diff --git a/lld/ELF/Arch/PPC64.cpp b/lld/ELF/Arch/PPC64.cpp
--- a/lld/ELF/Arch/PPC64.cpp
+++ b/lld/ELF/Arch/PPC64.cpp
@@ -137,7 +137,7 @@
 
 // When accessing a symbol defined in another translation unit, compilers
 // reserve a .toc entry, allocate a local label and generate toc-indirect
-// instuctions:
+// instructions:
 //
 //   addis 3, 2, .LC0@toc@ha  # R_PPC64_TOC16_HA
 //   ld    3, .LC0@toc@l(3)   # R_PPC64_TOC16_LO_DS, load the address from a .toc entry
diff --git a/lld/ELF/CallGraphSort.cpp b/lld/ELF/CallGraphSort.cpp
--- a/lld/ELF/CallGraphSort.cpp
+++ b/lld/ELF/CallGraphSort.cpp
@@ -263,7 +263,7 @@
 // Sort sections by the profile data provided by -callgraph-profile-file
 //
 // This first builds a call graph based on the profile data then merges sections
-// according to the C³ huristic. All clusters are then sorted by a density
+// according to the C³ heuristic. All clusters are then sorted by a density
 // metric to further improve locality.
 DenseMap<const InputSectionBase *, int> computeCallGraphProfileOrder() {
   return CallGraphSort().run();
diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -695,7 +695,7 @@
     // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
     // microMIPS variants of these relocations use slightly different
     // expressions: AHL + GP - P + 3 for %lo() and AHL + GP - P - 1 for %hi()
-    // to correctly handle less-sugnificant bit of the microMIPS symbol.
+    // to correctly handle less-significant bit of the microMIPS symbol.
     uint64_t v = in.mipsGot->getGp(file) + a - p;
     if (type == R_MIPS_LO16 || type == R_MICROMIPS_LO16)
       v += 4;
diff --git a/lld/ELF/ScriptLexer.cpp b/lld/ELF/ScriptLexer.cpp
--- a/lld/ELF/ScriptLexer.cpp
+++ b/lld/ELF/ScriptLexer.cpp
@@ -187,7 +187,7 @@
       break;
     }
 
-    // Get a token before the opreator.
+    // Get a token before the operator.
     if (e != 0)
       ret.push_back(s.substr(0, e));
 
diff --git a/lld/ELF/SyntheticSections.h b/lld/ELF/SyntheticSections.h
--- a/lld/ELF/SyntheticSections.h
+++ b/lld/ELF/SyntheticSections.h
@@ -364,7 +364,7 @@
 
   // Try to merge two GOTs. In case of success the `Dst` contains
   // result of merging and the function returns true. In case of
-  // ovwerflow the `Dst` is unchanged and the function returns false.
+  // overflow the `Dst` is unchanged and the function returns false.
   bool tryMergeGots(FileGot & dst, FileGot & src, bool isPrimary);
 };
 
diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -2149,7 +2149,7 @@
       eSym->st_size = sym->getSize();
 
     // st_value is usually an address of a symbol, but that has a
-    // special meaining for uninstantiated common symbols (this can
+    // special meaning for uninstantiated common symbols (this can
     // occur if -r is given).
     if (BssSection *commonSec = getCommonSec(ent.sym))
       eSym->st_value = commonSec->alignment;
@@ -2248,7 +2248,7 @@
 // DSOs. That means resolving all dynamic symbols takes O(m)*O(n)
 // where m is the number of DSOs and n is the number of dynamic
 // symbols. For modern large programs, both m and n are large.  So
-// making each step faster by using hash tables substiantially
+// making each step faster by using hash tables substantially
 // improves time to load programs.
 //
 // (Note that this is not the only way to design the shared library.
diff --git a/lld/docs/WebAssembly.rst b/lld/docs/WebAssembly.rst
--- a/lld/docs/WebAssembly.rst
+++ b/lld/docs/WebAssembly.rst
@@ -62,7 +62,7 @@
   Relocation targets in the code section 5-bytes wide in order to potentially
   occomate the largest LEB128 value.  This option will cause the linker to
   shirnk the code section to remove any padding from the final output.  However
-  because it effects code offset, this option is not compatible with outputing
+  because it effects code offset, this option is not compatible with outputting
   debug information.
 
