[llvm] [RISCV] Add a check in lowerSELECT after foldBinOpIntoSelectIfProfitable (PR #97391)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,13 @@
+; RUN: llc -mtriple=riscv64 -mattr=+m < %s  | FileCheck  %s
+
+define i64 @fold_binop_into_select_return_constant(i1 %c) {
+; CHECK-LABEL: fold_binop_into_select_return_constant:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    li a0, 0
+; CHECK-NEXT:    ret
+entry:
+  %select1 = select i1 %c, i32 4, i32 8
+  %select2 = sext i32 %select1 to i64
+  %div1 = sdiv i64 %select2, -5141143369814759789
+  ret i64 %div1
+}
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dtcxzyw wrote:

Missing newline.


https://github.com/llvm/llvm-project/pull/97391