[llvm] [FMF] Set all bits if needed when setting individual flags. (PR #131321)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 7bae61370d613c7fc0d2e315eecf19755b6f2a71 923ba07f4f6ab109ae41833ab04287744779a895 --extensions h -- llvm/include/llvm/IR/FMF.h
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/IR/FMF.h b/llvm/include/llvm/IR/FMF.h
index d6ecb8f983..b7320ef171 100644
--- a/llvm/include/llvm/IR/FMF.h
+++ b/llvm/include/llvm/IR/FMF.h
@@ -23,16 +23,16 @@ private:
 
   unsigned Flags = 0;
 
-  FastMathFlags(unsigned F) : Flags(F) {
-    setAllBitsIfNeeded();
-  }
+  FastMathFlags(unsigned F) : Flags(F) { setAllBitsIfNeeded(); }
 
   void setAllBitsIfNeeded() {
     // If all 7 bits are set, turn this into -1. If the number of bits grows,
     // this must be updated. This is intended to provide some forward binary
     // compatibility insurance for the meaning of 'fast' in case bits are added.
-    if (Flags == 0x7F) Flags = ~0U;
+    if (Flags == 0x7F)
+      Flags = ~0U;
   }
+
 public:
   // This is how the bits are used in Value::SubclassOptionalData so they
   // should fit there too.

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https://github.com/llvm/llvm-project/pull/131321