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7b45a28a824deb3c4012b80fdc72e364a055a5be
carbon-lang/toolchain/lower/testdata/array/base.carbon
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Richard Smith 7b45a28a82 Fix lowering of array indexing with an int literal. (#4686) 
Such indexing operations are created by array initialization. Since we
switched integer literals to be of type IntLiteral we've been attempting
to index arrays with the (empty) representation of an IntLiteral rather
than with an actual integer value.
2024-12-14 04:47:32 +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
//
// 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 a: [i32; 1] = (1,);
var b: [f64; 2] = (11.1, 2.2,);
var c: [(); 5] = ((), (), (), (), (),);
var d: (i32, i32, i32) = (1, 2, 3);
var e: [i32; 3] = d;
}
// CHECK:STDOUT: ; ModuleID = 'base.carbon'
// CHECK:STDOUT: source_filename = "base.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @array.1.loc12_25 = internal constant [1 x i32] [i32 1]
// CHECK:STDOUT: @array.2.loc13_33 = internal constant [2 x double] [double 0x4026333333333334, double 2.200000e+00]
// CHECK:STDOUT: @array.3.loc14_41 = internal constant [5 x {}] zeroinitializer
// CHECK:STDOUT: @tuple.loc15_37 = internal constant { i32, i32, i32 } { i32 1, i32 2, i32 3 }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @main() !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %a.var = alloca [1 x i32], align 4, !dbg !7
// CHECK:STDOUT: %.loc12_24.3.array.index = getelementptr inbounds [1 x i32], ptr %a.var, i32 0, i64 0, !dbg !8
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %a.var, ptr align 4 @array.1.loc12_25, i64 4, i1 false), !dbg !9
// CHECK:STDOUT: %b.var = alloca [2 x double], align 8, !dbg !10
// CHECK:STDOUT: %.loc13_32.2.array.index = getelementptr inbounds [2 x double], ptr %b.var, i32 0, i64 0, !dbg !11
// CHECK:STDOUT: %.loc13_32.4.array.index = getelementptr inbounds [2 x double], ptr %b.var, i32 0, i64 1, !dbg !11
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %b.var, ptr align 8 @array.2.loc13_33, i64 16, i1 false), !dbg !12
// CHECK:STDOUT: %c.var = alloca [5 x {}], align 8, !dbg !13
// CHECK:STDOUT: %.loc14_40.2.array.index = getelementptr inbounds [5 x {}], ptr %c.var, i32 0, i64 0, !dbg !14
// CHECK:STDOUT: %.loc14_40.4.array.index = getelementptr inbounds [5 x {}], ptr %c.var, i32 0, i64 1, !dbg !14
// CHECK:STDOUT: %.loc14_40.6.array.index = getelementptr inbounds [5 x {}], ptr %c.var, i32 0, i64 2, !dbg !14
// CHECK:STDOUT: %.loc14_40.8.array.index = getelementptr inbounds [5 x {}], ptr %c.var, i32 0, i64 3, !dbg !14
// CHECK:STDOUT: %.loc14_40.10.array.index = getelementptr inbounds [5 x {}], ptr %c.var, i32 0, i64 4, !dbg !14
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %c.var, ptr align 1 @array.3.loc14_41, i64 0, i1 false), !dbg !15
// CHECK:STDOUT: %d.var = alloca { i32, i32, i32 }, align 8, !dbg !16
// CHECK:STDOUT: %tuple.elem0.loc15.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 0, !dbg !17
// CHECK:STDOUT: %tuple.elem1.loc15.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 1, !dbg !17
// CHECK:STDOUT: %tuple.elem2.loc15.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 2, !dbg !17
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %d.var, ptr align 4 @tuple.loc15_37, i64 12, i1 false), !dbg !18
// CHECK:STDOUT: %e.var = alloca [3 x i32], align 4, !dbg !19
// CHECK:STDOUT: %tuple.elem0.loc16.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 0, !dbg !20
// CHECK:STDOUT: %.loc16_21.1 = load i32, ptr %tuple.elem0.loc16.tuple.elem, align 4, !dbg !20
// CHECK:STDOUT: %.loc16_21.2.array.index = getelementptr inbounds [3 x i32], ptr %e.var, i32 0, i64 0, !dbg !20
// CHECK:STDOUT: store i32 %.loc16_21.1, ptr %.loc16_21.2.array.index, align 4, !dbg !20
// CHECK:STDOUT: %tuple.elem1.loc16.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 1, !dbg !20
// CHECK:STDOUT: %.loc16_21.4 = load i32, ptr %tuple.elem1.loc16.tuple.elem, align 4, !dbg !20
// CHECK:STDOUT: %.loc16_21.5.array.index = getelementptr inbounds [3 x i32], ptr %e.var, i32 0, i64 1, !dbg !20
// CHECK:STDOUT: store i32 %.loc16_21.4, ptr %.loc16_21.5.array.index, align 4, !dbg !20
// CHECK:STDOUT: %tuple.elem2.loc16.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %d.var, i32 0, i32 2, !dbg !20
// CHECK:STDOUT: %.loc16_21.7 = load i32, ptr %tuple.elem2.loc16.tuple.elem, align 4, !dbg !20
// CHECK:STDOUT: %.loc16_21.8.array.index = getelementptr inbounds [3 x i32], ptr %e.var, i32 0, i64 2, !dbg !20
// CHECK:STDOUT: store i32 %.loc16_21.7, ptr %.loc16_21.8.array.index, align 4, !dbg !20
// CHECK:STDOUT: ret void, !dbg !21
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 3, 2, 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { 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, 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: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 12, column: 7, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 12, column: 21, scope: !4)
// CHECK:STDOUT: !9 = !DILocation(line: 12, column: 3, scope: !4)
// CHECK:STDOUT: !10 = !DILocation(line: 13, column: 7, scope: !4)
// CHECK:STDOUT: !11 = !DILocation(line: 13, column: 21, scope: !4)
// CHECK:STDOUT: !12 = !DILocation(line: 13, column: 3, scope: !4)
// CHECK:STDOUT: !13 = !DILocation(line: 14, column: 7, scope: !4)
// CHECK:STDOUT: !14 = !DILocation(line: 14, column: 20, scope: !4)
// CHECK:STDOUT: !15 = !DILocation(line: 14, column: 3, scope: !4)
// CHECK:STDOUT: !16 = !DILocation(line: 15, column: 7, scope: !4)
// CHECK:STDOUT: !17 = !DILocation(line: 15, column: 28, scope: !4)
// CHECK:STDOUT: !18 = !DILocation(line: 15, column: 3, scope: !4)
// CHECK:STDOUT: !19 = !DILocation(line: 16, column: 7, scope: !4)
// CHECK:STDOUT: !20 = !DILocation(line: 16, column: 21, scope: !4)
// CHECK:STDOUT: !21 = !DILocation(line: 11, column: 1, scope: !4)
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