mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
e56023a059
Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
392 lines
15 KiB
LLVM
392 lines
15 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O2 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; This is a test case that's as reduced as I can get it, though I haven't fully
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; understood the mechanisms by which this bug occurs, so perhaps there's further
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; simplification to be had (it's certainly a bit non-obvious what's going on). I
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; hesitate to hand-craft or otherwise simplify the IR compared to what Clang
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; generates as this is a particular tickling of optimizations and debug location
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; propagation I want a realistic example of.
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; Generated with clang-tot -cc1 -g -O2 -w -std=c++11 -fsanitize=address,use-after-return -fcxx-exceptions -fexceptions -x c++ incorrect-variable-debug-loc.cpp -emit-llvm
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; struct A {
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; int m_fn1();
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; };
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;
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; struct B {
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; void __attribute__((always_inline)) m_fn2() { i = 0; }
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; int i;
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; };
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;
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; struct C {
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; void m_fn3();
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; int j;
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; B b;
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; };
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;
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; int fn1() {
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; C A;
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; A.b.m_fn2();
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; A.m_fn3();
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; }
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; void C::m_fn3() {
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; A().m_fn1();
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; b.m_fn2();
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; }
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name {{.*}} "C"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "m_fn3"
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; CHECK: DW_AT_specification {{.*}} "_ZN1C5m_fn3Ev"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "this"
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%struct.C = type { i32, %struct.B }
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%struct.B = type { i32 }
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%struct.A = type { i8 }
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }]
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@__asan_option_detect_stack_use_after_return = external global i32
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@__asan_gen_ = private unnamed_addr constant [11 x i8] c"1 32 8 1 A\00", align 1
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@__asan_gen_1 = private unnamed_addr constant [13 x i8] c"1 32 1 3 tmp\00", align 1
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; Function Attrs: noreturn sanitize_address
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define i32 @_Z3fn1v() #0 {
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entry:
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%MyAlloca = alloca [64 x i8], align 32, !dbg !39
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%0 = ptrtoint [64 x i8]* %MyAlloca to i64, !dbg !39
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%1 = load i32, i32* @__asan_option_detect_stack_use_after_return, !dbg !39
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%2 = icmp ne i32 %1, 0, !dbg !39
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br i1 %2, label %3, label %5
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; <label>:3 ; preds = %entry
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%4 = call i64 @__asan_stack_malloc_0(i64 64, i64 %0), !dbg !39
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br label %5
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; <label>:5 ; preds = %entry, %3
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%6 = phi i64 [ %0, %entry ], [ %4, %3 ], !dbg !39
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%7 = add i64 %6, 32, !dbg !39
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%8 = inttoptr i64 %7 to %struct.C*, !dbg !39
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%9 = inttoptr i64 %6 to i64*, !dbg !39
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store i64 1102416563, i64* %9, !dbg !39
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%10 = add i64 %6, 8, !dbg !39
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%11 = inttoptr i64 %10 to i64*, !dbg !39
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store i64 ptrtoint ([11 x i8]* @__asan_gen_ to i64), i64* %11, !dbg !39
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%12 = add i64 %6, 16, !dbg !39
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%13 = inttoptr i64 %12 to i64*, !dbg !39
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store i64 ptrtoint (i32 ()* @_Z3fn1v to i64), i64* %13, !dbg !39
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%14 = lshr i64 %6, 3, !dbg !39
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%15 = add i64 %14, 2147450880, !dbg !39
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%16 = add i64 %15, 0, !dbg !39
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%17 = inttoptr i64 %16 to i64*, !dbg !39
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store i64 -868083117767659023, i64* %17, !dbg !39
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%i.i = getelementptr inbounds %struct.C, %struct.C* %8, i64 0, i32 1, i32 0, !dbg !39
