1 ; RUN: opt -sroa -S -o - %s | FileCheck %s 2 ; REQUIRES: object-emission 3 target datalayout = "e-m:o-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 4 target triple = "thumbv7-apple-unknown-macho" 5 6 ; generated from (-triple thumbv7-apple-unknown-macho): 7 ; void f(_Complex double c) { c = 0; } 8 9 ; Function Attrs: nounwind 10 define arm_aapcscc void @f([2 x i64] %c.coerce) #0 !dbg !4 { 11 entry: 12 %c = alloca { double, double }, align 8 13 %0 = bitcast { double, double }* %c to [2 x i64]* 14 store [2 x i64] %c.coerce, [2 x i64]* %0, align 8 15 call void @llvm.dbg.declare(metadata { double, double }* %c, metadata !14, metadata !15), !dbg !16 16 %c.realp = getelementptr inbounds { double, double }, { double, double }* %c, i32 0, i32 0, !dbg !17 17 %c.imagp = getelementptr inbounds { double, double }, { double, double }* %c, i32 0, i32 1, !dbg !17 18 store double 0.000000e+00, double* %c.realp, align 8, !dbg !17 19 ; SROA will split the complex double into two i64 values, because there is 20 ; no native double data type available. 21 ; Test that debug info for both values survives: 22 ; CHECK: call void @llvm.dbg.value(metadata i64 0, i64 0, 23 ; CHECK-SAME: metadata ![[C:.*]], metadata ![[REAL:.*]]) 24 store double 0.000000e+00, double* %c.imagp, align 8, !dbg !17 25 ; CHECK: call void @llvm.dbg.value(metadata i64 0, i64 0, 26 ; CHECK-SAME: metadata ![[C]], metadata ![[IMG:.*]]) 27 ret void, !dbg !18 28 } 29 ; CHECK: ![[REAL]] = !DIExpression(DW_OP_bit_piece, 0, 64) 30 ; CHECK: ![[IMG]] = !DIExpression(DW_OP_bit_piece, 64, 64) 31 32 ; Function Attrs: nounwind readnone 33 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 34 35 attributes #0 = { nounwind } 36 attributes #1 = { nounwind readnone } 37 38 !llvm.dbg.cu = !{!0} 39 !llvm.module.flags = !{!9, !10, !11, !12} 40 !llvm.ident = !{!13} 41 42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 259998) (llvm/trunk 259999)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 43 !1 = !DIFile(filename: "<stdin>", directory: "/") 44 !2 = !{} 45 !4 = distinct !DISubprogram(name: "f", scope: !5, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 46 !5 = !DIFile(filename: "test.c", directory: "/") 47 !6 = !DISubroutineType(types: !7) 48 !7 = !{null, !8} 49 !8 = !DIBasicType(name: "complex", size: 128, align: 64, encoding: DW_ATE_complex_float) 50 !9 = !{i32 2, !"Dwarf Version", i32 2} 51 !10 = !{i32 2, !"Debug Info Version", i32 3} 52 !11 = !{i32 1, !"wchar_size", i32 4} 53 !12 = !{i32 1, !"min_enum_size", i32 4} 54 !13 = !{!"clang version 3.9.0 (trunk 259998) (llvm/trunk 259999)"} 55 !14 = !DILocalVariable(name: "c", arg: 1, scope: !4, file: !5, line: 1, type: !8) 56 !15 = !DIExpression() 57 !16 = !DILocation(line: 1, column: 24, scope: !4) 58 !17 = !DILocation(line: 1, column: 31, scope: !4) 59 !18 = !DILocation(line: 1, column: 36, scope: !4) 60
