From a2304db8c017d2ce8c3e78d006b9601407cab4a6 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 20 Apr 2021 11:21:26 +0100
Subject: [PATCH] [Support] APInt.h - remove <algorithm> include. NFCI.

Replace std::min use which should allow us to avoid including the <algorithm> header in every include of APInt.h.
---
 include/llvm/ADT/APInt.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index 0fca6bac43f..0cd4a0c9fc9 100644
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -17,7 +17,6 @@
 
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/MathExtras.h"
-#include <algorithm>
 #include <cassert>
 #include <climits>
 #include <cstring>
@@ -1699,8 +1698,10 @@ public:
   /// \returns BitWidth if the value is zero, otherwise returns the number of
   /// zeros from the least significant bit to the first one bit.
   unsigned countTrailingZeros() const {
-    if (isSingleWord())
-      return std::min(unsigned(llvm::countTrailingZeros(U.VAL)), BitWidth);
+    if (isSingleWord()) {
+      unsigned TrailingZeros = llvm::countTrailingZeros(U.VAL);
+      return (TrailingZeros > BitWidth ? BitWidth : TrailingZeros);
+    }
     return countTrailingZerosSlowCase();
   }