Home | History | Annotate | Download | only in X86
      1 ; RUN: llc -O0 -filetype=asm %s -o - | FileCheck %s
      2 ; Test large integral function arguments passed in multiple registers.
      3 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 64 16] $ax
      4 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 48 16] $r9w
      5 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 32 16] $r10w
      6 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 16 16] $r11w
      7 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 0 16] $bx
      8 
      9 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
     10 target triple = "x86_64-unknown-unknown"
     11 
     12 %rec789 = type { [5 x i16] }
     13 
     14 define void @foo(%rec789 %bar) !dbg !6 {
     15   %bar.2 = alloca %rec789, align 1
     16   call void @llvm.dbg.value(metadata %rec789 %bar, metadata !17, metadata !DIExpression()), !dbg !18
     17   %1 = extractvalue %rec789 %bar, 0
     18   %.repack = getelementptr inbounds %rec789, %rec789* %bar.2, i16 0, i32 0, i16 0
     19   %.elt = extractvalue [5 x i16] %1, 0
     20   store i16 %.elt, i16* %.repack, align 1
     21   ret void, !dbg !19
     22 }
     23 
     24 ; Function Attrs: nounwind readnone speculatable
     25 declare void @llvm.dbg.value(metadata, metadata, metadata) #6
     26 
     27 !llvm.dbg.cu = !{!0}
     28 !llvm.module.flags = !{!3, !4}
     29 !llvm.ident = !{!5}
     30 
     31 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2)
     32 !1 = !DIFile(filename: "a.c", directory: "b")
     33 !2 = !{}
     34 !3 = !{i32 2, !"Dwarf Version", i32 4}
     35 !4 = !{i32 2, !"Debug Info Version", i32 3}
     36 !5 = !{!""}
     37 !6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 13, type: !7, isLocal: false, isDefinition: true, scopeLine: 14, isOptimized: false, unit: !0, retainedNodes: !2)
     38 !7 = !DISubroutineType(types: !8)
     39 !8 = !{!9, !9}
     40 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "MyStruct", file: !1, line: 11, baseType: !10)
     41 !10 = !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 9, size: 80, elements: !11)
     42 !11 = !{!12}
     43 !12 = !DIDerivedType(tag: DW_TAG_member, name: "Array", scope: !10, file: !1, line: 10, baseType: !13, size: 80)
     44 !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 80, elements: !15)
     45 !14 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
     46 !15 = !{!16}
     47 !16 = !DISubrange(count: 5)
     48 !17 = !DILocalVariable(name: "bar", arg: 1, scope: !6, line: 13, type: !9)
     49 !18 = !DILocation(line: 13, column: 23, scope: !6)
     50 !19 = !DILocation(line: 15, column: 5, scope: !6)
     51 !20 = !DILocation(line: 16, column: 1, scope: !6)
     52