llvm-project/llvm/test/CodeGen/ARM/tls-models.ll

118 lines
3.1 KiB
LLVM

; RUN: llc -march=arm -mtriple=arm-linux-gnueabi < %s | FileCheck -check-prefix=CHECK-NONPIC %s
; RUN: llc -march=arm -mtriple=arm-linux-gnueabi -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-PIC %s
@external_gd = external thread_local global i32
@internal_gd = internal thread_local global i32 42
@external_ld = external thread_local(localdynamic) global i32
@internal_ld = internal thread_local(localdynamic) global i32 42
@external_ie = external thread_local(initialexec) global i32
@internal_ie = internal thread_local(initialexec) global i32 42
@external_le = external thread_local(localexec) global i32
@internal_le = internal thread_local(localexec) global i32 42
; ----- no model specified -----
define i32* @f1() {
entry:
ret i32* @external_gd
; Non-PIC code can use initial-exec, PIC code has to use general dynamic.
; CHECK-NONPIC-LABEL: f1:
; CHECK-NONPIC: external_gd(gottpoff)
; CHECK-PIC-LABEL: f1:
; CHECK-PIC: external_gd(tlsgd)
}
define i32* @f2() {
entry:
ret i32* @internal_gd
; Non-PIC code can use local exec, PIC code can use local dynamic,
; but that is not implemented, so falls back to general dynamic.
; CHECK-NONPIC-LABEL: f2:
; CHECK-NONPIC: internal_gd(tpoff)
; CHECK-PIC-LABEL: f2:
; CHECK-PIC: internal_gd(tlsgd)
}
; ----- localdynamic specified -----
define i32* @f3() {
entry:
ret i32* @external_ld
; Non-PIC code can use initial exec, PIC should use local dynamic,
; but that is not implemented, so falls back to general dynamic.
; CHECK-NONPIC-LABEL: f3:
; CHECK-NONPIC: external_ld(gottpoff)
; CHECK-PIC-LABEL: f3:
; CHECK-PIC: external_ld(tlsgd)
}
define i32* @f4() {
entry:
ret i32* @internal_ld
; Non-PIC code can use local exec, PIC code can use local dynamic,
; but that is not implemented, so it falls back to general dynamic.
; CHECK-NONPIC-LABEL: f4:
; CHECK-NONPIC: internal_ld(tpoff)
; CHECK-PIC-LABEL: f4:
; CHECK-PIC: internal_ld(tlsgd)
}
; ----- initialexec specified -----
define i32* @f5() {
entry:
ret i32* @external_ie
; Non-PIC and PIC code will use initial exec as specified.
; CHECK-NONPIC-LABEL: f5:
; CHECK-NONPIC: external_ie(gottpoff)
; CHECK-PIC-LABEL: f5:
; CHECK-PIC: external_ie(gottpoff)
}
define i32* @f6() {
entry:
ret i32* @internal_ie
; Non-PIC code can use local exec, PIC code use initial exec as specified.
; CHECK-NONPIC-LABEL: f6:
; CHECK-NONPIC: internal_ie(tpoff)
; CHECK-PIC-LABEL: f6:
; CHECK-PIC: internal_ie(gottpoff)
}
; ----- localexec specified -----
define i32* @f7() {
entry:
ret i32* @external_le
; Non-PIC and PIC code will use local exec as specified.
; CHECK-NONPIC-LABEL: f7:
; CHECK-NONPIC: external_le(tpoff)
; CHECK-PIC-LABEL: f7:
; CHECK-PIC: external_le(tpoff)
}
define i32* @f8() {
entry:
ret i32* @internal_le
; Non-PIC and PIC code will use local exec as specified.
; CHECK-NONPIC-LABEL: f8:
; CHECK-NONPIC: internal_le(tpoff)
; CHECK-PIC-LABEL: f8:
; CHECK-PIC: internal_le(tpoff)
}