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carbon-lang/toolchain/lower/testdata/interop/cpp/operators.carbon
T
Geoff RomerandRichard Smith e023f75254 Implement thunking in terms of constant evaluation (#7332) 
The bulk of this change is changing most pattern insts to be `Always`
rather than `AlwaysUnique` constants, so that they can be wrapped in
`SpecificConstant`s to perform substitution. That then lets thunking
rely much more on `SpecificConstant` wrappers instead of deep-copying
the inst tree with modified types.

This approach to thunking should scale better, particularly as things
like form generics make function signatures more complex, because we can
leverage the existing support for constant evaluation and substitution.
Unfortunately, applying this approach to binding patterns will require
more work; see the TODO near the top of `thunk.cpp` for details.

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2026-06-13 00:22:00 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/interop/cpp/operators.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/operators.carbon
// --- eq_with.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
struct A {
int value;
friend auto operator==(A x, A y) -> bool {
return x.value == y.value;
}
friend auto operator!=(A x, A y) -> bool {
return !(x == y);
}
};
''';
fn CheckEqWith[U:! type, T:! Core.EqWith(U)](x: T, y: U) {
x == y;
x != y;
}
fn Driver(x: Cpp.A, y: Cpp.A) {
CheckEqWith(x, y);
}
// --- ordered_with.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
struct A {
int value;
friend auto operator<(A x, A y) -> bool {
return x.value < y.value;
}
friend auto operator>(A x, A y) -> bool {
return y < x;
}
friend auto operator<=(A x, A y) -> bool {
return !(y < x);
}
friend auto operator>=(A x, A y) -> bool {
return !(x < y);
}
};
''';
fn CheckOrderedWith[U:! type, T:! Core.OrderedWith(U)](x: T, y: U) {
x < y;
x > y;
x <= y;
x >= y;
}
fn Driver(x: Cpp.A, y: Cpp.A) {
CheckOrderedWith(x, y);
}
// CHECK:STDOUT: ; ModuleID = 'eq_with.carbon'
// CHECK:STDOUT: source_filename = "eq_with.carbon"
// 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"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: %struct.A = type { i32 }
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zeq1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zne1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CDriver.Main(ptr %x, ptr %y) #0 !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CCheckEqWith.Main.bdef5a2ed02e32a1(ptr %x, ptr %y), !dbg !18
// CHECK:STDOUT: ret void, !dbg !19
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zeq1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zeq1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zne1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zne1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !28 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !34
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !34
// CHECK:STDOUT: call void @_Zeq1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !34
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !34
// CHECK:STDOUT: ret i1 %0, !dbg !34
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CNotEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !35 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !39
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !39
// CHECK:STDOUT: call void @_Zne1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !39
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !39
// CHECK:STDOUT: ret i1 %0, !dbg !39
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CCheckEqWith.Main.bdef5a2ed02e32a1(ptr %x, ptr %y) #0 !dbg !40 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %EqWith.WithSelf.Equal.call = call i1 @"_CEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp"(ptr %x, ptr %y), !dbg !44
// CHECK:STDOUT: %EqWith.WithSelf.NotEqual.call = call i1 @"_CNotEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp"(ptr %x, ptr %y), !dbg !45
// CHECK:STDOUT: ret void, !dbg !46
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zeq1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: %value = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %value, align 4, !tbaa !47
// CHECK:STDOUT: %value2 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %value2, align 4, !tbaa !47
// CHECK:STDOUT: %cmp = icmp eq i32 %0, %1
// CHECK:STDOUT: ret i1 %cmp
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zne1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp2 = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %x, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp2, ptr align 4 %y, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive3 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %coerce.dive3, align 4
// CHECK:STDOUT: %coerce.dive4 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp2, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %coerce.dive4, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zeq1AS_(i32 %0, i32 %1)
// CHECK:STDOUT: %lnot = xor i1 %call, true
// CHECK:STDOUT: ret i1 %lnot
