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1# This test checks that we have a mapping between the H register chosen by codegen2# and the codeview number for that register.3#4# RUN: llc %s -mtriple=arm64-windows -filetype=obj -o %t --start-after=unpack-mi-bundles5# RUN: llvm-readobj --codeview %t | FileCheck %s --check-prefix=OBJ6#7# OBJ: LocalSym {8# OBJ: Kind: S_LOCAL (0x113E)9# OBJ: Type: __half (0x46)10# OBJ: Flags [ (0x1)11# OBJ: IsParameter (0x1)12# OBJ: ]13# OBJ: VarName: x14# OBJ: }15# OBJ: DefRangeRegisterSym {16# OBJ: Kind: S_DEFRANGE_REGISTER (0x1141)17# OBJ: Register: ARM64_H0 (0x10E)18# OBJ: MayHaveNoName: 019# OBJ: LocalVariableAddrRange {20# OBJ: OffsetStart: .text+0x021# OBJ: ISectStart: 0x022# OBJ: Range: 0x423# OBJ: }24# OBJ: }25#26--- |27 define internal fastcc i1 @test.fn(half %0) !dbg !4 {28 Entry:29 call void @llvm.dbg.value(metadata half %0, metadata !11, metadata !DIExpression()), !dbg !1330 %1 = fcmp une half 0xH0000, %0, !dbg !1431 ret i1 %132 }33 34 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn35 declare void @llvm.dbg.value(metadata, metadata, metadata) #036 37 attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }38 39 !llvm.module.flags = !{!0, !1}40 !llvm.dbg.cu = !{!2}41 42 !0 = !{i32 2, !"Debug Info Version", i32 3}43 !1 = !{i32 2, !"CodeView", i32 1}44 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)45 !3 = !DIFile(filename: "test", directory: ".")46 !4 = distinct !DISubprogram(name: "fn", linkageName: "test.fn", scope: !5, file: !5, line: 32, type: !6, scopeLine: 32, flags: DIFlagStaticMember, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !2, retainedNodes: !10)47 !5 = !DIFile(filename: "test.o", directory: ".")48 !6 = !DISubroutineType(types: !7)49 !7 = !{!8, !9}50 !8 = !DIBasicType(name: "bool", size: 1, encoding: DW_ATE_boolean)51 !9 = !DIBasicType(name: "f16", size: 16, encoding: DW_ATE_float)52 !10 = !{!11}53 !11 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !5, line: 32, type: !9)54 !12 = distinct !DILexicalBlock(scope: !4, file: !5, line: 32, column: 1)55 !13 = !DILocation(line: 32, column: 31, scope: !12)56 !14 = !DILocation(line: 33, column: 5, scope: !15)57 !15 = distinct !DILexicalBlock(scope: !12, file: !5)58...59---60name: test.fn61body: |62 bb.0:63 liveins: $h064 DBG_VALUE $h0, $noreg, !11, !DIExpression(), debug-location !1365 renamable $s0 = nofpexcept FCVTSHr killed renamable $h0, implicit $fpcr, debug-location !1466 DBG_VALUE $h0, $noreg, !11, !DIExpression(DW_OP_LLVM_entry_value, 1), debug-location !1367 nofpexcept FCMPSri killed renamable $s0, implicit-def $nzcv, implicit $fpcr, debug-location !1468 renamable $w0 = CSINCWr $wzr, $wzr, 0, implicit killed $nzcv, debug-location !1469 RET undef $lr, implicit killed $w070...71