diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1776,7 +1776,7 @@
 
 void Driver::PrintVersion(const Compilation &C, raw_ostream &OS) const {
   if (IsFlangMode()) {
-    OS << getClangToolFullVersion("flang-new") << '\n';
+    OS << getClangToolFullVersion("flang") << '\n';
   } else {
     // FIXME: The following handlers should use a callback mechanism, we don't
     // know what the client would like to do.
diff --git a/clang/lib/Driver/ToolChains/Flang.cpp b/clang/lib/Driver/ToolChains/Flang.cpp
--- a/clang/lib/Driver/ToolChains/Flang.cpp
+++ b/clang/lib/Driver/ToolChains/Flang.cpp
@@ -129,14 +129,12 @@
   CmdArgs.push_back(Input.getFilename());
 
   const auto& D = C.getDriver();
-  // TODO: Replace flang-new with flang once the new driver replaces the
-  // throwaway driver
-  const char *Exec = Args.MakeArgString(D.GetProgramPath("flang-new", TC));
+  const char *Exec = Args.MakeArgString(D.GetProgramPath("flang", TC));
   C.addCommand(std::make_unique<Command>(JA, *this,
                                          ResponseFileSupport::AtFileUTF8(),
                                          Exec, CmdArgs, Inputs, Output));
 }
 
-Flang::Flang(const ToolChain &TC) : Tool("flang-new", "flang frontend", TC) {}
+Flang::Flang(const ToolChain &TC) : Tool("flang", "flang frontend", TC) {}
 
 Flang::~Flang() {}
diff --git a/clang/test/Driver/flang/flang.f90 b/clang/test/Driver/flang/flang.f90
--- a/clang/test/Driver/flang/flang.f90
+++ b/clang/test/Driver/flang/flang.f90
@@ -13,7 +13,7 @@
 ! * (no type specified, resulting in an object file)
 
 ! All invocations should begin with flang -fc1, consume up to here.
-! ALL-LABEL: "{{[^"]*}}flang-new" "-fc1"
+! ALL-LABEL: "{{[^"]*}}flang" "-fc1"
 
 ! Check that f90 files are not treated as "previously preprocessed"
 ! ... in --driver-mode=flang.
diff --git a/clang/test/Driver/flang/flang_ucase.F90 b/clang/test/Driver/flang/flang_ucase.F90
--- a/clang/test/Driver/flang/flang_ucase.F90
+++ b/clang/test/Driver/flang/flang_ucase.F90
@@ -13,7 +13,7 @@
 ! * (no type specified, resulting in an object file)
 
 ! All invocations should begin with flang -fc1, consume up to here.
-! ALL-LABEL: "{{[^"]*}}flang-new" "-fc1"
+! ALL-LABEL: "{{[^"]*}}flang" "-fc1"
 
 ! Check that f90 files are not treated as "previously preprocessed"
 ! ... in --driver-mode=flang.
diff --git a/clang/test/Driver/flang/multiple-inputs-mixed.f90 b/clang/test/Driver/flang/multiple-inputs-mixed.f90
--- a/clang/test/Driver/flang/multiple-inputs-mixed.f90
+++ b/clang/test/Driver/flang/multiple-inputs-mixed.f90
@@ -1,7 +1,7 @@
 ! Check that flang can handle mixed C and fortran inputs.
 
 ! RUN: %clang --driver-mode=flang -### -fsyntax-only %S/Inputs/one.f90 %S/Inputs/other.c 2>&1 | FileCheck --check-prefixes=CHECK-SYNTAX-ONLY %s
-! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang-new{{[^"/]*}}" "-fc1"
+! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang{{[^"/]*}}" "-fc1"
 ! CHECK-SYNTAX-ONLY: "{{[^"]*}}/Inputs/one.f90"
 ! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}clang{{[^"/]*}}" "-cc1"
 ! CHECK-SYNTAX-ONLY: "{{[^"]*}}/Inputs/other.c"
diff --git a/clang/test/Driver/flang/multiple-inputs.f90 b/clang/test/Driver/flang/multiple-inputs.f90
--- a/clang/test/Driver/flang/multiple-inputs.f90
+++ b/clang/test/Driver/flang/multiple-inputs.f90
@@ -1,7 +1,7 @@
 ! Check that flang driver can handle multiple inputs at once.
 
