forked from OSchip/llvm-project
142 lines
7.1 KiB
LLVM
142 lines
7.1 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
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; struct A {
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; int arg0;
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; double arg1[2];
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; } a, b;
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;
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; void fn3(A p1) {
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; if (p1.arg0)
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; a = p1;
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; }
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;
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; void fn4() { fn3(b); }
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;
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; void fn5() {
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; while (1)
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; fn4();
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; }
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; ModuleID = 'test.cpp'
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-apple-darwin"
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%struct.A = type { i32, [2 x double] }
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@a = global %struct.A zeroinitializer, align 8
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@b = global %struct.A zeroinitializer, align 8
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; Function Attrs: nounwind
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declare void @_Z3fn31A(%struct.A* nocapture readonly %p1) #0
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
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; Function Attrs: nounwind
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define void @_Z3fn4v() #0 {
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entry:
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; Test that the dbg.declare is moved together with the alloca.
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; CHECK: define void @_Z3fn5v()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %agg.tmp.sroa.3.i = alloca [20 x i8], align 4
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3.i,
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%agg.tmp.sroa.3 = alloca [20 x i8], align 4
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tail call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3, metadata !46, metadata !48), !dbg !49
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%agg.tmp.sroa.0.0.copyload = load i32, i32* getelementptr inbounds (%struct.A* @b, i64 0, i32 0), align 8, !dbg !50
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tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, i64 0, metadata !46, metadata !51), !dbg !49
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%agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds [20 x i8], [20 x i8]* %agg.tmp.sroa.3, i64 0, i64 0, !dbg !50
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.3.0..sroa_idx, i8* getelementptr (i8* bitcast (%struct.A* @b to i8*), i64 4), i64 20, i32 4, i1 false), !dbg !50
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tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !46, metadata !31) #2, !dbg !49
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%tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !52
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br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !53
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if.then.i: ; preds = %entry
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store i32 %agg.tmp.sroa.0.0.copyload, i32* getelementptr inbounds (%struct.A* @a, i64 0, i32 0), align 8, !dbg !54
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr (i8* bitcast (%struct.A* @a to i8*), i64 4), i8* %agg.tmp.sroa.3.0..sroa_idx, i64 20, i32 4, i1 false), !dbg !54
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br label %_Z3fn31A.exit, !dbg !54
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_Z3fn31A.exit: ; preds = %entry, %if.then.i
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ret void, !dbg !50
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}
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; Function Attrs: noreturn nounwind
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define void @_Z3fn5v() #3 {
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entry:
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br label %while.body, !dbg !55
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while.body: ; preds = %entry, %while.body
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call void @_Z3fn4v(), !dbg !56
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br label %while.body, !dbg !55
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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attributes #3 = { noreturn nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!28, !29}
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!llvm.ident = !{!30}
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!0 = !{!"0x11\004\00clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)\001\00\000\00\001", !1, !2, !3, !14, !25, !2} ; [ DW_TAG_compile_unit ] [/<stdin>] [DW_LANG_C_plus_plus]
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!1 = !{!"<stdin>", !""}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x13\00A\001\00192\0064\000\000\000", !5, null, null, !6, null, null, !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 1, size 192, align 64, offset 0] [def] [from ]
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!5 = !{!"test.cpp", !""}
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!6 = !{!7, !9}
