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https://github.com/carbon-language/carbon-lang.git
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Richard SmithandDana Jansens
19182f08aa
Use it in the instruction namer to make instruction names more stable across unrelated changes to the toolchain or the prelude. --------- Co-authored-by: Dana Jansens <danakj@orodu.net>
86 lines
5.1 KiB
Plaintext
86 lines
5.1 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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// 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/basics/numeric_literals.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/basics/numeric_literals.carbon
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fn F() {
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// 8 and 9 trigger special behavior in APInt when mishandling signed versus
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// unsigned, so we pay extra attention to those.
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var ints: [i32; 4] = (
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8,
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9,
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0x8,
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0b1000,
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);
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var floats: [f64; 6] = (
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0.9,
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8.0,
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80.0,
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1.0e7,
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1.0e8,
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1.0e-8,
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);
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}
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// CHECK:STDOUT: ; ModuleID = 'numeric_literals.carbon'
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// CHECK:STDOUT: source_filename = "numeric_literals.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: @array.e55.loc19_4 = internal constant [4 x i32] [i32 8, i32 9, i32 8, i32 8]
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// CHECK:STDOUT: @array.a2f.loc27_4 = internal constant [6 x double] [double 9.000000e-01, double 8.000000e+00, double 8.000000e+01, double 1.000000e+07, double 1.000000e+08, double 1.000000e-08]
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @_CF.Main() !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %ints.var = alloca [4 x i32], align 4, !dbg !7
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// CHECK:STDOUT: %floats.var = alloca [6 x double], align 8, !dbg !7
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 16, ptr %ints.var), !dbg !7
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// CHECK:STDOUT: %.loc19_3.3.array.index = getelementptr inbounds [4 x i32], ptr %ints.var, i32 0, i64 0, !dbg !8
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// CHECK:STDOUT: %.loc19_3.6.array.index = getelementptr inbounds [4 x i32], ptr %ints.var, i32 0, i64 1, !dbg !8
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// CHECK:STDOUT: %.loc19_3.9.array.index = getelementptr inbounds [4 x i32], ptr %ints.var, i32 0, i64 2, !dbg !8
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// CHECK:STDOUT: %.loc19_3.12.array.index = getelementptr inbounds [4 x i32], ptr %ints.var, i32 0, i64 3, !dbg !8
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %ints.var, ptr align 4 @array.e55.loc19_4, i64 16, i1 false), !dbg !9
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 48, ptr %floats.var), !dbg !7
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// CHECK:STDOUT: %.loc27_3.2.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 0, !dbg !10
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// CHECK:STDOUT: %.loc27_3.4.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 1, !dbg !10
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// CHECK:STDOUT: %.loc27_3.6.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 2, !dbg !10
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// CHECK:STDOUT: %.loc27_3.8.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 3, !dbg !10
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// CHECK:STDOUT: %.loc27_3.10.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 4, !dbg !10
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// CHECK:STDOUT: %.loc27_3.12.array.index = getelementptr inbounds [6 x double], ptr %floats.var, i32 0, i64 5, !dbg !10
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %floats.var, ptr align 8 @array.a2f.loc27_4, i64 48, i1 false), !dbg !11
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// CHECK:STDOUT: ret void, !dbg !12
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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(i64 immarg, ptr nocapture) #0
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1
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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, { 1, 0 }
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// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 1, 0 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
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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 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !3 = !DIFile(filename: "numeric_literals.carbon", directory: "")
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !6 = !{}
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// CHECK:STDOUT: !7 = !DILocation(line: 14, column: 7, scope: !4)
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// CHECK:STDOUT: !8 = !DILocation(line: 14, column: 24, scope: !4)
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// CHECK:STDOUT: !9 = !DILocation(line: 14, column: 3, scope: !4)
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// CHECK:STDOUT: !10 = !DILocation(line: 20, column: 26, scope: !4)
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// CHECK:STDOUT: !11 = !DILocation(line: 20, column: 3, scope: !4)
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// CHECK:STDOUT: !12 = !DILocation(line: 11, column: 1, scope: !4)
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