82 lines
2.8 KiB
LLVM
82 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=nvptx64-nvidia-cuda < %s | FileCheck %s
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; Generated with -O1 from:
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; int f1();
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; void f2(int*);
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; int f3(int);
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;
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; int foo() {
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; int i = 3;
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; f3(i);
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; i = 7;
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; i = f1();
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; f2(&i);
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; return 0;
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; }
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;
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; Test that we generate valid debug info for optimized code,
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; particularly variables that are described as constants and passed
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; by reference.
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;
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; CHECK: DEBUG_VALUE: foo:i <- 3
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; CHECK: DEBUG_VALUE: foo:i <- 7
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; CHECK: DEBUG_VALUE: foo:i <- %
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; CHECK: DEBUG_VALUE: foo:i <- [DW_OP_deref] $vrdepot
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; Function Attrs: nounwind ssp uwtable
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define i32 @foo() #0 !dbg !4 {
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entry:
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%i = alloca i32, align 4
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call void @llvm.dbg.value(metadata i32 3, metadata !10, metadata !DIExpression()), !dbg !15
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%call = call i32 @f3(i32 3) #3, !dbg !16
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call void @llvm.dbg.value(metadata i32 7, metadata !10, metadata !DIExpression()), !dbg !18
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%call1 = call i32 (...) @f1() #3, !dbg !19
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call void @llvm.dbg.value(metadata i32 %call1, metadata !10, metadata !DIExpression()), !dbg !19
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store i32 %call1, i32* %i, align 4, !dbg !19, !tbaa !20
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call void @llvm.dbg.value(metadata i32* %i, metadata !10, metadata !DIExpression(DW_OP_deref)), !dbg !24
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call void @f2(i32* %i) #3, !dbg !24
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ret i32 0, !dbg !25
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}
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declare i32 @f3(i32)
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declare i32 @f1(...)
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declare void @f2(i32*)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind ssp uwtable }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11, !12}
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!llvm.ident = !{!13}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "dbg-value-const-byref.c", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, retainedNodes: !9)
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!5 = !DIFile(filename: "dbg-value-const-byref.c", directory: "")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "i", line: 6, scope: !4, file: !5, type: !8)
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!11 = !{i32 2, !"Dwarf Version", i32 2}
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!12 = !{i32 1, !"Debug Info Version", i32 3}
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!13 = !{!"clang version 3.5.0 "}
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!14 = !{i32 3}
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!15 = !DILocation(line: 6, scope: !4)
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!16 = !DILocation(line: 7, scope: !4)
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!17 = !{i32 7}
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!18 = !DILocation(line: 8, scope: !4)
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!19 = !DILocation(line: 9, scope: !4)
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!20 = !{!21, !21, i64 0}
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!21 = !{!"int", !22, i64 0}
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!22 = !{!"omnipotent char", !23, i64 0}
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!23 = !{!"Simple C/C++ TBAA"}
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!24 = !DILocation(line: 10, scope: !4)
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!25 = !DILocation(line: 11, scope: !4)
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