forked from OSchip/llvm-project
195 lines
9.2 KiB
LLVM
195 lines
9.2 KiB
LLVM
; RUN: llc %s -stop-before finalize-isel -o - | FileCheck %s
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;--------------------------------------------------------------------
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; This test case is basically generated from the following C code.
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; Compiled with "--target=x86_64-apple-darwin -S -g -O3" to get debug
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; info for optimized code.
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;
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; struct SS {
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; int a;
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; int b;
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; } S = { .a = 23, .b = -17 };
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;
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; int test1() {
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; struct SS* foo1 = &S;
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; return (int)foo1;
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; }
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;
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; int test2() {
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; struct SS* foo2 = &S;
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; struct SS* bar2 = &S;
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; return (int)foo2 + (int)bar2;
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; }
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;
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; int test3() {
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; struct SS* bar3 = &S;
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; struct SS* foo3 = &S;
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; return (int)foo3 + (int)bar3;
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; }
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;
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; int test4() {
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; struct SS* foo4 = &S;
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; struct SS* bar4 = &S;
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; foo = 0;
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; return (int)foo4 + (int)bar4;
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; }
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;
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; int test5() {
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; struct SS* bar5 = &S;
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; struct SS* foo5 = &S;
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; foo5 = 0;
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; return (int)foo5 + (int)bar5;
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; }
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;--------------------------------------------------------------------
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; CHECK: ![[FOO1:.*]] = !DILocalVariable(name: "foo1"
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; CHECK: ![[BAR1:.*]] = !DILocalVariable(name: "bar1"
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; CHECK: ![[FOO2:.*]] = !DILocalVariable(name: "foo2"
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; CHECK: ![[BAR2:.*]] = !DILocalVariable(name: "bar2"
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; CHECK: ![[FOO3:.*]] = !DILocalVariable(name: "bar3"
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; CHECK: ![[BAR3:.*]] = !DILocalVariable(name: "foo3"
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; CHECK: ![[FOO4:.*]] = !DILocalVariable(name: "foo4"
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; CHECK: ![[BAR4:.*]] = !DILocalVariable(name: "bar4"
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; CHECK: ![[BAR5:.*]] = !DILocalVariable(name: "bar5"
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; CHECK: ![[FOO5:.*]] = !DILocalVariable(name: "foo5"
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source_filename = "sdag-dangling-dbgvalue.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.4.0"
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%struct.SS = type { i32, i32 }
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@S = global %struct.SS { i32 23, i32 -17 }, align 4, !dbg !0
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; Verify that the def comes before the for foo1.
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define i32 @test1() local_unnamed_addr #0 !dbg !17 {
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; CHECK-LABEL: bb.0.entry1
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; CHECK-NEXT: DBG_VALUE 0, $noreg, ![[BAR1]], !DIExpression()
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; CHECK-NEXT: [[REG1:%[0-9]+]]:gr64 =
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; CHECK-NEXT: DBG_VALUE [[REG1]], $noreg, ![[FOO1]], !DIExpression()
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entry1:
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !20, metadata !DIExpression()), !dbg !23
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call void @llvm.dbg.value(metadata %struct.SS* null, metadata !22, metadata !DIExpression()), !dbg !24
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ret i32 ptrtoint (%struct.SS* @S to i32), !dbg !25
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}
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; Verify that the def comes before the for foo2 and bar2.
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define i32 @test2() local_unnamed_addr #0 !dbg !26 {
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; CHECK-LABEL: bb.0.entry2
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; CHECK-NEXT: [[REG2:%[0-9]+]]:gr64 =
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; CHECK-NEXT: DBG_VALUE [[REG2]], $noreg, ![[FOO2]], !DIExpression()
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; CHECK-NEXT: DBG_VALUE [[REG2]], $noreg, ![[BAR2]], !DIExpression()
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entry2:
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !28, metadata !DIExpression()), !dbg !30
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !29, metadata !DIExpression()), !dbg !31
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ret i32 add (i32 ptrtoint (%struct.SS* @S to i32), i32 ptrtoint (%struct.SS* @S to i32)), !dbg !32
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}
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; Verify that the def comes before the for foo3 and bar3.
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define i32 @test3() local_unnamed_addr #0 !dbg !33 {
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; CHECK-LABEL: bb.0.entry3
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; CHECK-NEXT: [[REG3:%[0-9]+]]:gr64 =
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; CHECK-NEXT: DBG_VALUE [[REG3]], $noreg, ![[BAR3]], !DIExpression()
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; CHECK-NEXT: DBG_VALUE [[REG3]], $noreg, ![[FOO3]], !DIExpression()
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entry3:
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !36, metadata !DIExpression()), !dbg !38
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !35, metadata !DIExpression()), !dbg !37
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ret i32 add (i32 ptrtoint (%struct.SS* @S to i32), i32 ptrtoint (%struct.SS* @S to i32)), !dbg !39
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}
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; Verify that the def comes before the for bar4.
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define i32 @test4() local_unnamed_addr #0 !dbg !40 {
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; CHECK-LABEL: bb.0.entry4
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; CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[FOO4]], !DIExpression()
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; CHECK-NEXT: DBG_VALUE 0, $noreg, ![[FOO4]], !DIExpression()
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; CHECK-NEXT: [[REG4:%[0-9]+]]:gr64 =
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; CHECK-NEXT: DBG_VALUE [[REG4]], $noreg, ![[BAR4]], !DIExpression()
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entry4:
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !42, metadata !DIExpression()), !dbg !44
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !43, metadata !DIExpression()), !dbg !45
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call void @llvm.dbg.value(metadata %struct.SS* null, metadata !42, metadata !DIExpression()), !dbg !44
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ret i32 ptrtoint (%struct.SS* @S to i32), !dbg !46
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}
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; Verify that we do not get a DBG_VALUE that maps foo5 to @S here.
