1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopDistribute/debug-loc.ll b/llvm/test/Transforms/LoopDistribute/debug-loc.ll
new file mode 100644
index 000000000000..6456c3452b96
--- /dev/null
+++ b/llvm/test/Transforms/LoopDistribute/debug-loc.ll
@@ -0,0 +1,43 @@
+; REQUIRES: asserts
+; RUN: opt -passes=loop-distribute -enable-loop-distribute \
+; RUN:   -debug-only=loop-distribute -disable-output 2>&1 %s | FileCheck %s
+
+define void @f(ptr noalias %a, ptr noalias %b, ptr noalias %c, ptr noalias %d, i64 %stride) {
+; CHECK-LABEL: LDist: Checking a loop in 'f' from f.c:5:2
+entry:
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %entry
+  %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]
+  %gep.a = getelementptr inbounds i32, ptr %a, i64 %ind
+  %load.a = load i32, ptr %gep.a, align 4
+  %gep.b = getelementptr inbounds i32, ptr %b, i64 %ind
+  %load.b = load i32, ptr %gep.b, align 4
+  %mul.a = mul i32 %load.b, %load.a
+  %add = add nuw nsw i64 %ind, 1
+  %gep.a.plus4 = getelementptr inbounds i32, ptr %a, i64 %add
+  store i32 %mul.a, ptr %gep.a.plus4, align 4
+  %gep.d = getelementptr inbounds i32, ptr %d, i64 %ind
+  %loadD = load i32, ptr %gep.d, align 4
+  %mul = mul i64 %ind, %stride
+  %gep.strided.a = getelementptr inbounds i32, ptr %a, i64 %mul
+  %load.strided.a = load i32, ptr %gep.strided.a, align 4
+  %mul.c = mul i32 %loadD, %load.strided.a
+  %gep.c = getelementptr inbounds i32, ptr %c, i64 %ind
+  store i32 %mul.c, ptr %gep.c, align 4
+  %exitcond = icmp eq i64 %add, 20
+  br i1 %exitcond, label %exit, label %for.body, !dbg !2
+
+exit:                                             ; preds = %for.body
+  ret void
+}
+
+!llvm.module.flags = !{!5, !6, !7}
+
+!0 = !DIFile(filename: "f.c", directory: "/")
+!1 = distinct !DISubprogram(name: "f", scope: !0, file: !0, unit: !4)
+!2 = !DILocation(line: 5, column: 2, scope: !1)
+!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !0, producer: "clang")
+!5 = !{i32 1, !"Debug Info Version", i32 3}
+!6 = !{i32 2, !"Dwarf Version", i32 2}
+!7 = !{i32 1, !"PIC Level", i32 2}