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carbon-lang/toolchain/lower/testdata/array/base.carbon
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Burak Emir 992d435023 Replace unused bindings with anonymous binding in lower/testdata. (#6479) 
This updates lower/testdata to use _ instead of proper names, in order
to avoid the "unused binding" warnings from #2022 which are being
implemented. These changes do not depend on the implementation which
should make everything easier to review.

See #6460 with part 1 of the implementation. It was split upon request
in order to make reviewing easier, the original state of the PR was
updating hundreds of test cases.
The PR has thus been split, part 2 including test cases changes can be
viewed at
https://github.com/burakemir/carbon-lang/tree/unused_pattern_bindings_p2022_impl_part2
... many tests need to be updated, so it seems best to get those tests
out of the way that are not interesting.

These are not all tests in lower/testdata - a few of them are
interesting in the sense that they cannot use '_' because it leads to
failed redeclaration check. This is exactly the scenario described in
#3763 which requires the 'unused' marker. Those are left untouched here
but are updated in
https://github.com/burakemir/carbon-lang/tree/unused_pattern_bindings_p2022_impl_part2
2025-12-17 15:43:04 +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/primitives.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/array/base.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/array/base.carbon
fn Run() {
var _: array(i32, 1) = (1,);
var _: array(f64, 2) = (11.1, 2.2,);
var _: array((), 5) = ((), (), (), (), (),);
var d: (i32, i32, i32) = (1, 2, 3);
var _: array(i32, 3) = d;
}
// CHECK:STDOUT: ; ModuleID = 'base.carbon'
// CHECK:STDOUT: source_filename = "base.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @array.237.loc14_3 = internal constant [1 x i32] [i32 1]
// CHECK:STDOUT: @array.b91.loc15_3 = internal constant [2 x double] [double 1.110000e+01, double 2.200000e+00]
// CHECK:STDOUT: @array.1cb.loc16_3 = internal constant [5 x {}] zeroinitializer
// CHECK:STDOUT: @tuple.ee6.loc17_3 = internal constant { i32, i32, i32 } { i32 1, i32 2, i32 3 }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @main() #0 !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %_.var.loc14 = alloca [1 x i32], align 4, !dbg !7
// CHECK:STDOUT: %_.var.loc15 = alloca [2 x double], align 8, !dbg !8
// CHECK:STDOUT: %_.var.loc16 = alloca [5 x {}], align 8, !dbg !9
// CHECK:STDOUT: %d.var = alloca { i32, i32, i32 }, align 8, !dbg !10
// CHECK:STDOUT: %_.var.loc18 = alloca [3 x i32], align 4, !dbg !11
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc14), !dbg !7
// CHECK:STDOUT: %.loc14_29.3.array.index = getelementptr inbounds [1 x i32], ptr %_.var.loc14, i32 0, i64 0, !dbg !12
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %_.var.loc14, ptr align 4 @array.237.loc14_3, i64 4, i1 false), !dbg !7
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc15), !dbg !8
// CHECK:STDOUT: %.loc15_37.3.array.index = getelementptr inbounds [2 x double], ptr %_.var.loc15, i32 0, i64 0, !dbg !13
// CHECK:STDOUT: %.loc15_37.6.array.index = getelementptr inbounds [2 x double], ptr %_.var.loc15, i32 0, i64 1, !dbg !13
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %_.var.loc15, ptr align 8 @array.b91.loc15_3, i64 16, i1 false), !dbg !8
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc16), !dbg !9
// CHECK:STDOUT: %.loc16_45.2.array.index = getelementptr inbounds [5 x {}], ptr %_.var.loc16, i32 0, i64 0, !dbg !14
// CHECK:STDOUT: %.loc16_45.4.array.index = getelementptr inbounds [5 x {}], ptr %_.var.loc16, i32 0, i64 1, !dbg !14
