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;; Tests that we store the type identifiers in .callgraph section of the object file for tailcalls.
; RUN: llc -mtriple=x86_64-unknown-linux --call-graph-section -filetype=obj -o - < %s | \
; RUN: llvm-readelf -x .callgraph - | FileCheck %s
define i32 @check_tailcall(ptr %func, i8 %x) !type !0 {
entry:
%call = tail call i32 %func(i8 signext %x), !callee_type !1
ret i32 %call
}
define i32 @main(i32 %argc) !type !3 {
entry:
%andop = and i32 %argc, 1
%cmp = icmp eq i32 %andop, 0
%foo.bar = select i1 %cmp, ptr @foo, ptr @bar
%call.i = tail call i32 %foo.bar(i8 signext 97), !callee_type !1
ret i32 %call.i
}
declare !type !2 i32 @foo(i8 signext)
declare !type !2 i32 @bar(i8 signext)
;; Check that the numeric type id (md5 hash) for the below type ids are emitted
;; to the callgraph section.
; CHECK: Hex dump of section '.callgraph':
!0 = !{i64 0, !"_ZTSFiPvcE.generalized"}
!1 = !{!2}
; CHECK-DAG: 5486bc59 814b8e30
!2 = !{i64 0, !"_ZTSFicE.generalized"}
!3 = !{i64 0, !"_ZTSFiiE.generalized"}
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