[clang] Reland "[Win32][ELF] Make CodeView a DebugInfoFormat only for COFF format", second try (PR #88245)

[Phoebe Wang via cfe-commits]

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@@ -5,15 +5,15 @@
 // NO_GHASH-NOT: "-gcodeview-ghash"
 
 // default
-// RUN: %clang_cl /Z7 -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
+// RUN: %clang_cl -target x86_64-windows /Z7 -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
 // enabled
-// RUN: %clang_cl /Z7 -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=GHASH %s
+// RUN: %clang_cl -target x86_64-windows /Z7 -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=GHASH %s
 // disabled
-// RUN: %clang_cl /Z7 -gcodeview-ghash -gno-codeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
+// RUN: %clang_cl -target x86_64-windows /Z7 -gcodeview-ghash -gno-codeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
 
 // enabled, no /Z7
-// RUN: %clang_cl -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
+// RUN: %clang_cl -target x86_64-windows -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
 
 // GCC-style driver
-// RUN: %clang -g -gcodeview -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=GHASH %s
-// RUN: %clang -g -gcodeview -gcodeview-ghash -gno-codeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=NO_GHASH %s
+// RUN: %clang -target x86_64-windows -g -gcodeview -gcodeview-ghash -### -- %s 2>&1 | FileCheck -check-prefix=GHASH %s
----------------
phoebewang wrote:

Not only clang driver, but also clang-cl. The root cause is many target don't set BinFormat to COFF on Windows. This probably because they don't support Windows at all, but we need to exclude them to run this test to avoid the unused-command-line-argument warning.

https://github.com/llvm/llvm-project/pull/88245