1; RUN: llc -mtriple=s390x-linux-gnu -disable-fp-elim < %s | FileCheck %s 2; RUN: llc -mtriple=s390x-linux-gnu -disable-fp-elim -filetype=obj < %s \ 3; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=DEBUG %s 4; 5; This is a regression test making sure the location of variables is correct in 6; debugging information, even if they're addressed via the frame pointer. 7; Originally a copy of the AArch64 test, commandeered for SystemZ. 8; 9; First make sure main_arr is where we expect it: %r11 + 164 10; 11; CHECK: main: 12; CHECK: aghi %r15, -568 13; CHECK: la %r2, 164(%r11) 14; CHECK: brasl %r14, populate_array@PLT 15 16; DEBUG: DW_TAG_variable 17; Rather hard-coded, but 0x91 => DW_OP_fbreg and 0xa401 is SLEB128 encoded 164. 18; DEBUG-NOT: DW_TAG 19; DEBUG: DW_AT_location {{.*}}(<0x3> 91 a4 01 ) 20; DEBUG-NOT: DW_TAG 21; DEBUG: DW_AT_name {{.*}} "main_arr" 22 23 24@.str = private unnamed_addr constant [13 x i8] c"Total is %d\0A\00", align 2 25 26declare void @populate_array(i32*, i32) nounwind 27 28declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 29 30declare i32 @sum_array(i32*, i32) nounwind 31 32define i32 @main() nounwind { 33entry: 34 %retval = alloca i32, align 4 35 %main_arr = alloca [100 x i32], align 4 36 %val = alloca i32, align 4 37 store volatile i32 0, i32* %retval 38 call void @llvm.dbg.declare(metadata [100 x i32]* %main_arr, metadata !17, metadata !{!"0x102"}), !dbg !22 39 call void @llvm.dbg.declare(metadata i32* %val, metadata !23, metadata !{!"0x102"}), !dbg !24 40 %arraydecay = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !25 41 call void @populate_array(i32* %arraydecay, i32 100), !dbg !25 42 %arraydecay1 = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !26 43 %call = call i32 @sum_array(i32* %arraydecay1, i32 100), !dbg !26 44 store i32 %call, i32* %val, align 4, !dbg !26 45 %0 = load i32* %val, align 4, !dbg !27 46 %call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 0, i32 0), i32 %0), !dbg !27 47 ret i32 0, !dbg !28 48} 49 50declare i32 @printf(i8*, ...) 51 52!llvm.dbg.cu = !{!0} 53!llvm.module.flags = !{!30} 54 55!0 = !{!"0x11\0012\00clang version 3.2 \000\00\000\00\000", !29, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ] [/home/timnor01/a64-trunk/build/simple.c] [DW_LANG_C99] 56!1 = !{} 57!3 = !{!5, !11, !14} 58!5 = !{!"0x2e\00populate_array\00populate_array\00\004\000\001\000\006\00256\000\004", !29, !6, !7, null, void (i32*, i32)* @populate_array, null, null, !1} ; [ DW_TAG_subprogram ] [line 4] [def] [populate_array] 59!6 = !{!"0x29", !29} ; [ DW_TAG_file_type ] 60!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 61!8 = !{null, !9, !10} 62!9 = !{!"0xf\00\000\0064\0064\000\000", null, null, !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int] 63!10 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 64!11 = !{!"0x2e\00sum_array\00sum_array\00\009\000\001\000\006\00256\000\009", !29, !6, !12, null, i32 (i32*, i32)* @sum_array, null, null, !1} ; [ DW_TAG_subprogram ] [line 9] [def] [sum_array] 65!12 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 66!13 = !{!10, !9, !10} 67!14 = !{!"0x2e\00main\00main\00\0018\000\001\000\006\00256\000\0018", !29, !6, !15, null, i32 ()* @main, null, null, !1} ; [ DW_TAG_subprogram ] [line 18] [def] [main] 68!15 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 69!16 = !{!10} 70!17 = !{!"0x100\00main_arr\0019\000", !18, !6, !19} ; [ DW_TAG_auto_variable ] [main_arr] [line 19] 71!18 = !{!"0xb\0018\0016\004", !29, !14} ; [ DW_TAG_lexical_block ] [/home/timnor01/a64-trunk/build/simple.c] 72!19 = !{!"0x1\00\000\003200\0032\000\000", null, null, !10, !20, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 3200, align 32, offset 0] [from int] 73!20 = !{!"0x21\000\0099"} ; [ DW_TAG_subrange_type ] [0, 99] 74!22 = !MDLocation(line: 19, column: 7, scope: !18) 75!23 = !{!"0x100\00val\0020\000", !18, !6, !10} ; [ DW_TAG_auto_variable ] [val] [line 20] 76!24 = !MDLocation(line: 20, column: 7, scope: !18) 77!25 = !MDLocation(line: 22, column: 3, scope: !18) 78!26 = !MDLocation(line: 23, column: 9, scope: !18) 79!27 = !MDLocation(line: 24, column: 3, scope: !18) 80!28 = !MDLocation(line: 26, column: 3, scope: !18) 81!29 = !{!"simple.c", !"/home/timnor01/a64-trunk/build"} 82!30 = !{i32 1, !"Debug Info Version", i32 2} 83