From 0ab4edd02e867c3d3ebb6cb1c687092eefc6e15d Mon Sep 17 00:00:00 2001
From: Florian Hahn <flo@fhahn.com>
Date: Tue, 9 Jun 2020 14:04:13 +0100
Subject: [PATCH] [PatternMatch] Support matching intrinsics with 6 arguments.

I couldn't find a generic intrinsic with 6 arguments in tree for a
unit test, but soon there will be one.
---
 llvm/include/llvm/IR/PatternMatch.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/llvm/include/llvm/IR/PatternMatch.h b/llvm/include/llvm/IR/PatternMatch.h
index feb2da0..5f1c8b8 100644
--- a/llvm/include/llvm/IR/PatternMatch.h
+++ b/llvm/include/llvm/IR/PatternMatch.h
@@ -1920,6 +1920,12 @@ struct m_Intrinsic_Ty<T0, T1, T2, T3, T4> {
                                Argument_match<T4>>;
 };
 
+template <typename T0, typename T1, typename T2, typename T3, typename T4, typename T5>
+struct m_Intrinsic_Ty<T0, T1, T2, T3, T4, T5> {
+  using Ty = match_combine_and<typename m_Intrinsic_Ty<T0, T1, T2, T3, T4>::Ty,
+                               Argument_match<T5>>;
+};
+
 /// Match intrinsic calls like this:
 /// m_Intrinsic<Intrinsic::fabs>(m_Value(X))
 template <Intrinsic::ID IntrID> inline IntrinsicID_match m_Intrinsic() {
@@ -1959,6 +1965,15 @@ m_Intrinsic(const T0 &Op0, const T1 &Op1, const T2 &Op2, const T3 &Op3,
                       m_Argument<4>(Op4));
 }
 
+template <Intrinsic::ID IntrID, typename T0, typename T1, typename T2,
+          typename T3, typename T4, typename T5>
+inline typename m_Intrinsic_Ty<T0, T1, T2, T3, T4, T5>::Ty
+m_Intrinsic(const T0 &Op0, const T1 &Op1, const T2 &Op2, const T3 &Op3,
+            const T4 &Op4, const T5 &Op5) {
+  return m_CombineAnd(m_Intrinsic<IntrID>(Op0, Op1, Op2, Op3, Op4),
+                      m_Argument<5>(Op5));
+}
+
 // Helper intrinsic matching specializations.
 template <typename Opnd0>
 inline typename m_Intrinsic_Ty<Opnd0>::Ty m_BitReverse(const Opnd0 &Op0) {
-- 
2.7.4