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annotate test/Transforms/AddDiscriminators/no-discriminators.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children afa8332a0e37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ; RUN: opt < %s -add-discriminators -S | FileCheck %s
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2
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3 ; We should not generate discriminators for DWARF versions prior to 4.
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4 ;
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5 ; Original code:
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6 ;
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7 ; int foo(long i) {
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8 ; if (i < 5) return 2; else return 90;
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9 ; }
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10 ;
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11 ; None of the !dbg nodes associated with the if() statement should be
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12 ; altered. If they are, it means that the discriminators pass added a
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13 ; new lexical scope.
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14
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15 define i32 @foo(i64 %i) #0 {
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16 entry:
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17 %retval = alloca i32, align 4
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18 %i.addr = alloca i64, align 8
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19 store i64 %i, i64* %i.addr, align 8
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20 call void @llvm.dbg.declare(metadata i64* %i.addr, metadata !13, metadata !{}), !dbg !14
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21 %0 = load i64* %i.addr, align 8, !dbg !15
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22 ; CHECK: %0 = load i64* %i.addr, align 8, !dbg !15
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23 %cmp = icmp slt i64 %0, 5, !dbg !15
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24 ; CHECK: %cmp = icmp slt i64 %0, 5, !dbg !15
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25 br i1 %cmp, label %if.then, label %if.else, !dbg !15
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26 ; CHECK: br i1 %cmp, label %if.then, label %if.else, !dbg !15
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27
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28 if.then: ; preds = %entry
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29 store i32 2, i32* %retval, !dbg !15
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30 br label %return, !dbg !15
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31
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32 if.else: ; preds = %entry
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33 store i32 90, i32* %retval, !dbg !15
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34 br label %return, !dbg !15
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35
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36 return: ; preds = %if.else, %if.then
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37 %1 = load i32* %retval, !dbg !17
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38 ret i32 %1, !dbg !17
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39 }
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41 ; Function Attrs: nounwind readnone
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42 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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43
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44 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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45 attributes #1 = { nounwind readnone }
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46
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47 !llvm.dbg.cu = !{!0}
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48 !llvm.module.flags = !{!10, !11}
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49 !llvm.ident = !{!12}
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50
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51 !0 = !{!"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [./no-discriminators] [DW_LANG_C99]
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52 !1 = !{!"no-discriminators", !"."}
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53 !2 = !{}
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54 !3 = !{!4}
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55 !4 = !{!"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, i32 (i64)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
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56 !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [./no-discriminators]
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57 !6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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58 !7 = !{!8, !9}
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59 !8 = !{!"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]
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60 !9 = !{!"0x24\00long int\000\0064\0064\000\000\005", null, null} ; [ DW_TAG_base_type ] [long int] [line 0, size 64, align 64, offset 0, enc DW_ATE_signed]
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61 !10 = !{i32 2, !"Dwarf Version", i32 2}
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62 ; CHECK: !10 = !{i32 2, !"Dwarf Version", i32 2}
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63 !11 = !{i32 1, !"Debug Info Version", i32 2}
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64 !12 = !{!"clang version 3.5.0 "}
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65 !13 = !{!"0x101\00i\0016777217\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [i] [line 1]
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66 !14 = !MDLocation(line: 1, scope: !4)
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67 !15 = !MDLocation(line: 2, scope: !16)
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68 ; CHECK: !15 = !MDLocation(line: 2, scope: !16)
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69 !16 = !{!"0xb\002\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [./no-discriminators]
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70 ; CHECK: !16 = !{!"0xb\002\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [./no-discriminators]
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71 !17 = !MDLocation(line: 3, scope: !4)