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global-access-pie-copyrelocs.ll
151 lines (120 loc) · 3.83 KB
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global-access-pie-copyrelocs.ll
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; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=x86_64-linux-gnu -relocation-model=pic -pie-copy-relocations \
; RUN: | FileCheck -check-prefix=X64 %s
; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=i386-linux-gnu -relocation-model=pic -pie-copy-relocations \
; RUN: | FileCheck -check-prefix=X32 %s
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnu -relocation-model=pic -pie-copy-relocations \
; RUN: | FileCheck -check-prefix=X64 %s
; RUN: llc < %s -mcpu=generic -mtriple=i386-linux-gnu -relocation-model=pic -pie-copy-relocations \
; RUN: | FileCheck -check-prefix=X32 %s
; External Linkage
@a = global i32 0, align 4
define i32 @my_access_global_a() #0 {
; X32-LABEL: my_access_global_a:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32-NEXT: movl a@GOTOFF(%eax), %eax
; X64-LABEL: my_access_global_a:
; X64: movl a(%rip), %eax
entry:
%0 = load i32, i32* @a, align 4
ret i32 %0
}
; WeakAny Linkage
@b = weak global i32 0, align 4
define i32 @my_access_global_b() #0 {
; X32-LABEL: my_access_global_b:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32-NEXT: movl b@GOTOFF(%eax), %eax
; X64-LABEL: my_access_global_b:
; X64: movl b(%rip), %eax
entry:
%0 = load i32, i32* @b, align 4
ret i32 %0
}
; Internal Linkage
@c = internal global i32 0, align 4
define i32 @my_access_global_c() #0 {
; X32-LABEL: my_access_global_c:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32-NEXT: movl c@GOTOFF(%eax), %eax
; X64-LABEL: my_access_global_c:
; X64: movl c(%rip), %eax
entry:
%0 = load i32, i32* @c, align 4
ret i32 %0
}
; External Linkage, only declaration.
@d = external global i32, align 4
define i32 @my_access_global_load_d() #0 {
; X32-LABEL: my_access_global_load_d:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32-NEXT: movl d@GOTOFF(%eax), %eax
; X64-LABEL: my_access_global_load_d:
; X64: movl d(%rip), %eax
entry:
%0 = load i32, i32* @d, align 4
ret i32 %0
}
; ExternalWeak Linkage
@e = extern_weak global i32, align 4
define i32* @my_access_global_d() #0 {
; X32-LABEL: my_access_global_d:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32: movl e@GOT(%eax), %eax
; X64-LABEL: my_access_global_d:
; X64: movq e@GOTPCREL(%rip), %rax
entry:
ret i32* @e
}
; ExternalWeak hidden Linkage
@he = extern_weak hidden global i32, align 4
define i32* @my_access_global_he() #0 {
; X32-LABEL: my_access_global_he:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32: movl he@GOT(%eax), %eax
; X64-LABEL: my_access_global_he:
; X64: movq he@GOTPCREL(%rip), %rax
ret i32* @he
}
; External Linkage, only declaration, store a value.
define i32 @my_access_global_store_d() #0 {
; X32-LABEL: my_access_global_store_d:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax
; X32-NEXT: movl $2, d@GOTOFF(%eax)
; X64-LABEL: my_access_global_store_d:
; X64: movl $2, d(%rip)
entry:
store i32 2, i32* @d, align 4
ret i32 0
}
; External Linkage, function pointer access.
declare i32 @access_fp(i32 ()*)
declare i32 @foo()
define i32 @my_access_fp_foo() #0 {
; X32-LABEL: my_access_fp_foo:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %ebx
; X32-NEXT: movl foo@GOT(%ebx), %eax
; X64-LABEL: my_access_fp_foo:
; X64: movq foo@GOTPCREL(%rip), %rdi
entry:
%call = call i32 @access_fp(i32 ()* @foo)
ret i32 %call
}
; LinkOnceODR Linkage, function pointer access.
$bar = comdat any
define linkonce_odr i32 @bar() comdat {
entry:
ret i32 0
}
define i32 @my_access_fp_bar() #0 {
; X32-LABEL: my_access_fp_bar:
; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %ebx
; X32-NEXT: leal bar@GOTOFF(%ebx), %eax
; X64-LABEL: my_access_fp_bar:
; X64: leaq bar(%rip), %rdi
entry:
%call = call i32 @access_fp(i32 ()* @bar)
ret i32 %call
}
!llvm.module.flags = !{!0, !1}
!0 = !{i32 1, !"PIC Level", i32 1}
!1 = !{i32 1, !"PIE Level", i32 1}