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carbon-lang/toolchain/lower/testdata/operators/arithmetic.carbon
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Jon Ross-Perkins 7ccc1e0144 Expand naming for impls and functions (#5808) 
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`,
and *member* functions to `<parent scope>.<fn>` (non-member functions
exclude their parent scope). Stop special-casing builtin functions,
given the new naming scheme.

The purpose of this is to make it clearer when a member function is
being accessed and, if so, which member function. In particular, we
often access interface `Op` functions. The builtin function
special-casing was intended to help with that, but we still have lots of
`Op` functions. This particular approach should make the interactions
clearer.

This changes up queueing of block IDs a little because, in particular,
we need to process bodies of entities only after constants finish
processing. But, it should also result in less memory usage during
processing because it means we have less on the insts stack at any given
time, since we track a block rather than all instructions contained by
the block.
2025-07-21 18:45:07 +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/operators/arithmetic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/operators/arithmetic.carbon
// Test each of the arithmetic operations, signed and unsigned values may lower
// differently.
fn add_i32(a: i32, b: i32) -> i32 { return a + b; }
fn add_u32(a: u32, b: u32) -> u32 { return a + b; }
fn div_i32(a: i32, b: i32) -> i32 { return a / b; }
fn div_u32(a: u32, b: u32) -> u32 { return a / b; }
fn mod_i32(a: i32, b: i32) -> i32 { return a % b; }
fn mod_u32(a: u32, b: u32) -> u32 { return a % b; }
fn mul_i32(a: i32, b: i32) -> i32 { return a * b; }
fn mul_u32(a: u32, b: u32) -> u32 { return a * b; }
fn neg_i32(a: i32) -> i32 { return -a; }
fn neg_u32(a: u32) -> u32 { return -a; }
fn sub_i32(a: i32, b: i32) -> i32 { return a - b; }
fn sub_u32(a: u32, b: u32) -> u32 { return a - b; }
// One test for non-32 bit, verify the size is correct.
fn div_i16(a: i16, b: i16) -> i16 { return a / b; }
fn div_u16(a: u16, b: u16) -> u16 { return a / b; }
// CHECK:STDOUT: ; ModuleID = 'arithmetic.carbon'
// CHECK:STDOUT: source_filename = "arithmetic.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cadd_i32.Main(i32 %a, i32 %b) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.AddWith.impl.Op.call = add i32 %a, %b, !dbg !7
// CHECK:STDOUT: ret i32 %Int.as.AddWith.impl.Op.call, !dbg !8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cadd_u32.Main(i32 %a, i32 %b) !dbg !9 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.AddWith.impl.Op.call = add i32 %a, %b, !dbg !10
// CHECK:STDOUT: ret i32 %UInt.as.AddWith.impl.Op.call, !dbg !11
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cdiv_i32.Main(i32 %a, i32 %b) !dbg !12 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.DivWith.impl.Op.call = sdiv i32 %a, %b, !dbg !13
// CHECK:STDOUT: ret i32 %Int.as.DivWith.impl.Op.call, !dbg !14
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cdiv_u32.Main(i32 %a, i32 %b) !dbg !15 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.DivWith.impl.Op.call = udiv i32 %a, %b, !dbg !16
// CHECK:STDOUT: ret i32 %UInt.as.DivWith.impl.Op.call, !dbg !17
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cmod_i32.Main(i32 %a, i32 %b) !dbg !18 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.ModWith.impl.Op.call = srem i32 %a, %b, !dbg !19
// CHECK:STDOUT: ret i32 %Int.as.ModWith.impl.Op.call, !dbg !20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cmod_u32.Main(i32 %a, i32 %b) !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.ModWith.impl.Op.call = urem i32 %a, %b, !dbg !22
// CHECK:STDOUT: ret i32 %UInt.as.ModWith.impl.Op.call, !dbg !23
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cmul_i32.Main(i32 %a, i32 %b) !dbg !24 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.MulWith.impl.Op.call = mul i32 %a, %b, !dbg !25
// CHECK:STDOUT: ret i32 %Int.as.MulWith.impl.Op.call, !dbg !26
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cmul_u32.Main(i32 %a, i32 %b) !dbg !27 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.MulWith.impl.Op.call = mul i32 %a, %b, !dbg !28
// CHECK:STDOUT: ret i32 %UInt.as.MulWith.impl.Op.call, !dbg !29
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cneg_i32.Main(i32 %a) !dbg !30 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.Negate.impl.Op.call = sub i32 0, %a, !dbg !31
// CHECK:STDOUT: ret i32 %Int.as.Negate.impl.Op.call, !dbg !32
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Cneg_u32.Main(i32 %a) !dbg !33 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.Negate.impl.Op.call = sub i32 0, %a, !dbg !34
// CHECK:STDOUT: ret i32 %UInt.as.Negate.impl.Op.call, !dbg !35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Csub_i32.Main(i32 %a, i32 %b) !dbg !36 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.SubWith.impl.Op.call = sub i32 %a, %b, !dbg !37
