[clang] [llvm] [TargetParser] Parse Intel GPU architecture names, and use the list in clang (PR #223199)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h,c -- llvm/include/llvm/TargetParser/IntelGPUTargetParser.h llvm/lib/TargetParser/IntelGPUTargetParser.cpp llvm/unittests/TargetParser/IntelGPUTargetParserTest.cpp clang/include/clang/Basic/OffloadArch.h clang/lib/Basic/OffloadArch.cpp clang/test/Misc/target-invalid-cpu-note/nvptx.c clang/tools/offload-arch/LevelZeroArch.cpp clang/unittests/Basic/OffloadArchTest.cpp clang/unittests/offload-arch/OffloadArchTest.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/TargetParser/IntelGPUTargetParser.cpp b/llvm/lib/TargetParser/IntelGPUTargetParser.cpp
index 8dccc60d8..c77dccfc7 100644
--- a/llvm/lib/TargetParser/IntelGPUTargetParser.cpp
+++ b/llvm/lib/TargetParser/IntelGPUTargetParser.cpp
@@ -111,10 +111,10 @@ GPUKind llvm::IntelGPU::parseArch(StringRef Name) {
 #define IGCA_SUFFIX_RenderExact "ra"
 
 StringRef llvm::IntelGPU::getIGCAName(GPUKind Kind) {
-  // Unlike the NVPTX virtual architecture name, this is not a column of its own:
-  // the level and the suffix already spell it, and a column would let the three
-  // disagree. Both parts are known at compile time, so each row yields one
-  // literal rather than a string built on demand.
+  // Unlike the NVPTX virtual architecture name, this is not a column of its
+  // own: the level and the suffix already spell it, and a column would let the
+  // three disagree. Both parts are known at compile time, so each row yields
+  // one literal rather than a string built on demand.
   switch (Kind) {
   case GK_NONE:
     return "";

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https://github.com/llvm/llvm-project/pull/223199