diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/call-graph-section-assembly.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/call-graph-section-assembly.ll | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/call-graph-section-assembly.ll b/llvm/test/CodeGen/ARM/call-graph-section-assembly.ll new file mode 100644 index 0000000..bf5249e --- /dev/null +++ b/llvm/test/CodeGen/ARM/call-graph-section-assembly.ll @@ -0,0 +1,63 @@ +;; Test if temporary labels are generated for each indirect callsite. +;; Test if the .callgraph section contains the MD5 hash of callees' type (type id) +;; is correctly paired with its corresponding temporary label generated for indirect +;; call sites annotated with !callee_type metadata. +;; Test if the .callgraph section contains unique direct callees. + +; RUN: llc -mtriple=arm-unknown-linux --call-graph-section -o - < %s | FileCheck %s + +declare !type !0 void @direct_foo() +declare !type !1 i32 @direct_bar(i8) +declare !type !2 ptr @direct_baz(ptr) + +; CHECK: ball: +; CHECK-NEXT: [[LABEL_FUNC:\.Lfunc_begin[0-9]+]]: +define ptr @ball() { +entry: + call void @direct_foo() + %fp_foo_val = load ptr, ptr null, align 8 + call void (...) %fp_foo_val(), !callee_type !0 + call void @direct_foo() + %fp_bar_val = load ptr, ptr null, align 8 + %call_fp_bar = call i32 %fp_bar_val(i8 0), !callee_type !2 + %call_fp_bar_direct = call i32 @direct_bar(i8 1) + %fp_baz_val = load ptr, ptr null, align 8 + %call_fp_baz = call ptr %fp_baz_val(ptr null), !callee_type !4 + call void @direct_foo() + %call_fp_baz_direct = call ptr @direct_baz(ptr null) + call void @direct_foo() + ret ptr %call_fp_baz +} + +!0 = !{!1} +!1 = !{i64 0, !"_ZTSFvE.generalized"} +!2 = !{!3} +!3 = !{i64 0, !"_ZTSFicE.generalized"} +!4 = !{!5} +!5 = !{i64 0, !"_ZTSFPvS_E.generalized"} + +; CHECK: .section .callgraph,"o",%progbits,.text +;; Version +; CHECK-NEXT: .byte 0 +;; Flags +; CHECK-NEXT: .byte 7 +;; Function Entry PC +; CHECK-NEXT: .long [[LABEL_FUNC]] +;; Function type ID -- set to 0 as no type metadata attached to function. +; CHECK-NEXT: .long 0 +; CHECK-NEXT: .long 0 +;; Number of unique direct callees. +; CHECK-NEXT: .byte 3 +;; Direct callees. +; CHECK-NEXT: .long direct_foo +; CHECK-NEXT: .long direct_bar +; CHECK-NEXT: .long direct_baz +;; Number of unique indirect target type IDs. +; CHECK-NEXT: .byte 3 +;; Indirect type IDs. +; CHECK-NEXT: .long 838288420 +; CHECK-NEXT: .long 1053552373 +; CHECK-NEXT: .long 1505527380 +; CHECK-NEXT: .long 814631809 +; CHECK-NEXT: .long 342417018 +; CHECK-NEXT: .long 2013108216 |