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;; Test if a potential indirect call target function which has internal linkage and
;; address taken has its type ID emitted to callgraph section.
;; This test also makes sure that callback functions which meet the above constraint
;; are handled correctly.
; RUN: llc -mtriple=x86_64-unknown-linux --call-graph-section -o - < %s | FileCheck %s
declare !type !0 void @_Z6doWorkPFviE(ptr)
define i32 @_Z4testv() !type !1 {
entry:
call void @_Z6doWorkPFviE(ptr nonnull @_ZL10myCallbacki)
ret i32 0
}
; CHECK: _ZL10myCallbacki:
; CHECK-NEXT: [[LABEL_FUNC:\.Lfunc_begin[0-9]+]]:
define internal void @_ZL10myCallbacki(i32 %value) !type !2 {
entry:
%sink = alloca i32, align 4
store volatile i32 %value, ptr %sink, align 4
%i1 = load volatile i32, ptr %sink, align 4
ret void
}
!0 = !{i64 0, !"_ZTSFvPFviEE.generalized"}
!1 = !{i64 0, !"_ZTSFivE.generalized"}
!2 = !{i64 0, !"_ZTSFviE.generalized"}
; CHECK: .section .callgraph,"o",@progbits,.text
;; Version
; CHECK-NEXT: .byte 0
;; Flags -- Potential indirect target so LSB is set to 1. Other bits are 0.
; CHECK-NEXT: .byte 1
;; Function Entry PC
; CHECK-NEXT: .quad [[LABEL_FUNC]]
;; Function type ID
; CHECK-NEXT: .quad -5212364466660467813
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