 .. option:: --allow-undefined
diff --git a/lld/include/lld/Core/Reference.h b/lld/include/lld/Core/Reference.h
--- a/lld/include/lld/Core/Reference.h
+++ b/lld/include/lld/Core/Reference.h
@@ -91,7 +91,7 @@
   /// Some relocations require a symbol and a value (e.g. foo + 4).
   virtual Addend addend() const = 0;
 
-  /// During linking, some optimzations may change addend value.
+  /// During linking, some optimizations may change addend value.
   virtual void setAddend(Addend) = 0;
 
   /// Returns target specific attributes of the reference.
diff --git a/lld/lib/ReaderWriter/MachO/ArchHandler_arm64.cpp b/lld/lib/ReaderWriter/MachO/ArchHandler_arm64.cpp
--- a/lld/lib/ReaderWriter/MachO/ArchHandler_arm64.cpp
+++ b/lld/lib/ReaderWriter/MachO/ArchHandler_arm64.cpp
@@ -61,7 +61,7 @@
 
   /// Used by GOTPass to update GOT References.
   void updateReferenceToGOT(const Reference *ref, bool targetNowGOT) override {
-    // If GOT slot was instanciated, transform:
+    // If GOT slot was instantiated, transform:
     //   gotPage21/gotOffset12 -> page21/offset12scale8
     // If GOT slot optimized away, transform:
     //   gotPage21/gotOffset12 -> page21/addOffset12
diff --git a/lld/lib/ReaderWriter/MachO/CompactUnwindPass.cpp b/lld/lib/ReaderWriter/MachO/CompactUnwindPass.cpp
--- a/lld/lib/ReaderWriter/MachO/CompactUnwindPass.cpp
+++ b/lld/lib/ReaderWriter/MachO/CompactUnwindPass.cpp
@@ -576,5 +576,5 @@
   pm.add(std::make_unique<CompactUnwindPass>(ctx));
 }
 
-} // end namesapce mach_o
-} // end namesapce lld
+} // end namespace mach_o
+} // end namespace lld
diff --git a/lld/lib/ReaderWriter/MachO/GOTPass.cpp b/lld/lib/ReaderWriter/MachO/GOTPass.cpp
--- a/lld/lib/ReaderWriter/MachO/GOTPass.cpp
+++ b/lld/lib/ReaderWriter/MachO/GOTPass.cpp
@@ -179,5 +179,5 @@
   pm.add(std::make_unique<GOTPass>(ctx));
 }
 
-} // end namesapce mach_o
-} // end namesapce lld
+} // end namespace mach_o
+} // end namespace lld
diff --git a/lld/lib/ReaderWriter/MachO/TLVPass.cpp b/lld/lib/ReaderWriter/MachO/TLVPass.cpp
--- a/lld/lib/ReaderWriter/MachO/TLVPass.cpp
+++ b/lld/lib/ReaderWriter/MachO/TLVPass.cpp
@@ -136,5 +136,5 @@
   pm.add(std::make_unique<TLVPass>(ctx));
 }
 
-} // end namesapce mach_o
-} // end namesapce lld
+} // end namespace mach_o
+} // end namespace lld
diff --git a/lld/test/COFF/secidx-absolute.s b/lld/test/COFF/secidx-absolute.s
--- a/lld/test/COFF/secidx-absolute.s
+++ b/lld/test/COFF/secidx-absolute.s
@@ -3,7 +3,7 @@
 # RUN: lld-link -entry:main -nodefaultlib %t.obj -out:%t.exe
 # RUN: llvm-readobj %t.exe -sections -section-data | FileCheck %s
 
-# Section relocations against absolute symbols resolve to the last real ouput
+# Section relocations against absolute symbols resolve to the last real output
 # section index plus one.
 
