================
@@ -10,3 +10,19 @@
! RUN: %flang -fno-omit-frame-pointer --target=x86-none-none -fsyntax-only
-### %s -o %t 2>&1 | FileCheck %s --check-prefix=CHECK-ALLFP
! CHECK-ALLFP: "-fc1"{{.*}}"-mframe-pointer=all"
+
+! RUN: %flang -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
--target=aarch64-none-none -fsyntax-only -### %s -o %t 2>&1 | FileCheck %s
--check-prefix=CHECK-FRAME-POINTER-ALL
+! CHECK-FRAME-POINTER-ALL: "-fc1"{{.*}}"-mframe-pointer=all"
+
+! RUN: %flang -fno-omit-frame-pointer -momit-leaf-frame-pointer
--target=x86_64-unknown-linux-gnu -fsyntax-only -### %s -o %t 2>&1 | FileCheck
%s --check-prefix=CHECK-X86-NONLEAF
+! CHECK-X86-NONLEAF: "-fc1"{{.*}}"-mframe-pointer=non-leaf-no-reserve"
+
+! RUN: %flang -fno-omit-frame-pointer -momit-leaf-frame-pointer
-mno-omit-leaf-frame-pointer --target=x86_64-unknown-linux-gnu -fsyntax-only
-### %s -o %t 2>&1 | FileCheck %s --check-prefix=CHECK-LAST-WINS
+! CHECK-LAST-WINS: "-fc1"{{.*}}"-mframe-pointer=all"
+
+! Without -fno-omit-frame-pointer the leaf option is silently allowed but has
no effect, matching Clang's behavior.
+! RUN: %flang -momit-leaf-frame-pointer --target=x86_64-unknown-linux-gnu -O2
-fsyntax-only -### %s -o %t 2>&1 | FileCheck %s --check-prefix=CHECK-LEAF-ONLY
----------------
kaviya2510 wrote:
Yes its needed. Other than `-O0`, the behaviour of options change for
`-O1/-O2/-O3`
https://github.com/llvm/llvm-project/pull/216700
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