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llvm-project/llvm/test/CodeGen/X86/call-rv-marker.ll

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; RUN: llc -mtriple=x86_64-apple-macosx -verify-machineinstrs -o - %s | FileCheck --check-prefix=CHECK %s
; TODO: support marker generation with GlobalISel
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
declare i8* @foo0(i32)
declare i8* @foo1()
declare void @llvm.objc.release(i8*)
declare void @objc_object(i8*)
declare void @foo2(i8*)
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
declare %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1))
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
%struct.S = type { i8 }
@g = global i8* null, align 8
@fptr = global i8* ()* null, align 8
define i8* @rv_marker_1_retain() {
; CHECK-LABEL: rv_marker_1_retain:
; CHECK: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: callq _foo1
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: retq
;
entry:
%call = call i8* @foo1() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
ret i8* %call
}
define i8* @rv_marker_1_unsafeClaim() {
; CHECK-LABEL: rv_marker_1_unsafeClaim:
; CHECK: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: callq _foo1
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_unsafeClaimAutoreleasedReturnValue
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: retq
;
entry:
%call = call i8* @foo1() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_unsafeClaimAutoreleasedReturnValue) ]
ret i8* %call
}
define void @rv_marker_2_select(i32 %c) {
; CHECK-LABEL: rv_marker_2_select:
; CHECK: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpl $1, %edi
; CHECK-NEXT: adcl $1, %eax
; CHECK-NEXT: movl %eax, %edi
; CHECK-NEXT: callq _foo0
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: popq %rax
; CHECK-NEXT: jmp _foo2
;
entry:
%tobool.not = icmp eq i32 %c, 0
%.sink = select i1 %tobool.not, i32 2, i32 1
%call1 = call i8* @foo0(i32 %.sink) [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
tail call void @foo2(i8* %call1)
ret void
}
define void @rv_marker_3() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; CHECK-LABEL: rv_marker_3
; CHECK: pushq %r14
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 24
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: .cfi_offset %rbx, -24
; CHECK-NEXT: .cfi_offset %r14, -16
; CHECK-NEXT: callq _foo1
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: Ltmp0:
;
entry:
%call = call i8* @foo1() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
invoke void @objc_object(i8* %call) #5
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
tail call void @llvm.objc.release(i8* %call)
ret void
lpad: ; preds = %entry
%0 = landingpad { i8*, i32 }
cleanup
tail call void @llvm.objc.release(i8* %call)
resume { i8*, i32 } %0
}
define void @rv_marker_4() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
; CHECK-LABEL: rv_marker_4
; CHECK: pushq %r14
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 24
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: .cfi_offset %rbx, -24
; CHECK-NEXT: .cfi_offset %r14, -16
; CHECK-NEXT: Ltmp3:
; CHECK-NEXT: callq _foo1
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: Ltmp4:
;
entry:
%s = alloca %struct.S, align 1
%0 = getelementptr inbounds %struct.S, %struct.S* %s, i64 0, i32 0
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0) #2
%call = invoke i8* @foo1() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %entry
invoke void @objc_object(i8* %call) #5
to label %invoke.cont2 unwind label %lpad1
invoke.cont2: ; preds = %invoke.cont
tail call void @llvm.objc.release(i8* %call)
%call3 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
ret void
lpad: ; preds = %entry
%1 = landingpad { i8*, i32 }
cleanup
br label %ehcleanup
lpad1: ; preds = %invoke.cont
%2 = landingpad { i8*, i32 }
cleanup
tail call void @llvm.objc.release(i8* %call)
br label %ehcleanup
ehcleanup: ; preds = %lpad1, %lpad
%.pn = phi { i8*, i32 } [ %2, %lpad1 ], [ %1, %lpad ]
%call4 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
resume { i8*, i32 } %.pn
}
; TODO: This should use "callq *_fptr(%rip)".
define i8* @rv_marker_5_indirect_call() {
; CHECK-LABEL: rv_marker_5_indirect_call
; CHECK: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %rbx, -16
; CHECK-NEXT: movq _fptr(%rip), %rax
; CHECK-NEXT: callq *%rax
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: movq %rax, %rbx
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _foo2
; CHECK-NEXT: movq %rbx, %rax
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: retq
;
entry:
%lv = load i8* ()*, i8* ()** @fptr, align 8
%call = call i8* %lv() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
tail call void @foo2(i8* %call)
ret i8* %call
}
declare i8* @foo(i64, i64, i64)
define void @rv_marker_multiarg(i64 %a, i64 %b, i64 %c) {
; CHECK-LABEL: rv_marker_multiarg
; CHECK: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: movq %rdx, %rdi
; CHECK-NEXT: movq %rax, %rdx
; CHECK-NEXT: callq _foo
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: popq %rax
; CHECK-NEXT: retq
;
%r = call i8* @foo(i64 %c, i64 %b, i64 %a) [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
ret void
}
define void @test_nonlazybind() {
; CHECK-LABEL: _test_nonlazybind:
; CHECK: bb.0:
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: callq *_foo_nonlazybind@GOTPCREL(%rip)
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
;
%call1 = notail call i8* @foo_nonlazybind() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
ret void
}
declare i8* @foo_nonlazybind() nonlazybind
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
declare i8* @objc_unsafeClaimAutoreleasedReturnValue(i8*)
declare i32 @__gxx_personality_v0(...)
declare i8* @fn1()
declare i8* @fn2()
define i8* @rv_marker_block_placement(i1 %c.0) {
; CHECK-LABEL: _rv_marker_block_placement:
; CHECK: pushq %rax
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: je LBB8_2
; CHECK-NEXT: ## %bb.1:
; CHECK-NEXT: callq _fn1
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: jmp LBB8_3
; CHECK-NEXT: LBB8_2:
; CHECK-NEXT: callq _fn2
; CHECK-NEXT: movq %rax, %rdi
; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
; CHECK-NEXT: LBB8_3:
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: popq %rcx
; CHECK-NEXT: retq
;
entry:
br i1 %c.0, label %then, label %else
then:
%call.0 = notail call i8* @fn1() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
br label %exit
else:
%call.1 = notail call i8* @fn2() [ "clang.arc.attachedcall"(i8* (i8*)* @objc_retainAutoreleasedReturnValue) ]
br label %exit
exit:
ret i8* null
}
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