 .text
diff --git a/lld/test/ELF/Inputs/undef-bad-debug.s b/lld/test/ELF/Inputs/undef-bad-debug.s
--- a/lld/test/ELF/Inputs/undef-bad-debug.s
+++ b/lld/test/ELF/Inputs/undef-bad-debug.s
@@ -14,7 +14,7 @@
     .long .Lprologue_end - .Lprologue_start # prologue length
 .Lprologue_start:
     .byte 1                         # minimum instruction length
-    .byte 1                         # maximum operatiosn per instruction
+    .byte 1                         # maximum operations per instruction
     .byte 1                         # default is_stmt
     .byte -5                        # line base
     .byte 14                        # line range
@@ -51,7 +51,7 @@
     .long .Lprologue2_end - .Lprologue2_start # prologue length
 .Lprologue2_start:
     .byte 1                         # minimum instruction length
-    .byte 1                         # maximum operatiosn per instruction
+    .byte 1                         # maximum operations per instruction
     .byte 1                         # default is_stmt
     .byte -5                        # line base
     .byte 14                        # line range
diff --git a/lld/test/ELF/allow-multiple-definition.s b/lld/test/ELF/allow-multiple-definition.s
--- a/lld/test/ELF/allow-multiple-definition.s
+++ b/lld/test/ELF/allow-multiple-definition.s
@@ -14,7 +14,7 @@
 # RUN: llvm-objdump -d %t3 | FileCheck %s
 # RUN: llvm-objdump -d %t4 | FileCheck -check-prefix=REVERT %s
 
-# inputs contain different constants for instuction movl.
+# inputs contain different constants for instruction movl.
 # Tests below checks that order of files in command line
 # affects on what symbol will be used.
 # If flag allow-multiple-definition is enabled the first
diff --git a/lld/test/ELF/arm-exidx-add-missing.s b/lld/test/ELF/arm-exidx-add-missing.s
--- a/lld/test/ELF/arm-exidx-add-missing.s
+++ b/lld/test/ELF/arm-exidx-add-missing.s
@@ -10,7 +10,7 @@
 // The range of addresses covered by the table entry is terminated by the
 // next table entry. This means that an executable section without a .ARM.exidx
 // section does not terminate the range of addresses. To fix this the linker
-// synthesises an EXIDX_CANTUNWIND entry for each section wihout a .ARM.exidx
+// synthesises an EXIDX_CANTUNWIND entry for each section without a .ARM.exidx
 // section.
 
         .syntax unified
diff --git a/lld/test/ELF/executable-undefined-ignoreall.s b/lld/test/ELF/executable-undefined-ignoreall.s
--- a/lld/test/ELF/executable-undefined-ignoreall.s
+++ b/lld/test/ELF/executable-undefined-ignoreall.s
@@ -1,7 +1,7 @@
 # REQUIRES: x86
 
 ## --unresolved-symbols=ignore-all behaves similar to -shared:
-## for PLT relocations to undefined symbols, produce dynamic reloctions if we
+## for PLT relocations to undefined symbols, produce dynamic relocations if we
 ## emit .dynsym.
 
 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
diff --git a/lld/test/ELF/icf-absolute2.s b/lld/test/ELF/icf-absolute2.s
--- a/lld/test/ELF/icf-absolute2.s
+++ b/lld/test/ELF/icf-absolute2.s
@@ -4,7 +4,7 @@
 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %S/Inputs/icf-absolute2.s -o %t2
 # RUN: ld.lld %t %t2 -o /dev/null --icf=all --print-icf-sections | FileCheck -allow-empty %s
 
-## Test we do not crash and do not fold sections which relocations reffering to
+## Test we do not crash and do not fold sections which relocations referring to
 ## absolute symbols with a different values.
 # CHECK-NOT: selected
 
diff --git a/lld/test/ELF/invalid/broken-relaxation-x64.test b/lld/test/ELF/invalid/broken-relaxation-x64.test
--- a/lld/test/ELF/invalid/broken-relaxation-x64.test
+++ b/lld/test/ELF/invalid/broken-relaxation-x64.test
@@ -8,7 +8,7 @@
 ## YAML below contains 2 relocations of type R_X86_64_GOTTPOFF, and a .text
 ## with fake content filled by 0xFF. That means instructions for relaxation are
 ## "broken", so they does not match any known valid relaxations. We also generate
-## .tls section because we need it for correct proccessing of STT_TLS symbol.
+## .tls section because we need it for correct processing of STT_TLS symbol.
 !ELF
 FileHeader:
   Class:           ELFCLASS64
@@ -44,4 +44,4 @@
     Value:    0x12345
     Size:     4
     Binding:  STB_GLOBAL
- 
\ No newline at end of file
+ 
diff --git a/lld/test/ELF/linkerscript/align1.test b/lld/test/ELF/linkerscript/align1.test
--- a/lld/test/ELF/linkerscript/align1.test
+++ b/lld/test/ELF/linkerscript/align1.test
@@ -34,7 +34,7 @@
 # RUN: ld.lld -o %t5 --script %t.script %t.o
 # RUN: llvm-objdump -section-headers %t5 | FileCheck %s -check-prefix=ZERO
 