// CHECK:STDOUT: %.loc16_45.6.array.index = getelementptr inbounds [5 x {}], ptr %_.var.loc16, i32 0, i64 2, !dbg !14
// CHECK:STDOUT: %.loc16_45.8.array.index = getelementptr inbounds [5 x {}], ptr %_.var.loc16, i32 0, i64 3, !dbg !14
// CHECK:STDOUT: %.loc16_45.10.array.index = getelementptr inbounds [5 x {}], ptr %_.var.loc16, i32 0, i64 4, !dbg !14
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %_.var.loc16, ptr align 1 @array.1cb.loc16_3, i64 0, i1 false), !dbg !9
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %d.var), !dbg !10
// CHECK:STDOUT: %tuple.elem0.loc17.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 0, !dbg !15
// CHECK:STDOUT: %tuple.elem1.loc17.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 1, !dbg !15
// CHECK:STDOUT: %tuple.elem2.loc17.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 2, !dbg !15
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %d.var, ptr align 4 @tuple.ee6.loc17_3, i64 12, i1 false), !dbg !10
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc18), !dbg !11
// CHECK:STDOUT: %tuple.elem0.loc18.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 0, !dbg !16
// CHECK:STDOUT: %.loc18_26.1 = load i32, ptr %tuple.elem0.loc18.tuple.elem, align 4, !dbg !16
// CHECK:STDOUT: %.loc18_26.2.array.index = getelementptr inbounds [3 x i32], ptr %_.var.loc18, i32 0, i64 0, !dbg !16
// CHECK:STDOUT: store i32 %.loc18_26.1, ptr %.loc18_26.2.array.index, align 4, !dbg !16
// CHECK:STDOUT: %tuple.elem1.loc18.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 1, !dbg !16
// CHECK:STDOUT: %.loc18_26.4 = load i32, ptr %tuple.elem1.loc18.tuple.elem, align 4, !dbg !16
// CHECK:STDOUT: %.loc18_26.5.array.index = getelementptr inbounds [3 x i32], ptr %_.var.loc18, i32 0, i64 1, !dbg !16
// CHECK:STDOUT: store i32 %.loc18_26.4, ptr %.loc18_26.5.array.index, align 4, !dbg !16
// CHECK:STDOUT: %tuple.elem2.loc18.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 2, !dbg !16
// CHECK:STDOUT: %.loc18_26.7 = load i32, ptr %tuple.elem2.loc18.tuple.elem, align 4, !dbg !16
// CHECK:STDOUT: %.loc18_26.8.array.index = getelementptr inbounds [3 x i32], ptr %_.var.loc18, i32 0, i64 2, !dbg !16
// CHECK:STDOUT: store i32 %.loc18_26.7, ptr %.loc18_26.8.array.index, align 4, !dbg !16
// CHECK:STDOUT: ret void, !dbg !17
// 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)) #1
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree 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) #2
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 3, 2, 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// 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_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "base.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Run", linkageName: "main", scope: null, file: !3, line: 13, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{null}
// CHECK:STDOUT: !7 = !DILocation(line: 14, column: 3, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 15, column: 3, scope: !4)
// CHECK:STDOUT: !9 = !DILocation(line: 16, column: 3, scope: !4)
// CHECK:STDOUT: !10 = !DILocation(line: 17, column: 3, scope: !4)
// CHECK:STDOUT: !11 = !DILocation(line: 18, column: 3, scope: !4)
// CHECK:STDOUT: !12 = !DILocation(line: 14, column: 26, scope: !4)
// CHECK:STDOUT: !13 = !DILocation(line: 15, column: 26, scope: !4)
// CHECK:STDOUT: !14 = !DILocation(line: 16, column: 25, scope: !4)
// CHECK:STDOUT: !15 = !DILocation(line: 17, column: 28, scope: !4)
// CHECK:STDOUT: !16 = !DILocation(line: 18, column: 26, scope: !4)
// CHECK:STDOUT: !17 = !DILocation(line: 13, column: 1, scope: !4)
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