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[SDAG] Use useDebugInstrRef instead of shouldUseDebugInstrRef #160686

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Merged
mikolaj-pirog merged 6 commits into from
Oct 8, 2025
Merged

[SDAG] Use useDebugInstrRef instead of shouldUseDebugInstrRef #160686

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d73e3a7
Use useDebugInstrRef instead of shouldUseDebugInstrRef
mikolaj-pirog Sep 25, 2025
fc4e588
Merge remote-tracking branch 'origin/main' into mpirog/fix-wrong-inst…
mikolaj-pirog Sep 30, 2025
5b69ca6
Merge remote-tracking branch 'other/main' into mpirog/fix-wrong-instr…
mikolaj-pirog Sep 30, 2025
1c7ada8
Merge remote-tracking branch 'other/main' into mpirog/fix-wrong-instr…
mikolaj-pirog Oct 7, 2025
fb7dd26
Add test
mikolaj-pirog Oct 7, 2025
57c39f4
Fix test
mikolaj-pirog Oct 8, 2025
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2 changes: 1 addition & 1 deletion llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -571,7 +571,7 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
SwiftError->setFunction(mf);
const Function &Fn = mf.getFunction();

bool InstrRef = mf.shouldUseDebugInstrRef();
bool InstrRef = mf.useDebugInstrRef();

FuncInfo->set(MF->getFunction(), *MF, CurDAG);

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37 changes: 37 additions & 0 deletions llvm/test/DebugInfo/X86/instr-ref-opt-bisect2.ll
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@@ -0,0 +1,37 @@
; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=1 | FileCheck %s
; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=10 | FileCheck %s
; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=100 | FileCheck %s

; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=1 -fast-isel=true | FileCheck %s
; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=10 -fast-isel=true | FileCheck %s
; RUN: llc %s -o - -stop-after=livedebugvalues -opt-bisect-limit=100 -fast-isel=true | FileCheck %s

; This test has the same purpose as the instr-ref-opt-bisect.ll, to check if
; during opt-bisect's optimisation level change we won't run into an assert.
; This is simply testing different IR.

; CHECK: DBG_VALUE

target triple = "x86_64-pc-windows-msvc"

define i1 @foo(i32 %arg) !dbg !3 {
entry:
#dbg_value(i32 %arg, !4, !DIExpression(), !5)
switch i32 %arg, label %bb [
i32 810, label %bb
], !dbg !5
bb:
%a = load volatile i1, ptr null, align 1
ret i1 false
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, emissionKind: FullDebug)
!1 = !DIFile(filename: "instr-ref-opt-bisect2.ll", directory: ".")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = distinct !DISubprogram(name: "instr-ref-opt-bisect2", file: !1, unit: !0)
!4 = !DILocalVariable(name: "arg", arg: 2, scope: !3)
!5 = !DILocation(line: 0, scope: !3)

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