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 0, 1, 5, 4, 3, 2 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { 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" }
// CHECK:STDOUT: attributes #2 = { alwaysinline nounwind }
// CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #4 = { mustprogress nounwind 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" }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIFile(filename: "eq_with.carbon", directory: "")
// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Driver", linkageName: "_CDriver.Main", scope: null, file: !6, line: 23, type: !12, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !15)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null, !14, !14}
// CHECK:STDOUT: !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !15 = !{!16, !17}
// CHECK:STDOUT: !16 = !DILocalVariable(arg: 1, scope: !11, type: !14)
// CHECK:STDOUT: !17 = !DILocalVariable(arg: 2, scope: !11, type: !14)
// CHECK:STDOUT: !18 = !DILocation(line: 24, column: 3, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 23, column: 1, scope: !11)
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
// CHECK:STDOUT: !21 = !{!"p1 _ZTS1A", !22, i64 0}
// CHECK:STDOUT: !22 = !{!"any pointer", !9, i64 0}
// CHECK:STDOUT: !23 = !{!24, !24, i64 0}
// CHECK:STDOUT: !24 = !{!"p1 bool", !22, i64 0}
// CHECK:STDOUT: !25 = !{i64 0, i64 4, !7}
// CHECK:STDOUT: !26 = !{!27, !27, i64 0}
// CHECK:STDOUT: !27 = !{!"bool", !9, i64 0}
// CHECK:STDOUT: !28 = distinct !DISubprogram(name: "Equal", linkageName: "_CEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp", scope: null, file: !6, line: 8, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !31)
// CHECK:STDOUT: !29 = !DISubroutineType(types: !30)
// CHECK:STDOUT: !30 = !{!14, !14, !14}
// CHECK:STDOUT: !31 = !{!32, !33}
// CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !28, type: !14)
// CHECK:STDOUT: !33 = !DILocalVariable(arg: 2, scope: !28, type: !14)
// CHECK:STDOUT: !34 = !DILocation(line: 8, column: 15, scope: !28)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "NotEqual", linkageName: "_CNotEqual:thunk:EqWith.ffb401eeee8c4872.Core:Cpp", scope: null, file: !6, line: 12, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !36)
// CHECK:STDOUT: !36 = !{!37, !38}
// CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !35, type: !14)
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 2, scope: !35, type: !14)
// CHECK:STDOUT: !39 = !DILocation(line: 12, column: 15, scope: !35)
// CHECK:STDOUT: !40 = distinct !DISubprogram(name: "CheckEqWith", linkageName: "_CCheckEqWith.Main.bdef5a2ed02e32a1", scope: null, file: !6, line: 18, type: !12, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !41)
// CHECK:STDOUT: !41 = !{!42, !43}
// CHECK:STDOUT: !42 = !DILocalVariable(arg: 1, scope: !40, type: !14)
// CHECK:STDOUT: !43 = !DILocalVariable(arg: 2, scope: !40, type: !14)
// CHECK:STDOUT: !44 = !DILocation(line: 19, column: 3, scope: !40)
// CHECK:STDOUT: !45 = !DILocation(line: 20, column: 3, scope: !40)
// CHECK:STDOUT: !46 = !DILocation(line: 18, column: 1, scope: !40)
// CHECK:STDOUT: !47 = !{!48, !8, i64 0}
// CHECK:STDOUT: !48 = !{!"_ZTS1A", !8, i64 0}
// CHECK:STDOUT: ; ModuleID = 'ordered_with.carbon'
// CHECK:STDOUT: source_filename = "ordered_with.carbon"
// 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"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: %struct.A = type { i32 }
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zlt1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zle1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zgt1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: $_Zge1AS_ = comdat any
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CDriver.Main(ptr %x, ptr %y) #0 !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CCheckOrderedWith.Main.c49adfa90bd18905(ptr %x, ptr %y), !dbg !18
// CHECK:STDOUT: ret void, !dbg !19
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zlt1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zlt1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zle1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zle1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zgt1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zgt1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Zge1AS_.carbon_thunk.__(ptr noundef %x, ptr noundef %y, ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.addr = alloca ptr, align 8
// CHECK:STDOUT: %y.addr = alloca ptr, align 8
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp1 = alloca %struct.A, align 4
// CHECK:STDOUT: store ptr %x, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %y, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !23
// CHECK:STDOUT: %1 = load ptr, ptr %x.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %2 = load ptr, ptr %y.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp1, ptr align 4 %2, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %3 = load i32, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive2 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp1, i32 0, i32 0
