1 ; RUN: %llc_dwarf -filetype=obj -mattr=+vfp2 -float-abi=hard < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 2 ; RUN: %llc_dwarf -filetype=obj -mattr=-vfp2 -float-abi=soft < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 3 ; REQUIRES: object-emission 4 5 ; Generated by clang -O1 -g from the following C source: 6 ; float foo(float p) { 7 ; return p; 8 ; } 9 10 ; When using the soft-float calling convention, we have to look through a 11 ; bitcast to find the register which contains the argument. 12 13 ; CHECK: 0x{{[0-9a-f]*}}: DW_TAG_formal_parameter 14 ; CHECK-NEXT: DW_AT_location 15 16 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 17 target triple = "armv7--none-eabi" 18 19 define float @foo(float %p) !dbg !4 { 20 entry: 21 tail call void @llvm.dbg.value(metadata float %p, i64 0, metadata !9, metadata !15), !dbg !16 22 ret float %p, !dbg !18 23 } 24 25 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) 26 27 !llvm.dbg.cu = !{!0} 28 !llvm.module.flags = !{!10, !11} 29 30 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3) 31 !1 = !DIFile(filename: "test.c", directory: "") 32 !2 = !{} 33 !3 = !{!4} 34 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, variables: !8) 35 !5 = !DISubroutineType(types: !6) 36 !6 = !{!7, !7} 37 !7 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float) 38 !8 = !{!9} 39 !9 = !DILocalVariable(name: "p", arg: 1, scope: !4, file: !1, line: 1, type: !7) 40 !10 = !{i32 2, !"Dwarf Version", i32 4} 41 !11 = !{i32 2, !"Debug Info Version", i32 3} 42 !15 = !DIExpression() 43 !16 = !DILocation(line: 1, column: 17, scope: !4) 44 !17 = !DILocation(line: 2, column: 12, scope: !4) 45 !18 = !DILocation(line: 2, column: 3, scope: !4) 46