-## Test we fail gracefuly when alignment value is not a power of 2 (#1).
+## Test we fail gracefully when alignment value is not a power of 2 (#1).
 # RUN: echo "SECTIONS { . = 0x123; . = ALIGN(0x123, 3); .aaa : { *(.aaa) } }" > %t.script
 # RUN: not ld.lld -o %t6 --script %t.script %t.o 2>&1 | FileCheck -check-prefix=ERR %s
 
diff --git a/lld/test/ELF/linkerscript/subalign.s b/lld/test/ELF/linkerscript/subalign.s
--- a/lld/test/ELF/linkerscript/subalign.s
+++ b/lld/test/ELF/linkerscript/subalign.s
@@ -34,7 +34,7 @@
 # RUN: ld.lld %t1.o --script %t4.script -o %t4
 # RUN: llvm-objdump -s %t4 | FileCheck -check-prefix=SUBALIGN %s
 
-## Test we fail gracefuly when alignment value is not a power of 2.
+## Test we fail gracefully when alignment value is not a power of 2.
 # RUN: echo "SECTIONS { .aaa : SUBALIGN(3) { *(.aaa*) } }" > %t5.script
 # RUN: not ld.lld %t1.o --script %t5.script -o /dev/null 2>&1 | FileCheck --check-prefix=ERR2 %s
 # ERR2: {{.*}}.script:1: alignment must be power of 2
diff --git a/lld/test/ELF/lto/common4.ll b/lld/test/ELF/lto/common4.ll
--- a/lld/test/ELF/lto/common4.ll
+++ b/lld/test/ELF/lto/common4.ll
@@ -2,7 +2,7 @@
 
 ;; Make sure that common symbols are properly internalized.
 ;; In this file, @a does not interpose any symbol in a DSO,
-;; so LTO should be able to internelize it.
+;; so LTO should be able to internalize it.
 
 ; RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux /dev/null -o %t.so.o
 ; RUN: ld.lld -shared -o %t.so %t.so.o
diff --git a/lld/test/ELF/mips-sto-pic-flag.s b/lld/test/ELF/mips-sto-pic-flag.s
--- a/lld/test/ELF/mips-sto-pic-flag.s
+++ b/lld/test/ELF/mips-sto-pic-flag.s
@@ -1,7 +1,7 @@
 # REQUIRES: mips
 # In case of linking PIC and non-PIC code together and generation
 # of a relocatable object, all PIC symbols should have STO_MIPS_PIC
-# flag in the symbol table of the ouput file.
+# flag in the symbol table of the output file.
 
 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t-npic.o
 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
diff --git a/lld/test/ELF/pack-dyn-relocs.s b/lld/test/ELF/pack-dyn-relocs.s
--- a/lld/test/ELF/pack-dyn-relocs.s
+++ b/lld/test/ELF/pack-dyn-relocs.s
@@ -69,7 +69,7 @@
 // ANDROID32-HEADERS: 0x6000000F ANDROID_REL          [[ADDR]]
 // ANDROID32-HEADERS: 0x60000010 ANDROID_RELSZ        [[SIZE]]
 
-// Packed should have the groups of non-relative reloations first, followed
+// Packed should have the groups of non-relative relocations first, followed
 // by the larger groups of relative relocations (i.e. the 8 and 9 followed
 // by the 7.)
 // ANDROID32:          Section ({{.+}}) .rel.dyn {
diff --git a/lld/test/ELF/ppc64-local-dynamic.s b/lld/test/ELF/ppc64-local-dynamic.s
--- a/lld/test/ELF/ppc64-local-dynamic.s
+++ b/lld/test/ELF/ppc64-local-dynamic.s
@@ -95,7 +95,7 @@
 // OutputRelocs-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
 // OutputRelocs-NEXT: R_PPC64_DTPMOD64
 