 ! RUN: %clang --driver-mode=flang -### -fsyntax-only %S/Inputs/one.f90 %S/Inputs/two.f90 2>&1 | FileCheck --check-prefixes=CHECK-SYNTAX-ONLY %s
-! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang-new" "-fc1"
+! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang" "-fc1"
 ! CHECK-SYNTAX-ONLY: "{{[^"]*}}/Inputs/one.f90"
-! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang-new" "-fc1"
+! CHECK-SYNTAX-ONLY-LABEL: "{{[^"]*}}flang" "-fc1"
 ! CHECK-SYNTAX-ONLY: "{{[^"]*}}/Inputs/two.f90"
diff --git a/flang/examples/FlangOmpReport/FlangOmpReport.cpp b/flang/examples/FlangOmpReport/FlangOmpReport.cpp
--- a/flang/examples/FlangOmpReport/FlangOmpReport.cpp
+++ b/flang/examples/FlangOmpReport/FlangOmpReport.cpp
@@ -9,7 +9,7 @@
 // all the OpenMP constructs and clauses and which line they're located on.
 //
 // The plugin may be invoked as:
-// ./bin/flang-new -fc1 -load lib/flangOmpReport.so -plugin flang-omp-report
+// ./bin/flang -fc1 -load lib/flangOmpReport.so -plugin flang-omp-report
 // -fopenmp
 //
 //===----------------------------------------------------------------------===//
diff --git a/flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
--- a/flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ b/flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -100,8 +100,8 @@
 bool executeCompilerInvocation(CompilerInstance *flang) {
   // Honor -help.
   if (flang->getFrontendOpts().showHelp) {
-    clang::driver::getDriverOptTable().printHelp(llvm::outs(),
-        "flang-new -fc1 [options] file...", "LLVM 'Flang' Compiler",
+    clang::driver::getDriverOptTable().printHelp(
+        llvm::outs(), "flang -fc1 [options] file...", "LLVM 'Flang' Compiler",
         /*Include=*/clang::driver::options::FC1Option,
         /*Exclude=*/llvm::opt::DriverFlag::HelpHidden,
         /*ShowAllAliases=*/false);
diff --git a/flang/test/CMakeLists.txt b/flang/test/CMakeLists.txt
--- a/flang/test/CMakeLists.txt
+++ b/flang/test/CMakeLists.txt
@@ -46,7 +46,7 @@
   flang_site_config=${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py)
 
 set(FLANG_TEST_DEPENDS
-  flang-new
+  flang
   llvm-config
   FileCheck
   count
diff --git a/flang/test/Driver/disable-ext-name-interop.f90 b/flang/test/Driver/disable-ext-name-interop.f90
--- a/flang/test/Driver/disable-ext-name-interop.f90
+++ b/flang/test/Driver/disable-ext-name-interop.f90
@@ -1,4 +1,4 @@
-! Test that we can disable the ExternalNameConversion pass in flang-new.
+! Test that we can disable the ExternalNameConversion pass in flang.
 
 ! RUN: %flang_fc1 -S %s -o - 2>&1 | FileCheck %s --check-prefix=EXTNAMES
 ! RUN: %flang_fc1 -S -mmlir -disable-external-name-interop %s -o - 2>&1 | FileCheck %s --check-prefix=INTNAMES
diff --git a/flang/test/Driver/driver-help-hidden.f90 b/flang/test/Driver/driver-help-hidden.f90
--- a/flang/test/Driver/driver-help-hidden.f90
+++ b/flang/test/Driver/driver-help-hidden.f90
@@ -1,20 +1,20 @@
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: %flang --help-hidden 2>&1 | FileCheck %s
 ! RUN: not %flang  -help-hidden 2>&1 | FileCheck %s --check-prefix=ERROR-FLANG
 
 !----------------------------------------
-! FLANG FRONTEND DRIVER (flang-new -fc1)
+! FLANG FRONTEND DRIVER (flang -fc1)
 !----------------------------------------
 ! RUN: not %flang_fc1 --help-hidden 2>&1 | FileCheck %s --check-prefix=ERROR-FLANG-FC1
 ! RUN: not %flang_fc1  -help-hidden 2>&1 | FileCheck %s --check-prefix=ERROR-FLANG-FC1
 
 !----------------------------------------------------
-! EXPECTED OUTPUT FOR FLANG DRIVER (flang-new)
+! EXPECTED OUTPUT FOR FLANG DRIVER (flang)
 !----------------------------------------------------
-! CHECK:USAGE: flang-new
+! CHECK:USAGE: flang
 ! CHECK-EMPTY:
 ! CHECK-NEXT:OPTIONS:
 ! CHECK-NEXT: -###      Print (but do not run) the commands to run for this compilation
@@ -70,12 +70,12 @@
 ! CHECK-NEXT: -Xflang <arg>          Pass <arg> to the flang compiler
 
 !-------------------------------------------------------------
-! EXPECTED OUTPUT FOR FLANG DRIVER (flang-new)
+! EXPECTED OUTPUT FOR FLANG DRIVER (flang)
 !-------------------------------------------------------------
 ! ERROR-FLANG: error: unknown argument '-help-hidden'; did you mean '--help-hidden'?
 
