aboutsummaryrefslogtreecommitdiffstats
path: root/lib/CodeGen/RegAllocLinearScan.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
-rw-r--r--lib/CodeGen/RegAllocLinearScan.cpp22
1 files changed, 2 insertions, 20 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 8520888..098da7e 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -1192,7 +1192,6 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
// The earliest start of a Spilled interval indicates up to where
// in handled we need to roll back
- unsigned earliestStart = cur->beginNumber();
LiveInterval *earliestStartInterval = cur;
// Spill live intervals of virtual regs mapped to the physical register we
@@ -1206,19 +1205,10 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
LiveInterval *sli = spillIs.back();
spillIs.pop_back();
DOUT << "\t\t\tspilling(a): " << *sli << '\n';
- earliestStart = std::min(earliestStart, sli->beginNumber());
earliestStartInterval =
(earliestStartInterval->beginNumber() < sli->beginNumber()) ?
earliestStartInterval : sli;
-
- if (earliestStartInterval->beginNumber()!=earliestStart) {
- epicFail |= true;
- std::cerr << "What the 1 - "
- << "earliestStart = " << earliestStart
- << "earliestStartInterval = " << earliestStartInterval->beginNumber()
- << "\n";
- }
-
+
std::vector<LiveInterval*> newIs;
if (!NewSpillFramework) {
newIs = li_->addIntervalsForSpills(*sli, spillIs, loopInfo, *vrm_);
@@ -1229,20 +1219,12 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
std::copy(newIs.begin(), newIs.end(), std::back_inserter(added));
spilled.insert(sli->reg);
- if (earliestStartInterval->beginNumber()!=earliestStart) {
- epicFail |= true;
- std::cerr << "What the 2 - "
- << "earliestStart = " << earliestStart
- << "earliestStartInterval = " << earliestStartInterval->beginNumber()
- << "\n";
- }
-
if (epicFail) {
//abort();
}
}
- earliestStart = earliestStartInterval->beginNumber();
+ unsigned earliestStart = earliestStartInterval->beginNumber();
DOUT << "\t\trolling back to: " << earliestStart << '\n';