2e12299039
RFC: https://discourse.llvm.org/t/rfc-support-pseudo-probe-for-windows-coff/83820 Support emitting pseudo probe to .pseudo_probe and .pseudo_probe_desc COFF sections.
157 lines
7.7 KiB
LLVM
157 lines
7.7 KiB
LLVM
; REQUIRES: x86-registered-target
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; RUN: opt < %s -passes=pseudo-probe -S -o - | FileCheck %s
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$__clang_call_terminate = comdat any
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@x = dso_local global i32 0, align 4, !dbg !0
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; Function Attrs: mustprogress noinline nounwind uwtable
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define dso_local void @_Z3barv() #0 personality ptr @__gxx_personality_v0 !dbg !14 {
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entry:
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 1
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%0 = load volatile i32, ptr @x, align 4, !dbg !17, !tbaa !19
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%tobool = icmp ne i32 %0, 0, !dbg !17
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br i1 %tobool, label %if.then, label %if.else, !dbg !23
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if.then: ; preds = %entry
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 2
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; callsite probe 3
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invoke void @_Z3foov()
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to label %invoke.cont unwind label %terminate.lpad, !dbg !24
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invoke.cont: ; preds = %if.then
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; callsite probe 4
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; CHECK-NOT: call void @llvm.pseudoprobe(i64 -1069303473483922844,
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invoke void @_Z3bazv()
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to label %invoke.cont1 unwind label %terminate.lpad, !dbg !26
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invoke.cont1: ; preds = %invoke.cont
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; CHECK-NOT: call void @llvm.pseudoprobe(i64 -1069303473483922844,
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br label %if.end, !dbg !27
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if.else: ; preds = %entry
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 5
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; callsite probe 6
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invoke void @_Z3foov()
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to label %invoke.cont2 unwind label %terminate.lpad, !dbg !28
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invoke.cont2: ; preds = %if.else
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; CHECK-NOT: call void @llvm.pseudoprobe(i64 -1069303473483922844,
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br label %if.end
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if.end: ; preds = %invoke.cont2, %invoke.cont1
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 7
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; callsite probe 8
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invoke void @_Z3foov()
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to label %invoke.cont3 unwind label %terminate.lpad, !dbg !29
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invoke.cont3: ; preds = %if.end
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; CHECK-NOT: call void @llvm.pseudoprobe(i64 -1069303473483922844,
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%1 = load volatile i32, ptr @x, align 4, !dbg !30, !tbaa !19
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%tobool4 = icmp ne i32 %1, 0, !dbg !30
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br i1 %tobool4, label %if.then5, label %if.end6, !dbg !32
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if.then5: ; preds = %invoke.cont3
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 9
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%2 = load volatile i32, ptr @x, align 4, !dbg !33, !tbaa !19
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%inc = add nsw i32 %2, 1, !dbg !33
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store volatile i32 %inc, ptr @x, align 4, !dbg !33, !tbaa !19
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br label %if.end6, !dbg !35
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if.end6: ; preds = %if.then5, %invoke.cont3
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; CHECK: call void @llvm.pseudoprobe(i64 -1069303473483922844, i64 10
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ret void, !dbg !36
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terminate.lpad: ; preds = %if.end, %if.else, %invoke.cont, %if.then
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; CHECK-NOT: call void @llvm.pseudoprobe(i64 -1069303473483922844,
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%3 = landingpad { ptr, i32 }
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catch ptr null, !dbg !24
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%4 = extractvalue { ptr, i32 } %3, 0, !dbg !24
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call void @__clang_call_terminate(ptr %4) #3, !dbg !24
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unreachable, !dbg !24
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}
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; Function Attrs: mustprogress noinline nounwind uwtable
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define dso_local void @_Z3foov() #0 !dbg !37 {
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entry:
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ret void, !dbg !38
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}
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declare i32 @__gxx_personality_v0(...)
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; Function Attrs: noinline noreturn nounwind uwtable
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define linkonce_odr hidden void @__clang_call_terminate(ptr noundef %0) #1 comdat {
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%2 = call ptr @__cxa_begin_catch(ptr %0) #4
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call void @_ZSt9terminatev() #3
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unreachable
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}
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declare ptr @__cxa_begin_catch(ptr)
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declare void @_ZSt9terminatev()
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; Function Attrs: mustprogress noinline nounwind uwtable
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define dso_local void @_Z3bazv() #0 !dbg !39 {
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entry:
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ret void, !dbg !40
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}
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; CHECK: ![[#]] = !{i64 -3270123626113159616, i64 4294967295, !"_Z3bazv"}
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attributes #0 = { mustprogress noinline nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { noinline noreturn nounwind uwtable "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #2 = { mustprogress noinline norecurse nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #3 = { noreturn nounwind }
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attributes #4 = { nounwind }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9, !10, !11, !12}
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!llvm.ident = !{!13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 19.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "test.cpp", directory: "/home", checksumkind: CSK_MD5, checksum: "a4c7b0392f3fd9c8ebb85065159dbb02")
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!4 = !{!0}
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!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 7, !"Dwarf Version", i32 5}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{i32 8, !"PIC Level", i32 2}
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!11 = !{i32 7, !"PIE Level", i32 2}
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!12 = !{i32 7, !"uwtable", i32 2}
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!13 = !{!"clang version 19.0.0"}
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!14 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !3, file: !3, line: 4, type: !15, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!15 = !DISubroutineType(types: !16)
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!16 = !{null}
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!17 = !DILocation(line: 5, column: 6, scope: !18)
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!18 = distinct !DILexicalBlock(scope: !14, file: !3, line: 5, column: 6)
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!19 = !{!20, !20, i64 0}
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!20 = !{!"int", !21, i64 0}
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!21 = !{!"omnipotent char", !22, i64 0}
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!22 = !{!"Simple C++ TBAA"}
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!23 = !DILocation(line: 5, column: 6, scope: !14)
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!24 = !DILocation(line: 6, column: 5, scope: !25)
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!25 = distinct !DILexicalBlock(scope: !18, file: !3, line: 5, column: 9)
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!26 = !DILocation(line: 7, column: 5, scope: !25)
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!27 = !DILocation(line: 8, column: 3, scope: !25)
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!28 = !DILocation(line: 9, column: 5, scope: !18)
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!29 = !DILocation(line: 11, column: 3, scope: !14)
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!30 = !DILocation(line: 12, column: 6, scope: !31)
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!31 = distinct !DILexicalBlock(scope: !14, file: !3, line: 12, column: 6)
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!32 = !DILocation(line: 12, column: 6, scope: !14)
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!33 = !DILocation(line: 13, column: 5, scope: !34)
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!34 = distinct !DILexicalBlock(scope: !31, file: !3, line: 12, column: 9)
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!35 = !DILocation(line: 14, column: 5, scope: !34)
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!36 = !DILocation(line: 17, column: 1, scope: !14)
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!37 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !3, file: !3, line: 19, type: !15, scopeLine: 19, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!38 = !DILocation(line: 19, column: 13, scope: !37)
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!39 = distinct !DISubprogram(name: "baz", linkageName: "_Z3bazv", scope: !3, file: !3, line: 18, type: !15, scopeLine: 18, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!40 = !DILocation(line: 18, column: 13, scope: !39)
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!41 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 22, type: !42, scopeLine: 22, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!42 = !DISubroutineType(types: !43)
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!43 = !{!6}
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!44 = !DILocation(line: 23, column: 3, scope: !41)
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!45 = !DILocation(line: 24, column: 1, scope: !41)
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