--lib/CodeGen/AggressiveAntiDepBreaker.h28
1 files changed, 15 insertions, 13 deletions
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.h b/lib/CodeGen/AggressiveAntiDepBreaker.h
index d385a212c7..a62d68c2a8 100644
--- a/lib/CodeGen/AggressiveAntiDepBreaker.h
+++ b/lib/CodeGen/AggressiveAntiDepBreaker.h
@@ -30,7 +30,7 @@
#include <map>
namespace llvm {
- /// Class AggressiveAntiDepState
+ /// Class AggressiveAntiDepState
/// Contains all the state necessary for anti-dep breaking.
class AggressiveAntiDepState {
public:
@@ -54,27 +54,27 @@ namespace llvm {
/// is the parent of a group, or point to another node to indicate
/// that it is a member of the same group as that node.
std::vector<unsigned> GroupNodes;
-
+
/// GroupNodeIndices - For each register, the index of the GroupNode
/// currently representing the group that the register belongs to.
/// Register 0 is always represented by the 0 group, a group
/// composed of registers that are not eligible for anti-aliasing.
unsigned GroupNodeIndices[TargetRegisterInfo::FirstVirtualRegister];
-
+
/// RegRefs - Map registers to all their references within a live range.
std::multimap<unsigned, RegisterReference> RegRefs;
-
+
/// KillIndices - The index of the most recent kill (proceding bottom-up),
/// or ~0u if the register is not live.
unsigned KillIndices[TargetRegisterInfo::FirstVirtualRegister];
-
+
/// DefIndices - The index of the most recent complete def (proceding bottom
/// up), or ~0u if the register is live.
unsigned DefIndices[TargetRegisterInfo::FirstVirtualRegister];
public:
AggressiveAntiDepState(const unsigned TargetRegs, MachineBasicBlock *BB);
-
+
/// GetKillIndices - Return the kill indices.
unsigned *GetKillIndices() { return KillIndices; }
@@ -87,13 +87,14 @@ namespace llvm {
// GetGroup - Get the group for a register. The returned value is
// the index of the GroupNode representing the group.
unsigned GetGroup(unsigned Reg);
-
+
// GetGroupRegs - Return a vector of the registers belonging to a
// group. If RegRefs is non-NULL then only included referenced registers.
void GetGroupRegs(
unsigned Group,
std::vector<unsigned> &Regs,
- std::multimap<unsigned, AggressiveAntiDepState::RegisterReference> *RegRefs);
+ std::multimap<unsigned,
+ AggressiveAntiDepState::RegisterReference> *RegRefs);
// UnionGroups - Union Reg1's and Reg2's groups to form a new
// group. Return the index of the GroupNode representing the
@@ -110,7 +111,7 @@ namespace llvm {
};
- /// Class AggressiveAntiDepBreaker
+ /// Class AggressiveAntiDepBreaker
class AggressiveAntiDepBreaker : public AntiDepBreaker {
MachineFunction& MF;
MachineRegisterInfo &MRI;
@@ -130,14 +131,15 @@ namespace llvm {
AggressiveAntiDepState *State;
public:
- AggressiveAntiDepBreaker(MachineFunction& MFi,
+ AggressiveAntiDepBreaker(MachineFunction& MFi,
TargetSubtarget::RegClassVector& CriticalPathRCs);
~AggressiveAntiDepBreaker();
-
+
/// Start - Initialize anti-dep breaking for a new basic block.
void StartBlock(MachineBasicBlock *BB);
- /// BreakAntiDependencies - Identifiy anti-dependencies along the critical path
+ /// BreakAntiDependencies - Identifiy anti-dependencies along the critical
+ /// path
/// of the ScheduleDAG and break them by renaming registers.
///
unsigned BreakAntiDependencies(std::vector<SUnit>& SUnits,
@@ -160,7 +162,7 @@ namespace llvm {
/// IsImplicitDefUse - Return true if MO represents a register
/// that is both implicitly used and defined in MI
bool IsImplicitDefUse(MachineInstr *MI, MachineOperand& MO);
-
+
/// GetPassthruRegs - If MI implicitly def/uses a register, then
/// return that register and all subregisters.
void GetPassthruRegs(MachineInstr *MI, std::set<unsigned>& PassthruRegs);