f60e69315e
In the call graph section, we were emitting the temporary label pointing to the start of the function instead of the canonical linkage correct function symbol. This patch fixes it and updates the corresponding tests.
63 lines
2.0 KiB
LLVM
63 lines
2.0 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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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 ball
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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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