| ; RUN: opt -S -loop-reduce %s | FileCheck %s | |
| ;; We (currently?) can't salvage an IV if the offset is wider than 64 bits. | |
| ;; Check we poison it instead. | |
| ; CHECK: #dbg_value(i[[#]] poison, ![[#]], !DIExpression(), ![[#]]) | |
| define i16 @main() { | |
| entry: | |
| br label %for.cond29 | |
| for.cond29: ; preds = %for.body32, %entry | |
| %il_1000.0 = phi i128 [ 0, %entry ], [ %inc72, %for.body32 ] | |
| %l_995.0 = phi i128 [ 4704496199548239085565, %entry ], [ %inc70, %for.body32 ] | |
| #dbg_value(i128 %l_995.0, !4, !DIExpression(), !9) | |
| %cmp30 = icmp slt i128 %il_1000.0, 0 | |
| br i1 %cmp30, label %for.body32, label %for.cond.cleanup31 | |
| for.cond.cleanup31: ; preds = %for.cond29 | |
| ret i16 0 | |
| for.body32: ; preds = %for.cond29 | |
| %inc70 = add i128 %l_995.0, 1 | |
| %inc72 = add i128 %il_1000.0, 1 | |
| br label %for.cond29 | |
| } | |
| !llvm.dbg.cu = !{!0} | |
| !llvm.module.flags = !{!3} | |
| !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !2, globals: !2, splitDebugInlining: false, nameTableKind: None) | |
| !1 = !DIFile(filename: "foo.c", directory: "/tmp") | |
| !2 = !{} | |
| !3 = !{i32 2, !"Debug Info Version", i32 3} | |
| !4 = !DILocalVariable(name: "l_995", scope: !5, file: !1, line: 414, type: !7) | |
| !5 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 397, type: !6, scopeLine: 398, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) | |
| !6 = !DISubroutineType(types: !2) | |
| !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "__uint128_t", file: !1, baseType: !8) | |
| !8 = !DIBasicType(name: "unsigned __int128", size: 128, encoding: DW_ATE_unsigned) | |
| !9 = !DILocation(line: 0, scope: !5) |