[llvm] X86: Add prefetch insertion based on Propeller profile (PR #166324)

[Simon Pilgrim via llvm-commits]

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@@ -348,24 +356,24 @@ class MachineBasicBlock
   LLVM_ABI bool sizeWithoutDebugLargerThan(unsigned Limit) const;
   bool empty() const { return Insts.empty(); }
 
-  MachineInstr       &instr_front()       { return Insts.front(); }
-  MachineInstr       &instr_back()        { return Insts.back();  }
+  MachineInstr &instr_front() { return Insts.front(); }
+  MachineInstr &instr_back() { return Insts.back(); }
   const MachineInstr &instr_front() const { return Insts.front(); }
-  const MachineInstr &instr_back()  const { return Insts.back();  }
-
-  MachineInstr       &front()             { return Insts.front(); }
-  MachineInstr       &back()              { return *--end();      }
-  const MachineInstr &front()       const { return Insts.front(); }
-  const MachineInstr &back()        const { return *--end();      }
-
-  instr_iterator                instr_begin()       { return Insts.begin();  }
-  const_instr_iterator          instr_begin() const { return Insts.begin();  }
-  instr_iterator                  instr_end()       { return Insts.end();    }
-  const_instr_iterator            instr_end() const { return Insts.end();    }
-  reverse_instr_iterator       instr_rbegin()       { return Insts.rbegin(); }
+  const MachineInstr &instr_back() const { return Insts.back(); }
+
+  MachineInstr &front() { return Insts.front(); }
+  MachineInstr &back() { return *--end(); }
+  const MachineInstr &front() const { return Insts.front(); }
+  const MachineInstr &back() const { return *--end(); }
+
+  instr_iterator instr_begin() { return Insts.begin(); }
+  const_instr_iterator instr_begin() const { return Insts.begin(); }
+  instr_iterator instr_end() { return Insts.end(); }
+  const_instr_iterator instr_end() const { return Insts.end(); }
+  reverse_instr_iterator instr_rbegin() { return Insts.rbegin(); }
   const_reverse_instr_iterator instr_rbegin() const { return Insts.rbegin(); }
-  reverse_instr_iterator       instr_rend  ()       { return Insts.rend();   }
-  const_reverse_instr_iterator instr_rend  () const { return Insts.rend();   }
+  reverse_instr_iterator instr_rend() { return Insts.rend(); }
+  const_reverse_instr_iterator instr_rend() const { return Insts.rend(); }
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RKSimon wrote:

(style) don't clang-format lines in a file unaffected by a patch

https://github.com/llvm/llvm-project/pull/166324