Index: llvm/lib/Target/X86/X86InstrInfo.cpp =================================================================== --- llvm/lib/Target/X86/X86InstrInfo.cpp +++ llvm/lib/Target/X86/X86InstrInfo.cpp @@ -8270,6 +8270,10 @@ return ParamLoadedValue(*Op, Expr);; } + case X86::MOV8ri: + case X86::MOV16ri: + // TODO: Handle MOV8ri and MOV16ri. + return None; case X86::MOV32ri: case X86::MOV64ri: case X86::MOV64ri32: Index: llvm/test/DebugInfo/MIR/X86/call-site-param-mov16.mir =================================================================== --- /dev/null +++ llvm/test/DebugInfo/MIR/X86/call-site-param-mov16.mir @@ -0,0 +1,53 @@ +# REQUIRES: asserts +# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o - + +--- | + target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" + target triple = "x86_64-w64-windows-gnu" + + ; Function Attrs: nounwind uwtable + define dso_local i32 @b() local_unnamed_addr !dbg !14 { + entry: + %call = tail call i32 @a(i16 1), !dbg !17 + ret i32 undef, !dbg !18 + } + + declare !dbg !4 dso_local i32 @a(i16) local_unnamed_addr + + !llvm.dbg.cu = !{!0} + !llvm.module.flags = !{!9, !10, !11, !12} + !llvm.ident = !{!13} + + !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) + !1 = !DIFile(filename: "1.c", directory: "/") + !2 = !{} + !3 = !{!4} + !4 = !DISubprogram(name: "a", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) + !5 = !DISubroutineType(types: !6) + !6 = !{!7, !8} + !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) + !8 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) + !9 = !{i32 7, !"Dwarf Version", i32 4} + !10 = !{i32 2, !"Debug Info Version", i32 3} + !11 = !{i32 1, !"wchar_size", i32 2} + !12 = !{i32 7, !"PIC Level", i32 2} + !13 = !{!"clang version 11.0.0"} + !14 = distinct !DISubprogram(name: "b", scope: !1, file: !1, line: 3, type: !15, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) + !15 = !DISubroutineType(types: !16) + !16 = !{!7} + !17 = !DILocation(line: 4, column: 3, scope: !14) + !18 = !DILocation(line: 5, column: 1, scope: !14) + +... +--- +name: b +alignment: 16 +callSites: + - { bb: 0, offset: 1, fwdArgRegs: + - { arg: 0, reg: '$cx' } } +body: | + bb.0.entry: + $cx = MOV16ri 1, debug-location !17 + TAILJMPd64 @a, csr_win64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit killed $cx, debug-location !17 + +...