[Mlir-commits] [mlir] [MLIR][SCF] Define `-scf-rotate-while` pass (PR #99850)

Mehdi Amini llvmlistbot at llvm.org
Mon Jul 29 09:45:21 PDT 2024


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@@ -20,7 +20,7 @@ func.func @wrap_while_loop_in_zero_trip_check(%bound : i32) -> i32 {
 // CHECK-SAME:      %[[BOUND:.*]]: i32) -> i32 {
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : i32
 // CHECK-DAG:     %[[C5:.*]] = arith.constant 5 : i32
-// CHECK-DAG:     %[[PRE_COND:.*]] = arith.cmpi slt, %[[C0]], %[[BOUND]] : i32
+// CHECK-DAG:     %[[PRE_COND:.*]] = arith.cmpi sgt, %[[BOUND]], %[[C0]] : i32
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joker-eph wrote:

Do you know why is your change triggering this?

But also I'm still unsure why this folding is correct?

https://github.com/llvm/llvm-project/pull/99850


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