R600/SI: Make more unordered comparisons legal
This saves a second compare and an and / or by using
the unordered comparison instructions.
llvm-svn: 224066
diff --git a/llvm/lib/Target/R600/AMDGPUInstructions.td b/llvm/lib/Target/R600/AMDGPUInstructions.td
index c746d2e..4e536c3 100644
--- a/llvm/lib/Target/R600/AMDGPUInstructions.td
+++ b/llvm/lib/Target/R600/AMDGPUInstructions.td
@@ -103,7 +103,7 @@
def COND_UO : PatLeaf <(cond), [{return N->get() == ISD::SETUO;}]>;
//===----------------------------------------------------------------------===//
-// PatLeafs for unsigned comparisons
+// PatLeafs for unsigned / unordered comparisons
//===----------------------------------------------------------------------===//
def COND_UEQ : PatLeaf <(cond), [{return N->get() == ISD::SETUEQ;}]>;