mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-29 12:04:56 +01:00
Some module metadata changed - because rather than linking one module with one module metadata value (eg: PIC Level 0, or unspecified) and one module with a different one (PIC level 2, in clang) - we use Clang's Module as-is, no merging required, so Clang's module metadata sticks rather than being merged with default values from Carbon. Also tweaked the name we use for Clang's module name so it matches the carbon file name. Otherwise the IR changes seem to be just reorderings - C++ interop goes first, then Carbon, rather than the other way around.
315 lines
16 KiB
Plaintext
315 lines
16 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/interop/cpp/enum.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/enum.carbon
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// --- enum_member.h
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struct C {
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enum E : short {
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a,
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b = 7,
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c
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};
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static void F(E);
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};
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// --- pass_as_arg.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "enum_member.h";
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fn Pass() {
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Cpp.C.F(Cpp.C.a);
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Cpp.C.F(Cpp.C.a);
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Cpp.C.F(Cpp.C.b);
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Cpp.C.F(Cpp.C.c);
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Cpp.C.F(Cpp.C.E.a);
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Cpp.C.F(Cpp.C.E.b);
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Cpp.C.F(Cpp.C.E.c);
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}
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// --- convert.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "enum_member.h";
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fn TakeI16(n: i16);
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fn PassEnum() {
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TakeI16(Cpp.C.b as i16);
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}
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fn ConvertEnumToI16(e: Cpp.C.E) {
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TakeI16(e as i16);
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}
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fn ConvertI16ToEnum(n: i16) {
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Cpp.C.F(n as Cpp.C.E);
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}
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// --- bitmask.h
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enum Bits {
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A = 1 << 0,
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B = 1 << 1,
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C = 1 << 2,
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};
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void Take(Bits b);
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// --- use_bitmask.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "bitmask.h";
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// TODO: Once we support interop with C++-defined operators, we should be able
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// to use `|` below rather than declaring our own builtin.
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fn BitOr(a: Cpp.Bits, b: Cpp.Bits) -> Cpp.Bits = "int.or";
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fn Call() {
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Cpp.Take(BitOr(Cpp.A, Cpp.C));
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}
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// CHECK:STDOUT: ; ModuleID = 'pass_as_arg.carbon'
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// CHECK:STDOUT: source_filename = "pass_as_arg.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
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// CHECK:STDOUT: define dso_local void @_ZN1C1FENS_1EE.carbon_thunk(ptr noundef %0) #0 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !12
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !12
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// CHECK:STDOUT: %2 = load i16, ptr %1, align 2, !tbaa !14
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE(i16 noundef signext %2)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_ZN1C1FENS_1EE(i16 noundef signext) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CPass.Main() #2 !dbg !16 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.loc7_16.1.temp = alloca i16, align 2, !dbg !19
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// CHECK:STDOUT: %.loc8_16.1.temp = alloca i16, align 2, !dbg !20
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// CHECK:STDOUT: %.loc9_16.1.temp = alloca i16, align 2, !dbg !21
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// CHECK:STDOUT: %.loc10_16.1.temp = alloca i16, align 2, !dbg !22
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// CHECK:STDOUT: %.loc11_18.1.temp = alloca i16, align 2, !dbg !23
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// CHECK:STDOUT: %.loc12_18.1.temp = alloca i16, align 2, !dbg !24
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// CHECK:STDOUT: %.loc13_18.1.temp = alloca i16, align 2, !dbg !25
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc7_16.1.temp), !dbg !19
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// CHECK:STDOUT: store i16 0, ptr %.loc7_16.1.temp, align 2, !dbg !19
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc7_16.1.temp), !dbg !26
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc8_16.1.temp), !dbg !20
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// CHECK:STDOUT: store i16 0, ptr %.loc8_16.1.temp, align 2, !dbg !20
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc8_16.1.temp), !dbg !27
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc9_16.1.temp), !dbg !21
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// CHECK:STDOUT: store i16 7, ptr %.loc9_16.1.temp, align 2, !dbg !21