-// Check that the got has 3 entries, 1 for the TOC and 1 stucture of 2 entries
+// Check that the got has 3 entries, 1 for the TOC and 1 structure of 2 entries
 // for the tls variables. Also verify the address so we can check the offsets
 // we calculate for each relocation type.
 // CheckGot: got          00000018 0000000000020100
diff --git a/lld/test/ELF/ppc64-split-stack-prologue-adjust-success.s b/lld/test/ELF/ppc64-split-stack-prologue-adjust-success.s
--- a/lld/test/ELF/ppc64-split-stack-prologue-adjust-success.s
+++ b/lld/test/ELF/ppc64-split-stack-prologue-adjust-success.s
@@ -16,7 +16,7 @@
 
 # A caller with a stack that is small enough that the addis instruction
 # from the split-stack prologue is unneeded, and after the prologue adjustment
-# the stack size still fits whithin 16 bits.
+# the stack size still fits within 16 bits.
         .p2align    2
         .global caller_small_stack
         .type caller_small_stack, @function
@@ -56,7 +56,7 @@
 # CHECK-NEXT:  cmpld 7, 12, 0
 # CHECK-NEXT:  bt-  28, .+36
 
-# A caller that has a stack size that fits whithin 16 bits, but the adjusted
+# A caller that has a stack size that fits within 16 bits, but the adjusted
 # stack size after prologue adjustment now overflows 16 bits needing both addis
 # and addi instructions.
         .p2align    2
diff --git a/lld/test/ELF/warn-backrefs.s b/lld/test/ELF/warn-backrefs.s
--- a/lld/test/ELF/warn-backrefs.s
+++ b/lld/test/ELF/warn-backrefs.s
@@ -39,7 +39,7 @@
 # RUN: echo ".globl foo; foo: call bar" | llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t4.o
 # RUN: ld.lld --fatal-warnings --warn-backrefs %t1.o --start-lib %t3.o %t4.o --end-lib -o /dev/null
 
-# We don't report backward references to weak symbols as they can be overriden later.
+# We don't report backward references to weak symbols as they can be overridden later.
 # RUN: echo ".weak foo; foo:" | llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t5.o
 # RUN: ld.lld --fatal-warnings --warn-backrefs --start-lib %t5.o --end-lib %t1.o %t2.o -o /dev/null
 
diff --git a/lld/test/mach-o/error-simulator-vs-macosx.yaml b/lld/test/mach-o/error-simulator-vs-macosx.yaml
--- a/lld/test/mach-o/error-simulator-vs-macosx.yaml
+++ b/lld/test/mach-o/error-simulator-vs-macosx.yaml
@@ -1,7 +1,7 @@
 # RUN: ld64.lld -arch i386 -macosx_version_min 10.8 %s %p/Inputs/hello-world-x86.yaml -o %t && llvm-nm -m %t | FileCheck %s
 # RUN: not ld64.lld -arch i386 -ios_simulator_version_min 5.0 %s %p/Inputs/hello-world-x86.yaml -o %t 2>&1 | FileCheck %s --check-prefix=ERROR
 #
-# Test that i386 can link with a macos version but gives an error with a simululator version.
+# Test that i386 can link with a macos version but gives an error with a simulator version.
 #
 
 --- !mach-o
diff --git a/lld/test/mach-o/parse-literals-error.yaml b/lld/test/mach-o/parse-literals-error.yaml
--- a/lld/test/mach-o/parse-literals-error.yaml
+++ b/lld/test/mach-o/parse-literals-error.yaml
@@ -1,7 +1,7 @@
 # RUN: not ld64.lld -arch x86_64 -r -print_atoms %s -o %t 2> %t.err
 # RUN: FileCheck %s < %t.err
 #
-# Test for error if literal section is not correct size mulitple.
+# Test for error if literal section is not correct size multiple.
 #
 