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%18 = ptrtoint i32* %i.i to i64, !dbg !39
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%19 = lshr i64 %18, 3, !dbg !39
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%20 = add i64 %19, 2147450880, !dbg !39
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%21 = inttoptr i64 %20 to i8*, !dbg !39
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%22 = load i8, i8* %21, !dbg !39
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%23 = icmp ne i8 %22, 0, !dbg !39
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br i1 %23, label %24, label %30, !dbg !39
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; <label>:24 ; preds = %5
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%25 = and i64 %18, 7, !dbg !39
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%26 = add i64 %25, 3, !dbg !39
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%27 = trunc i64 %26 to i8, !dbg !39
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%28 = icmp sge i8 %27, %22, !dbg !39
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br i1 %28, label %29, label %30
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; <label>:29 ; preds = %24
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call void @__asan_report_store4(i64 %18), !dbg !39
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call void asm sideeffect "", ""()
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unreachable
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; <label>:30 ; preds = %24, %5
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store i32 0, i32* %i.i, align 4, !dbg !39, !tbaa !41
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tail call void @llvm.dbg.value(metadata %struct.C* %8, i64 0, metadata !27, metadata !DIExpression()), !dbg !46
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call void @_ZN1C5m_fn3Ev(%struct.C* %8), !dbg !47
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unreachable, !dbg !47
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}
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; Function Attrs: sanitize_address
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define void @_ZN1C5m_fn3Ev(%struct.C* nocapture %this) #1 align 2 {
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entry:
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%MyAlloca = alloca [64 x i8], align 32, !dbg !48
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%0 = ptrtoint [64 x i8]* %MyAlloca to i64, !dbg !48
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%1 = load i32, i32* @__asan_option_detect_stack_use_after_return, !dbg !48
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%2 = icmp ne i32 %1, 0, !dbg !48
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br i1 %2, label %3, label %5
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; <label>:3 ; preds = %entry
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%4 = call i64 @__asan_stack_malloc_0(i64 64, i64 %0), !dbg !48
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br label %5
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; <label>:5 ; preds = %entry, %3
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%6 = phi i64 [ %0, %entry ], [ %4, %3 ], !dbg !48
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%7 = add i64 %6, 32, !dbg !48
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%8 = inttoptr i64 %7 to %struct.A*, !dbg !48
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%9 = inttoptr i64 %6 to i64*, !dbg !48
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store i64 1102416563, i64* %9, !dbg !48
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%10 = add i64 %6, 8, !dbg !48
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%11 = inttoptr i64 %10 to i64*, !dbg !48
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store i64 ptrtoint ([13 x i8]* @__asan_gen_1 to i64), i64* %11, !dbg !48
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%12 = add i64 %6, 16, !dbg !48
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%13 = inttoptr i64 %12 to i64*, !dbg !48
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store i64 ptrtoint (void (%struct.C*)* @_ZN1C5m_fn3Ev to i64), i64* %13, !dbg !48
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%14 = lshr i64 %6, 3, !dbg !48
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%15 = add i64 %14, 2147450880, !dbg !48
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%16 = add i64 %15, 0, !dbg !48
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%17 = inttoptr i64 %16 to i64*, !dbg !48
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store i64 -868083113472691727, i64* %17, !dbg !48
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tail call void @llvm.dbg.value(metadata %struct.C* %this, i64 0, metadata !30, metadata !DIExpression()), !dbg !48
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%call = call i32 @_ZN1A5m_fn1Ev(%struct.A* %8), !dbg !49
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%i.i = getelementptr inbounds %struct.C, %struct.C* %this, i64 0, i32 1, i32 0, !dbg !50
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%18 = ptrtoint i32* %i.i to i64, !dbg !50
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%19 = lshr i64 %18, 3, !dbg !50
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%20 = add i64 %19, 2147450880, !dbg !50
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%21 = inttoptr i64 %20 to i8*, !dbg !50
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%22 = load i8, i8* %21, !dbg !50
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%23 = icmp ne i8 %22, 0, !dbg !50
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br i1 %23, label %24, label %30, !dbg !50
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; <label>:24 ; preds = %5
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%25 = and i64 %18, 7, !dbg !50
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%26 = add i64 %25, 3, !dbg !50
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%27 = trunc i64 %26 to i8, !dbg !50
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%28 = icmp sge i8 %27, %22, !dbg !50
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br i1 %28, label %29, label %30
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; <label>:29 ; preds = %24
