[llvm-commits] CVS: llvm/lib/CodeGen/PhysRegTracker.h RegAllocLinearScan.cpp
Alkis Evlogimenos
alkis at cs.uiuc.edu
Sun Feb 22 19:26:01 PST 2004
Changes in directory llvm/lib/CodeGen:
PhysRegTracker.h updated: 1.1 -> 1.2
RegAllocLinearScan.cpp updated: 1.57 -> 1.58
---
Log message:
Fix comments in PhysRegTracker and rename isPhysRegAvail to isRegAvail to be consistent with the other two
---
Diffs of the changes: (+6 -5)
Index: llvm/lib/CodeGen/PhysRegTracker.h
diff -u llvm/lib/CodeGen/PhysRegTracker.h:1.1 llvm/lib/CodeGen/PhysRegTracker.h:1.2
--- llvm/lib/CodeGen/PhysRegTracker.h:1.1 Sun Feb 22 18:53:31 2004
+++ llvm/lib/CodeGen/PhysRegTracker.h Sun Feb 22 19:25:05 2004
@@ -1,4 +1,4 @@
-//===-- llvm/CodeGen/LiveInterval.h - Live Interval Analysis ----*- C++ -*-===//
+//===-- llvm/CodeGen/PhysRegTracker.h - Physical Register Tracker -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
@@ -8,8 +8,9 @@
//===----------------------------------------------------------------------===//
//
// This file implements a physical register tracker. The tracker
-// tracks physical register usage through addPhysRegUse and
-// delPhysRegUse functions while abstracting away register aliases.
+// tracks physical register usage through addRegUse and
+// delRegUse. isRegAvail checks if a physical register is available or
+// not taking into consideration register aliases.
//
//===----------------------------------------------------------------------===//
@@ -67,7 +68,7 @@
}
}
- bool isPhysRegAvail(unsigned physReg) const {
+ bool isRegAvail(unsigned physReg) const {
assert(MRegisterInfo::isPhysicalRegister(physReg) &&
"should be physical register!");
return regUse_[physReg] == 0;
Index: llvm/lib/CodeGen/RegAllocLinearScan.cpp
diff -u llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.57 llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.58
--- llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.57 Sun Feb 22 18:53:31 2004
+++ llvm/lib/CodeGen/RegAllocLinearScan.cpp Sun Feb 22 19:25:05 2004
@@ -706,7 +706,7 @@
for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_);
i != rc->allocation_order_end(*mf_); ++i) {
unsigned reg = *i;
- if (prt_.isPhysRegAvail(reg))
+ if (prt_.isRegAvail(reg))
return reg;
}
return 0;
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