llvm-project/llvm/test/Analysis/LazyCallGraph/alias.ll

39 lines
926 B
LLVM

; RUN: opt -disable-output -passes=print-lcg %s 2>&1 | FileCheck %s
;
; Aliased function should be reachable in CGSCC.
target triple = "x86_64-grtev4-linux-gnu"
; CHECK: Edges in function: foo
; CHECK: Edges in function: bar
; CHECK: Edges in function: baz
; CHECK: RefSCC with 1 call SCCs:
; CHECK-NEXT: SCC with 1 functions:
; CHECK-NEXT: foo
; CHECK-EMPTY:
; CHECK: RefSCC with 1 call SCCs:
; CHECK-NEXT: SCC with 1 functions:
; CHECK-NEXT: bar
; CHECK-NOT: baz
@alias1 = weak dso_local alias i8* (i8*), i8* (i8*)* @foo
define dso_local i8* @foo(i8* %returned) {
ret i8* %returned
}
@alias2 = weak dso_local alias i8* (i8*), i8* (i8*)* @bar
define internal i8* @bar(i8* %returned) {
ret i8* %returned
}
; Internal alias is not reachable.
@alias3 = internal alias i8* (i8*), i8* (i8*)* @baz
define internal i8* @baz(i8* %returned) {
ret i8* %returned
}