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call void @__asan_report_store4(i64 %18), !dbg !50
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call void asm sideeffect "", ""()
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unreachable
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; <label>:30 ; preds = %24, %5
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store i32 0, i32* %i.i, align 4, !dbg !50, !tbaa !41
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store i64 1172321806, i64* %9, !dbg !52
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%31 = icmp ne i64 %6, %0, !dbg !52
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br i1 %31, label %32, label %39, !dbg !52
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; <label>:32 ; preds = %30
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%33 = add i64 %15, 0, !dbg !52
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%34 = inttoptr i64 %33 to i64*, !dbg !52
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store i64 -723401728380766731, i64* %34, !dbg !52
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%35 = add i64 %6, 56, !dbg !52
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%36 = inttoptr i64 %35 to i64*, !dbg !52
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%37 = load i64, i64* %36, !dbg !52
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%38 = inttoptr i64 %37 to i8*, !dbg !52
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store i8 0, i8* %38, !dbg !52
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br label %42, !dbg !52
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; <label>:39 ; preds = %30
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%40 = add i64 %15, 0, !dbg !52
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%41 = inttoptr i64 %40 to i64*, !dbg !52
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store i64 0, i64* %41, !dbg !52
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br label %42, !dbg !52
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; <label>:42 ; preds = %39, %32
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ret void, !dbg !52
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}
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declare i32 @_ZN1A5m_fn1Ev(%struct.A*) #2
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3
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define internal void @asan.module_ctor() {
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tail call void @__asan_init_v3()
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ret void
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}
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declare void @__asan_init_v3()
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declare void @__asan_report_load1(i64)
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declare void @__asan_load1(i64)
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declare void @__asan_report_load2(i64)
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declare void @__asan_load2(i64)
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declare void @__asan_report_load4(i64)
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declare void @__asan_load4(i64)
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declare void @__asan_report_load8(i64)
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declare void @__asan_load8(i64)
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declare void @__asan_report_load16(i64)
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declare void @__asan_load16(i64)
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declare void @__asan_report_store1(i64)
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declare void @__asan_store1(i64)
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declare void @__asan_report_store2(i64)
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declare void @__asan_store2(i64)
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declare void @__asan_report_store4(i64)
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declare void @__asan_store4(i64)
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declare void @__asan_report_store8(i64)
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declare void @__asan_store8(i64)
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declare void @__asan_report_store16(i64)
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declare void @__asan_store16(i64)
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declare void @__asan_report_load_n(i64, i64)
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declare void @__asan_report_store_n(i64, i64)
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declare void @__asan_loadN(i64, i64)
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declare void @__asan_storeN(i64, i64)
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declare i8* @__asan_memmove(i8*, i8*, i64)
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declare i8* @__asan_memcpy(i8*, i8*, i64)
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declare i8* @__asan_memset(i8*, i32, i64)
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declare void @__asan_handle_no_return()
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declare void @__sanitizer_cov()
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declare void @__sanitizer_ptr_cmp(i64, i64)
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declare void @__sanitizer_ptr_sub(i64, i64)
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declare i64 @__asan_stack_malloc_0(i64, i64)
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declare void @__asan_stack_free_0(i64, i64, i64)
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declare i64 @__asan_stack_malloc_1(i64, i64)
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declare void @__asan_stack_free_1(i64, i64, i64)
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declare i64 @__asan_stack_malloc_2(i64, i64)
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declare void @__asan_stack_free_2(i64, i64, i64)
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declare i64 @__asan_stack_malloc_3(i64, i64)
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declare void @__asan_stack_free_3(i64, i64, i64)
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declare i64 @__asan_stack_malloc_4(i64, i64)