 !-------------------------------------------------------------
-! EXPECTED OUTPUT FOR FLANG FRONTEND DRIVER (flang-new -fc1)
+! EXPECTED OUTPUT FOR FLANG FRONTEND DRIVER (flang -fc1)
 !-------------------------------------------------------------
 ! Frontend driver -help-hidden is not supported
 ! ERROR-FLANG-FC1: error: unknown argument: '{{.*}}'
diff --git a/flang/test/Driver/driver-version.f90 b/flang/test/Driver/driver-version.f90
--- a/flang/test/Driver/driver-version.f90
+++ b/flang/test/Driver/driver-version.f90
@@ -10,12 +10,12 @@
 !-----------------------
 ! EXPECTED OUTPUT
 !-----------------------
-! VERSION: flang-new version
+! VERSION: flang version
 ! VERSION-NEXT: Target:
 ! VERSION-NEXT: Thread model:
 ! VERSION-NEXT: InstalledDir:
 
-! ERROR: flang-new: error: unsupported option '--versions'; did you mean '--version'?
+! ERROR: error: unsupported option '--versions'; did you mean '--version'?
 
 ! VERSION-FC1: LLVM version
 
diff --git a/flang/test/Driver/escaped-backslash.f90 b/flang/test/Driver/escaped-backslash.f90
--- a/flang/test/Driver/escaped-backslash.f90
+++ b/flang/test/Driver/escaped-backslash.f90
@@ -1,14 +1,14 @@
 ! Ensure argument -fbackslash works as expected.
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: %flang -E %s  2>&1 | FileCheck %s --check-prefix=ESCAPED
 ! RUN: %flang -E -fbackslash -fno-backslash %s  2>&1 | FileCheck %s --check-prefix=ESCAPED
 ! RUN: %flang -E -fbackslash %s  2>&1 | FileCheck %s --check-prefix=UNESCAPED
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -E %s  2>&1 | FileCheck %s --check-prefix=ESCAPED
 ! RUN: %flang_fc1 -E -fbackslash -fno-backslash %s  2>&1 | FileCheck %s --check-prefix=ESCAPED
diff --git a/flang/test/Driver/fdefault.f90 b/flang/test/Driver/fdefault.f90
--- a/flang/test/Driver/fdefault.f90
+++ b/flang/test/Driver/fdefault.f90
@@ -2,25 +2,25 @@
 ! TODO: Add checks when actual codegen is possible for this family
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang -fsyntax-only -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=NOOPTION
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang -fsyntax-only -fdefault-real-8 -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=REAL8
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang -fsyntax-only -fdefault-real-8 -fdefault-double-8 -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=DOUBLE8
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang -fsyntax-only -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=NOOPTION
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang -fsyntax-only -fdefault-real-8 -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=REAL8
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang -fsyntax-only -fdefault-real-8 -fdefault-double-8 -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=DOUBLE8
 ! RUN: not %flang -fsyntax-only -fdefault-double-8 %s  2>&1 | FileCheck %s --check-prefix=ERROR
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang_fc1 -fsyntax-only -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=NOOPTION
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang_fc1 -fsyntax-only -fdefault-real-8 -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=REAL8
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang_fc1 -fsyntax-only -fdefault-real-8 -fdefault-double-8 -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=DOUBLE8
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang_fc1 -fsyntax-only -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=NOOPTION
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang_fc1 -fsyntax-only -fdefault-real-8 -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=REAL8
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang_fc1 -fsyntax-only -fdefault-real-8 -fdefault-double-8 -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=DOUBLE8
 ! RUN: not %flang_fc1 -fsyntax-only -fdefault-double-8 %s  2>&1 | FileCheck %s --check-prefix=ERROR
 
 !-----------------------------------------
diff --git a/flang/test/Driver/flarge-sizes.f90 b/flang/test/Driver/flarge-sizes.f90
--- a/flang/test/Driver/flarge-sizes.f90
+++ b/flang/test/Driver/flarge-sizes.f90
@@ -2,20 +2,20 @@
 ! TODO: Add checks when actual codegen is possible.
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang -fsyntax-only -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=NOLARGE
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang -fsyntax-only -flarge-sizes -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=LARGE
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang -fsyntax-only -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=NOLARGE
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang -fsyntax-only -flarge-sizes -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=LARGE
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang_fc1 -fsyntax-only -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=NOLARGE
-! RUN: rm -rf %t/dir-flang-new  && mkdir -p %t/dir-flang-new && %flang_fc1 -fsyntax-only -flarge-sizes -module-dir %t/dir-flang-new %s  2>&1
-! RUN: cat %t/dir-flang-new/m.mod | FileCheck %s --check-prefix=LARGE
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang_fc1 -fsyntax-only -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=NOLARGE
+! RUN: rm -rf %t/dir-flang  && mkdir -p %t/dir-flang && %flang_fc1 -fsyntax-only -flarge-sizes -module-dir %t/dir-flang %s  2>&1
+! RUN: cat %t/dir-flang/m.mod | FileCheck %s --check-prefix=LARGE
 
