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c48140740e
Make sure the context and type fields are MDNodes. We will generate verification errors if those fields are non-empty strings. Fix testing cases to make them pass the verifier. llvm-svn: 187106
99 lines
5.9 KiB
LLVM
99 lines
5.9 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s
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; This is a regression test making sure the location of variables is correct in
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; debugging information, even if they're addressed via the frame pointer.
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; In case it needs, regenerating, the following suffices:
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; int printf(const char *, ...);
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; void populate_array(int *, int);
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; int sum_array(int *, int);
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; int main() {
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; int main_arr[100], val;
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; populate_array(main_arr, 100);
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; val = sum_array(main_arr, 100);
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; printf("Total is %d\n", val);
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; return 0;
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; }
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; First make sure main_arr is where we expect it: sp + 4 == x29 - 412:
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; CHECK: main:
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; CHECK: sub sp, sp, #432
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; CHECK: stp x29, x30, [sp, #416]
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; CHECK: add x29, sp, #416
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; CHECK: add {{x[0-9]+}}, sp, #4
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; Now check the debugging information reflects this:
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: .word .Linfo_string7
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; Rather hard-coded, but 145 => DW_OP_fbreg and the .ascii is LEB128 encoded -412.
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; CHECK: DW_AT_location
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; CHECK-NEXT: .byte 145
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; CHECK-NEXT: .ascii "\344|"
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; CHECK: .Linfo_string7:
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; CHECK-NEXT: main_arr
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target datalayout = "e-p:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-i128:128:128-f32:32:32-f64:64:64-f128:128:128-n32:64-S128"
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target triple = "aarch64-none-linux-gnu"
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@.str = private unnamed_addr constant [13 x i8] c"Total is %d\0A\00", align 1
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declare void @populate_array(i32*, i32) nounwind
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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declare i32 @sum_array(i32*, i32) nounwind
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define i32 @main() nounwind {
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entry:
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%retval = alloca i32, align 4
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%main_arr = alloca [100 x i32], align 4
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%val = alloca i32, align 4
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store i32 0, i32* %retval
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call void @llvm.dbg.declare(metadata !{[100 x i32]* %main_arr}, metadata !17), !dbg !22
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call void @llvm.dbg.declare(metadata !{i32* %val}, metadata !23), !dbg !24
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%arraydecay = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !25
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call void @populate_array(i32* %arraydecay, i32 100), !dbg !25
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%arraydecay1 = getelementptr inbounds [100 x i32]* %main_arr, i32 0, i32 0, !dbg !26
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%call = call i32 @sum_array(i32* %arraydecay1, i32 100), !dbg !26
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store i32 %call, i32* %val, align 4, !dbg !26
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%0 = load i32* %val, align 4, !dbg !27
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%call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 0, i32 0), i32 %0), !dbg !27
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ret i32 0, !dbg !28
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}
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declare i32 @printf(i8*, ...)
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 786449, metadata !29, i32 12, metadata !"clang version 3.2 ", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/home/timnor01/a64-trunk/build/simple.c] [DW_LANG_C99]
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!1 = metadata !{i32 0}
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!3 = metadata !{metadata !5, metadata !11, metadata !14}
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!5 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"populate_array", metadata !"populate_array", metadata !"", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32*, i32)* @populate_array, null, null, metadata !1, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [populate_array]
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!6 = metadata !{i32 786473, metadata !29} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{null, metadata !9, metadata !10}
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!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!11 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"sum_array", metadata !"sum_array", metadata !"", i32 9, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32*, i32)* @sum_array, null, null, metadata !1, i32 9} ; [ DW_TAG_subprogram ] [line 9] [def] [sum_array]
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!12 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!13 = metadata !{metadata !10, metadata !9, metadata !10}
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!14 = metadata !{i32 786478, metadata !29, metadata !6, metadata !"main", metadata !"main", metadata !"", i32 18, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !1, i32 18} ; [ DW_TAG_subprogram ] [line 18] [def] [main]
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!15 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!16 = metadata !{metadata !10}
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!17 = metadata !{i32 786688, metadata !18, metadata !"main_arr", metadata !6, i32 19, metadata !19, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [main_arr] [line 19]
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!18 = metadata !{i32 786443, metadata !29, metadata !14, i32 18, i32 16, i32 4} ; [ DW_TAG_lexical_block ] [/home/timnor01/a64-trunk/build/simple.c]
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!19 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 3200, i64 32, i32 0, i32 0, metadata !10, metadata !20, i32 0, i32 0} ; [ DW_TAG_array_type ] [line 0, size 3200, align 32, offset 0] [from int]
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!20 = metadata !{i32 786465, i64 0, i64 99} ; [ DW_TAG_subrange_type ] [0, 99]
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!22 = metadata !{i32 19, i32 7, metadata !18, null}
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!23 = metadata !{i32 786688, metadata !18, metadata !"val", metadata !6, i32 20, metadata !10, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [val] [line 20]
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!24 = metadata !{i32 20, i32 7, metadata !18, null}
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!25 = metadata !{i32 22, i32 3, metadata !18, null}
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!26 = metadata !{i32 23, i32 9, metadata !18, null}
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!27 = metadata !{i32 24, i32 3, metadata !18, null}
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!28 = metadata !{i32 26, i32 3, metadata !18, null}
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!29 = metadata !{metadata !"simple.c", metadata !"/home/timnor01/a64-trunk/build"}
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