[llvm] aa7f820 - [IR] Add helpers for `NUWAddLike` and `NSWAddLike` to also match `or disjoint`; NFC

[Noah Goldstein via llvm-commits]

Author: Noah Goldstein
Date: 2024-03-21T13:03:38-05:00
New Revision: aa7f8200ac29823e6c662d1f41763c2509514161

URL: https://github.com/llvm/llvm-project/commit/aa7f8200ac29823e6c662d1f41763c2509514161
DIFF: https://github.com/llvm/llvm-project/commit/aa7f8200ac29823e6c662d1f41763c2509514161.diff

LOG: [IR] Add helpers for `NUWAddLike` and `NSWAddLike` to also match `or disjoint`; NFC

`or disjoint` implies `add nuw nsw`: https://alive2.llvm.org/ce/z/VABhDA

Added: 
    

Modified: 
    llvm/include/llvm/IR/PatternMatch.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/IR/PatternMatch.h b/llvm/include/llvm/IR/PatternMatch.h
index 382009d9df785d..04feb1fd17fd62 100644
--- a/llvm/include/llvm/IR/PatternMatch.h
+++ b/llvm/include/llvm/IR/PatternMatch.h
@@ -1319,6 +1319,26 @@ m_AddLike(const LHS &L, const RHS &R) {
   return m_CombineOr(m_Add(L, R), m_DisjointOr(L, R));
 }
 
+/// Match either "add nsw" or "or disjoint"
+template <typename LHS, typename RHS>
+inline match_combine_or<
+    OverflowingBinaryOp_match<LHS, RHS, Instruction::Add,
+                              OverflowingBinaryOperator::NoSignedWrap>,
+    DisjointOr_match<LHS, RHS>>
+m_NSWAddLike(const LHS &L, const RHS &R) {
+  return m_CombineOr(m_NSWAdd(L, R), m_DisjointOr(L, R));
+}
+
+/// Match either "add nuw" or "or disjoint"
+template <typename LHS, typename RHS>
+inline match_combine_or<
+    OverflowingBinaryOp_match<LHS, RHS, Instruction::Add,
+                              OverflowingBinaryOperator::NoUnsignedWrap>,
+    DisjointOr_match<LHS, RHS>>
+m_NUWAddLike(const LHS &L, const RHS &R) {
+  return m_CombineOr(m_NUWAdd(L, R), m_DisjointOr(L, R));
+}
+
 //===----------------------------------------------------------------------===//
 // Class that matches a group of binary opcodes.
 //