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20f4ef93de
Clang provides options to override that default value. These options are accessible via the -Xcc flag. Some Swift functions explicitly disable the frame pointer. The clang options will not override those.
72 lines
2.4 KiB
Plaintext
72 lines
2.4 KiB
Plaintext
// RUN: %target-swift-frontend -target arm64-apple-ios8.0 -primary-file %s -emit-ir | %FileCheck %s --check-prefix=CHECK
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// RUN: %target-swift-frontend -target arm64-apple-ios8.0 -primary-file %s -emit-ir -Xcc -mno-omit-leaf-frame-pointer| %FileCheck %s --check-prefix=CHECK-ALL
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// RUN: %target-swift-frontend -target arm64-apple-ios8.0 -primary-file %s -S | %FileCheck %s --check-prefix=CHECKASM
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// RUN: %target-swift-frontend -target arm64-apple-ios8.0 -primary-file %s -S -Xcc -mno-omit-leaf-frame-pointer | %FileCheck %s --check-prefix=CHECKASM-ALL
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// REQUIRES: CODEGENERATOR=AArch64
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// REQUIRES: OS=ios
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sil_stage canonical
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import Swift
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sil @leaf_function_no_frame_pointer : $@convention(thin) (Int32) -> Int32 {
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entry(%i : $Int32):
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return %i : $Int32
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}
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sil @non_leaf_function_with_frame_pointer : $@convention(thin) (Int32) -> Int32 {
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entry(%i : $Int32):
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%f = function_ref @leaf_function_no_frame_pointer : $@convention(thin) (Int32) -> Int32
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%r = apply %f(%i) : $@convention(thin) (Int32) -> Int32
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return %r : $Int32
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}
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// CHECK: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
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// CHECK: entry:
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// CHECK: ret i32 %0
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// CHECK: }
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// CHECK: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
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// CHECK: entry:
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// CHECK: %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
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// CHECK: ret i32 %1
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// CHECK: }
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// CHECK: attributes [[ATTR]] = {{{.*}}"frame-pointer"="non-leaf"
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// CHECK-ALL: define{{.*}} swiftcc i32 @leaf_function_no_frame_pointer(i32 %0) [[ATTR:#.*]] {
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// CHECK-ALL: entry:
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// CHECK-ALL: ret i32 %0
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// CHECK-ALL: }
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// CHECK-ALL: define{{.*}} swiftcc i32 @non_leaf_function_with_frame_pointer(i32 %0) [[ATTR]] {
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// CHECK-ALL: entry:
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// CHECK-ALL: %1 = call swiftcc i32 @leaf_function_no_frame_pointer(i32 %0)
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// CHECK-ALL: ret i32 %1
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// CHECK-ALL: }
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// CHECK-ALL: attributes [[ATTR]] = {{{.*}}"frame-pointer"="all"
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// CHECKASM-LABEL: _leaf_function_no_frame_pointer:
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// CHECKASM-NOT: stp
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// CHECKASM-NOT: ldp
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// CHECKASM: ret
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// CHECKASM-LABEL: _non_leaf_function_with_frame_pointer:
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// CHECKASM: stp
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// CHECKASM: _leaf_function_no_frame_pointer
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// CHECKASM: ldp
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// CHECKASM: ret
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// CHECKASM-ALL-LABEL: _leaf_function_no_frame_pointer:
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// CHECKASM-ALL: stp
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// CHECKASM-ALL: ldp
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// CHECKASM-ALL: ret
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// CHECKASM-ALL-LABEL: _non_leaf_function_with_frame_pointer:
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// CHECKASM-ALL: stp
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// CHECKASM-ALL: _leaf_function_no_frame_pointer
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// CHECKASM-ALL: ldp
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// CHECKASM-ALL: ret
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