derek.holloway
7502bf64a4
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303 lines
10 KiB
LLVM
303 lines
10 KiB
LLVM
; RUN: llc -mtriple x86_64-pc-linux -relocation-model=static < %s | \
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; RUN: FileCheck --check-prefixes=COMMON,STATIC %s
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; RUN: llc -mtriple x86_64-pc-linux -relocation-model=pic < %s | \
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; RUN: FileCheck --check-prefixes=COMMON,CHECK %s
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; RUN: llc -mtriple x86_64-pc-linux -relocation-model=dynamic-no-pic < %s | \
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; RUN: FileCheck --check-prefixes=COMMON,CHECK %s
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; 32 bits
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; RUN: llc -mtriple i386-pc-linux \
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; RUN: -relocation-model=pic < %s | FileCheck --check-prefix=CHECK32 %s
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; globals
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@strong_default_global = global i32 42
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define ptr @get_strong_default_global() {
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ret ptr @strong_default_global
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}
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; CHECK: movq strong_default_global@GOTPCREL(%rip), %rax
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; STATIC: movq strong_default_global@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_default_global@GOT(%eax), %eax
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@strong_hidden_global = hidden global i32 42
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define ptr @get_hidden_default_global() {
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ret ptr @strong_hidden_global
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}
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; CHECK: leaq strong_hidden_global(%rip), %rax
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; STATIC: movl $strong_hidden_global, %eax
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; CHECK32: leal strong_hidden_global@GOTOFF(%eax), %eax
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@weak_default_global = weak global i32 42
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define ptr @get_weak_default_global() {
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ret ptr @weak_default_global
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}
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; CHECK: movq weak_default_global@GOTPCREL(%rip), %rax
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; STATIC: movq weak_default_global@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_default_global@GOT(%eax), %eax
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@external_default_global = external global i32
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define ptr @get_external_default_global() {
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ret ptr @external_default_global
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}
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; CHECK: movq external_default_global@GOTPCREL(%rip), %rax
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; STATIC: movq external_default_global@GOTPCREL(%rip), %rax
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; CHECK32: movl external_default_global@GOT(%eax), %eax
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@strong_local_global = dso_local global i32 42
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define ptr @get_strong_local_global() {
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ret ptr @strong_local_global
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}
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; CHECK: leaq .Lstrong_local_global$local(%rip), %rax
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; STATIC: movl $strong_local_global, %eax
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; CHECK32: leal .Lstrong_local_global$local@GOTOFF(%eax), %eax
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@weak_local_global = weak dso_local global i32 42
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define ptr @get_weak_local_global() {
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ret ptr @weak_local_global
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}
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; CHECK: leaq weak_local_global(%rip), %rax
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; STATIC: movl $weak_local_global, %eax
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; CHECK32: leal weak_local_global@GOTOFF(%eax), %eax
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@external_local_global = external dso_local global i32
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define ptr @get_external_local_global() {
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ret ptr @external_local_global
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}
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; CHECK: leaq external_local_global(%rip), %rax
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; STATIC: movl $external_local_global, %eax
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; CHECK32: leal external_local_global@GOTOFF(%eax), %eax
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@strong_preemptable_global = dso_preemptable global i32 42
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define ptr @get_strong_preemptable_global() {
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ret ptr @strong_preemptable_global
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}
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; CHECK: movq strong_preemptable_global@GOTPCREL(%rip), %rax
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; STATIC: movq strong_preemptable_global@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_preemptable_global@GOT(%eax), %eax
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@weak_preemptable_global = weak dso_preemptable global i32 42
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define ptr @get_weak_preemptable_global() {
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ret ptr @weak_preemptable_global
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}
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; CHECK: movq weak_preemptable_global@GOTPCREL(%rip), %rax
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; STATIC: movq weak_preemptable_global@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_preemptable_global@GOT(%eax), %eax
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@external_preemptable_global = external dso_preemptable global i32
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define ptr @get_external_preemptable_global() {
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ret ptr @external_preemptable_global
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}
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; CHECK: movq external_preemptable_global@GOTPCREL(%rip), %rax
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; STATIC: movq external_preemptable_global@GOTPCREL(%rip), %rax
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; CHECK32: movl external_preemptable_global@GOT(%eax), %eax
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; aliases
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@aliasee = global i32 42
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@strong_default_alias = alias i32, ptr @aliasee
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define ptr @get_strong_default_alias() {
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ret ptr @strong_default_alias