 !-----------------------------------------
 ! EXPECTED OUTPUT WITHOUT -flarge-sizes
diff --git a/flang/test/Driver/frontend-forwarding.f90 b/flang/test/Driver/frontend-forwarding.f90
--- a/flang/test/Driver/frontend-forwarding.f90
+++ b/flang/test/Driver/frontend-forwarding.f90
@@ -1,5 +1,5 @@
-! Test that flang-new forwards Flang frontend
-! options to flang-new -fc1 as expected.
+! Test that flang forwards Flang frontend
+! options to flang -fc1 as expected.
 
 ! RUN: %flang -fsyntax-only -### %s -o %t 2>&1 \
 ! RUN:     -finput-charset=utf-8 \
diff --git a/flang/test/Driver/intrinsic-module-path.f90 b/flang/test/Driver/intrinsic-module-path.f90
--- a/flang/test/Driver/intrinsic-module-path.f90
+++ b/flang/test/Driver/intrinsic-module-path.f90
@@ -4,7 +4,7 @@
 ! default one, causing a CHECKSUM error.
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -fsyntax-only %s  2>&1 | FileCheck %s --allow-empty --check-prefix=WITHOUT
 ! RUN: not %flang_fc1 -fsyntax-only -fintrinsic-modules-path %S/Inputs/ %s  2>&1 | FileCheck %s --check-prefix=GIVEN
diff --git a/flang/test/Driver/macro-def-undef.F90 b/flang/test/Driver/macro-def-undef.F90
--- a/flang/test/Driver/macro-def-undef.F90
+++ b/flang/test/Driver/macro-def-undef.F90
@@ -1,14 +1,14 @@
 ! Ensure arguments -D and -U work as expected.
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: %flang -E -P %s  2>&1 | FileCheck %s --check-prefix=UNDEFINED
 ! RUN: %flang -E -P -DX=A %s  2>&1 | FileCheck %s --check-prefix=DEFINED
 ! RUN: %flang -E -P -DX=A -UX %s  2>&1 | FileCheck %s --check-prefix=UNDEFINED
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -E -P %s  2>&1 | FileCheck %s --check-prefix=UNDEFINED
 ! RUN: %flang_fc1 -E -P -DX=A %s  2>&1 | FileCheck %s --check-prefix=DEFINED
diff --git a/flang/test/Driver/missing-input.f90 b/flang/test/Driver/missing-input.f90
--- a/flang/test/Driver/missing-input.f90
+++ b/flang/test/Driver/missing-input.f90
@@ -1,18 +1,18 @@
 ! Test the behaviour of the driver when input is missing or is invalid. Note
-! that with the compiler driver (flang-new), the input _has_ to be specified.
+! that with the compiler driver (flang), the input _has_ to be specified.
 ! Indeed, the driver decides what "job/command" to create based on the input
 ! file's extension. No input file means that it doesn't know what to do
-! (compile?  preprocess? link?). The frontend driver (flang-new -fc1) simply
+! (compile?  preprocess? link?). The frontend driver (flang -fc1) simply
 ! assumes that "no explicit input == read from stdin"
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: not %flang  2>&1 | FileCheck %s --check-prefix=FLANG-NO-FILE
 ! RUN: not %flang %t.f90 2>&1 | FileCheck %s --check-prefix=FLANG-NONEXISTENT-FILE
 
 !-----------------------------------------
-! FLANG FRONTEND DRIVER (flang-new -fc1)
+! FLANG FRONTEND DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: not %flang_fc1 %t.f90 2>&1  | FileCheck %s --check-prefix=FLANG-FC1-NONEXISTENT-FILE
 ! RUN: not %flang_fc1 %S 2>&1  | FileCheck %s --check-prefix=FLANG-FC1-DIR
@@ -20,10 +20,10 @@
 !-----------------------
 ! EXPECTED OUTPUT
 !-----------------------
-! FLANG-NO-FILE: flang-new: error: no input files
+! FLANG-NO-FILE: error: no input files
 
-! FLANG-NONEXISTENT-FILE: flang-new: error: no such file or directory: {{.*}}
-! FLANG-NONEXISTENT-FILE: flang-new: error: no input files
+! FLANG-NONEXISTENT-FILE: error: no such file or directory: {{.*}}
+! FLANG-NONEXISTENT-FILE: error: no input files
 