// CHECK:STDOUT: ret i32 %Int.as.SubWith.impl.Op.call, !dbg !38
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_Csub_u32.Main(i32 %a, i32 %b) !dbg !39 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.SubWith.impl.Op.call = sub i32 %a, %b, !dbg !40
// CHECK:STDOUT: ret i32 %UInt.as.SubWith.impl.Op.call, !dbg !41
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i16 @_Cdiv_i16.Main(i16 %a, i16 %b) !dbg !42 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Int.as.DivWith.impl.Op.call = sdiv i16 %a, %b, !dbg !43
// CHECK:STDOUT: ret i16 %Int.as.DivWith.impl.Op.call, !dbg !44
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i16 @_Cdiv_u16.Main(i16 %a, i16 %b) !dbg !45 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %UInt.as.DivWith.impl.Op.call = udiv i16 %a, %b, !dbg !46
// CHECK:STDOUT: ret i16 %UInt.as.DivWith.impl.Op.call, !dbg !47
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "arithmetic.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "add_i32", linkageName: "_Cadd_i32.Main", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 16, column: 44, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 16, column: 37, scope: !4)
// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "add_u32", linkageName: "_Cadd_u32.Main", scope: null, file: !3, line: 17, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !10 = !DILocation(line: 17, column: 44, scope: !9)
// CHECK:STDOUT: !11 = !DILocation(line: 17, column: 37, scope: !9)
// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "div_i32", linkageName: "_Cdiv_i32.Main", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !13 = !DILocation(line: 19, column: 44, scope: !12)
// CHECK:STDOUT: !14 = !DILocation(line: 19, column: 37, scope: !12)
// CHECK:STDOUT: !15 = distinct !DISubprogram(name: "div_u32", linkageName: "_Cdiv_u32.Main", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !16 = !DILocation(line: 20, column: 44, scope: !15)
// CHECK:STDOUT: !17 = !DILocation(line: 20, column: 37, scope: !15)
// CHECK:STDOUT: !18 = distinct !DISubprogram(name: "mod_i32", linkageName: "_Cmod_i32.Main", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !19 = !DILocation(line: 22, column: 44, scope: !18)
// CHECK:STDOUT: !20 = !DILocation(line: 22, column: 37, scope: !18)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "mod_u32", linkageName: "_Cmod_u32.Main", scope: null, file: !3, line: 23, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !22 = !DILocation(line: 23, column: 44, scope: !21)
// CHECK:STDOUT: !23 = !DILocation(line: 23, column: 37, scope: !21)
// CHECK:STDOUT: !24 = distinct !DISubprogram(name: "mul_i32", linkageName: "_Cmul_i32.Main", scope: null, file: !3, line: 25, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !25 = !DILocation(line: 25, column: 44, scope: !24)
// CHECK:STDOUT: !26 = !DILocation(line: 25, column: 37, scope: !24)
// CHECK:STDOUT: !27 = distinct !DISubprogram(name: "mul_u32", linkageName: "_Cmul_u32.Main", scope: null, file: !3, line: 26, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !28 = !DILocation(line: 26, column: 44, scope: !27)
// CHECK:STDOUT: !29 = !DILocation(line: 26, column: 37, scope: !27)
// CHECK:STDOUT: !30 = distinct !DISubprogram(name: "neg_i32", linkageName: "_Cneg_i32.Main", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !31 = !DILocation(line: 28, column: 36, scope: !30)
// CHECK:STDOUT: !32 = !DILocation(line: 28, column: 29, scope: !30)
// CHECK:STDOUT: !33 = distinct !DISubprogram(name: "neg_u32", linkageName: "_Cneg_u32.Main", scope: null, file: !3, line: 29, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !34 = !DILocation(line: 29, column: 36, scope: !33)
// CHECK:STDOUT: !35 = !DILocation(line: 29, column: 29, scope: !33)
// CHECK:STDOUT: !36 = distinct !DISubprogram(name: "sub_i32", linkageName: "_Csub_i32.Main", scope: null, file: !3, line: 31, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !37 = !DILocation(line: 31, column: 44, scope: !36)
// CHECK:STDOUT: !38 = !DILocation(line: 31, column: 37, scope: !36)
// CHECK:STDOUT: !39 = distinct !DISubprogram(name: "sub_u32", linkageName: "_Csub_u32.Main", scope: null, file: !3, line: 32, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !40 = !DILocation(line: 32, column: 44, scope: !39)
// CHECK:STDOUT: !41 = !DILocation(line: 32, column: 37, scope: !39)
// CHECK:STDOUT: !42 = distinct !DISubprogram(name: "div_i16", linkageName: "_Cdiv_i16.Main", scope: null, file: !3, line: 36, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !43 = !DILocation(line: 36, column: 44, scope: !42)
// CHECK:STDOUT: !44 = !DILocation(line: 36, column: 37, scope: !42)
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "div_u16", linkageName: "_Cdiv_u16.Main", scope: null, file: !3, line: 37, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !46 = !DILocation(line: 37, column: 44, scope: !45)
// CHECK:STDOUT: !47 = !DILocation(line: 37, column: 37, scope: !45)
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