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50 lines
2.0 KiB
50 lines
2.0 KiB
; RUN: llc -mtriple aarch64-linux-gnu -emit-call-site-info -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
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; Based on the following C reproducer:
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;
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; extern void callee(float);
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;
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; void foo(float param) {
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; callee(param);
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; }
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; Verify that a call site value using DW_OP_GNU_entry_value(DW_OP_regx B0) is
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; emitted for the float parameter. Previously the entry value's multi-byte
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; DW_OP_regx expression would be truncated.
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; CHECK: DW_TAG_GNU_call_site_parameter
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; CHECK-NEXT: DW_AT_location (DW_OP_regx B0)
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; CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_GNU_entry_value(DW_OP_regx B0)
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64"
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; Function Attrs: nounwind
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define dso_local void @foo(float %param) local_unnamed_addr !dbg !12 {
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entry:
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tail call void @callee(float %param), !dbg !13
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ret void, !dbg !14
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}
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declare !dbg !4 dso_local void @callee(float) local_unnamed_addr
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9, !10}
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!llvm.ident = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "float.c", directory: "/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DISubprogram(name: "callee", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
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!8 = !{i32 7, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!11 = !{!"clang version 11.0.0 "}
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!12 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !5, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!13 = !DILocation(line: 4, scope: !12)
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!14 = !DILocation(line: 5, scope: !12)
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