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}
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; CHECK: movq strong_default_alias@GOTPCREL(%rip), %rax
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; STATIC: movq strong_default_alias@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_default_alias@GOT(%eax), %eax
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@strong_hidden_alias = hidden alias i32, ptr @aliasee
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define ptr @get_strong_hidden_alias() {
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ret ptr @strong_hidden_alias
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}
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; CHECK: leaq strong_hidden_alias(%rip), %rax
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; STATIC: movl $strong_hidden_alias, %eax
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; CHECK32: leal strong_hidden_alias@GOTOFF(%eax), %eax
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@weak_default_alias = weak alias i32, ptr @aliasee
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define ptr @get_weak_default_alias() {
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ret ptr @weak_default_alias
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}
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; CHECK: movq weak_default_alias@GOTPCREL(%rip), %rax
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; STATIC: movq weak_default_alias@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_default_alias@GOT(%eax), %eax
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@strong_local_alias = dso_local alias i32, ptr @aliasee
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define ptr @get_strong_local_alias() {
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ret ptr @strong_local_alias
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}
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; CHECK: leaq .Lstrong_local_alias$local(%rip), %rax
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; STATIC: movl $strong_local_alias, %eax
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; CHECK32: leal .Lstrong_local_alias$local@GOTOFF(%eax), %eax
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@weak_local_alias = weak dso_local alias i32, ptr @aliasee
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define ptr @get_weak_local_alias() {
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ret ptr @weak_local_alias
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}
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; CHECK: leaq weak_local_alias(%rip), %rax
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; STATIC: movl $weak_local_alias, %eax
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; CHECK32: leal weak_local_alias@GOTOFF(%eax), %eax
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@strong_preemptable_alias = dso_preemptable alias i32, ptr @aliasee
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define ptr @get_strong_preemptable_alias() {
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ret ptr @strong_preemptable_alias
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}
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; CHECK: movq strong_preemptable_alias@GOTPCREL(%rip), %rax
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; STATIC: movq strong_preemptable_alias@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_preemptable_alias@GOT(%eax), %eax
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@weak_preemptable_alias = weak dso_preemptable alias i32, ptr @aliasee
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define ptr @get_weak_preemptable_alias() {
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ret ptr @weak_preemptable_alias
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}
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; CHECK: movq weak_preemptable_alias@GOTPCREL(%rip), %rax
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; STATIC: movq weak_preemptable_alias@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_preemptable_alias@GOT(%eax), %eax
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; functions
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define void @strong_default_function() {
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ret void
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}
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define ptr @get_strong_default_function() {
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ret ptr @strong_default_function
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}
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; CHECK: movq strong_default_function@GOTPCREL(%rip), %rax
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; STATIC: movq strong_default_function@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_default_function@GOT(%eax), %eax
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define hidden void @strong_hidden_function() {
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ret void
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}
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define ptr @get_strong_hidden_function() {
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ret ptr @strong_hidden_function
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}
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; CHECK: leaq strong_hidden_function(%rip), %rax
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; STATIC: movl $strong_hidden_function, %eax
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; CHECK32: leal strong_hidden_function@GOTOFF(%eax), %eax
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define weak void @weak_default_function() {
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ret void
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}
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define ptr @get_weak_default_function() {
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ret ptr @weak_default_function
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}
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; CHECK: movq weak_default_function@GOTPCREL(%rip), %rax
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; STATIC: movq weak_default_function@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_default_function@GOT(%eax), %eax
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declare void @external_default_function()
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define ptr @get_external_default_function() {
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ret ptr @external_default_function
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}
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; CHECK: movq external_default_function@GOTPCREL(%rip), %rax
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; STATIC: movq external_default_function@GOTPCREL(%rip), %rax
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; CHECK32: movl external_default_function@GOT(%eax), %eax
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define dso_local void @strong_local_function() {
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ret void
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}
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define ptr @get_strong_local_function() {
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ret ptr @strong_local_function
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}
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; COMMON: {{^}}strong_local_function:
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; CHECK-NEXT: .Lstrong_local_function$local:
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; CHECK: leaq .Lstrong_local_function$local(%rip), %rax
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; STATIC: movl $strong_local_function, %eax