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declare void @__asan_stack_free_4(i64, i64, i64)
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declare i64 @__asan_stack_malloc_5(i64, i64)
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declare void @__asan_stack_free_5(i64, i64, i64)
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declare i64 @__asan_stack_malloc_6(i64, i64)
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declare void @__asan_stack_free_6(i64, i64, i64)
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declare i64 @__asan_stack_malloc_7(i64, i64)
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declare void @__asan_stack_free_7(i64, i64, i64)
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declare i64 @__asan_stack_malloc_8(i64, i64)
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declare void @__asan_stack_free_8(i64, i64, i64)
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declare i64 @__asan_stack_malloc_9(i64, i64)
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declare void @__asan_stack_free_9(i64, i64, i64)
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declare i64 @__asan_stack_malloc_10(i64, i64)
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declare void @__asan_stack_free_10(i64, i64, i64)
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declare void @__asan_poison_stack_memory(i64, i64)
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declare void @__asan_unpoison_stack_memory(i64, i64)
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declare void @__asan_before_dynamic_init(i64)
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declare void @__asan_after_dynamic_init()
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declare void @__asan_register_globals(i64, i64)
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declare void @__asan_unregister_globals(i64, i64)
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declare void @__sanitizer_cov_module_init(i64)
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attributes #0 = { noreturn sanitize_address "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { sanitize_address "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!36, !37}
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!llvm.ident = !{!38}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !21, globals: !2, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4, !14}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 10, size: 64, align: 32, file: !5, elements: !6, identifier: "_ZTS1C")
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!5 = !DIFile(filename: "incorrect-variable-debug-loc.cpp", directory: "/tmp/dbginfo")
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!6 = !{!7, !9, !10}
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!7 = !DIDerivedType(tag: DW_TAG_member, name: "j", line: 12, size: 32, align: 32, file: !5, scope: !"_ZTS1C", baseType: !8)
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 13, size: 32, align: 32, offset: 32, file: !5, scope: !"_ZTS1C", baseType: !"_ZTS1B")
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!10 = !DISubprogram(name: "m_fn3", linkageName: "_ZN1C5m_fn3Ev", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !5, scope: !"_ZTS1C", type: !11)
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!11 = !DISubroutineType(types: !12)
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!12 = !{null, !13}
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1C")
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!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 5, size: 32, align: 32, file: !5, elements: !15, identifier: "_ZTS1B")
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!15 = !{!16, !17}
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!16 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 7, size: 32, align: 32, file: !5, scope: !"_ZTS1B", baseType: !8)
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!17 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1B5m_fn2Ev", line: 6, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !"_ZTS1B", type: !18)
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!18 = !DISubroutineType(types: !19)
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!19 = !{null, !20}
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!20 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B")
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!21 = !{!22, !28, !32}
|
|
!22 = !DISubprogram(name: "fn1", linkageName: "_Z3fn1v", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 16, file: !5, scope: !23, type: !24, function: i32 ()* @_Z3fn1v, variables: !26)
|
|
!23 = !DIFile(filename: "incorrect-variable-debug-loc.cpp", directory: "/tmp/dbginfo")
|
|
!24 = !DISubroutineType(types: !25)
|
|
!25 = !{!8}
|
|
!26 = !{!27}
|
|
!27 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "A", line: 17, scope: !22, file: !23, type: !"_ZTS1C")
|
|
!28 = !DISubprogram(name: "m_fn3", linkageName: "_ZN1C5m_fn3Ev", line: 21, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 21, file: !5, scope: !"_ZTS1C", type: !11, function: void (%struct.C*)* @_ZN1C5m_fn3Ev, declaration: !10, variables: !29)
|
|
!29 = !{!30}
|
|
!30 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31)
|
|
!31 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1C")
|
|
!32 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1B5m_fn2Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !"_ZTS1B", type: !18, declaration: !17, variables: !33)
|
|
!33 = !{!34}
|
|
!34 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !32, type: !35)
|
|
!35 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1B")
|
|
!36 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!37 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!38 = !{!"clang version 3.5.0 "}
|
|
!39 = !DILocation(line: 6, scope: !32, inlinedAt: !40)
|
|
!40 = !DILocation(line: 18, scope: !22)
|
|
!41 = !{!42, !43, i64 0}
|
|
!42 = !{!"_ZTS1B", !43, i64 0}
|
|
!43 = !{!"int", !44, i64 0}
|
|
!44 = !{!"omnipotent char", !45, i64 0}
|
|
!45 = !{!"Simple C/C++ TBAA"}
|
|
!46 = !DILocation(line: 17, scope: !22)
|
|
!47 = !DILocation(line: 19, scope: !22)
|
|
!48 = !DILocation(line: 0, scope: !28)
|
|
!49 = !DILocation(line: 22, scope: !28)
|
|
!50 = !DILocation(line: 6, scope: !32, inlinedAt: !51)
|
|
!51 = !DILocation(line: 23, scope: !28)
|
|
!52 = !DILocation(line: 24, scope: !28)
|