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