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# This test checks that we have a mapping between the B registers and their Codeview numbers.
# There is no 8 bit float type so this is a modified version of codeview-h-register.mir to
# have a B register in the location info but not the instructions. Which is incorrect
# but in ways this test does not care about.
#
# RUN: llc %s -mtriple=arm64-windows -filetype=obj -o %t --start-after=unpack-mi-bundles
# RUN: llvm-readobj --codeview %t | FileCheck %s --check-prefix=OBJ
#
# OBJ: LocalSym {
# OBJ: Kind: S_LOCAL (0x113E)
# OBJ: Type: __half (0x46)
# OBJ: Flags [ (0x1)
# OBJ: IsParameter (0x1)
# OBJ: ]
# OBJ: VarName: x
# OBJ: }
# OBJ: DefRangeRegisterSym {
# OBJ: Kind: S_DEFRANGE_REGISTER (0x1141)
# OBJ: Register: ARM64_B0 (0xE6)
# OBJ: MayHaveNoName: 0
# OBJ: LocalVariableAddrRange {
# OBJ: OffsetStart: .text+0x0
# OBJ: ISectStart: 0x0
# OBJ: Range: 0x4
# OBJ: }
# OBJ: }
#
--- |
define internal fastcc i1 @test.fn(half %0) !dbg !4 {
Entry:
call void @llvm.dbg.value(metadata half %0, metadata !11, metadata !DIExpression()), !dbg !13
%1 = fcmp une half 0xH0000, %0, !dbg !14
ret i1 %1
}
; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !{i32 2, !"CodeView", i32 1}
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: "test", directory: ".")
!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)
!5 = !DIFile(filename: "test.o", directory: ".")
!6 = !DISubroutineType(types: !7)
!7 = !{!8, !9}
!8 = !DIBasicType(name: "bool", size: 1, encoding: DW_ATE_boolean)
!9 = !DIBasicType(name: "f16", size: 16, encoding: DW_ATE_float)
!10 = !{!11}
!11 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !5, line: 32, type: !9)
!12 = distinct !DILexicalBlock(scope: !4, file: !5, line: 32, column: 1)
!13 = !DILocation(line: 32, column: 31, scope: !12)
!14 = !DILocation(line: 33, column: 5, scope: !15)
!15 = distinct !DILexicalBlock(scope: !12, file: !5)
...
---
name: test.fn
body: |
bb.0:
liveins: $b0
DBG_VALUE $b0, $noreg, !11, !DIExpression(), debug-location !13
renamable $s0 = nofpexcept FCVTSHr killed renamable $h0, implicit $fpcr, debug-location !14
DBG_VALUE $b0, $noreg, !11, !DIExpression(DW_OP_LLVM_entry_value, 1), debug-location !13
nofpexcept FCMPSri killed renamable $s0, implicit-def $nzcv, implicit $fpcr, debug-location !14
renamable $w0 = CSINCWr $wzr, $wzr, 0, implicit killed $nzcv, debug-location !14
RET undef $lr, implicit killed $w0
...
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