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; CHECK32: leal .Lstrong_local_function$local@GOTOFF(%eax), %eax
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define weak dso_local void @weak_local_function() {
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ret void
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}
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define ptr @get_weak_local_function() {
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ret ptr @weak_local_function
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}
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; CHECK: leaq weak_local_function(%rip), %rax
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; STATIC: movl $weak_local_function, %eax
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; CHECK32: leal weak_local_function@GOTOFF(%eax), %eax
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declare dso_local void @external_local_function()
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define ptr @get_external_local_function() {
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ret ptr @external_local_function
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}
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; CHECK: leaq external_local_function(%rip), %rax
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; STATIC: movl $external_local_function, %eax
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; CHECK32: leal external_local_function@GOTOFF(%eax), %eax
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define dso_preemptable void @strong_preemptable_function() {
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ret void
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}
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define ptr @get_strong_preemptable_function() {
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ret ptr @strong_preemptable_function
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}
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; CHECK: movq strong_preemptable_function@GOTPCREL(%rip), %rax
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; STATIC: movq strong_preemptable_function@GOTPCREL(%rip), %rax
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; CHECK32: movl strong_preemptable_function@GOT(%eax), %eax
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define weak dso_preemptable void @weak_preemptable_function() {
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ret void
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}
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define ptr @get_weak_preemptable_function() {
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ret ptr @weak_preemptable_function
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}
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; CHECK: movq weak_preemptable_function@GOTPCREL(%rip), %rax
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; STATIC: movq weak_preemptable_function@GOTPCREL(%rip), %rax
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; CHECK32: movl weak_preemptable_function@GOT(%eax), %eax
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declare dso_preemptable void @external_preemptable_function()
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define ptr @get_external_preemptable_function() {
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ret ptr @external_preemptable_function
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}
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; CHECK: movq external_preemptable_function@GOTPCREL(%rip), %rax
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; STATIC: movq external_preemptable_function@GOTPCREL(%rip), %rax
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; CHECK32: movl external_preemptable_function@GOT(%eax), %eax
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$comdat_nodeduplicate_local = comdat nodeduplicate
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$comdat_nodeduplicate_preemptable = comdat nodeduplicate
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$comdat_any_local = comdat any
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;; -fpic -fno-semantic-interposition may add dso_local. Some instrumentation
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;; may add comdat nodeduplicate. We should use local aliases to make the symbol
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;; non-preemptible in the linker.
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define dso_local ptr @comdat_nodeduplicate_local() comdat {
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ret ptr @comdat_nodeduplicate_local
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}
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; CHECK: leaq .Lcomdat_nodeduplicate_local$local(%rip), %rax
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; STATIC: movl $comdat_nodeduplicate_local, %eax
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define dso_preemptable ptr @comdat_nodeduplicate_preemptable() comdat {
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ret ptr @comdat_nodeduplicate_preemptable
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}
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; CHECK: movq comdat_nodeduplicate_preemptable@GOTPCREL(%rip), %rax
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; STATIC: movq comdat_nodeduplicate_preemptable@GOTPCREL(%rip), %rax
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;; Check the behavior for the invalid construct.
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define dso_local ptr @comdat_any_local() comdat {
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ret ptr @comdat_any_local
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}
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; CHECK: leaq comdat_any_local(%rip), %rax
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; STATIC: movl $comdat_any_local, %eax
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!llvm.module.flags = !{!0}
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!0 = !{i32 7, !"PIC Level", i32 2}
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; COMMON: {{^}}strong_local_global:
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; CHECK-NEXT: .Lstrong_local_global$local:
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; COMMON: .globl strong_default_alias
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; COMMON-NEXT: strong_default_alias = aliasee
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; COMMON-NEXT: .globl strong_hidden_alias
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; COMMON-NEXT: .hidden strong_hidden_alias
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; COMMON-NEXT: strong_hidden_alias = aliasee
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; COMMON-NEXT: .weak weak_default_alias
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; COMMON-NEXT: weak_default_alias = aliasee
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; COMMON-NEXT: .globl strong_local_alias
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; COMMON-NEXT: strong_local_alias = aliasee
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; CHECK-NEXT: .Lstrong_local_alias$local = aliasee
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; COMMON-NEXT: .weak weak_local_alias
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; COMMON-NEXT: weak_local_alias = aliasee
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; COMMON-NEXT: .globl strong_preemptable_alias
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; COMMON-NEXT: strong_preemptable_alias = aliasee
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; COMMON-NEXT: .weak weak_preemptable_alias
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; COMMON-NEXT: weak_preemptable_alias = aliasee
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