270 lines
8.4 KiB
LLVM
270 lines
8.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-macosx -verify-machineinstrs -o - %s | FileCheck --check-prefix=CHECK %s
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; RUN: llc -mtriple=x86_64-windows-msvc -verify-machineinstrs -o - %s | FileCheck --check-prefix=WINABI %s
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; TODO: support marker generation with GlobalISel
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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declare ptr @foo0(i32)
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declare ptr @foo1()
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declare void @llvm.objc.release(ptr)
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declare void @objc_object(ptr)
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declare void @foo2(ptr)
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declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
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declare ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1))
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declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
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%struct.S = type { i8 }
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@g = global ptr null, align 8
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@fptr = global ptr null, align 8
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define ptr @rv_marker_1_retain() {
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; CHECK-LABEL: rv_marker_1_retain:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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;
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; WINABI-LABEL: rv_marker_1_retain:
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; WINABI: callq foo1
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; WINABI-NEXT: movq %rax, %rcx
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; WINABI-NEXT: callq objc_retainAutoreleasedReturnValue
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; WINABI-NEXT: nop
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;
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entry:
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%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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ret ptr %call
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}
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define ptr @rv_marker_1_unsafeClaim() {
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; CHECK-LABEL: rv_marker_1_unsafeClaim:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_unsafeClaimAutoreleasedReturnValue
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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;
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entry:
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%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_unsafeClaimAutoreleasedReturnValue) ]
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ret ptr %call
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}
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define void @rv_marker_2_select(i32 %c) {
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; CHECK-LABEL: rv_marker_2_select:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: cmpl $1, %edi
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; CHECK-NEXT: adcl $1, %eax
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; CHECK-NEXT: movl %eax, %edi
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; CHECK-NEXT: callq _foo0
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: jmp _foo2
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;
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entry:
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%tobool.not = icmp eq i32 %c, 0
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%.sink = select i1 %tobool.not, i32 2, i32 1
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%call1 = call ptr @foo0(i32 %.sink) [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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tail call void @foo2(ptr %call1)
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ret void
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}
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define void @rv_marker_3() personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: rv_marker_3
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; CHECK: pushq %r14
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: .cfi_offset %r14, -16
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: movq %rax, %rbx
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; CHECK-NEXT: Ltmp0:
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;
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entry:
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%call = call ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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invoke void @objc_object(ptr %call) #5
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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tail call void @llvm.objc.release(ptr %call)
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ret void
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lpad: ; preds = %entry
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%0 = landingpad { ptr, i32 }
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cleanup
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tail call void @llvm.objc.release(ptr %call)
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resume { ptr, i32 } %0
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}
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define void @rv_marker_4() personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: rv_marker_4
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; CHECK: pushq %r14
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: .cfi_offset %r14, -16
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; CHECK-NEXT: Ltmp3:
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: Ltmp4:
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;
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entry:
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%s = alloca %struct.S, align 1
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call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %s) #2
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%call = invoke ptr @foo1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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invoke void @objc_object(ptr %call) #5
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to label %invoke.cont2 unwind label %lpad1
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invoke.cont2: ; preds = %invoke.cont
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tail call void @llvm.objc.release(ptr %call)
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%call3 = call ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1) %s)
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call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %s)
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ret void
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lpad: ; preds = %entry
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%0 = landingpad { ptr, i32 }
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cleanup
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br label %ehcleanup
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lpad1: ; preds = %invoke.cont
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%1 = landingpad { ptr, i32 }
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cleanup
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tail call void @llvm.objc.release(ptr %call)
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br label %ehcleanup
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ehcleanup: ; preds = %lpad1, %lpad
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%.pn = phi { ptr, i32 } [ %1, %lpad1 ], [ %0, %lpad ]
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%call4 = call ptr @_ZN1SD1Ev(ptr nonnull dereferenceable(1) %s)
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call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %s)
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resume { ptr, i32 } %.pn
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}
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; TODO: This should use "callq *_fptr(%rip)".
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define ptr @rv_marker_5_indirect_call() {
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; CHECK-LABEL: rv_marker_5_indirect_call
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; CHECK: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset %rbx, -16
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; CHECK-NEXT: movq _fptr(%rip), %rax
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; CHECK-NEXT: callq *%rax
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: movq %rax, %rbx
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _foo2
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; CHECK-NEXT: movq %rbx, %rax
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: retq
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;
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entry:
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%lv = load ptr, ptr @fptr, align 8
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%call = call ptr %lv() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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tail call void @foo2(ptr %call)
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ret ptr %call
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}
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declare ptr @foo(i64, i64, i64)
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define void @rv_marker_multiarg(i64 %a, i64 %b, i64 %c) {
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; CHECK-LABEL: rv_marker_multiarg
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: movq %rdi, %rax
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; CHECK-NEXT: movq %rdx, %rdi
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; CHECK-NEXT: movq %rax, %rdx
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; CHECK-NEXT: callq _foo
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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%r = call ptr @foo(i64 %c, i64 %b, i64 %a) [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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ret void
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}
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define void @test_nonlazybind() {
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; CHECK-LABEL: _test_nonlazybind:
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; CHECK: bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq *_foo_nonlazybind@GOTPCREL(%rip)
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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;
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%call1 = notail call ptr @foo_nonlazybind() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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ret void
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}
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declare ptr @foo_nonlazybind() nonlazybind
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declare ptr @objc_retainAutoreleasedReturnValue(ptr)
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declare ptr @objc_unsafeClaimAutoreleasedReturnValue(ptr)
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declare i32 @__gxx_personality_v0(...)
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declare ptr @fn1()
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declare ptr @fn2()
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define ptr @rv_marker_block_placement(i1 %c.0) {
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; CHECK-LABEL: _rv_marker_block_placement:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: testb $1, %dil
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; CHECK-NEXT: je LBB8_2
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; CHECK-NEXT: ## %bb.1:
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; CHECK-NEXT: callq _fn1
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: jmp LBB8_3
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; CHECK-NEXT: LBB8_2:
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; CHECK-NEXT: callq _fn2
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _objc_retainAutoreleasedReturnValue
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; CHECK-NEXT: LBB8_3:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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;
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entry:
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br i1 %c.0, label %then, label %else
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then:
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%call.0 = notail call ptr @fn1() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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br label %exit
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else:
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%call.1 = notail call ptr @fn2() [ "clang.arc.attachedcall"(ptr @objc_retainAutoreleasedReturnValue) ]
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br label %exit
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exit:
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ret ptr null
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}
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