https://github.com/farzonl updated 
https://github.com/llvm/llvm-project/pull/133850

>From a3c7c5b35bd48acb49666cdec410a6a31b14941f Mon Sep 17 00:00:00 2001
From: Farzon Lotfi <farzonlo...@microsoft.com>
Date: Sun, 30 Mar 2025 00:59:48 -0400
Subject: [PATCH 1/3] [Clang][Cmake] fix libtool duplicate member name warnings

fixes #133199

PR #132252 Created a second file that shared <TargetName>.cpp in 
`clang/lib/CodeGen/CMakeLists.txt`

For example There were two AMDGPU.cpp's one in TargetBuiltins and the
other in Targets. Even though these were in different directories
libtool warns that it might not distinguish them because they share the same 
base name.

There are two fixes. The easy fix is to rename one of them and keep one
cmake file. That solution though doesn't future proof this problem in
the event of a third <TargetName>.cpp and it seems teams want to
just use the target name
https://github.com/llvm/llvm-project/pull/132252#issuecomment-2758178483.

The alternative fix is to seperate the cmake files into their own sub
directories. I chose to create static libraries.  It might of been
possible to build an OBJECT, but I only saw examples of $<TARGET_OBJECTS:>
in compiler-rt and test directories so assumed there was a reason it wasn't 
used.
---
 clang/lib/CodeGen/CMakeLists.txt              | 49 +++++--------------
 clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp   |  2 +-
 .../lib/CodeGen/TargetBuiltins/CMakeLists.txt | 14 ++++++
 clang/lib/CodeGen/Targets/CMakeLists.txt      | 30 ++++++++++++
 4 files changed, 57 insertions(+), 38 deletions(-)
 create mode 100644 clang/lib/CodeGen/TargetBuiltins/CMakeLists.txt
 create mode 100644 clang/lib/CodeGen/Targets/CMakeLists.txt

diff --git a/clang/lib/CodeGen/CMakeLists.txt b/clang/lib/CodeGen/CMakeLists.txt
index ebe2fbd7db295..cdf9f909a3675 100644
--- a/clang/lib/CodeGen/CMakeLists.txt
+++ b/clang/lib/CodeGen/CMakeLists.txt
@@ -116,45 +116,8 @@ add_clang_library(clangCodeGen
   PatternInit.cpp
   SanitizerMetadata.cpp
   SwiftCallingConv.cpp
-  TargetBuiltins/ARM.cpp
-  TargetBuiltins/AMDGPU.cpp
-  TargetBuiltins/Hexagon.cpp
-  TargetBuiltins/NVPTX.cpp
-  TargetBuiltins/PPC.cpp
-  TargetBuiltins/RISCV.cpp
-  TargetBuiltins/SPIR.cpp
-  TargetBuiltins/SystemZ.cpp
-  TargetBuiltins/WebAssembly.cpp
-  TargetBuiltins/X86.cpp
   TargetInfo.cpp
-  Targets/AArch64.cpp
-  Targets/AMDGPU.cpp
-  Targets/ARC.cpp
-  Targets/ARM.cpp
-  Targets/AVR.cpp
-  Targets/BPF.cpp
-  Targets/CSKY.cpp
-  Targets/DirectX.cpp
-  Targets/Hexagon.cpp
-  Targets/Lanai.cpp
-  Targets/LoongArch.cpp
-  Targets/M68k.cpp
-  Targets/MSP430.cpp
-  Targets/Mips.cpp
-  Targets/NVPTX.cpp
-  Targets/PNaCl.cpp
-  Targets/PPC.cpp
-  Targets/RISCV.cpp
-  Targets/SPIR.cpp
-  Targets/Sparc.cpp
-  Targets/SystemZ.cpp
-  Targets/TCE.cpp
-  Targets/VE.cpp
-  Targets/WebAssembly.cpp
-  Targets/X86.cpp
-  Targets/XCore.cpp
   VarBypassDetector.cpp
-
   DEPENDS
   vt_gen
   intrinsics_gen
@@ -170,4 +133,16 @@ add_clang_library(clangCodeGen
   clangFrontend
   clangLex
   clangSerialization
+  clangCodeGenTargetBuiltins
+  clangCodeGenTargets
+  )
+
+  target_include_directories(clangCodeGen
+    PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/TargetBuiltins
+    ${CMAKE_CURRENT_SOURCE_DIR}/Targets
   )
+  
+  add_subdirectory(TargetBuiltins)
+  add_subdirectory(Targets)
diff --git a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp 
b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
index b56b739094ff3..577fee05d4af6 100644
--- a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
+++ b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
@@ -1,4 +1,4 @@
-//===------- AMDCPU.cpp - Emit LLVM Code for builtins 
---------------------===//
+//===------- AMDGPU.cpp - Emit LLVM Code for builtins 
---------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM 
Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/clang/lib/CodeGen/TargetBuiltins/CMakeLists.txt 
b/clang/lib/CodeGen/TargetBuiltins/CMakeLists.txt
new file mode 100644
index 0000000000000..76be68a11d02a
--- /dev/null
+++ b/clang/lib/CodeGen/TargetBuiltins/CMakeLists.txt
@@ -0,0 +1,14 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+add_clang_library(clangCodeGenTargetBuiltins STATIC
+  ARM.cpp
+  AMDGPU.cpp
+  Hexagon.cpp
+  NVPTX.cpp
+  PPC.cpp
+  RISCV.cpp
+  SPIR.cpp
+  SystemZ.cpp
+  WebAssembly.cpp
+  X86.cpp
+)
diff --git a/clang/lib/CodeGen/Targets/CMakeLists.txt 
b/clang/lib/CodeGen/Targets/CMakeLists.txt
new file mode 100644
index 0000000000000..6b6e7ce5b0b29
--- /dev/null
+++ b/clang/lib/CodeGen/Targets/CMakeLists.txt
@@ -0,0 +1,30 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+add_clang_library(clangCodeGenTargets STATIC
+  AArch64.cpp
+  AMDGPU.cpp
+  ARC.cpp
+  ARM.cpp
+  AVR.cpp
+  BPF.cpp
+  CSKY.cpp
+  DirectX.cpp
+  Hexagon.cpp
+  Lanai.cpp
+  LoongArch.cpp
+  M68k.cpp
+  MSP430.cpp
+  Mips.cpp
+  NVPTX.cpp
+  PNaCl.cpp
+  PPC.cpp
+  RISCV.cpp
+  SPIR.cpp
+  Sparc.cpp
+  SystemZ.cpp
+  TCE.cpp
+  VE.cpp
+  WebAssembly.cpp
+  X86.cpp
+  XCore.cpp
+)

