| ; RUN: llc -O0 < %s | FileCheck %s |
| ; FIXME: Add test for llc with optimizations once it is implemented. |
| |
| ; Source to regenerate: |
| ; $ clang --target=x86_64-windows-msvc -S heapallocsite.cpp -g -gcodeview -o t.ll \ |
| ; -emit-llvm -O0 -Xclang -disable-llvm-passes -fms-extensions |
| ; |
| ; struct Foo { |
| ; __declspec(allocator) virtual void *alloc(); |
| ; }; |
| ; |
| ; extern "C" __declspec(allocator) Foo *alloc_foo(); |
| ; |
| ; extern "C" void use_alloc(void*); |
| ; extern "C" void call_virtual(Foo *p) { |
| ; use_alloc(p->alloc()); |
| ; } |
| ; |
| ; extern "C" void call_multiple() { |
| ; use_alloc(alloc_foo()); |
| ; use_alloc(alloc_foo()); |
| ; } |
| |
| target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-windows-msvc" |
| |
| %struct.Foo = type { i32 (...)** } |
| |
| ; Function Attrs: noinline optnone uwtable |
| define dso_local void @call_virtual(%struct.Foo* %p) #0 !dbg !8 { |
| entry: |
| %p.addr = alloca %struct.Foo*, align 8 |
| store %struct.Foo* %p, %struct.Foo** %p.addr, align 8 |
| call void @llvm.dbg.declare(metadata %struct.Foo** %p.addr, metadata !13, metadata !DIExpression()), !dbg !14 |
| %0 = load %struct.Foo*, %struct.Foo** %p.addr, align 8, !dbg !15 |
| %1 = bitcast %struct.Foo* %0 to i8* (%struct.Foo*)***, !dbg !15 |
| %vtable = load i8* (%struct.Foo*)**, i8* (%struct.Foo*)*** %1, align 8, !dbg !15 |
| %vfn = getelementptr inbounds i8* (%struct.Foo*)*, i8* (%struct.Foo*)** %vtable, i64 0, !dbg !15 |
| %2 = load i8* (%struct.Foo*)*, i8* (%struct.Foo*)** %vfn, align 8, !dbg !15 |
| %call = call i8* %2(%struct.Foo* %0), !dbg !15, !heapallocsite !2 |
| call void @use_alloc(i8* %call), !dbg !15 |
| ret void, !dbg !16 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| declare dso_local void @use_alloc(i8*) #2 |
| |
| ; Function Attrs: noinline optnone uwtable |
| define dso_local void @call_multiple() #0 !dbg !17 { |
| entry: |
| %call = call %struct.Foo* @alloc_foo(), !dbg !20, !heapallocsite !12 |
| %0 = bitcast %struct.Foo* %call to i8*, !dbg !20 |
| call void @use_alloc(i8* %0), !dbg !20 |
| %call1 = call %struct.Foo* @alloc_foo(), !dbg !21, !heapallocsite !12 |
| %1 = bitcast %struct.Foo* %call1 to i8*, !dbg !21 |
| call void @use_alloc(i8* %1), !dbg !21 |
| ret void, !dbg !22 |
| } |
| |
| declare dso_local %struct.Foo* @alloc_foo() #2 |
| |
| ; CHECK-LABEL: call_virtual: # @call_virtual |
| ; CHECK: .Lheapallocsite0: |
| ; CHECK: callq *(%rax) |
| ; CHECK: .Lheapallocsite1: |
| ; CHECK: retq |
| |
| ; CHECK-LABEL: call_multiple: # @call_multiple |
| ; CHECK: .Lheapallocsite4: |
| ; CHECK: callq alloc_foo |
| ; CHECK: .Lheapallocsite5: |
| ; CHECK: .Lheapallocsite2: |
| ; CHECK: callq alloc_foo |
| ; CHECK: .Lheapallocsite3: |
| ; CHECK: retq |
| |
| ; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID |
| ; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE |
| ; CHECK-NEXT: .secrel32 .Lheapallocsite0 |
| ; CHECK-NEXT: .secidx .Lheapallocsite0 |
| ; CHECK-NEXT: .short .Lheapallocsite1-.Lheapallocsite0 |
| ; CHECK-NEXT: .long 3 |
| ; CHECK-NEXT: .p2align 2 |
| ; CHECK-LABEL: .short 4431 # Record kind: S_PROC_ID_END |
| |
| ; CHECK-LABEL: .short 4423 # Record kind: S_GPROC32_ID |
| ; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE |
| ; CHECK-NEXT: .secrel32 .Lheapallocsite2 |
| ; CHECK-NEXT: .secidx .Lheapallocsite2 |
| ; CHECK-NEXT: .short .Lheapallocsite3-.Lheapallocsite2 |
| ; CHECK-NEXT: .long 4096 |
| ; CHECK-NEXT: .p2align 2 |
| |
| ; CHECK: .short 4446 # Record kind: S_HEAPALLOCSITE |
| ; CHECK-NEXT: .secrel32 .Lheapallocsite4 |
| ; CHECK-NEXT: .secidx .Lheapallocsite4 |
| ; CHECK-NEXT: .short .Lheapallocsite5-.Lheapallocsite4 |
| ; CHECK-NEXT: .long 4096 |
| ; CHECK-NEXT: .p2align 2 |
| ; CHECK-LABEL: .short 4431 # Record kind: S_PROC_ID_END |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6} |
| !llvm.ident = !{!7} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9c8073f44f786fbf47335e53f20abe64429e8e47)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)!1 = !DIFile(filename: "filename", directory: "directory", checksumkind: CSK_MD5, checksum: "096443b661a0af36da9006330c08f97e") |
| !2 = !{} |
| !3 = !{i32 2, !"CodeView", i32 1} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 2} |
| !6 = !{i32 7, !"PIC Level", i32 2} |
| !7 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 9c8073f44f786fbf47335e53f20abe64429e8e47)"} |
| !8 = distinct !DISubprogram(name: "call_virtual", scope: !1, file: !1, line: 8, type: !9, scopeLine: 8, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{null, !11} |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) |
| !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !1, line: 1, flags: DIFlagFwdDecl, identifier: ".?AUFoo@@") |
| !13 = !DILocalVariable(name: "p", arg: 1, scope: !8, file: !1, line: 8, type: !11) |
| !14 = !DILocation(line: 8, scope: !8) |
| !15 = !DILocation(line: 9, scope: !8) |
| !16 = !DILocation(line: 10, scope: !8) |
| !17 = distinct !DISubprogram(name: "call_multiple", scope: !1, file: !1, line: 12, type: !18, scopeLine: 12, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !18 = !DISubroutineType(types: !19) |
| !19 = !{null} |
| !20 = !DILocation(line: 13, scope: !17) |
| !21 = !DILocation(line: 14, scope: !17) |
| !22 = !DILocation(line: 15, scope: !17) |