[clang] [llvm] [InstCombine] Infer disjoint flag on Or instructions. (PR #72912)

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``````````bash
git-clang-format --diff f4c6947a18d5c07d5743eb435c2854e61804ad24 3eb1a2a89ea0fe431545fe0013eff0b245837016 -- clang/test/CodeGen/aarch64-ls64-inline-asm.c clang/test/CodeGen/ms-intrinsics.c llvm/include/llvm/AsmParser/LLToken.h llvm/include/llvm/Bitcode/LLVMBitCodes.h llvm/include/llvm/IR/InstrTypes.h llvm/include/llvm/IR/Instruction.h llvm/lib/AsmParser/LLLexer.cpp llvm/lib/AsmParser/LLParser.cpp llvm/lib/Bitcode/Reader/BitcodeReader.cpp llvm/lib/Bitcode/Writer/BitcodeWriter.cpp llvm/lib/IR/AsmWriter.cpp llvm/lib/IR/Instruction.cpp llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp llvm/lib/Transforms/Scalar/Reassociate.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 83147e871f..aa2c80e5f0 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -2066,7 +2066,9 @@ bool LLParser::parseOptionalCallingConv(unsigned &CC) {
     break;
   case lltok::kw_amdgpu_kernel:  CC = CallingConv::AMDGPU_KERNEL; break;
   case lltok::kw_tailcc:         CC = CallingConv::Tail; break;
-  case lltok::kw_m68k_rtdcc:     CC = CallingConv::M68k_RTD; break;
+  case lltok::kw_m68k_rtdcc:
+    CC = CallingConv::M68k_RTD;
+    break;
   case lltok::kw_cc: {
       Lex.Lex();
       return parseUInt32(CC);
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 8ea33c71dc..95673eb364 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -306,7 +306,9 @@ static void PrintCallingConv(unsigned cc, raw_ostream &Out) {
   case CallingConv::PreserveAll:   Out << "preserve_allcc"; break;
   case CallingConv::CXX_FAST_TLS:  Out << "cxx_fast_tlscc"; break;
   case CallingConv::GHC:           Out << "ghccc"; break;
-  case CallingConv::Tail:          Out << "tailcc"; break;
+  case CallingConv::Tail:
+    Out << "tailcc";
+    break;
   case CallingConv::CFGuard_Check: Out << "cfguard_checkcc"; break;
   case CallingConv::X86_StdCall:   Out << "x86_stdcallcc"; break;
   case CallingConv::X86_FastCall:  Out << "x86_fastcallcc"; break;

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https://github.com/llvm/llvm-project/pull/72912