1# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj -o - %s \ 2# RUN: | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter 3 4## This test would previously trigger an assertion when trying to describe the 5## call site value for the MOV16ri instruction. 6## Based on the following reproducer: 7## a(short); 8## b() { a(1); } 9 10--- | 11 target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 12 target triple = "x86_64-w64-windows-gnu" 13 14 ; Function Attrs: nounwind uwtable 15 define dso_local i32 @b() local_unnamed_addr !dbg !14 { 16 entry: 17 %call = tail call i32 @a(i16 1), !dbg !17 18 ret i32 undef, !dbg !18 19 } 20 21 declare !dbg !4 dso_local i32 @a(i16) local_unnamed_addr 22 23 !llvm.dbg.cu = !{!0} 24 !llvm.module.flags = !{!9, !10, !11, !12} 25 !llvm.ident = !{!13} 26 27 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) 28 !1 = !DIFile(filename: "1.c", directory: "/") 29 !2 = !{} 30 !3 = !{!4} 31 !4 = !DISubprogram(name: "a", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 32 !5 = !DISubroutineType(types: !6) 33 !6 = !{!7, !8} 34 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 35 !8 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) 36 !9 = !{i32 7, !"Dwarf Version", i32 4} 37 !10 = !{i32 2, !"Debug Info Version", i32 3} 38 !11 = !{i32 1, !"wchar_size", i32 2} 39 !12 = !{i32 7, !"PIC Level", i32 2} 40 !13 = !{!"clang version 11.0.0"} 41 !14 = distinct !DISubprogram(name: "b", scope: !1, file: !1, line: 3, type: !15, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 42 !15 = !DISubroutineType(types: !16) 43 !16 = !{!7} 44 !17 = !DILocation(line: 4, column: 3, scope: !14) 45 !18 = !DILocation(line: 5, column: 1, scope: !14) 46 47... 48--- 49name: b 50alignment: 16 51callSites: 52 - { bb: 0, offset: 1, fwdArgRegs: 53 - { arg: 0, reg: '$cx' } } 54body: | 55 bb.0.entry: 56 $cx = MOV16ri 1, debug-location !17 57 TAILJMPd64 @a, csr_win64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $cx, debug-location !17 58 59... 60