64 lines
2.1 KiB
LLVM
64 lines
2.1 KiB
LLVM
;; Test if temporary labels are generated for each indirect callsite.
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;; Test if the .llvm.callgraph section contains the MD5 hash of callees' type (type id)
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;; is correctly paired with its corresponding temporary label generated for indirect
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;; call sites annotated with !callee_type metadata.
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;; Test if the .llvm.callgraph section contains unique direct callees.
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; RUN: llc -mtriple=arm-unknown-linux --call-graph-section -o - < %s | FileCheck %s
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declare !type !0 void @direct_foo()
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declare !type !1 i32 @direct_bar(i8)
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declare !type !2 ptr @direct_baz(ptr)
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; CHECK: ball:
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; CHECK-NEXT: [[LABEL_FUNC:\.Lfunc_begin[0-9]+]]:
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define ptr @ball() {
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entry:
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call void @direct_foo()
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%fp_foo_val = load ptr, ptr null, align 8
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call void (...) %fp_foo_val(), !callee_type !0
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call void @direct_foo()
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%fp_bar_val = load ptr, ptr null, align 8
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%call_fp_bar = call i32 %fp_bar_val(i8 0), !callee_type !2
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%call_fp_bar_direct = call i32 @direct_bar(i8 1)
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%fp_baz_val = load ptr, ptr null, align 8
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%call_fp_baz = call ptr %fp_baz_val(ptr null), !callee_type !4
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call void @direct_foo()
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%call_fp_baz_direct = call ptr @direct_baz(ptr null)
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call void @direct_foo()
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ret ptr %call_fp_baz
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}
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!0 = !{!1}
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!1 = !{i64 0, !"_ZTSFvE.generalized"}
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!2 = !{!3}
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!3 = !{i64 0, !"_ZTSFicE.generalized"}
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!4 = !{!5}
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!5 = !{i64 0, !"_ZTSFPvS_E.generalized"}
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; CHECK: .section .llvm.callgraph,"o",%llvm_call_graph,.text
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;; Version
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; CHECK-NEXT: .byte 0
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;; Flags
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; CHECK-NEXT: .byte 7
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;; Function Entry PC
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; CHECK-NEXT: .long [[LABEL_FUNC]]
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;; Function type ID -- set to 0 as no type metadata attached to function.
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 0
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;; Number of unique direct callees.
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; CHECK-NEXT: .byte 3
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;; Direct callees.
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; CHECK-NEXT: .long direct_foo
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; CHECK-NEXT: .long direct_bar
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; CHECK-NEXT: .long direct_baz
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;; Number of unique indirect target type IDs.
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; CHECK-NEXT: .byte 3
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;; Indirect type IDs.
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; CHECK-NEXT: .long 838288420
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; CHECK-NEXT: .long 1053552373
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; CHECK-NEXT: .long 1505527380
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; CHECK-NEXT: .long 814631809
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; CHECK-NEXT: .long 342417018
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; CHECK-NEXT: .long 2013108216
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