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[LV] Add test showing incorrect debug location for scalar casts.

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This commit is contained in:
Florian Hahn 2024-12-21 22:30:34 +00:00
parent 9b496deb90
commit bc23ef3feb
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1 changed files with 23 additions and 0 deletions
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23
llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll
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@ -86,6 +86,29 @@ for.end:
ret void
}
define void @scalar_cast_dbg(ptr nocapture %a, i32 %start, i64 %k) {
; DEBUGLOC-LABEL: define void @scalar_cast_dbg(
; DEBUGLOC: = trunc i64 %index to i32, !dbg [[CASTLOC:![0-9]+]]
;
; DEBUGLOC: loop:
; DEBUGLOC-NOT: %trunc.iv = trunc i64 %iv to i32, !dbg [[CASTLOC]]
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%trunc.iv = trunc i64 %iv to i32
%arrayidx = getelementptr inbounds i32, ptr %a, i32 %trunc.iv
store i32 %trunc.iv, ptr %arrayidx, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %k
br i1 %exitcond, label %exit, label %loop
exit:
ret void
}
!0 = !{!0, !1}
!1 = !{!"llvm.loop.vectorize.width", i32 4}
; CHECK-NOT: !{metadata !"llvm.loop.vectorize.width", i32 4}