 --- !mach-o
diff --git a/lld/test/wasm/entry-signature.ll b/lld/test/wasm/entry-signature.ll
--- a/lld/test/wasm/entry-signature.ll
+++ b/lld/test/wasm/entry-signature.ll
@@ -1,4 +1,4 @@
-; Verify that the entry point signauture can be flexible.
+; Verify that the entry point signature can be flexible.
 ; RUN: llc -filetype=obj %s -o %t.o
 ; RUN: wasm-ld -o %t1.wasm %t.o
 
diff --git a/lld/test/wasm/export-optional-lazy.ll b/lld/test/wasm/export-optional-lazy.ll
--- a/lld/test/wasm/export-optional-lazy.ll
+++ b/lld/test/wasm/export-optional-lazy.ll
@@ -1,7 +1,7 @@
 ; Optional linker-synthetic symbols are only created if they are undefined
 ; in the final output.
 ; This test is for a regression where an explicit --export of an lazy archive
-; symbol caused an undefined referece to an optional symbol to occur *after*
+; symbol caused an undefined reference to an optional symbol to occur *after*
 ; the optional symbols were created.
 
 ; RUN: llc -filetype=obj %s -o %t.o
diff --git a/lld/test/wasm/lto/signature-mismatch.ll b/lld/test/wasm/lto/signature-mismatch.ll
--- a/lld/test/wasm/lto/signature-mismatch.ll
+++ b/lld/test/wasm/lto/signature-mismatch.ll
@@ -3,7 +3,7 @@
 ; RUN: not wasm-ld --fatal-warnings %t.o %t1.o -o %t.wasm 2>&1 | FileCheck %s
 
 ; Test that functions defined in bitcode correctly report signature
-; mistmaches with existing undefined sybmols in normal objects.
+; mismatches with existing undefined sybmols in normal objects.
 
 target triple = "wasm32-unknown-unknown"
 
diff --git a/lld/test/wasm/lto/undef.ll b/lld/test/wasm/lto/undef.ll
--- a/lld/test/wasm/lto/undef.ll
+++ b/lld/test/wasm/lto/undef.ll
@@ -8,7 +8,7 @@
 declare i32 @bar()
 
 ; Symbols such as foo which are only called indirectly are handled slightly
-; differently with resepect to signature checking.
+; differently with respect to signature checking.
 declare i32 @foo()
 
 @ptr = global i8* bitcast (i32 ()* @foo to i8*), align 8
diff --git a/lld/test/wasm/signature-mismatch-unknown.ll b/lld/test/wasm/signature-mismatch-unknown.ll
--- a/lld/test/wasm/signature-mismatch-unknown.ll
+++ b/lld/test/wasm/signature-mismatch-unknown.ll
@@ -4,7 +4,7 @@
 ; RUN: wasm-ld --fatal-warnings -o %t.wasm %t.main.o %t.ret32.o
 
 ; Also test the case where there are two different object files that contains
-; referneces ret32:
+; references ret32:
 ; %t.main.o: Does not call ret32 directly; used the wrong signature.
 ; %t.call-ret32.o: Calls ret32 directly; uses the correct signature.
 ; RUN: llc -filetype=obj %p/Inputs/call-ret32.ll -o %t.call-ret32.o
diff --git a/lld/test/wasm/undefined-entry.test b/lld/test/wasm/undefined-entry.test
--- a/lld/test/wasm/undefined-entry.test
+++ b/lld/test/wasm/undefined-entry.test
@@ -3,7 +3,7 @@
 RUN: not wasm-ld --allow-undefined -o %t.wasm %t.ret32.o 2>&1 | FileCheck %s
 RUN: not wasm-ld -entry=foo -o %t.wasm %t.ret32.o 2>&1 | FileCheck %s -check-prefix=CHECK-CUSTOM
 
-CHECK: error: entry symbol not defined (pass --no-entry to supress): _start
-CHECK-CUSTOM: error: entry symbol not defined (pass --no-entry to supress): foo
+CHECK: error: entry symbol not defined (pass --no-entry to suppress): _start
+CHECK-CUSTOM: error: entry symbol not defined (pass --no-entry to suppress): foo
 
 RUN: wasm-ld --no-entry -o %t.wasm %t.ret32.o
diff --git a/lld/test/wasm/visibility-hidden.ll b/lld/test/wasm/visibility-hidden.ll
--- a/lld/test/wasm/visibility-hidden.ll
+++ b/lld/test/wasm/visibility-hidden.ll
@@ -3,12 +3,12 @@
 ; RUN: rm -f %t2.a
 ; RUN: llvm-ar rcs %t2.a %t2.o
 
