diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index a70c0f7c11a..29ebad40256 100644
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1382,7 +1382,7 @@ DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
   if (DISubprogram SPDecl = SP.getFunctionDeclaration()) {
     // Add subprogram definitions to the CU die directly.
     ContextDIE = &getUnitDie();
-    // Build the decl now to ensure it preceeds the definition.
+    // Build the decl now to ensure it precedes the definition.
     getOrCreateSubprogramDIE(SPDecl);
   }
 
diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp
index fd0472ee2f7..ce0a3b6bed7 100644
--- a/lib/Support/Host.cpp
+++ b/lib/Support/Host.cpp
@@ -744,7 +744,7 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) {
       .Default("");
 
 #if defined(__aarch64__)
-    // We need to check crypto seperately since we need all of the crypto
+    // We need to check crypto separately since we need all of the crypto
     // extensions to enable the subtarget feature
     if (CPUFeatures[I] == "aes")
       crypto |= CAP_AES;
diff --git a/lib/Target/AArch64/AArch64SchedA53.td b/lib/Target/AArch64/AArch64SchedA53.td
index 0c3949ecfc1..d709bee7b9e 100644
--- a/lib/Target/AArch64/AArch64SchedA53.td
+++ b/lib/Target/AArch64/AArch64SchedA53.td
@@ -148,9 +148,9 @@ def : ReadAdvance<ReadVLD, 0>;
 
 // ALU - Most operands in the ALU pipes are not needed for two cycles. Shiftable
 //       operands are needed one cycle later if and only if they are to be
-//       shifted. Otherwise, they too are needed two cycle later. This same
+//       shifted. Otherwise, they too are needed two cycles later. This same
 //       ReadAdvance applies to Extended registers as well, even though there is
-//       a seperate SchedPredicate for them.
+//       a separate SchedPredicate for them.
 def : ReadAdvance<ReadI, 2, [WriteImm,WriteI,
                              WriteISReg, WriteIEReg,WriteIS,
                              WriteID32,WriteID64,
diff --git a/test/DebugInfo/X86/dbg-value-inlined-parameter.ll b/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
index 1922272cab9..bc86a4f26f5 100644
--- a/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
+++ b/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
@@ -7,7 +7,7 @@
 
 ; CHECK: DW_TAG_subprogram
 ; CHECK:   DW_AT_abstract_origin {{.*}}{[[ABS:.*]]}
-; FIXME: An out of line definition preceeding an inline usage doesn't properly
+; FIXME: An out of line definition preceding an inline usage doesn't properly
 ; reference abstract variables.
 ; CHECK:   DW_TAG_formal_parameter
 ; CHECK-NEXT:     DW_AT_name {{.*}} "sp"