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1# RUN: llc -emit-call-site-info %s -mtriple=mips -start-before=register-coalescer -stop-after=virtregrewriter -o - | FileCheck %s2 3# Verify that LiveDebugVariables does not reorder the stack location DBG_VALUE4# and the fragmented DBG_VALUEs for aaa, as the latter may represent a stale5# value. It should also not reorder the DBG_VALUEs for the different variables,6# as that results in noise in pass before/after diffs.7 8# CHECK-DAG: ![[aaa:[0-9]+]] = !DILocalVariable(name: "aaa"9# CHECK-DAG: ![[bbb:[0-9]+]] = !DILocalVariable(name: "bbb"10# CHECK-DAG: ![[ccc:[0-9]+]] = !DILocalVariable(name: "ccc"11# CHECK-DAG: ![[ddd:[0-9]+]] = !DILocalVariable(name: "ddd"12 13# CHECK: DBG_VALUE 1001, $noreg, ![[aaa]], !DIExpression(DW_OP_LLVM_fragment, 0, 16)14# CHECK-NEXT: DBG_VALUE 1002, $noreg, ![[aaa]], !DIExpression(DW_OP_LLVM_fragment, 16, 16)15# CHECK-NEXT: DBG_VALUE 222, $noreg, ![[bbb]], !DIExpression()16# CHECK-NEXT: DBG_VALUE 333, $noreg, ![[ccc]], !DIExpression()17# CHECK-NEXT: DBG_VALUE 444, $noreg, ![[ddd]], !DIExpression()18# CHECK-NEXT: DBG_VALUE %stack.0, 0, ![[aaa]], !DIExpression()19 20--- |21 target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"22 target triple = "mips"23 24 define dso_local i32 @main() local_unnamed_addr #0 !dbg !3 {25 entry:26 ret i32 0, !dbg !1227 }28 29 declare !dbg !14 dso_local i32 @foo() local_unnamed_addr30 31 declare void @llvm.dbg.value(metadata, metadata, metadata)32 33 attributes #0 = { "frame-pointer"="all" }34 35 !llvm.dbg.cu = !{!0}36 !llvm.module.flags = !{!2}37 38 !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 19.0.0git", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)39 !1 = !DIFile(filename: "main.c", directory: "/", checksumkind: CSK_MD5, checksum: "9edfcd32ce51b21ab508a4a0755aa78b")40 !2 = !{i32 2, !"Debug Info Version", i32 3}41 !3 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 12, type: !4, scopeLine: 12, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !7)42 !4 = !DISubroutineType(types: !5)43 !5 = !{!6}44 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)45 !7 = !{!8, !9, !10, !11}46 !8 = !DILocalVariable(name: "aaa", scope: !3, file: !1, line: 13, type: !6)47 !9 = !DILocalVariable(name: "bbb", scope: !3, file: !1, line: 13, type: !6)48 !10 = !DILocalVariable(name: "ccc", scope: !3, file: !1, line: 13, type: !6)49 !11 = !DILocalVariable(name: "ddd", scope: !3, file: !1, line: 13, type: !6)50 !12 = !DILocation(line: 13, scope: !3)51 !13 = !{i64 2147496201}52 !14 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !4, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)53 54...55---56name: main57alignment: 458tracksRegLiveness: true59registers:60 - { id: 0, class: gpr32 }61frameInfo:62 maxAlignment: 163 adjustsStack: true64 hasCalls: true65callSites:66 - { bb: 0, offset: 1 }67machineFunctionInfo: {}68body: |69 bb.0.entry:70 ADJCALLSTACKDOWN 16, 0, implicit-def dead $sp, implicit $sp, debug-location !1271 JAL @foo, csr_o32_fpxx, implicit-def dead $ra, implicit-def $sp, implicit-def $v0, debug-location !1272 ADJCALLSTACKUP 16, 0, implicit-def dead $sp, implicit $sp, debug-location !1273 %0:gpr32 = COPY killed $v0, debug-location !1274 DBG_VALUE 1001, $noreg, !8, !DIExpression(DW_OP_LLVM_fragment, 0, 16), debug-location !1275 DBG_VALUE 1002, $noreg, !8, !DIExpression(DW_OP_LLVM_fragment, 16, 16), debug-location !1276 DBG_VALUE 222, $noreg, !9, !DIExpression(), debug-location !1277 DBG_VALUE 333, $noreg, !10, !DIExpression(), debug-location !1278 DBG_VALUE 444, $noreg, !11, !DIExpression(), debug-location !1279 DBG_VALUE %0, $noreg, !8, !DIExpression(), debug-location !1280 INLINEASM &"", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $v0, 12 /* clobber */, implicit-def dead early-clobber $v1, 12 /* clobber */, implicit-def dead early-clobber $a0, 12 /* clobber */, implicit-def dead early-clobber $a1, 12 /* clobber */, implicit-def dead early-clobber $a2, 12 /* clobber */, implicit-def dead early-clobber $a3, 12 /* clobber */, implicit-def dead early-clobber $t0, 12 /* clobber */, implicit-def dead early-clobber $t1, 12 /* clobber */, implicit-def dead early-clobber $t2, 12 /* clobber */, implicit-def dead early-clobber $t3, 12 /* clobber */, implicit-def dead early-clobber $t4, 12 /* clobber */, implicit-def dead early-clobber $t5, 12 /* clobber */, implicit-def dead early-clobber $t6, 12 /* clobber */, implicit-def dead early-clobber $t7, 12 /* clobber */, implicit-def dead early-clobber $t8, 12 /* clobber */, implicit-def dead early-clobber $t9, 12 /* clobber */, implicit-def dead early-clobber $gp, 12 /* clobber */, implicit-def dead early-clobber $ra, 12 /* clobber */, implicit-def dead early-clobber $s0, 12 /* clobber */, implicit-def dead early-clobber $s1, 12 /* clobber */, implicit-def dead early-clobber $s2, 12 /* clobber */, implicit-def dead early-clobber $s3, 12 /* clobber */, implicit-def dead early-clobber $s4, 12 /* clobber */, implicit-def dead early-clobber $s5, 12 /* clobber */, implicit-def dead early-clobber $s6, 12 /* clobber */, implicit-def dead early-clobber $s7, 12 /* clobber */, implicit-def dead early-clobber $at, !13, debug-location !1281 $v0 = COPY killed %0, debug-location !1282 RetRA implicit killed $v0, debug-location !1283 84...85