-; Test that symbols with hidden visitiblity are not export, even with
+; Test that symbols with hidden visibility are not export, even with
 ; --export-dynamic
 ; RUN: wasm-ld --export-dynamic %t.o %t2.a -o %t.wasm
 ; RUN: obj2yaml %t.wasm | FileCheck %s
 
-; Test that symbols with default visitiblity are not exported without
+; Test that symbols with default visibility are not exported without
 ; --export-dynamic
 ; RUN: wasm-ld %t.o %t2.a -o %t.nodef.wasm
 ; RUN: obj2yaml %t.nodef.wasm | FileCheck %s -check-prefix=NO-DEFAULT
diff --git a/lld/wasm/Driver.cpp b/lld/wasm/Driver.cpp
--- a/lld/wasm/Driver.cpp
+++ b/lld/wasm/Driver.cpp
@@ -730,7 +730,7 @@
     if (entrySym && entrySym->isDefined())
       entrySym->forceExport = true;
     else
-      error("entry symbol not defined (pass --no-entry to supress): " +
+      error("entry symbol not defined (pass --no-entry to suppress): " +
             config->entry);
   }
 
diff --git a/lld/wasm/SymbolTable.h b/lld/wasm/SymbolTable.h
--- a/lld/wasm/SymbolTable.h
+++ b/lld/wasm/SymbolTable.h
@@ -103,7 +103,7 @@
   llvm::DenseMap<llvm::CachedHashStringRef, int> symMap;
   std::vector<Symbol *> symVector;
 
-  // For certain symbols types, e.g. function symbols, we allow for muliple
+  // For certain symbols types, e.g. function symbols, we allow for multiple
   // variants of the same symbol with different signatures.
   llvm::DenseMap<llvm::CachedHashStringRef, std::vector<Symbol *>> symVariants;
 
diff --git a/lld/wasm/SymbolTable.cpp b/lld/wasm/SymbolTable.cpp
--- a/lld/wasm/SymbolTable.cpp
+++ b/lld/wasm/SymbolTable.cpp
@@ -135,7 +135,7 @@
 }
 
 // Check the type of new symbol matches that of the symbol is replacing.
-// Returns true if the function types match, false is there is a singature
+// Returns true if the function types match, false is there is a signature
 // mismatch.
 static bool signatureMatches(FunctionSymbol *existing,
                              const WasmSignature *newSig) {
@@ -276,7 +276,7 @@
   std::tie(s, wasInserted) = insert(name, file);
 
   auto replaceSym = [&](Symbol *sym) {
-    // If the new defined function doesn't have signture (i.e. bitcode
+    // If the new defined function doesn't have signature (i.e. bitcode
     // functions) but the old symbol does, then preserve the old signature
     const WasmSignature *oldSig = s->getSignature();
     auto* newSym = replaceSymbol<DefinedFunction>(sym, name, flags, file, function);
diff --git a/lld/wasm/Symbols.h b/lld/wasm/Symbols.h
--- a/lld/wasm/Symbols.h
+++ b/lld/wasm/Symbols.h
@@ -413,7 +413,7 @@
 
   // Lazy symbols can have a signature because they can replace an
   // UndefinedFunction which which case we need to be able to preserve the
-  // signture.
+  // signature.
   // TODO(sbc): This repetition of the signature field is inelegant.  Revisit
   // the use of class hierarchy to represent symbol taxonomy.
   const WasmSignature *signature = nullptr;
diff --git a/lld/wasm/Symbols.cpp b/lld/wasm/Symbols.cpp
--- a/lld/wasm/Symbols.cpp
+++ b/lld/wasm/Symbols.cpp
@@ -151,7 +151,7 @@
   LLVM_DEBUG(dbgs() << "setGOTIndex " << name << " -> " << index << "\n");
   assert(gotIndex == INVALID_INDEX);
   if (config->isPic) {
-    // Any symbol that is assigned a GOT entry must be exported othewise the
+    // Any symbol that is assigned a GOT entry must be exported otherwise the
     // dynamic linker won't be able create the entry that contains it.
     forceExport = true;
   }