[PATCH] Add intrinsics and SDNodes for umin, umax, smin and smax.

[Gerolf Hoflehner]

REPOSITORY
  rL LLVM

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Comment at: docs/LangRef.rst:9569
@@ +9568,3 @@
+    folding will not do as good a job with these intrinsics as with
+    the canonical, and recommended, ``icmp; select`` sequence given below.
+
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Is there are way to distinguish between user and compiler generated intrinsic? And assert on user?

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Comment at: lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:77
@@ -74,1 +76,3 @@
+  case ISD::UMIN:
+  case ISD::UMAX:        Res = PromoteIntRes_MINMAX(N, N->getOpcode()); break;
   case ISD::SHL:         Res = PromoteIntRes_SHL(N); break;
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just MINMAX(N) would be consistent with (many :-) other  Promote... interfaces.

http://reviews.llvm.org/D9293

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