// CHECK:STDOUT: %4 = load i32, ptr %coerce.dive2, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zge1AS_(i32 %3, i32 %4)
// CHECK:STDOUT: %storedv = zext i1 %call to i8
// CHECK:STDOUT: store i8 %storedv, ptr %0, align 1, !tbaa !26
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CLess:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !28 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !34
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !34
// CHECK:STDOUT: call void @_Zlt1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !34
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !34
// CHECK:STDOUT: ret i1 %0, !dbg !34
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CLessOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !35 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !39
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !39
// CHECK:STDOUT: call void @_Zle1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !39
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !39
// CHECK:STDOUT: ret i1 %0, !dbg !39
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CGreater:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !40 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !44
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !44
// CHECK:STDOUT: call void @_Zgt1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !44
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !44
// CHECK:STDOUT: ret i1 %0, !dbg !44
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define i1 @"_CGreaterOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %self, ptr %other) #2 !dbg !45 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.6.temp = alloca i1, align 1, !dbg !49
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.6.temp), !dbg !49
// CHECK:STDOUT: call void @_Zge1AS_.carbon_thunk.__(ptr %self, ptr %other, ptr %.6.temp), !dbg !49
// CHECK:STDOUT: %0 = load i1, ptr %.6.temp, align 1, !dbg !49
// CHECK:STDOUT: ret i1 %0, !dbg !49
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CCheckOrderedWith.Main.c49adfa90bd18905(ptr %x, ptr %y) #0 !dbg !50 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %OrderedWith.WithSelf.Less.call = call i1 @"_CLess:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %x, ptr %y), !dbg !54
// CHECK:STDOUT: %OrderedWith.WithSelf.Greater.call = call i1 @"_CGreater:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %x, ptr %y), !dbg !55
// CHECK:STDOUT: %OrderedWith.WithSelf.LessOrEquivalent.call = call i1 @"_CLessOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %x, ptr %y), !dbg !56
// CHECK:STDOUT: %OrderedWith.WithSelf.GreaterOrEquivalent.call = call i1 @"_CGreaterOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp"(ptr %x, ptr %y), !dbg !57
// CHECK:STDOUT: ret void, !dbg !58
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zlt1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: %value = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %value, align 4, !tbaa !59
// CHECK:STDOUT: %value2 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %value2, align 4, !tbaa !59
// CHECK:STDOUT: %cmp = icmp slt i32 %0, %1
// CHECK:STDOUT: ret i1 %cmp
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zle1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp2 = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %y, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp2, ptr align 4 %x, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive3 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %coerce.dive3, align 4
// CHECK:STDOUT: %coerce.dive4 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp2, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %coerce.dive4, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zlt1AS_(i32 %0, i32 %1)
// CHECK:STDOUT: %lnot = xor i1 %call, true
// CHECK:STDOUT: ret i1 %lnot
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zgt1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp2 = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %y, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp2, ptr align 4 %x, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive3 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %coerce.dive3, align 4
// CHECK:STDOUT: %coerce.dive4 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp2, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %coerce.dive4, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zlt1AS_(i32 %0, i32 %1)
// CHECK:STDOUT: ret i1 %call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
// CHECK:STDOUT: define linkonce_odr dso_local noundef zeroext i1 @_Zge1AS_(i32 %x.coerce, i32 %y.coerce) #4 comdat {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x = alloca %struct.A, align 4
// CHECK:STDOUT: %y = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp = alloca %struct.A, align 4
// CHECK:STDOUT: %agg.tmp2 = alloca %struct.A, align 4
// CHECK:STDOUT: %coerce.dive = getelementptr inbounds nuw %struct.A, ptr %x, i32 0, i32 0
// CHECK:STDOUT: store i32 %x.coerce, ptr %coerce.dive, align 4
// CHECK:STDOUT: %coerce.dive1 = getelementptr inbounds nuw %struct.A, ptr %y, i32 0, i32 0
