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