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!7 = !{!"0xd\00arg0\002\0032\0032\000\000", !5, !"_ZTS1A", !8} ; [ DW_TAG_member ] [arg0] [line 2, size 32, align 32, offset 0] [from int]
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!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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!9 = !{!"0xd\00arg1\003\00128\0064\0064\000", !5, !"_ZTS1A", !10} ; [ DW_TAG_member ] [arg1] [line 3, size 128, align 64, offset 64] [from ]
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!10 = !{!"0x1\00\000\00128\0064\000\000\000", null, null, !11, !12, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 128, align 64, offset 0] [from double]
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!11 = !{!"0x24\00double\000\0064\0064\000\000\004", null, null} ; [ DW_TAG_base_type ] [double] [line 0, size 64, align 64, offset 0, enc DW_ATE_float]
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!12 = !{!13}
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!13 = !{!"0x21\000\002"} ; [ DW_TAG_subrange_type ] [0, 1]
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!14 = !{!15, !21, !24}
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!15 = !{!"0x2e\00fn3\00fn3\00_Z3fn31A\006\000\001\000\000\00256\001\006", !5, !16, !17, null, void (%struct.A*)* @_Z3fn31A, null, null, !19} ; [ DW_TAG_subprogram ] [line 6] [def] [fn3]
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!16 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [/test.cpp]
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!17 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!18 = !{null, !"_ZTS1A"}
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!19 = !{!20}
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!20 = !{!"0x101\00p1\0016777222\000", !15, !16, !"_ZTS1A"} ; [ DW_TAG_arg_variable ] [p1] [line 6]
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!21 = !{!"0x2e\00fn4\00fn4\00_Z3fn4v\0011\000\001\000\000\00256\001\0011", !5, !16, !22, null, void ()* @_Z3fn4v, null, null, !2} ; [ DW_TAG_subprogram ] [line 11] [def] [fn4]
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!22 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !23, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!23 = !{null}
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!24 = !{!"0x2e\00fn5\00fn5\00_Z3fn5v\0013\000\001\000\000\00256\001\0013", !5, !16, !22, null, void ()* @_Z3fn5v, null, null, !2} ; [ DW_TAG_subprogram ] [line 13] [def] [fn5]
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!25 = !{!26, !27}
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!26 = !{!"0x34\00a\00a\00\004\000\001", null, !16, !"_ZTS1A", %struct.A* @a, null} ; [ DW_TAG_variable ] [a] [line 4] [def]
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!27 = !{!"0x34\00b\00b\00\004\000\001", null, !16, !"_ZTS1A", %struct.A* @b, null} ; [ DW_TAG_variable ] [b] [line 4] [def]
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!28 = !{i32 2, !"Dwarf Version", i32 4}
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!29 = !{i32 2, !"Debug Info Version", i32 2}
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!30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
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!31 = !{!"0x102\006"} ; [ DW_TAG_expression ] [DW_OP_deref]
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!32 = !MDLocation(line: 6, scope: !15)
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!33 = !MDLocation(line: 7, scope: !34)
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!34 = !{!"0xb\007\000\000", !5, !15} ; [ DW_TAG_lexical_block ] [/test.cpp]
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!35 = !{!36, !37, i64 0}
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!36 = !{!"_ZTS1A", !37, i64 0, !38, i64 8}
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!37 = !{!"int", !38, i64 0}
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!38 = !{!"omnipotent char", !39, i64 0}
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!39 = !{!"Simple C/C++ TBAA"}
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!40 = !MDLocation(line: 7, scope: !15)
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!41 = !MDLocation(line: 8, scope: !34)
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!42 = !{i64 0, i64 4, !43, i64 8, i64 16, !44}
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!43 = !{!37, !37, i64 0}
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!44 = !{!38, !38, i64 0}
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!45 = !MDLocation(line: 9, scope: !15)
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!46 = !{!"0x101\00p1\0016777222\000", !15, !16, !"_ZTS1A", !47} ; [ DW_TAG_arg_variable ] [p1] [line 6]
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!47 = distinct !MDLocation(line: 11, scope: !21)
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!48 = !{!"0x102\00157\0032\00160"} ; [ DW_TAG_expression ] [DW_OP_bit_piece offset=32, size=160]
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!49 = !MDLocation(line: 6, scope: !15, inlinedAt: !47)
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!50 = !MDLocation(line: 11, scope: !21)
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!51 = !{!"0x102\00157\000\0032"} ; [ DW_TAG_expression ] [DW_OP_bit_piece offset=0, size=32]
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!52 = !MDLocation(line: 7, scope: !34, inlinedAt: !47)
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!53 = !MDLocation(line: 7, scope: !15, inlinedAt: !47)
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!54 = !MDLocation(line: 8, scope: !34, inlinedAt: !47)
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!55 = !MDLocation(line: 14, scope: !24)
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!56 = !MDLocation(line: 15, scope: !24)
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