[llvm-commits] CVS: llvm/lib/CodeGen/LiveIntervals.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/CodeGen:

LiveIntervals.cpp updated: 1.24 -> 1.25

---
Log message:

Fix bug in LiveIntervals::Interval::overlaps and
LiveIntervals::Interval::liveAt. Both were considering the live ranges
closed in the end, when they are actually open.


---
Diffs of the changes:  (+3 -3)

Index: llvm/lib/CodeGen/LiveIntervals.cpp
diff -u llvm/lib/CodeGen/LiveIntervals.cpp:1.24 llvm/lib/CodeGen/LiveIntervals.cpp:1.25
--- llvm/lib/CodeGen/LiveIntervals.cpp:1.24	Tue Jan 13 16:26:14 2004
+++ llvm/lib/CodeGen/LiveIntervals.cpp	Tue Jan 13 18:20:09 2004
@@ -366,7 +366,7 @@
 bool LiveIntervals::Interval::liveAt(unsigned index) const
 {
     Ranges::const_iterator r = ranges.begin();
-    while (r != ranges.end() && index < r->second) {
+    while (r != ranges.end() && index < (r->second - 1)) {
         if (index >= r->first)
             return true;
         ++r;
@@ -381,7 +381,7 @@
 
     while (i != ranges.end() && j != other.ranges.end()) {
         if (i->first < j->first) {
-            if (i->second > j->first) {
+            if ((i->second - 1) > j->first) {
                 return true;
             }
             else {
@@ -389,7 +389,7 @@
             }
         }
         else if (j->first < i->first) {
-            if (j->second > i->first) {
+            if ((j->second - 1) > i->first) {
                 return true;
             }
             else {