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Add a pass to collect dropped variable statistics #102233
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,25 @@ | ||
; RUN: opt -dropped-variable-stats %s -passes='verify' -S | FileCheck %s --check-prefix=NOT-DROPPED | ||
; NOT-DROPPED: Pass Level, Pass Name, Num of Dropped Variables, Func or Module Name | ||
; NOT-DROPPED-NOT: Function, ADCEPass, 1, _Z3bari | ||
|
||
; ModuleID = '/tmp/dropped.cpp' | ||
define noundef range(i32 -2147483646, -2147483648) i32 @_Z3bari(i32 noundef %y) local_unnamed_addr #1 !dbg !19 { | ||
#dbg_value(i32 %y, !15, !DIExpression(), !23) | ||
%add = add nsw i32 %y, 2,!dbg !25 | ||
ret i32 %add,!dbg !26 | ||
} | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. You're missing tests for the inline case and/or a lexical scope with a dbg_value that has all of its (childrens') instructions eliminated. |
||
!llvm.module.flags = !{ !3, !7} | ||
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 20.0.0git ([email protected]:llvm/llvm-project.git 7fc8398aaad65c4c29f1511c374d07308e667af5)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") | ||
!1 = !DIFile(filename: "/tmp/dropped.cpp", directory: "/Users/shubham/Development/llvm-project") | ||
!3 = !{i32 2, !"Debug Info Version", i32 3} | ||
!7 = !{i32 7, !"frame-pointer", i32 1} | ||
!9 = distinct !DISubprogram( unit: !0, retainedNodes: !14) | ||
!13 = !DIBasicType() | ||
!14 = !{} | ||
!15 = !DILocalVariable( scope: !9, type: !13) | ||
!19 = distinct !DISubprogram( unit: !0, retainedNodes: !20) | ||
!20 = !{} | ||
!23 = !DILocation( scope: !9, inlinedAt: !24) | ||
!24 = distinct !DILocation( scope: !19) | ||
!25 = !DILocation( scope: !19) | ||
!26 = !DILocation( scope: !19) |
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