Revert r325224 "Report fatal error in the case of out of memory"

It caused fails on some buildbots.

llvm-svn: 325227

3 files changed, 4 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/InterferenceCache.cpp b/llvm/lib/CodeGen/InterferenceCache.cpp
index 2bc56c509b9..72227cc7bba 100644
--- a/llvm/lib/CodeGen/InterferenceCache.cpp
+++ b/llvm/lib/CodeGen/InterferenceCache.cpp
@@ -48,8 +48,8 @@ void InterferenceCache::reinitPhysRegEntries() {
   if (PhysRegEntriesCount == TRI->getNumRegs()) return;
   free(PhysRegEntries);
   PhysRegEntriesCount = TRI->getNumRegs();
-  PhysRegEntries = static_cast<unsigned char*>(
-      llvm::calloc(PhysRegEntriesCount, sizeof(unsigned char)));
+  PhysRegEntries = (unsigned char*)
+    calloc(PhysRegEntriesCount, sizeof(unsigned char));
 }
 
 void InterferenceCache::init(MachineFunction *mf,
diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.cpp b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
index 84b3294fbb8..3e742a6c2f2 100644
--- a/llvm/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
@@ -187,7 +187,7 @@ void LiveIntervalUnion::Array::init(LiveIntervalUnion::Allocator &Alloc,
   clear();
   Size = NSize;
   LIUs = static_cast<LiveIntervalUnion*>(
-      llvm::malloc(sizeof(LiveIntervalUnion)*NSize));
+    malloc(sizeof(LiveIntervalUnion)*NSize));
   for (unsigned i = 0; i != Size; ++i)
     new(LIUs + i) LiveIntervalUnion(Alloc);
 }
diff --git a/llvm/lib/CodeGen/RegisterPressure.cpp b/llvm/lib/CodeGen/RegisterPressure.cpp
index 9f8c7288e25..bc1af1594c2 100644
--- a/llvm/lib/CodeGen/RegisterPressure.cpp
+++ b/llvm/lib/CodeGen/RegisterPressure.cpp
@@ -635,8 +635,7 @@ void PressureDiffs::init(unsigned N) {
   }
   Max = Size;
   free(PDiffArray);
-  PDiffArray = static_cast<PressureDiff*>(
-      llvm::calloc(N, sizeof(PressureDiff)));
+  PDiffArray = reinterpret_cast<PressureDiff*>(calloc(N, sizeof(PressureDiff)));
 }
 
 void PressureDiffs::addInstruction(unsigned Idx,