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|
; RUN: llc -o - %s | FileCheck --check-prefix=SELDAG --check-prefix=CHECK %s
; RUN: llc -global-isel -o - %s | FileCheck --check-prefix=GISEL --check-prefix=CHECK %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios"
declare ptr @foo0(i32)
declare ptr @foo1()
declare void @llvm.objc.release(ptr)
declare void @objc_object(ptr)
declare void @foo2(ptr)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
declare ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1))
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
%struct.S = type { i8 }
@g = dso_local global ptr null, align 8
@fptr = dso_local global ptr null, align 8
define dso_local ptr @rv_marker_1_retain() {
; CHECK-LABEL: _rv_marker_1_retain:
; CHECK: bl _foo1
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
;
entry:
%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
ret ptr %call
}
define dso_local ptr @rv_marker_1_unsafeClaim() {
; CHECK-LABEL: _rv_marker_1_unsafeClaim:
; CHECK: bl _foo1
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_unsafeClaimAutoreleasedReturnValue
;
entry:
%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_unsafeClaimAutoreleasedReturnValue) ]
ret ptr %call
}
define dso_local void @rv_marker_2_select(i32 %c) {
; CHECK-LABEL: _rv_marker_2_select:
; SELDAG: cinc w0, w8, eq
; GISEL: csinc w0, w8, wzr, eq
; CHECK-NEXT: bl _foo0
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: ldp x29, x30, [sp], #16
; CHECK-NEXT: b _foo2
;
entry:
%tobool.not = icmp eq i32 %c, 0
%.sink = select i1 %tobool.not, i32 2, i32 1
%call1 = call ptr @foo0(i32 %.sink) [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
tail call void @foo2(ptr %call1)
ret void
}
define dso_local void @rv_marker_3() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: _rv_marker_3:
; CHECK: bl _foo1
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
;
entry:
%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
invoke void @objc_object(ptr %call) #5
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
tail call void @llvm.objc.release(ptr %call)
ret void
lpad: ; preds = %entry
%0 = landingpad { ptr, i32 }
cleanup
tail call void @llvm.objc.release(ptr %call)
resume { ptr, i32 } %0
}
define dso_local void @rv_marker_4() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: _rv_marker_4:
; CHECK: Ltmp3:
; CHECK-NEXT: bl _foo1
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: Ltmp4:
;
entry:
%s = alloca %struct.S, align 1
call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %s) #2
%call = invoke ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
invoke void @objc_object(ptr %call) #5
to label %invoke.cont2 unwind label %lpad1
invoke.cont2: ; preds = %invoke.cont
tail call void @llvm.objc.release(ptr %call)
%call3 = call ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1) %s)
call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %s)
ret void
lpad: ; preds = %entry
%0 = landingpad { ptr, i32 }
cleanup
br label %ehcleanup
lpad1: ; preds = %invoke.cont
%1 = landingpad { ptr, i32 }
cleanup
tail call void @llvm.objc.release(ptr %call)
br label %ehcleanup
ehcleanup: ; preds = %lpad1, %lpad
%.pn = phi { ptr, i32 } [ %1, %lpad1 ], [ %0, %lpad ]
%call4 = call ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1) %s)
call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %s)
resume { ptr, i32 } %.pn
}
define dso_local ptr @rv_marker_5_indirect_call() {
; CHECK-LABEL: _rv_marker_5_indirect_call:
; CHECK: ldr [[ADDR:x[0-9]+]], [
; CHECK-NEXT: blr [[ADDR]]
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
entry:
%0 = load ptr, ptr @fptr, align 8
%call = call ptr %0() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
tail call void @foo2(ptr %call)
ret ptr %call
}
declare ptr @foo(i64, i64, i64)
define dso_local void @rv_marker_multiarg(i64 %a, i64 %b, i64 %c) {
; CHECK-LABEL: _rv_marker_multiarg:
; CHECK: mov [[TMP:x[0-9]+]], x0
; CHECK-NEXT: mov x0, x2
; CHECK-NEXT: mov x2, [[TMP]]
; CHECK-NEXT: bl _foo
; CHECK-NEXT: mov x29, x29
; CHECK-NEXT: bl _objc_retainAutoreleasedReturnValue
call ptr @foo(i64 %c, i64 %b, i64 %a) [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
ret void
}
declare ptr @objc_retainAutoreleasedReturnValue(ptr)
declare ptr @objc_unsafeClaimAutoreleasedReturnValue(ptr)
declare i32 @__gxx_personality_v0(...)
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