llvm-6502/test/CodeGen/X86/aliases.ll
Rafael Espindola 665d42accf [pr19844] Add thread local mode to aliases.
This matches gcc's behavior. It also seems natural given that aliases
contain other properties that govern how it is accessed (linkage,
visibility, dll storage).

Clang still has to be updated to expose this feature to C.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209759 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-28 18:15:43 +00:00

65 lines
1.4 KiB
LLVM

; RUN: llc < %s -mtriple=i686-pc-linux-gnu -asm-verbose=false \
; RUN: -relocation-model=pic | FileCheck %s
@thread_var = thread_local global i32 42, align 4
@thread_alias = thread_local(localdynamic) alias i32* @thread_var
; CHECK-LABEL: get_thread_var
define i32* @get_thread_var() {
; CHECK: leal thread_var@TLSGD
ret i32* @thread_var
}
; CHECK-LABEL: get_thread_alias
define i32* @get_thread_alias() {
; CHECK: leal thread_alias@TLSLD
ret i32* @thread_alias
}
@bar = global i32 42
; CHECK-DAG: .globl foo1
@foo1 = alias i32* @bar
; CHECK-DAG: .globl foo2
@foo2 = alias i32* @bar
%FunTy = type i32()
define i32 @foo_f() {
ret i32 0
}
; CHECK-DAG: .weak bar_f
@bar_f = alias weak %FunTy* @foo_f
@bar_l = alias linkonce_odr i32* @bar
; CHECK-DAG: .weak bar_l
@bar_i = alias internal i32* @bar
; CHECK-DAG: .globl A
@A = alias i64, i32* @bar
; CHECK-DAG: .globl bar_h
; CHECK-DAG: .hidden bar_h
@bar_h = hidden alias i32* @bar
; CHECK-DAG: .globl bar_p
; CHECK-DAG: .protected bar_p
@bar_p = protected alias i32* @bar
; CHECK-DAG: .globl test
define i32 @test() {
entry:
%tmp = load i32* @foo1
%tmp1 = load i32* @foo2
%tmp0 = load i32* @bar_i
%tmp2 = call i32 @foo_f()
%tmp3 = add i32 %tmp, %tmp2
%tmp4 = call %FunTy* @bar_f()
%tmp5 = add i32 %tmp3, %tmp4
%tmp6 = add i32 %tmp1, %tmp5
%tmp7 = add i32 %tmp6, %tmp0
ret i32 %tmp7
}