[llvm-branch-commits] [llvm] 2d8cc54 - [Hexagon] Workaround for compilation error with VS2017

[Krzysztof Parzyszek via llvm-branch-commits]

Author: Krzysztof Parzyszek
Date: 2020-12-11T15:11:44-06:00
New Revision: 2d8cc5479b9e9eb96a0e7f70f473c03b82f4084c

URL: https://github.com/llvm/llvm-project/commit/2d8cc5479b9e9eb96a0e7f70f473c03b82f4084c
DIFF: https://github.com/llvm/llvm-project/commit/2d8cc5479b9e9eb96a0e7f70f473c03b82f4084c.diff

LOG: [Hexagon] Workaround for compilation error with VS2017

Added: 
    

Modified: 
    llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp b/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
index 7791fb9a1a74..cee620e03b00 100644
--- a/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
@@ -292,8 +292,16 @@ template <> StoreInst *isCandidate<StoreInst>(Instruction *In) {
   return getIfUnordered(dyn_cast<StoreInst>(In));
 }
 
+#if !defined(_MSC_VER) || _MSC_VER >= 1920
+// VS2017 has trouble compiling this:
+// error C2976: 'std::map': too few template arguments
 template <typename Pred, typename... Ts>
-void erase_if(std::map<Ts...> &map, Pred p) {
+void erase_if(std::map<Ts...> &map, Pred p)
+#else
+template <typename Pred, typename T, typename U>
+void erase_if(std::map<T, U> &map, Pred p)
+#endif
+{
   for (auto i = map.begin(), e = map.end(); i != e;) {
     if (p(*i))
       i = map.erase(i);