>From c3064286b3ce53b883e271c1f52290eeb52bc229 Mon Sep 17 00:00:00 2001
From: Farzon Lotfi <farzonlo...@microsoft.com>
Date: Mon, 31 Mar 2025 23:40:32 -0400
Subject: [PATCH 2/3] DirectX use of CodeGenModule as input to getHLSLType
 makes it so it has to be compiled in clang/lib/CodeGen/CMakeLists.txt. This
 means clangCodeGenTargets needs to be PARTIAL_SOURCES_INTENDED. or
 clang/lib/CodeGen/Targets/DirectX.cpp needs to be moved to a different
 directory.

---
 clang/lib/CodeGen/CMakeLists.txt         | 2 ++
 clang/lib/CodeGen/Targets/CMakeLists.txt | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang/lib/CodeGen/CMakeLists.txt b/clang/lib/CodeGen/CMakeLists.txt
index cdf9f909a3675..2bf32a6b9d8aa 100644
--- a/clang/lib/CodeGen/CMakeLists.txt
+++ b/clang/lib/CodeGen/CMakeLists.txt
@@ -117,7 +117,9 @@ add_clang_library(clangCodeGen
   SanitizerMetadata.cpp
   SwiftCallingConv.cpp
   TargetInfo.cpp
+  Targets/DirectX.cpp
   VarBypassDetector.cpp
+  
   DEPENDS
   vt_gen
   intrinsics_gen
diff --git a/clang/lib/CodeGen/Targets/CMakeLists.txt 
b/clang/lib/CodeGen/Targets/CMakeLists.txt
index 6b6e7ce5b0b29..531a9461b7201 100644
--- a/clang/lib/CodeGen/Targets/CMakeLists.txt
+++ b/clang/lib/CodeGen/Targets/CMakeLists.txt
@@ -1,6 +1,7 @@
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
 
 add_clang_library(clangCodeGenTargets STATIC
+  PARTIAL_SOURCES_INTENDED
   AArch64.cpp
   AMDGPU.cpp
   ARC.cpp
@@ -8,7 +9,6 @@ add_clang_library(clangCodeGenTargets STATIC
   AVR.cpp
   BPF.cpp
   CSKY.cpp
-  DirectX.cpp
   Hexagon.cpp
   Lanai.cpp
   LoongArch.cpp

>From d00d2468159f2d05ac0f9c885621ef01054d7734 Mon Sep 17 00:00:00 2001
From: Farzon Lotfi <farzonlo...@microsoft.com>
Date: Tue, 1 Apr 2025 02:28:12 -0400
Subject: [PATCH 3/3] remove space

---
 clang/lib/CodeGen/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/CodeGen/CMakeLists.txt b/clang/lib/CodeGen/CMakeLists.txt
index 2bf32a6b9d8aa..bc731af8a4eec 100644
--- a/clang/lib/CodeGen/CMakeLists.txt
+++ b/clang/lib/CodeGen/CMakeLists.txt
@@ -119,7 +119,7 @@ add_clang_library(clangCodeGen
   TargetInfo.cpp
   Targets/DirectX.cpp
   VarBypassDetector.cpp
-  
+
   DEPENDS
   vt_gen
   intrinsics_gen

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