// CHECK:STDOUT: store i32 %y.coerce, ptr %coerce.dive1, align 4
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %x, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp2, ptr align 4 %y, i64 4, i1 false), !tbaa.struct !25
// CHECK:STDOUT: %coerce.dive3 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp, i32 0, i32 0
// CHECK:STDOUT: %0 = load i32, ptr %coerce.dive3, align 4
// CHECK:STDOUT: %coerce.dive4 = getelementptr inbounds nuw %struct.A, ptr %agg.tmp2, i32 0, i32 0
// CHECK:STDOUT: %1 = load i32, ptr %coerce.dive4, align 4
// CHECK:STDOUT: %call = call noundef zeroext i1 @_Zlt1AS_(i32 %0, i32 %1)
// CHECK:STDOUT: %lnot = xor i1 %call, true
// CHECK:STDOUT: ret i1 %lnot
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 0, 1, 4, 5, 8, 9, 13, 12, 11, 10, 7, 6, 3, 2 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { 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" }
// CHECK:STDOUT: attributes #2 = { alwaysinline nounwind }
// CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #4 = { mustprogress nounwind 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" }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIFile(filename: "ordered_with.carbon", directory: "")
// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Driver", linkageName: "_CDriver.Main", scope: null, file: !6, line: 33, type: !12, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !15)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null, !14, !14}
// CHECK:STDOUT: !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !15 = !{!16, !17}
// CHECK:STDOUT: !16 = !DILocalVariable(arg: 1, scope: !11, type: !14)
// CHECK:STDOUT: !17 = !DILocalVariable(arg: 2, scope: !11, type: !14)
// CHECK:STDOUT: !18 = !DILocation(line: 34, column: 3, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 33, column: 1, scope: !11)
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
// CHECK:STDOUT: !21 = !{!"p1 _ZTS1A", !22, i64 0}
// CHECK:STDOUT: !22 = !{!"any pointer", !9, i64 0}
// CHECK:STDOUT: !23 = !{!24, !24, i64 0}
// CHECK:STDOUT: !24 = !{!"p1 bool", !22, i64 0}
// CHECK:STDOUT: !25 = !{i64 0, i64 4, !7}
// CHECK:STDOUT: !26 = !{!27, !27, i64 0}
// CHECK:STDOUT: !27 = !{!"bool", !9, i64 0}
// CHECK:STDOUT: !28 = distinct !DISubprogram(name: "Less", linkageName: "_CLess:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp", scope: null, file: !6, line: 8, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !31)
// CHECK:STDOUT: !29 = !DISubroutineType(types: !30)
// CHECK:STDOUT: !30 = !{!14, !14, !14}
// CHECK:STDOUT: !31 = !{!32, !33}
// CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !28, type: !14)
// CHECK:STDOUT: !33 = !DILocalVariable(arg: 2, scope: !28, type: !14)
// CHECK:STDOUT: !34 = !DILocation(line: 8, column: 15, scope: !28)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "LessOrEquivalent", linkageName: "_CLessOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp", scope: null, file: !6, line: 16, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !36)
// CHECK:STDOUT: !36 = !{!37, !38}
// CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !35, type: !14)
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 2, scope: !35, type: !14)
// CHECK:STDOUT: !39 = !DILocation(line: 16, column: 15, scope: !35)
// CHECK:STDOUT: !40 = distinct !DISubprogram(name: "Greater", linkageName: "_CGreater:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp", scope: null, file: !6, line: 12, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !41)
// CHECK:STDOUT: !41 = !{!42, !43}
// CHECK:STDOUT: !42 = !DILocalVariable(arg: 1, scope: !40, type: !14)
// CHECK:STDOUT: !43 = !DILocalVariable(arg: 2, scope: !40, type: !14)
// CHECK:STDOUT: !44 = !DILocation(line: 12, column: 15, scope: !40)
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "GreaterOrEquivalent", linkageName: "_CGreaterOrEquivalent:thunk:OrderedWith.92c0df05bd55f97a.Core:Cpp", scope: null, file: !6, line: 20, type: !29, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !46)
// CHECK:STDOUT: !46 = !{!47, !48}
// CHECK:STDOUT: !47 = !DILocalVariable(arg: 1, scope: !45, type: !14)
// CHECK:STDOUT: !48 = !DILocalVariable(arg: 2, scope: !45, type: !14)
// CHECK:STDOUT: !49 = !DILocation(line: 20, column: 15, scope: !45)
// CHECK:STDOUT: !50 = distinct !DISubprogram(name: "CheckOrderedWith", linkageName: "_CCheckOrderedWith.Main.c49adfa90bd18905", scope: null, file: !6, line: 26, type: !12, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !51)
// CHECK:STDOUT: !51 = !{!52, !53}
// CHECK:STDOUT: !52 = !DILocalVariable(arg: 1, scope: !50, type: !14)
// CHECK:STDOUT: !53 = !DILocalVariable(arg: 2, scope: !50, type: !14)
// CHECK:STDOUT: !54 = !DILocation(line: 27, column: 3, scope: !50)
// CHECK:STDOUT: !55 = !DILocation(line: 28, column: 3, scope: !50)
// CHECK:STDOUT: !56 = !DILocation(line: 29, column: 3, scope: !50)
// CHECK:STDOUT: !57 = !DILocation(line: 30, column: 3, scope: !50)
// CHECK:STDOUT: !58 = !DILocation(line: 26, column: 1, scope: !50)
// CHECK:STDOUT: !59 = !{!60, !8, i64 0}
// CHECK:STDOUT: !60 = !{!"_ZTS1A", !8, i64 0}
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