1 files changed, 125 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/Mips/dsr-non-fixed-objects.ll b/llvm/test/DebugInfo/Mips/dsr-non-fixed-objects.ll
new file mode 100644
index 00000000000..7bd68318ca5
--- /dev/null
+++ b/llvm/test/DebugInfo/Mips/dsr-non-fixed-objects.ll
@@ -0,0 +1,125 @@
+; RUN: llc -march=mips -mcpu=mips32r2 -O0 -filetype=obj <%s | \
+; RUN:    llvm-dwarfdump -debug-dump=all - | FileCheck %s -check-prefix=F2
+; RUN: llc -march=mips -mcpu=mips32r2 -O0 -filetype=obj <%s | \
+; RUN:    llvm-dwarfdump -debug-dump=all - | FileCheck %s -check-prefix=F3
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata)
+
+declare void @foo(i32*)
+
+; void foo(int *);
+;
+; int f2(int a, int b) {
+;   int c __attribute__((aligned(16))) = a + b;
+;   foo(&c);
+;   return c;
+; }
+;
+; int *f3(int a, int b) {
+;   int c __attribute__((aligned(16))) = a + b;
+;   int *w = alloca(c);
+;   foo(&c);
+;   return w;
+; }
+
+; c -> DW_OP_breg29(r29): 16
+; F2: DW_AT_location [DW_FORM_exprloc]      (<0x2> 8d 10 )
+; F2: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x00000065] = "c")
+
+; Function Attrs: nounwind
+define i32 @f2(i32 signext %a, i32 signext %b) !dbg !4 {
+entry:
+  %a.addr = alloca i32, align 4
+  %b.addr = alloca i32, align 4
+  %c = alloca i32, align 16
+  store i32 %a, i32* %a.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !16), !dbg !17
+  store i32 %b, i32* %b.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !18, metadata !16), !dbg !19
+  call void @llvm.dbg.declare(metadata i32* %c, metadata !20, metadata !16), !dbg !21
+  %0 = load i32, i32* %a.addr, align 4, !dbg !22
+  %1 = load i32, i32* %b.addr, align 4, !dbg !23
+  %add = add nsw i32 %0, %1, !dbg !24
+  store i32 %add, i32* %c, align 16, !dbg !21
+  call void @foo(i32* %c), !dbg !25
+  %2 = load i32, i32* %c, align 16, !dbg !26
+  ret i32 %2, !dbg !27
+}
+
+; c -> DW_OP_breg23(r23): 16
+; F3: DW_AT_location [DW_FORM_exprloc]      (<0x2> 87 10 )
+; F3: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x00000065] = "c")
+
+define i32* @f3(i32 signext %a, i32 signext %b) !dbg !8 {
+entry:
+  %a.addr = alloca i32, align 4
+  %b.addr = alloca i32, align 4
+  %c = alloca i32, align 16
+  %w = alloca i32*, align 4
+  store i32 %a, i32* %a.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !28, metadata !16), !dbg !29
+  store i32 %b, i32* %b.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !30, metadata !16), !dbg !31
+  call void @llvm.dbg.declare(metadata i32* %c, metadata !32, metadata !16), !dbg !33
+  %0 = load i32, i32* %a.addr, align 4, !dbg !34
+  %1 = load i32, i32* %b.addr, align 4, !dbg !35
+  %add = add nsw i32 %0, %1, !dbg !36
+  store i32 %add, i32* %c, align 16, !dbg !33
+  call void @llvm.dbg.declare(metadata i32** %w, metadata !37, metadata !16), !dbg !38
+  %2 = load i32, i32* %c, align 16, !dbg !39
+  %3 = alloca i8, i32 %2, !dbg !40
+  %4 = bitcast i8* %3 to i32*, !dbg !40
+  store i32* %4, i32** %w, align 4, !dbg !38
+  call void @foo(i32* %c), !dbg !41
+  %5 = load i32*, i32** %w, align 4, !dbg !42
+  ret i32* %5, !dbg !43
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!12, !13}
+!llvm.ident = !{!14}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3)
+!1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")
+!2 = !{}
+!3 = !{!4, !8}
+!4 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 20, type: !5, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
+!5 = !DISubroutineType(types: !6)
+!6 = !{!7, !7, !7}
+!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!8 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 27, type: !9, isLocal: false, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
+!9 = !DISubroutineType(types: !10)
+!10 = !{!11, !7, !7}
+!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32, align: 32)
+!12 = !{i32 2, !"Dwarf Version", i32 4}
+!13 = !{i32 2, !"Debug Info Version", i32 3}
+!14 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}
+!15 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 20, type: !7)
+!16 = !DIExpression()
+!17 = !DILocation(line: 20, column: 12, scope: !4)
+!18 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 20, type: !7)
+!19 = !DILocation(line: 20, column: 19, scope: !4)
+!20 = !DILocalVariable(name: "c", scope: !4, file: !1, line: 21, type: !7)
+!21 = !DILocation(line: 21, column: 7, scope: !4)
+!22 = !DILocation(line: 21, column: 40, scope: !4)
+!23 = !DILocation(line: 21, column: 44, scope: !4)
+!24 = !DILocation(line: 21, column: 42, scope: !4)
+!25 = !DILocation(line: 22, column: 3, scope: !4)
+!26 = !DILocation(line: 23, column: 10, scope: !4)
+!27 = !DILocation(line: 23, column: 3, scope: !4)
+!28 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 27, type: !7)
+!29 = !DILocation(line: 27, column: 13, scope: !8)
+!30 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 27, type: !7)
+!31 = !DILocation(line: 27, column: 20, scope: !8)
+!32 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 28, type: !7)
+!33 = !DILocation(line: 28, column: 7, scope: !8)
+!34 = !DILocation(line: 28, column: 40, scope: !8)
+!35 = !DILocation(line: 28, column: 44, scope: !8)
+!36 = !DILocation(line: 28, column: 42, scope: !8)
+!37 = !DILocalVariable(name: "w", scope: !8, file: !1, line: 29, type: !11)
+!38 = !DILocation(line: 29, column: 8, scope: !8)
+!39 = !DILocation(line: 29, column: 19, scope: !8)
+!40 = !DILocation(line: 29, column: 12, scope: !8)
+!41 = !DILocation(line: 30, column: 3, scope: !8)
+!42 = !DILocation(line: 31, column: 10, scope: !8)
+!43 = !DILocation(line: 31, column: 3, scope: !8)