[llvm] 0b36a33 - Reland "[Support] Don't include <algorithm> in MathExtras.h"
Nico Weber via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 16 11:07:56 PDT 2021
Author: Nico Weber
Date: 2021-04-16T14:07:45-04:00
New Revision: 0b36a33ab89488a631d5ee9580904a36898c7954
URL: https://github.com/llvm/llvm-project/commit/0b36a33ab89488a631d5ee9580904a36898c7954
DIFF: https://github.com/llvm/llvm-project/commit/0b36a33ab89488a631d5ee9580904a36898c7954.diff
LOG: Reland "[Support] Don't include <algorithm> in MathExtras.h"
This reverts commit af2a93fd6e9f9e037d2e2d67b879fe85d7e1cbed.
This time, add the include to APInt.h, which apparently relied
on getting this include transitively.
Added:
Modified:
llvm/include/llvm/ADT/APInt.h
llvm/include/llvm/Support/MathExtras.h
Removed:
################################################################################
diff --git a/llvm/include/llvm/ADT/APInt.h b/llvm/include/llvm/ADT/APInt.h
index b97ea2cd9aeef..0fca6bac43fd9 100644
--- a/llvm/include/llvm/ADT/APInt.h
+++ b/llvm/include/llvm/ADT/APInt.h
@@ -17,6 +17,7 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MathExtras.h"
+#include <algorithm>
#include <cassert>
#include <climits>
#include <cstring>
diff --git a/llvm/include/llvm/Support/MathExtras.h b/llvm/include/llvm/Support/MathExtras.h
index 640b3a11ce6c2..10d4260a7eb15 100644
--- a/llvm/include/llvm/Support/MathExtras.h
+++ b/llvm/include/llvm/Support/MathExtras.h
@@ -14,7 +14,6 @@
#define LLVM_SUPPORT_MATHEXTRAS_H
#include "llvm/Support/Compiler.h"
-#include <algorithm>
#include <cassert>
#include <climits>
#include <cmath>
@@ -793,7 +792,7 @@ inline int64_t SignExtend64(uint64_t X, unsigned B) {
/// value of the result.
template <typename T>
std::enable_if_t<std::is_unsigned<T>::value, T> AbsoluteDifference(T X, T Y) {
- return std::max(X, Y) - std::min(X, Y);
+ return X > Y ? X - Y : Y - X;
}
/// Add two unsigned integers, X and Y, of type T. Clamp the result to the
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