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; RUN: llc --relocation-model=pic < %s | FileCheck %s
; RUN: llc --relocation-model=pic --relax-elf-relocations --filetype=obj -o - < %s | llvm-objdump -d -r - | FileCheck %s --check-prefix=OBJ
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@global = external global i32
declare void @func()
define i32* @global_addr() #0 {
; CHECK-LABEL: global_addr:
; CHECK: movq global@GOTPCREL_NORELAX(%rip), %rax
; CHECK: retq
; OBJ-LABEL: <global_addr>:
; OBJ: movq (%rip),
; OBJ-NEXT: R_X86_64_GOTPCREL global
ret i32* @global
}
define i32 @global_load() #0 {
; CHECK-LABEL: global_load:
; CHECK: movq global@GOTPCREL_NORELAX(%rip), [[REG:%r[0-9a-z]+]]
; CHECK: movl ([[REG]]), %eax
; CHECK: retq
; OBJ-LABEL: <global_load>:
; OBJ: movq (%rip),
; OBJ-NEXT: R_X86_64_GOTPCREL global
%load = load i32, i32* @global
ret i32 %load
}
define void @global_store() #0 {
; CHECK-LABEL: global_store:
; CHECK: movq global@GOTPCREL_NORELAX(%rip), [[REG:%r[0-9a-z]+]]
; CHECK: movl $0, ([[REG]])
; CHECK: retq
; OBJ-LABEL: <global_store>:
; OBJ: movq (%rip),
; OBJ-NEXT: R_X86_64_GOTPCREL global
store i32 0, i32* @global
ret void
}
define void ()* @func_addr() #0 {
; CHECK-LABEL: func_addr:
; CHECK: movq func@GOTPCREL(%rip), %rax
; CHECK: retq
; OBJ-LABEL: <func_addr>:
; OBJ: movq (%rip),
; OBJ-NEXT: R_X86_64_REX_GOTPCRELX func
ret void ()* @func
}
; Jump tables shouldn't go through the GOT.
define i32 @jump_table(i32 %x) #0 {
; CHECK-LABEL: jump_table:
; CHECK-NOT: @GOT
switch i32 %x, label %default [
i32 0, label %1
i32 1, label %2
i32 2, label %3
i32 3, label %4
]
1:
ret i32 7
2:
ret i32 42
3:
ret i32 3
4:
ret i32 8
default:
ret i32 %x
}
attributes #0 = { "target-features"="+tagged-globals" }
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