================
@@ -2017,6 +2169,74 @@ def : Pat<(binop_allwusers<add> GPR:$rs1,
(AddiPair:$rs2)),
}
//===----------------------------------------------------------------------===//
+
+// MIPS extensions
+//===----------------------------------------------------------------------===//
+
+let Predicates = [UsesMIPSCMov] in {
+def : Pat<(select (XLenVT (setne (XLenVT GPR:$rs2), (XLenVT 0))),
+ (XLenVT GPR:$rs1), (XLenVT GPR:$rs3)),
+ (CCMOV GPR:$rs1, GPR:$rs2, GPR:$rs3)>;
+def : Pat<(select (XLenVT (seteq (XLenVT GPR:$rs2), (XLenVT 0))),
+ (XLenVT GPR:$rs3), (XLenVT GPR:$rs1)),
+ (CCMOV GPR:$rs1, GPR:$rs2, GPR:$rs3)>;
+def : Pat<(select (XLenVT (setne (XLenVT GPR:$x), (XLenVT simm12_plus1:$y))),
+ (XLenVT GPR:$rs1), (XLenVT GPR:$rs3)),
+ (CCMOV GPR:$rs1, (ADDI GPR:$x, (NegImm simm12_plus1:$y)), GPR:$rs3)>;
+def : Pat<(select (XLenVT (seteq (XLenVT GPR:$x), (XLenVT simm12_plus1:$y))),
+ (XLenVT GPR:$rs3), (XLenVT GPR:$rs1)),
+ (CCMOV GPR:$rs1, (ADDI GPR:$x, (NegImm simm12_plus1:$y)), GPR:$rs3)>;
+def : Pat<(select (XLenVT (setne (XLenVT GPR:$x), (XLenVT GPR:$y))),
+ (XLenVT GPR:$rs1), (XLenVT GPR:$rs3)),
+ (CCMOV GPR:$rs1, (XOR GPR:$x, GPR:$y), GPR:$rs3)>;
+def : Pat<(select (XLenVT (seteq (XLenVT GPR:$x), (XLenVT GPR:$y))),
+ (XLenVT GPR:$rs3), (XLenVT GPR:$rs1)),
+ (CCMOV GPR:$rs1, (XOR GPR:$x, GPR:$y), GPR:$rs3)>;
+def : Pat<(select (XLenVT (setuge (XLenVT GPR:$x), (XLenVT GPR:$y))),
+ (XLenVT GPR:$rs3), (XLenVT GPR:$rs1)),
+ (CCMOV GPR:$rs1, (SLTU GPR:$x, GPR:$y), GPR:$rs3)>;
+def : Pat<(select (XLenVT (setule (XLenVT GPR:$y), (XLenVT GPR:$x))),
----------------
djtodoro wrote:
Addressed in https://github.com/llvm/llvm-project/pull/121394
https://github.com/llvm/llvm-project/pull/117865
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