llvm/test/Feature/aliases.ll
Rafael Espindola cde25b435a Clarify that llvm.used can contain aliases.
Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22 14:58:02 +00:00

35 lines
815 B
LLVM

; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
@llvm.used = appending global [1 x i8*] [i8* bitcast (i32* @foo1 to i8*)], section "llvm.metadata"
@bar = external global i32
@foo1 = alias i32* @bar
@foo2 = alias i32* @bar
@foo3 = alias i32* @foo2
%FunTy = type i32()
declare i32 @foo_f()
@bar_f = alias weak %FunTy* @foo_f
@bar_ff = alias i32()* @bar_f
@bar_i = alias internal i32* @bar
@A = alias bitcast (i32* @bar to i64*)
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
}