[Mlir-commits] [mlir] [mlir] Guard sccp pass from crashing with different source type (PR #120656)

[donald chen]

================
@@ -246,3 +246,16 @@ func.func @op_with_region() -> (i32) {
 ^b:
   return %1 : i32
 }
+
+// CHECK-LABEL: no_crash_with_different_source_type
+func.func @no_crash_with_different_source_type() {
+  // CHECK: llvm.mlir.constant(0 : index) : i64
+  %0 = llvm.mlir.constant(0 : index) : i64
+  llvm.br ^b1(%0 : i64)
+^b1(%1: i64):  
+  llvm.br ^b2
+^b2: 
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cxy-1993 wrote:

It is recommended to simplify test by removing these branch ops and bbs

https://github.com/llvm/llvm-project/pull/120656