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1# RUN: llc -O0 -verify-machineinstrs -mtriple aarch64-- -run-pass=legalizer %s -o - | FileCheck %s2 3# Check that when we combine SEXT we assign the correct debug location.4# CHECK: !9 = !DILocation(line: 36, column: 21, scope: !4)5# CHECK: G_AND %4, %5, debug-location !96 7--- |8 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"9 target triple = "aarch64-unknown-unknown"10 11 define i64 @main(i8 %pat) personality ptr @__gxx_personality_v0 !dbg !4 {12 entry:13 %sext.1 = zext i8 %pat to i16, !dbg !814 %sext.zext.1 = sext i16 %sext.1 to i64, !dbg !915 ret i64 %sext.zext.116 }17 18 declare void @printf(ptr, ...)19 20 declare i32 @__gxx_personality_v0(...)21 22 !llvm.dbg.cu = !{!0}23 !llvm.module.flags = !{!2, !3}24 25 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, nameTableKind: None, sysroot: "/pata/tino", sdk: "iPhoneOS13.0.sdk")26 !1 = !DIFile(filename: "/pata/tino/main.cpp", directory: "/pata/tino")27 !2 = !{i32 2, !"Debug Info Version", i32 3}28 !3 = !{i32 7, !"PIC Level", i32 2}29 !4 = distinct !DISubprogram(name: "main", scope: !5, file: !5, line: 19, type: !6, scopeLine: 20, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)30 !5 = !DIFile(filename: "main.cpp", directory: "/pata/tino")31 !6 = !DISubroutineType(types: !7)32 !7 = !{}33 !8 = !DILocation(line: 23, column: 5, scope: !4)34 !9 = !DILocation(line: 36, column: 21, scope: !4)35 36...37---38name: main39body: |40 bb.1.entry:41 liveins: $w042 43 %1:_(s32) = COPY $w044 %0:_(s8) = G_TRUNC %1(s32)45 %2:_(s16) = G_ZEXT %0(s8), debug-location !846 %3:_(s64) = G_SEXT %2(s16), debug-location !947 $x0 = COPY %3(s64)48 RET_ReallyLR implicit $x049 50...51