[llvm] bc23ef3 - [LV] Add test showing incorrect debug location for scalar casts.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Sat Dec 21 14:35:17 PST 2024
Author: Florian Hahn
Date: 2024-12-21T22:30:36Z
New Revision: bc23ef3feba9f1c0ca55bc12754017712252b64d
URL: https://github.com/llvm/llvm-project/commit/bc23ef3feba9f1c0ca55bc12754017712252b64d
DIFF: https://github.com/llvm/llvm-project/commit/bc23ef3feba9f1c0ca55bc12754017712252b64d.diff
LOG: [LV] Add test showing incorrect debug location for scalar casts.
Added:
Modified:
llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll b/llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll
index 3e423d3f9e265f..5052ba81177514 100644
--- a/llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll
+++ b/llvm/test/Transforms/LoopVectorize/preserve-dbg-loc-and-loop-metadata.ll
@@ -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}
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