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc9_16.1.temp), !dbg !28
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc10_16.1.temp), !dbg !22
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// CHECK:STDOUT: store i16 8, ptr %.loc10_16.1.temp, align 2, !dbg !22
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc10_16.1.temp), !dbg !29
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc11_18.1.temp), !dbg !23
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// CHECK:STDOUT: store i16 0, ptr %.loc11_18.1.temp, align 2, !dbg !23
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc11_18.1.temp), !dbg !30
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc12_18.1.temp), !dbg !24
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// CHECK:STDOUT: store i16 7, ptr %.loc12_18.1.temp, align 2, !dbg !24
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc12_18.1.temp), !dbg !31
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc13_18.1.temp), !dbg !25
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// CHECK:STDOUT: store i16 8, ptr %.loc13_18.1.temp, align 2, !dbg !25
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc13_18.1.temp), !dbg !32
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// CHECK:STDOUT: ret void, !dbg !33
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; uselistorder directives
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// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 6, 5, 4, 3, 2, 1, 0 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #2 = { nounwind }
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// CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4, !5}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!6}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!8}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
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// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !5 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !7, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !7 = !DIFile(filename: "pass_as_arg.carbon", directory: "")
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// CHECK:STDOUT: !8 = !{!9, !9, i64 0}
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// CHECK:STDOUT: !9 = !{!"int", !10, i64 0}
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// CHECK:STDOUT: !10 = !{!"omnipotent char", !11, i64 0}
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// CHECK:STDOUT: !11 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !12 = !{!13, !13, i64 0}
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// CHECK:STDOUT: !13 = !{!"any pointer", !10, i64 0}
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// CHECK:STDOUT: !14 = !{!15, !15, i64 0}
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// CHECK:STDOUT: !15 = !{!"_ZTSN1C1EE", !10, i64 0}
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// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "Pass", linkageName: "_CPass.Main", scope: null, file: !7, line: 6, type: !17, spFlags: DISPFlagDefinition, unit: !6)
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// CHECK:STDOUT: !17 = !DISubroutineType(types: !18)
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// CHECK:STDOUT: !18 = !{null}
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// CHECK:STDOUT: !19 = !DILocation(line: 7, column: 11, scope: !16)
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// CHECK:STDOUT: !20 = !DILocation(line: 8, column: 11, scope: !16)
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// CHECK:STDOUT: !21 = !DILocation(line: 9, column: 11, scope: !16)
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// CHECK:STDOUT: !22 = !DILocation(line: 10, column: 11, scope: !16)
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// CHECK:STDOUT: !23 = !DILocation(line: 11, column: 11, scope: !16)
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// CHECK:STDOUT: !24 = !DILocation(line: 12, column: 11, scope: !16)
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// CHECK:STDOUT: !25 = !DILocation(line: 13, column: 11, scope: !16)
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// CHECK:STDOUT: !26 = !DILocation(line: 7, column: 3, scope: !16)
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// CHECK:STDOUT: !27 = !DILocation(line: 8, column: 3, scope: !16)
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// CHECK:STDOUT: !28 = !DILocation(line: 9, column: 3, scope: !16)
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// CHECK:STDOUT: !29 = !DILocation(line: 10, column: 3, scope: !16)
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// CHECK:STDOUT: !30 = !DILocation(line: 11, column: 3, scope: !16)
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// CHECK:STDOUT: !31 = !DILocation(line: 12, column: 3, scope: !16)
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// CHECK:STDOUT: !32 = !DILocation(line: 13, column: 3, scope: !16)
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// CHECK:STDOUT: !33 = !DILocation(line: 6, column: 1, scope: !16)
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// CHECK:STDOUT: ; ModuleID = 'convert.carbon'
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// CHECK:STDOUT: source_filename = "convert.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
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// CHECK:STDOUT: define dso_local void @_ZN1C1FENS_1EE.carbon_thunk(ptr noundef %0) #0 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !12
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !12
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// CHECK:STDOUT: %2 = load i16, ptr %1, align 2, !tbaa !14
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE(i16 noundef signext %2)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_ZN1C1FENS_1EE(i16 noundef signext) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_CTakeI16.Main(i16)
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CPassEnum.Main() #2 !dbg !16 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @_CTakeI16.Main(i16 7), !dbg !19
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// CHECK:STDOUT: ret void, !dbg !20
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CConvertEnumToI16.Main(i16 %e) #2 !dbg !21 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @_CTakeI16.Main(i16 %e), !dbg !27
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// CHECK:STDOUT: ret void, !dbg !28
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CConvertI16ToEnum.Main(i16 %n) #2 !dbg !29 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.loc17_13.3.temp = alloca i16, align 2, !dbg !32
