// RUN: %target-swift-frontend -primary-file %s -emit-ir | %FileCheck %s -check-prefix CHECK --check-prefix=CHECK-%target-abi --check-prefix=CHECK-%target-abi-%target-os
// RUN: %target-swift-frontend -primary-file %s -emit-ir -Xcc -mno-omit-leaf-frame-pointer | %FileCheck %s -check-prefix CHECK-ALL --check-prefix=CHECK-%target-abi-ALL
// RUN: %target-swift-frontend -primary-file %s -S | %FileCheck %s  --check-prefix=CHECKASM --check-prefix=CHECKASM-%target-os-%target-cpu
// RUN: %target-swift-frontend -primary-file %s -emit-ir -Xcc -momit-leaf-frame-pointer | %FileCheck %s -check-prefix LEAF --check-prefix=LEAF-%target-abi
// RUN: %target-swift-frontend -primary-file %s -emit-ir -Xcc -fomit-frame-pointer | %FileCheck %s --check-prefix=NOFP

// REQUIRES: CPU=x86_64

sil_stage canonical

import Swift

sil @leaf_function_no_frame_pointer : $@convention(thin) (Int32) -> Int32 {
entry(%i : $Int32):
  return %i : $Int32
}

sil @non_leaf_function_with_frame_pointer : $@convention(thin) (Int32) -> Int32 {
entry(%i : $Int32):
  %f = function_ref @leaf_function_no_frame_pointer : $@convention(thin) (Int32) -> Int32
  %r = apply %f(%i) : $@convention(thin) (Int32) -> Int32
  return %r : $Int32
}

// CHECK: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
// CHECK: entry:
// CHECK:   ret i32 %0
// CHECK: }

// CHECK: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
// CHECK: entry:
// CHECK:   %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
// CHECK:   ret i32 %1

// CHECK-SYSV: }
// CHECK-SYSV-macosx: attributes [[ATTR]] = { {{.*}}"frame-pointer"="all"
// CHECK-SYSV-linux-gnu: attributes [[ATTR]] = { {{.*}}"frame-pointer"="all"
// CHECK-SYSV-linux-android: attributes [[ATTR]] = { {{.*}}"frame-pointer"="non-leaf"
// CHECK-WIN: }
// CHECK-WIN: attributes [[ATTR]] = { {{.*}}

// CHECK-ALL: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
// CHECK-ALL: entry:
// CHECK-ALL:   ret i32 %0
// CHECK-ALL: }

// CHECK-ALL: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
// CHECK-ALL: entry:
// CHECK-ALL:   %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
// CHECK-ALL:   ret i32 %1
// CHECK-ALL: }

// CHECK-SYSV-ALL: attributes [[ATTR]] = {{{.*}}"frame-pointer"="all"
// CHECK-WIN-ALL: attributes [[ATTR]] = {{{.*}}

// LEAF: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
// LEAF: entry:
// LEAF:   ret i32 %0
// LEAF: }

// LEAF: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
// LEAF: entry:
// LEAF:   %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
// LEAF:   ret i32 %1
// LEAF: }

// LEAF-SYSV: attributes [[ATTR]] = {{{.*}}"frame-pointer"="non-leaf"
// LEAF-WIN: attributes [[ATTR]] = {{{.*}}

// NOFP: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
// NOFP: entry:
// NOFP:   ret i32 %0
// NOFP: }

// NOFP: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
// NOFP: entry:
// NOFP:   %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
// NOFP:   ret i32 %1
// NOFP: }

// The clang frontend's -fomit-frame-pointer no longer leads to frame-pointer=none
// attributes [[ATTR]] = {{{.*}}

// Silence other os-archs.
// CHECKASM: {{.*}}

// CHECKASM-macosx-x86_64-LABEL: _leaf_function_no_frame_pointer:
// CHECKASM-macosx-x86_64: push
// CHECKASM-macosx-x86_64: movl    %edi, %eax
// CHECKASM-macosx-x86_64: pop
// CHECKASM-macosx-x86_64: ret


// CHECKASM-macosx-x86_64-LABEL: _non_leaf_function_with_frame_pointer:
// CHECKASM-macosx-x86_64:   pushq %rbp
// CHECKASM-macosx-x86_64:   movq %rsp, %rbp
// CHECKASM-macosx-x86_64:   callq _leaf_function_no_frame_pointer
// CHECKASM-macosx-x86_64:   popq %rbp
// CHECKASM-macosx-x86_64:   ret