1 files changed, 74 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/dwarf-no-source-loc.mir b/llvm/test/DebugInfo/X86/dwarf-no-source-loc.mir
new file mode 100644
index 00000000000..f6ad6ee6d4c
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/dwarf-no-source-loc.mir
@@ -0,0 +1,74 @@
+# RUN: llc -o - %s -start-before=patchable-function -use-unknown-locations=Default | FileCheck %s --check-prefixes=CHECK,DEFAULT
+# RUN: llc -o - %s -start-before=patchable-function -use-unknown-locations=Enable | FileCheck %s --check-prefixes=CHECK,ENABLE
+# RUN: llc -o - %s -start-before=patchable-function -use-unknown-locations=Disable | FileCheck %s --check-prefixes=CHECK,DISABLE
+--- |
+  target triple = "x86_64--"
+  
+  !0 = !DIFile(filename: "dwarf-no-source-loc.mir", directory: "/")
+  !1 = distinct !DICompileUnit(file: !0, language: DW_LANG_C, emissionKind: LineTablesOnly)
+  !2 = distinct !DISubprogram(name: "func", unit: !1)
+  !3 = !DILocation(line: 17, scope: !2)
+  !4 = !DILocation(line: 42, scope: !2)
+
+  !llvm.dbg.cu = !{!1}
+  !llvm.module.flags = !{!10, !11}
+  !10 = !{i32 2, !"Dwarf Version", i32 4}
+  !11 = !{i32 2, !"Debug Info Version", i32 3}
+  
+  define void @func() !dbg !2 {
+    unreachable
+  }
+...
+---
+name: func
+body: |
+  bb.0:
+    NOOP
+    NOOP
+    $eax = MOV32ri 1, debug-location !3
+    ; CHECK-LABEL: bb.0
+    ; CHECK: nop
+    ; CHECK: nop
+    ; CHECK: .loc 1 17 0 prologue_end
+    ; CHECK: movl $1, %eax
+
+  bb.1:
+    NOOP
+    $ebx = MOV32ri 2, debug-location !4
+    ; CHECK-LABEL: bb.1
+    ; DEFAULT: .loc 1 42 0
+    ; ENABLE: .loc 1 0
+    ; DISABLE-NOT: .loc 1 0
+    ; CHECK: nop
+    ; ENABLE: .loc 1 42 0
+    ; CHECK: movl $2, %ebx
+
+  bb.2:
+    NOOP
+    ; CHECK-LABEL: bb.2
+    ; DEFAULT: .loc 1 0 0 is_stmt 0
+    ; ENABLE: .loc 1 0 0 is_stmt 0
+    ; DISABLE-NOT: .loc 1 0
+    ; CHECK: nop
+
+  bb.3:
+    NOOP
+    $ecx = MOV32ri 3, debug-location !3
+    ; CHECK-LABEL: bb.3
+    ; CHECK: nop
+    ; DEFAULT: .loc 1 17 0 is_stmt 1
+    ; ENABLE: .loc 1 17 0 is_stmt 1
+    ; DISABLE-NOT: .loc 1 0
+    ; CHECK: movl $3, %ecx
+
+  bb.4:
+    NOOP
+    $edx = MOV32ri 4, debug-location !4
+    ; CHECK: bb.4
+    ; DEFAULT: .loc 1 42 0
+    ; ENABLE: .loc 1 0 0 is_stmt 0
+    ; DISABLE-NOT: .loc 1 0
+    ; CHECK: nop
+    ; ENABLE: .loc 1 42 0 is_stmt 1
+    ; CHECK: movl $4, %edx
+...