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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -O2 -mtriple=m68k -verify-machineinstrs \
; RUN: -code-model=medium -relocation-model=pic \
; RUN: | FileCheck %s
; External Linkage
@a = global i32 0, align 4
define i32 @my_access_global_a() #0 {
; CHECK-LABEL: my_access_global_a:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: move.l (a@GOTPCREL,%pc), %a0
; CHECK-NEXT: move.l (%a0), %d0
; CHECK-NEXT: rts
entry:
%0 = load i32, ptr @a, align 4
ret i32 %0
}
; WeakAny Linkage
@b = weak global i32 0, align 4
define i32 @my_access_global_b() #0 {
; CHECK-LABEL: my_access_global_b:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: move.l (b@GOTPCREL,%pc), %a0
; CHECK-NEXT: move.l (%a0), %d0
; CHECK-NEXT: rts
entry:
%0 = load i32, ptr @b, align 4
ret i32 %0
}
; Internal Linkage
@c = internal global i32 0, align 4
define i32 @my_access_global_c() #0 {
; CHECK-LABEL: my_access_global_c:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: lea (_GLOBAL_OFFSET_TABLE_@GOTPCREL,%pc), %a0
; CHECK-NEXT: move.l #c@GOTOFF, %d0
; CHECK-NEXT: move.l (0,%a0,%d0), %d0
; CHECK-NEXT: rts
entry:
%0 = load i32, ptr @c, align 4
ret i32 %0
}
; External Linkage, only declaration.
@d = external global i32, align 4
define i32 @my_access_global_load_d() #0 {
; CHECK-LABEL: my_access_global_load_d:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: move.l (d@GOTPCREL,%pc), %a0
; CHECK-NEXT: move.l (%a0), %d0
; CHECK-NEXT: rts
entry:
%0 = load i32, ptr @d, align 4
ret i32 %0
}
; External Linkage, only declaration, store a value.
define i32 @my_access_global_store_d() #0 {
; CHECK-LABEL: my_access_global_store_d:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: move.l (d@GOTPCREL,%pc), %a0
; CHECK-NEXT: move.l #2, (%a0)
; CHECK-NEXT: moveq #0, %d0
; CHECK-NEXT: rts
entry:
store i32 2, ptr @d, align 4
ret i32 0
}
; External Linkage, function pointer access.
declare i32 @access_fp(ptr)
declare i32 @foo()
define i32 @my_access_fp_foo() #0 {
; CHECK-LABEL: my_access_fp_foo:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: suba.l #4, %sp
; CHECK-NEXT: .cfi_def_cfa_offset -8
; CHECK-NEXT: move.l (foo@GOTPCREL,%pc), (%sp)
; CHECK-NEXT: jsr (access_fp@PLT,%pc)
; CHECK-NEXT: adda.l #4, %sp
; CHECK-NEXT: rts
entry:
%call = call i32 @access_fp(ptr @foo)
ret i32 %call
}
; LinkOnceODR Linkage, function pointer access.
$bar = comdat any
define linkonce_odr i32 @bar() comdat {
; CHECK-LABEL: bar:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: moveq #0, %d0
; CHECK-NEXT: rts
entry:
ret i32 0
}
define i32 @my_access_fp_bar() #0 {
; CHECK-LABEL: my_access_fp_bar:
; CHECK: .cfi_startproc
; CHECK-NEXT: ; %bb.0: ; %entry
; CHECK-NEXT: suba.l #4, %sp
; CHECK-NEXT: .cfi_def_cfa_offset -8
; CHECK-NEXT: move.l (bar@GOTPCREL,%pc), (%sp)
; CHECK-NEXT: jsr (access_fp@PLT,%pc)
; CHECK-NEXT: adda.l #4, %sp
; CHECK-NEXT: rts
entry:
%call = call i32 @access_fp(ptr @bar)
ret i32 %call
}
!llvm.module.flags = !{!0, !1}
!0 = !{i32 1, !"PIC Level", i32 1}
!1 = !{i32 1, !"PIE Level", i32 1}
|
