[Mlir-commits] [clang] [flang] [mlir] [Flang][Driver]Implemented the support for option -f[no-]optimize-sibling-calls in Flang (PR #216650)

[Tarun Prabhu]

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@@ -0,0 +1,15 @@
+// RUN: fir-opt --function-attr="disable-tail-calls=true" %s | FileCheck %s --check-prefix=ENABLED
+// RUN: fir-opt --function-attr="disable-tail-calls=false" %s | FileCheck %s --check-prefix=DISABLED
+
+func.func @_QPf() {
+  return
+}
+
+// ENABLED: func.func @_QPf() attributes {llvm.disable_tail_calls = true} {
+// ENABLED-NEXT:   return
+// ENABLED-NEXT: }
+
+// DISABLED: func.func @_QPf() {
+// DISABLED-NOT: llvm.disable_tail_calls
+// DISABLED-NEXT:   return
+// DISABLED-NEXT: }
----------------
tarunprabhu wrote:

These are probably not necessary since you mainly want to ensure that the attribute is not present.

https://github.com/llvm/llvm-project/pull/216650