 ! FLANG-FC1-NONEXISTENT-FILE: error: {{.*}} does not exist
 ! FLANG-FC1-DIR: error: {{.*}} is not a regular file
diff --git a/flang/test/Driver/predefined-macros-compiler-version.F90 b/flang/test/Driver/predefined-macros-compiler-version.F90
--- a/flang/test/Driver/predefined-macros-compiler-version.F90
+++ b/flang/test/Driver/predefined-macros-compiler-version.F90
@@ -1,12 +1,12 @@
 ! Check that the driver correctly defines macros with the compiler version
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: %flang_fc1 -E %s  2>&1 | FileCheck %s --ignore-case
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -E %s  2>&1 | FileCheck %s --ignore-case
 
diff --git a/flang/test/Driver/std2018-wrong.f90 b/flang/test/Driver/std2018-wrong.f90
--- a/flang/test/Driver/std2018-wrong.f90
+++ b/flang/test/Driver/std2018-wrong.f90
@@ -1,7 +1,7 @@
 ! Ensure argument -std=f2018 works as expected.
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: not %flang_fc1 -std=90 %s  2>&1 | FileCheck %s --check-prefix=WRONG
 
diff --git a/flang/test/Driver/std2018.f90 b/flang/test/Driver/std2018.f90
--- a/flang/test/Driver/std2018.f90
+++ b/flang/test/Driver/std2018.f90
@@ -1,7 +1,7 @@
 ! Ensure argument -std=f2018 works as expected.
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -fsyntax-only %s  2>&1 | FileCheck %s --allow-empty --check-prefix=WITHOUT
 ! RUN: %flang_fc1 -fsyntax-only -std=f2018 %s  2>&1 | FileCheck %s --check-prefix=GIVEN
diff --git a/flang/test/Driver/use-module-error.f90 b/flang/test/Driver/use-module-error.f90
--- a/flang/test/Driver/use-module-error.f90
+++ b/flang/test/Driver/use-module-error.f90
@@ -1,14 +1,14 @@
 ! Ensure that multiple module directories are not allowed
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: not %flang -fsyntax-only -J %S/Inputs/module-dir -J %S/Inputs/ %s  2>&1 | FileCheck %s --check-prefix=DOUBLEINCLUDE
 ! RUN: not %flang -fsyntax-only -J %S/Inputs/module-dir -module-dir %S/Inputs/ %s 2>&1 | FileCheck %s --check-prefix=DOUBLEINCLUDE
 ! RUN: not %flang -fsyntax-only -module-dir %S/Inputs/module-dir -J%S/Inputs/ %s 2>&1 | FileCheck %s --check-prefix=DOUBLEINCLUDE
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: not %flang_fc1 -fsyntax-only -J %S/Inputs/module-dir -J %S/Inputs/ %s 2>&1 | FileCheck %s --check-prefix=DOUBLEINCLUDE
 ! RUN: not %flang_fc1 -fsyntax-only -J %S/Inputs/module-dir -module-dir %S/Inputs/ %s 2>&1 | FileCheck %s --check-prefix=DOUBLEINCLUDE
diff --git a/flang/test/Driver/use-module.f90 b/flang/test/Driver/use-module.f90
--- a/flang/test/Driver/use-module.f90
+++ b/flang/test/Driver/use-module.f90
@@ -1,7 +1,7 @@
 ! Checks that module search directories specified with `-J/-module-dir` and `-I` are handled correctly
 
 !--------------------------
-! FLANG DRIVER (flang-new)
+! FLANG DRIVER (flang)
 !--------------------------
 ! RUN: %flang -fsyntax-only -I %S/Inputs -I %S/Inputs/module-dir %s  2>&1 | FileCheck %s --check-prefix=INCLUDED --allow-empty
 ! RUN: %flang -fsyntax-only -I %S/Inputs -J %S/Inputs/module-dir %s 2>&1 | FileCheck %s --check-prefix=INCLUDED --allow-empty
@@ -16,7 +16,7 @@
 ! RUN: not %flang -fsyntax-only -module-dir %S/Inputs/module-dir %s  2>&1 | FileCheck %s --check-prefix=SINGLEINCLUDE
 
