7c6a1c3d15
Collect the necessary information for constructing the call graph section, and emit to .callgraph section of the binary. MD5 hash of the callee_type metadata string is used as the numerical type id emitted. Reviewers: ilovepi Reviewed By: ilovepi Pull Request: https://github.com/llvm/llvm-project/pull/87576
44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
;; Test if temporary labels are generated for each indirect callsite with a callee_type metadata.
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;; Test if the .callgraph section contains the MD5 hash of callee type ids generated from
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;; generalized type id strings.
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; RUN: llc -mtriple=x86_64-unknown-linux --call-graph-section -o - < %s | FileCheck %s
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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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%fp_foo_val = load ptr, ptr null, align 8
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; CHECK: [[LABEL_TMP0:\.L.*]]:
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call void (...) %fp_foo_val(), !callee_type !0
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%fp_bar_val = load ptr, ptr null, align 8
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; CHECK: [[LABEL_TMP1:\.L.*]]:
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%call_fp_bar = call i32 %fp_bar_val(i8 0), !callee_type !2
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%fp_baz_val = load ptr, ptr null, align 8
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; CHECK: [[LABEL_TMP2:\.L.*]]:
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%call_fp_baz = call ptr %fp_baz_val(ptr null), !callee_type !4
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ret ptr %call_fp_baz
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}
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; CHECK: .section .callgraph,"o",@progbits,.text
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; CHECK-NEXT: .quad 0
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; CHECK-NEXT: .quad [[LABEL_FUNC]]
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; CHECK-NEXT: .quad 1
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; CHECK-NEXT: .quad 3
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!0 = !{!1}
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!1 = !{i64 0, !"_ZTSFvE.generalized"}
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;; Test for MD5 hash of _ZTSFvE.generalized and the generated temporary callsite label.
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; CHECK-NEXT: .quad 4524972987496481828
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; CHECK-NEXT: .quad [[LABEL_TMP0]]
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!2 = !{!3}
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!3 = !{i64 0, !"_ZTSFicE.generalized"}
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;; Test for MD5 hash of _ZTSFicE.generalized and the generated temporary callsite label.
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; CHECK-NEXT: .quad 3498816979441845844
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; CHECK-NEXT: .quad [[LABEL_TMP1]]
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!4 = !{!5}
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!5 = !{i64 0, !"_ZTSFPvS_E.generalized"}
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;; Test for MD5 hash of _ZTSFPvS_E.generalized and the generated temporary callsite label.
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; CHECK-NEXT: .quad 8646233951371320954
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; CHECK-NEXT: .quad [[LABEL_TMP2]]
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