[llvm] [CMake][Windows] Fix Debug config build when using MSBuild (PR #111765)

[NAKAMURA Takumi via llvm-commits]

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@@ -191,9 +191,13 @@ macro(add_tablegen target project)
 
   # FIXME: Quick fix to reflect LLVM_TABLEGEN to llvm-min-tblgen
   if("${target}" STREQUAL "llvm-min-tblgen"
-      AND NOT "${LLVM_TABLEGEN}" STREQUAL ""
-      AND NOT "${LLVM_TABLEGEN}" STREQUAL "llvm-tblgen")
-    set(${project}_TABLEGEN_DEFAULT "${LLVM_TABLEGEN}")
+      AND NOT "${LLVM_TABLEGEN}" STREQUAL "")
+    # Extract base filename from full path.
+    get_filename_component(RAW_LLVM_TABLEGEN ${LLVM_TABLEGEN} NAME_WE)
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chapuni wrote:

I wonder `get_filename_component` would be applicable here.
Would it match if `${LLVM_TABLEGEN}` points the explicit out-of-tree `/path/to/llvm-tblgen.exe`?

`${LLVM_HOST_EXECUTABLE_SUFFIX}` may be available here, I guess.

https://github.com/llvm/llvm-project/pull/111765