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define i32 @test5() local_unnamed_addr #0 !dbg !47 {
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; CHECK-LABEL: bb.0.entry5:
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; CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[FOO5]], !DIExpression()
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; CHECK-NEXT: DBG_VALUE 0, $noreg, ![[FOO5]], !DIExpression()
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; CHECK-NEXT: [[REG5:%[0-9]+]]:gr64 =
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; CHECK-NEXT: DBG_VALUE [[REG5]], $noreg, ![[BAR5]], !DIExpression()
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; CHECK-NOT: DBG_VALUE [[REG5]], $noreg, ![[FOO5]], !DIExpression()
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; CHECK: RET
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entry5:
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !49, metadata !DIExpression()), !dbg !51
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call void @llvm.dbg.value(metadata %struct.SS* @S, metadata !50, metadata !DIExpression()), !dbg !52
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call void @llvm.dbg.value(metadata %struct.SS* null, metadata !50, metadata !DIExpression()), !dbg !52
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ret i32 ptrtoint (%struct.SS* @S to i32), !dbg !53
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind readnone uwtable }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!12, !13, !14, !15}
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!llvm.ident = !{!16}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "S", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 327229) (llvm/trunk 327239)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !7)
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!3 = !DIFile(filename: "sdag-dangling-dbgvalue.c", directory: "/repo/uabbpet/llvm-master")
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!4 = !{}
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!5 = !{!6}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{!0}
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!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "SS", file: !3, line: 1, size: 64, elements: !9)
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!9 = !{!10, !11}
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !8, file: !3, line: 2, baseType: !6, size: 32)
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !8, file: !3, line: 3, baseType: !6, size: 32, offset: 32)
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!12 = !{i32 2, !"Dwarf Version", i32 2}
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!13 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{i32 1, !"wchar_size", i32 4}
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!15 = !{i32 7, !"PIC Level", i32 2}
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!16 = !{!"clang version 7.0.0 (trunk 327229) (llvm/trunk 327239)"}
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!17 = distinct !DISubprogram(name: "test1", scope: !3, file: !3, line: 6, type: !18, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !2, retainedNodes: !19)
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!18 = !DISubroutineType(types: !5)
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!19 = !{!20, !22}
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!20 = !DILocalVariable(name: "foo1", scope: !17, file: !3, line: 7, type: !21)
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!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
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!22 = !DILocalVariable(name: "bar1", scope: !17, file: !3, line: 8, type: !21)
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!23 = !DILocation(line: 7, column: 14, scope: !17)
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!24 = !DILocation(line: 8, column: 14, scope: !17)
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!25 = !DILocation(line: 9, column: 3, scope: !17)
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!26 = distinct !DISubprogram(name: "test2", scope: !3, file: !3, line: 12, type: !18, isLocal: false, isDefinition: true, scopeLine: 12, isOptimized: true, unit: !2, retainedNodes: !27)
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!27 = !{!28, !29}
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!28 = !DILocalVariable(name: "foo2", scope: !26, file: !3, line: 13, type: !21)
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!29 = !DILocalVariable(name: "bar2", scope: !26, file: !3, line: 14, type: !21)
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!30 = !DILocation(line: 13, column: 14, scope: !26)
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!31 = !DILocation(line: 14, column: 14, scope: !26)
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!32 = !DILocation(line: 15, column: 3, scope: !26)
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!33 = distinct !DISubprogram(name: "test3", scope: !3, file: !3, line: 18, type: !18, isLocal: false, isDefinition: true, scopeLine: 18, isOptimized: true, unit: !2, retainedNodes: !34)
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!34 = !{!35, !36}
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!35 = !DILocalVariable(name: "bar3", scope: !33, file: !3, line: 19, type: !21)
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!36 = !DILocalVariable(name: "foo3", scope: !33, file: !3, line: 20, type: !21)
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!37 = !DILocation(line: 19, column: 14, scope: !33)
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!38 = !DILocation(line: 20, column: 14, scope: !33)
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!39 = !DILocation(line: 21, column: 3, scope: !33)
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!40 = distinct !DISubprogram(name: "test4", scope: !3, file: !3, line: 24, type: !18, isLocal: false, isDefinition: true, scopeLine: 24, isOptimized: true, unit: !2, retainedNodes: !41)
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!41 = !{!42, !43}
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!42 = !DILocalVariable(name: "foo4", scope: !40, file: !3, line: 25, type: !21)
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!43 = !DILocalVariable(name: "bar4", scope: !40, file: !3, line: 26, type: !21)
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!44 = !DILocation(line: 25, column: 14, scope: !40)
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!45 = !DILocation(line: 26, column: 14, scope: !40)
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!46 = !DILocation(line: 28, column: 3, scope: !40)
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!47 = distinct !DISubprogram(name: "test5", scope: !3, file: !3, line: 31, type: !18, isLocal: false, isDefinition: true, scopeLine: 31, isOptimized: true, unit: !2, retainedNodes: !48)
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!48 = !{!49, !50}
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!49 = !DILocalVariable(name: "bar5", scope: !47, file: !3, line: 32, type: !21)
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!50 = !DILocalVariable(name: "foo5", scope: !47, file: !3, line: 33, type: !21)
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!51 = !DILocation(line: 32, column: 14, scope: !47)
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!52 = !DILocation(line: 33, column: 14, scope: !47)
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!53 = !DILocation(line: 35, column: 3, scope: !47)
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