 !-----------------------------------------
-! FRONTEND FLANG DRIVER (flang-new -fc1)
+! FRONTEND FLANG DRIVER (flang -fc1)
 !-----------------------------------------
 ! RUN: %flang_fc1 -fsyntax-only -I %S/Inputs -I %S/Inputs/module-dir %s  2>&1 | FileCheck %s --check-prefix=INCLUDED --allow-empty
 ! RUN: %flang_fc1 -fsyntax-only -I %S/Inputs -J %S/Inputs/module-dir %s 2>&1 | FileCheck %s --check-prefix=INCLUDED --allow-empty
diff --git a/flang/test/Frontend/multiple-input-files.f90 b/flang/test/Frontend/multiple-input-files.f90
--- a/flang/test/Frontend/multiple-input-files.f90
+++ b/flang/test/Frontend/multiple-input-files.f90
@@ -8,8 +8,8 @@
 ! RUN: %flang -E %s %S/Inputs/hello-world.f90 | FileCheck %s --match-full-lines -check-prefix=FLANG
 
 ! TEST 2: None of the files is processed (not possible to specify the output file when multiple input files are present)
-! RUN: not %flang -E -o - %S/Inputs/hello-world.f90 %s  2>&1 | FileCheck %s --match-full-lines -check-prefix=ERROR
-! RUN: not %flang -E -o %t %S/Inputs/hello-world.f90 %s 2>&1 | FileCheck %s --match-full-lines -check-prefix=ERROR
+! RUN: not %flang -E -o - %S/Inputs/hello-world.f90 %s  2>&1 | FileCheck %s -check-prefix=ERROR
+! RUN: not %flang -E -o %t %S/Inputs/hello-world.f90 %s 2>&1 | FileCheck %s -check-prefix=ERROR
 
 !----------------------------------------
 ! FLANG FRONTEND DRIVER (flang -fc1)
@@ -43,7 +43,7 @@
 ! FLANG-NEXT:end program hello
 
 ! TEST 2: `-o` does not when multiple input files are present
-! ERROR: flang-new: error: cannot specify -o when generating multiple output files
+! ERROR: error: cannot specify -o when generating multiple output files
 
 ! TEST 3: The output file _was not_ specified - `flang_fc1` will process all
 ! input files and generate one output file for every input file.
diff --git a/flang/test/Lower/Intrinsics/command_argument_count.f90 b/flang/test/Lower/Intrinsics/command_argument_count.f90
--- a/flang/test/Lower/Intrinsics/command_argument_count.f90
+++ b/flang/test/Lower/Intrinsics/command_argument_count.f90
@@ -1,6 +1,6 @@
 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
-! bbc doesn't have a way to set the default kinds so we use flang-new driver
-! RUN: flang-new -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64  %s
+! bbc doesn't have a way to set the default kinds so we use flang driver
+! RUN: flang -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64  %s
 
 ! CHECK-LABEL: argument_count_test
 subroutine argument_count_test()
diff --git a/flang/test/Lower/Intrinsics/exit.f90 b/flang/test/Lower/Intrinsics/exit.f90
--- a/flang/test/Lower/Intrinsics/exit.f90
+++ b/flang/test/Lower/Intrinsics/exit.f90
@@ -1,6 +1,6 @@
 ! RUN: bbc -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-32 -DDEFAULT_INTEGER_SIZE=32 %s
-! bbc doesn't have a way to set the default kinds so we use flang-new driver
-! RUN: flang-new -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
+! bbc doesn't have a way to set the default kinds so we use flang driver
+! RUN: flang -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
 
 ! CHECK-LABEL: func @_QPexit_test1() {
 subroutine exit_test1
diff --git a/flang/test/Lower/Intrinsics/get_command_argument.f90 b/flang/test/Lower/Intrinsics/get_command_argument.f90
--- a/flang/test/Lower/Intrinsics/get_command_argument.f90
+++ b/flang/test/Lower/Intrinsics/get_command_argument.f90
@@ -1,5 +1,5 @@
 ! RUN: bbc -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-32 -DDEFAULT_INTEGER_SIZE=32 %s
-! RUN: flang-new -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
+! RUN: flang -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
 
 ! CHECK-LABEL: func @_QPnumber_only(
 ! CHECK-SAME: %[[num:.*]]: !fir.ref<i[[DEFAULT_INTEGER_SIZE]]>{{.*}}) {
diff --git a/flang/test/Lower/Intrinsics/get_environment_variable.f90 b/flang/test/Lower/Intrinsics/get_environment_variable.f90
--- a/flang/test/Lower/Intrinsics/get_environment_variable.f90
+++ b/flang/test/Lower/Intrinsics/get_environment_variable.f90
@@ -1,5 +1,5 @@
 ! RUN: bbc -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-32 -DDEFAULT_INTEGER_SIZE=32 %s
-! RUN: flang-new -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
+! RUN: flang -fc1 -fdefault-integer-8 -emit-fir %s -o - | FileCheck --check-prefixes=CHECK,CHECK-64 -DDEFAULT_INTEGER_SIZE=64 %s
 
