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[SPIRV] Encode debug info producer in SPIR-V (#924)
* [SPIRV] Encode debug info producer in SPIR-V This is a workaround to keep debug info producer information throughout the translation. We need it because the debug info specification doesn't provide means to carry this information.
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Original file line number | Diff line number | Diff line change |
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; Test checks debug info of producer is preserved from LLVM IR to spirv | ||
; and spirv to LLVM IR translation. | ||
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; Original .cpp source: | ||
; | ||
; int main() { | ||
; return 0; | ||
; } | ||
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; Command line: | ||
; ./clang -cc1 -debug-info-kind=standalone -v s.cpp -S -emit-llvm -triple spir | ||
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; RUN: llvm-as %s -o %t.bc | ||
; RUN: llvm-spirv %t.bc -spirv-text -o - | FileCheck %s --check-prefix CHECK-SPIRV | ||
; RUN: llvm-spirv %t.bc -o %t.spv | ||
; RUN: llvm-spirv -r %t.spv -o %t.rev.bc | ||
; RUN: llvm-dis %t.rev.bc -o %t.rev.ll | ||
; RUN: FileCheck %s --input-file %t.rev.ll --check-prefix CHECK-LLVM | ||
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; ModuleID = 's.bc' | ||
source_filename = "s.cpp" | ||
target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64" | ||
target triple = "spir" | ||
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; Function Attrs: noinline norecurse nounwind optnone | ||
define i32 @main() #0 !dbg !8 { | ||
entry: | ||
%retval = alloca i32, align 4 | ||
store i32 0, i32* %retval, align 4 | ||
ret i32 0, !dbg !13 | ||
} | ||
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attributes #0 = { noinline norecurse nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } | ||
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!llvm.dbg.cu = !{!0} | ||
!llvm.module.flags = !{!3, !4, !5, !6} | ||
!opencl.used.extensions = !{!2} | ||
!opencl.used.optional.core.features = !{!2} | ||
!opencl.compiler.options = !{!2} | ||
!llvm.ident = !{!7} | ||
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; CHECK-LLVM: !DICompileUnit | ||
; CHECK-LLVM-SAME: producer: "clang version 13.0.0 (https://github.com/llvm/llvm-project.git 16a50c9e642fd085e5ceb68c403b71b5b2e0607c)" | ||
; CHECK-LLVM-NOT: producer: "spirv" | ||
; CHECK-SPIRV: ModuleProcessed "Debug info producer: clang version 13.0.0 (https://github.com/llvm/llvm-project.git 16a50c9e642fd085e5ceb68c403b71b5b2e0607c)" | ||
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0 (https://github.com/llvm/llvm-project.git 16a50c9e642fd085e5ceb68c403b71b5b2e0607c)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) | ||
!1 = !DIFile(filename: "<stdin>", directory: "oneAPI") | ||
!2 = !{} | ||
!3 = !{i32 2, !"Debug Info Version", i32 3} | ||
!4 = !{i32 1, !"wchar_size", i32 4} | ||
!5 = !{i32 1, !"ThinLTO", i32 0} | ||
!6 = !{i32 1, !"EnableSplitLTOUnit", i32 1} | ||
!7 = !{!"clang version 13.0.0 (https://github.com/llvm/llvm-project.git 16a50c9e642fd085e5ceb68c403b71b5b2e0607c)"} | ||
!8 = distinct !DISubprogram(name: "main", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) | ||
!9 = !DIFile(filename: "s.cpp", directory: "C:\\") | ||
!10 = !DISubroutineType(types: !11) | ||
!11 = !{!12} | ||
!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) | ||
!13 = !DILocation(line: 2, column: 2, scope: !8) |