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Differential D79863 Diff 265755 llvm/test/Transforms/InstCombine/debuginfo_add.ll

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llvm/test/Transforms/InstCombine/debuginfo_add.ll

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tail call void @llvm.dbg.value(metadata i32 undef, metadata !23, metadata !DIExpression()), !dbg !32 tail call void @llvm.dbg.value(metadata i32 undef, metadata !23, metadata !DIExpression()), !dbg !32
br i1 undef, label %for.end, label %for.body.lr.ph, !dbg !32 br i1 undef, label %for.end, label %for.body.lr.ph, !dbg !32
for.body.lr.ph: ; preds = %entry for.body.lr.ph: ; preds = %entry
; The 'load' and the 'add' are sunken to this basic block. So let's verify that the related dbg.values are sunken as well. ; The 'load' and the 'add' are sunken to this basic block. So let's verify that the related dbg.values are sunken as well.
; The add is later eliminated, so we verify that the dbg.value is salvaged by using DW_OP_minus. ; The add is later eliminated, so we verify that the dbg.value is salvaged by using DW_OP_minus.
; CHECK-LABEL: for.body.lr.ph: ; CHECK-LABEL: for.body.lr.ph:
; CHECK-NEXT: %0 = load ; CHECK-NEXT: %0 = load
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 %0, metadata !25, metadata !DIExpression()), !dbg !
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 %0, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg ! ; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 %0, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 %0, metadata !25, metadata !DIExpression()), !dbg !
OrlandoUnsubmitted
Done
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Am I right in thinking that this move is just a result of no longer calling reverse(...) in the debuginfo sink update code in instcombine?

Orlando: Am I right in thinking that this move is just a result of no longer calling `reverse(...)` in…
br label %for.body, !dbg !32 br label %for.body, !dbg !32
for.body: ; preds = %for.body.lr.ph, %for.body for.body: ; preds = %for.body.lr.ph, %for.body
; CHECK-LABEL: for.body: ; CHECK-LABEL: for.body:
%offset.010 = phi i64 [ %offset.08, %for.body.lr.ph ], [ %offset.0, %for.body ] %offset.010 = phi i64 [ %offset.08, %for.body.lr.ph ], [ %offset.0, %for.body ]
%head_size.09 = phi i32 [ undef, %for.body.lr.ph ], [ %sub2, %for.body ] %head_size.09 = phi i32 [ undef, %for.body.lr.ph ], [ %sub2, %for.body ]
tail call void @llvm.dbg.value(metadata i32 %head_size.09, metadata !23, metadata !DIExpression()), !dbg !31 tail call void @llvm.dbg.value(metadata i32 %head_size.09, metadata !23, metadata !DIExpression()), !dbg !31
%call = tail call i32 bitcast (i32 (...)* @use to i32 (i64, %struct.vm_object*)*)(i64 %offset.010, %struct.vm_object* %object) #3, !dbg !34 %call = tail call i32 bitcast (i32 (...)* @use to i32 (i64, %struct.vm_object*)*)(i64 %offset.010, %struct.vm_object* %object) #3, !dbg !34
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