diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 05bae154671..974ac1c547f 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -637,7 +637,7 @@ void LiveIntervals::computeIntervals()
 /// number.  If all of the places that IntA and IntB overlap are defined by
 /// copies from IntA to IntB, we know that these two ranges can really be
 /// merged if we adjust the value numbers.  If it is safe, adjust the value
-/// numbers and return true, allowing coallescing to occur.
+/// numbers and return true, allowing coalescing to occur.
 bool LiveIntervals::
 AdjustIfAllOverlappingRangesAreCopiesFrom(LiveInterval &IntA,
                                           LiveInterval &IntB,
@@ -729,7 +729,7 @@ void LiveIntervals::joinIntervalsInMachineBB(MachineBasicBlock *MBB) {
       // If DestInt is actually a copy from SrcInt (which we know) that is used
       // to define another value of SrcInt, we can change the other range of
       // SrcInt to be the value of the range that defines DestInt, allowing a
-      // coallesce.
+      // coalesce.
       if (!Joinable && DestInt.containsOneValue() &&
           AdjustIfAllOverlappingRangesAreCopiesFrom(SrcInt, DestInt, MIDefIdx))
         Joinable = true;
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 2e6d8260e3f..3aa2cc7c9b8 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -46,7 +46,7 @@ namespace {
   Statistic<> NumTwoAddressInstrs("twoaddressinstruction",
                                   "Number of two-address instructions");
   Statistic<> NumCommuted("twoaddressinstruction",
-                          "Number of instructions commuted to coallesce");
+                          "Number of instructions commuted to coalesce");
   Statistic<> NumConvertedTo3Addr("twoaddressinstruction",
                                 "Number of instructions promoted to 3-address");
 
@@ -127,7 +127,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
 
         // If this instruction is not the killing user of B, see if we can
         // rearrange the code to make it so.  Making it the killing user will
-        // allow us to coallesce A and B together, eliminating the copy we are
+        // allow us to coalesce A and B together, eliminating the copy we are
         // about to insert.
         if (!LV.KillsRegister(mi, regB)) {
           const TargetInstrDescriptor &TID = TII.get(opcode);