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_13.3.temp), !dbg !32
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// CHECK:STDOUT: store i16 %n, ptr %.loc17_13.3.temp, align 2, !dbg !32
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// CHECK:STDOUT: call void @_ZN1C1FENS_1EE.carbon_thunk(ptr %.loc17_13.3.temp), !dbg !33
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// CHECK:STDOUT: ret void, !dbg !34
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #2 = { nounwind }
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// CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4, !5}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!6}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!8}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
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// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !5 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !7, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !7 = !DIFile(filename: "convert.carbon", directory: "")
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// CHECK:STDOUT: !8 = !{!9, !9, i64 0}
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// CHECK:STDOUT: !9 = !{!"int", !10, i64 0}
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// CHECK:STDOUT: !10 = !{!"omnipotent char", !11, i64 0}
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// CHECK:STDOUT: !11 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !12 = !{!13, !13, i64 0}
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// CHECK:STDOUT: !13 = !{!"any pointer", !10, i64 0}
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// CHECK:STDOUT: !14 = !{!15, !15, i64 0}
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// CHECK:STDOUT: !15 = !{!"_ZTSN1C1EE", !10, i64 0}
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// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "PassEnum", linkageName: "_CPassEnum.Main", scope: null, file: !7, line: 8, type: !17, spFlags: DISPFlagDefinition, unit: !6)
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// CHECK:STDOUT: !17 = !DISubroutineType(types: !18)
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// CHECK:STDOUT: !18 = !{null}
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// CHECK:STDOUT: !19 = !DILocation(line: 9, column: 3, scope: !16)
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// CHECK:STDOUT: !20 = !DILocation(line: 8, column: 1, scope: !16)
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// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "ConvertEnumToI16", linkageName: "_CConvertEnumToI16.Main", scope: null, file: !7, line: 12, type: !22, spFlags: DISPFlagDefinition, unit: !6, retainedNodes: !25)
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// CHECK:STDOUT: !22 = !DISubroutineType(types: !23)
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// CHECK:STDOUT: !23 = !{null, !24}
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// CHECK:STDOUT: !24 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
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// CHECK:STDOUT: !25 = !{!26}
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// CHECK:STDOUT: !26 = !DILocalVariable(arg: 1, scope: !21, type: !24)
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// CHECK:STDOUT: !27 = !DILocation(line: 13, column: 3, scope: !21)
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// CHECK:STDOUT: !28 = !DILocation(line: 12, column: 1, scope: !21)
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// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "ConvertI16ToEnum", linkageName: "_CConvertI16ToEnum.Main", scope: null, file: !7, line: 16, type: !22, spFlags: DISPFlagDefinition, unit: !6, retainedNodes: !30)
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// CHECK:STDOUT: !30 = !{!31}
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// CHECK:STDOUT: !31 = !DILocalVariable(arg: 1, scope: !29, type: !24)
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// CHECK:STDOUT: !32 = !DILocation(line: 17, column: 11, scope: !29)
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// CHECK:STDOUT: !33 = !DILocation(line: 17, column: 3, scope: !29)
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// CHECK:STDOUT: !34 = !DILocation(line: 16, column: 1, scope: !29)
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// CHECK:STDOUT: ; ModuleID = 'use_bitmask.carbon'
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// CHECK:STDOUT: source_filename = "use_bitmask.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CCall.Main() #0 !dbg !12 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @_Z4Take4Bits(i32 5), !dbg !15
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// CHECK:STDOUT: ret void, !dbg !16
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z4Take4Bits(i32 noundef) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT: attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4, !5}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!6}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!8}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
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// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !5 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !7, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !7 = !DIFile(filename: "use_bitmask.carbon", directory: "")
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// CHECK:STDOUT: !8 = !{!9, !9, i64 0}
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// CHECK:STDOUT: !9 = !{!"int", !10, i64 0}
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// CHECK:STDOUT: !10 = !{!"omnipotent char", !11, i64 0}
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// CHECK:STDOUT: !11 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "Call", linkageName: "_CCall.Main", scope: null, file: !7, line: 10, type: !13, spFlags: DISPFlagDefinition, unit: !6)
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// CHECK:STDOUT: !13 = !DISubroutineType(types: !14)
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// CHECK:STDOUT: !14 = !{null}
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// CHECK:STDOUT: !15 = !DILocation(line: 11, column: 3, scope: !12)
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// CHECK:STDOUT: !16 = !DILocation(line: 10, column: 1, scope: !12)
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