 ! CHECK-LABEL: func @_QPnumber_only(
 ! CHECK-SAME: %[[nameArg:.*]]: !fir.boxchar<1> {fir.bindc_name = "name"}) {
diff --git a/flang/test/Lower/OpenACC/Todo/acc-declare.f90 b/flang/test/Lower/OpenACC/Todo/acc-declare.f90
--- a/flang/test/Lower/OpenACC/Todo/acc-declare.f90
+++ b/flang/test/Lower/OpenACC/Todo/acc-declare.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenACC declare Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenacc %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenacc %s 2>&1 | FileCheck %s
 
 program main
   real, dimension(10) :: aa, bb
diff --git a/flang/test/Lower/OpenACC/Todo/acc-routine.f90 b/flang/test/Lower/OpenACC/Todo/acc-routine.f90
--- a/flang/test/Lower/OpenACC/Todo/acc-routine.f90
+++ b/flang/test/Lower/OpenACC/Todo/acc-routine.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenACC routine Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenacc %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenacc %s 2>&1 | FileCheck %s
 
 program main
   // CHECK: not yet implemented: OpenACC Routine construct not lowered yet!
diff --git a/flang/test/Lower/OpenMP/Todo/omp-declarative-allocate.f90 b/flang/test/Lower/OpenMP/Todo/omp-declarative-allocate.f90
--- a/flang/test/Lower/OpenMP/Todo/omp-declarative-allocate.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-declarative-allocate.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenMP allocate Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
 
 program main
   integer :: x, y
diff --git a/flang/test/Lower/OpenMP/Todo/omp-declare-reduction.f90 b/flang/test/Lower/OpenMP/Todo/omp-declare-reduction.f90
--- a/flang/test/Lower/OpenMP/Todo/omp-declare-reduction.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-declare-reduction.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenMP declare reduction Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
 
 subroutine declare_red()
   integer :: my_var
diff --git a/flang/test/Lower/OpenMP/Todo/omp-declare-simd.f90 b/flang/test/Lower/OpenMP/Todo/omp-declare-simd.f90
--- a/flang/test/Lower/OpenMP/Todo/omp-declare-simd.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-declare-simd.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenMP declare simd Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
 
 subroutine sub(x, y)
   real, intent(inout) :: x, y
diff --git a/flang/test/Lower/OpenMP/Todo/omp-declare-target.f90 b/flang/test/Lower/OpenMP/Todo/omp-declare-target.f90
--- a/flang/test/Lower/OpenMP/Todo/omp-declare-target.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-declare-target.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenMP declare target Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
 
 module mod1
 contains
diff --git a/flang/test/Lower/OpenMP/Todo/omp-threadprivate.f90 b/flang/test/Lower/OpenMP/Todo/omp-threadprivate.f90
--- a/flang/test/Lower/OpenMP/Todo/omp-threadprivate.f90
+++ b/flang/test/Lower/OpenMP/Todo/omp-threadprivate.f90
@@ -1,6 +1,6 @@
 ! This test checks lowering of OpenMP threadprivate Directive.
 
-// RUN: not flang-new -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
+// RUN: not flang -fc1 -emit-fir -fopenmp %s 2>&1 | FileCheck %s
 
 program main
   integer, save :: x, y
diff --git a/flang/test/lit.cfg.py b/flang/test/lit.cfg.py
--- a/flang/test/lit.cfg.py
+++ b/flang/test/lit.cfg.py
@@ -78,8 +78,8 @@
 # For each occurrence of a flang tool name, replace it with the full path to
 # the build directory holding that tool.
 tools = [
-        ToolSubst('%flang', command=FindTool('flang-new'), unresolved='fatal'),
-    ToolSubst('%flang_fc1', command=FindTool('flang-new'), extra_args=['-fc1'],
+        ToolSubst('%flang', command=FindTool('flang'), unresolved='fatal'),
+    ToolSubst('%flang_fc1', command=FindTool('flang'), extra_args=['-fc1'],
         unresolved='fatal')]
 
 # Flang has several unimplemented features. TODO messages are used to mark and fail if these
diff --git a/flang/tools/f18/CMakeLists.txt b/flang/tools/f18/CMakeLists.txt
--- a/flang/tools/f18/CMakeLists.txt
+++ b/flang/tools/f18/CMakeLists.txt
@@ -35,9 +35,9 @@
   endif()
   add_custom_command(OUTPUT ${base}.mod
     COMMAND ${CMAKE_COMMAND} -E make_directory ${FLANG_INTRINSIC_MODULES_DIR}
-    COMMAND flang-new -fc1 -fsyntax-only -module-dir ${FLANG_INTRINSIC_MODULES_DIR}
+    COMMAND flang -fc1 -fsyntax-only -module-dir ${FLANG_INTRINSIC_MODULES_DIR}
       ${FLANG_SOURCE_DIR}/module/${filename}.f90
-    DEPENDS flang-new ${FLANG_SOURCE_DIR}/module/${filename}.f90 ${depends}
+    DEPENDS flang ${FLANG_SOURCE_DIR}/module/${filename}.f90 ${depends}
   )
   add_custom_command(OUTPUT ${base}.f18.mod
     DEPENDS ${base}.mod
@@ -48,14 +48,14 @@
 
 add_custom_target(module_files ALL DEPENDS ${MODULE_FILES})
 
-# This flang shell script will only work in a POSIX shell.
+# The flang-to-gfortan shell script will only work in a POSIX shell.
 if (NOT WIN32)
   add_custom_command(
-    OUTPUT ${CMAKE_BINARY_DIR}/bin/flang
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/flang
-    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/flang ${CMAKE_BINARY_DIR}/bin)
-  add_custom_target(flang ALL DEPENDS ${CMAKE_BINARY_DIR}/bin/flang)
-  install(PROGRAMS ${CMAKE_BINARY_DIR}/bin/flang DESTINATION "${CMAKE_INSTALL_BINDIR}")
+    OUTPUT ${CMAKE_BINARY_DIR}/bin/flang-to-gfortran
+    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/flang-to-gfortran
+    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/flang-to-gfortran ${CMAKE_BINARY_DIR}/bin)
+  add_custom_target(flang-to-gfortran ALL DEPENDS ${CMAKE_BINARY_DIR}/bin/flang-to-gfortran)
+  install(PROGRAMS ${CMAKE_BINARY_DIR}/bin/flang-to-gfortran DESTINATION "${CMAKE_INSTALL_BINDIR}")
 endif()
 
 # TODO Move this to a more suitable location
diff --git a/flang/tools/f18/flang b/flang/tools/f18/flang-to-gfortran
rename from flang/tools/f18/flang
rename to flang/tools/f18/flang-to-gfortran
diff --git a/flang/tools/flang-driver/CMakeLists.txt b/flang/tools/flang-driver/CMakeLists.txt
--- a/flang/tools/flang-driver/CMakeLists.txt
+++ b/flang/tools/flang-driver/CMakeLists.txt
@@ -10,7 +10,7 @@
   Support
 )
 
-add_flang_tool(flang-new
+add_flang_tool(flang
   driver.cpp
   fc1_main.cpp
 
@@ -23,23 +23,32 @@
   Fortran_main
 )
 
-target_link_libraries(flang-new
+target_link_libraries(flang
   PRIVATE
   flangFrontend
   flangFrontendTool
 )
 
-clang_target_link_libraries(flang-new
+clang_target_link_libraries(flang
   PRIVATE
   clangDriver
   clangBasic
 )
 
+if(WIN32 AND NOT CYGWIN)
+  # Prevent versioning if the buildhost is targeting for Win32.
+else()
+  set_target_properties(flang PROPERTIES VERSION ${FLANG_EXECUTABLE_VERSION})
+endif()
+
 option(FLANG_PLUGIN_SUPPORT "Build Flang with plugin support." ON)
 
-# Enable support for plugins, which need access to symbols from flang-new
+# Enable support for plugins, which need access to symbols from flang
 if(FLANG_PLUGIN_SUPPORT)
-  export_executable_symbols_for_plugins(flang-new)
+  export_executable_symbols_for_plugins(flang)
 endif()
 
-install(TARGETS flang-new DESTINATION "${CMAKE_INSTALL_BINDIR}")
+# For backwords compatibility
+add_flang_symlink(flang-new flang)
+
+install(TARGETS flang DESTINATION "${CMAKE_INSTALL_BINDIR}")
diff --git a/flang/tools/flang-driver/driver.cpp b/flang/tools/flang-driver/driver.cpp
--- a/flang/tools/flang-driver/driver.cpp
+++ b/flang/tools/flang-driver/driver.cpp
@@ -80,7 +80,7 @@
   clang::driver::ParsedClangName targetandMode("flang", "--driver-mode=flang");
   std::string driverPath = getExecutablePath(args[0]);
 
-  // Check if flang-new is in the frontend mode
+  // Check if flang is in the frontend mode
   auto firstArg = std::find_if(
       args.begin() + 1, args.end(), [](const char *a) { return a != nullptr; });
   if (firstArg != args.end()) {
@@ -89,7 +89,7 @@
                    << "Valid tools include '-fc1'.\n";
       return 1;
     }
-    // Call flang-new frontend
+    // Call flang frontend
     if (llvm::StringRef(args[1]).startswith("-fc1")) {
       return executeFC1Tool(args);
     }