1; RUN: opt -passes=sroa -S %s -o - | FileCheck %s 2; RUN: opt --try-experimental-debuginfo-iterators -passes=sroa -S %s -o - | FileCheck %s 3 4;; Check that a dbg.assign for a promoted variable becomes a kill location if 5;; it used an arglist. 6 7; CHECK: if.then: 8; CHECK-NEXT: #dbg_value(i32 poison, 9 10; CHECK: if.else: 11; CHECK-NEXT: #dbg_value(i32 2, 12 13declare i8 @get_i8() 14 15define internal fastcc i64 @fun() !dbg !18 { 16entry: 17 %codepoint = alloca i32, align 4, !DIAssignID !27 18 call void @llvm.dbg.assign(metadata i1 poison, metadata !15, metadata !DIExpression(), metadata !27, metadata ptr %codepoint, metadata !DIExpression()), !dbg !26 19 %0 = call i8 @get_i8() #2 20 %1 = and i8 %0, 15 21 %and14 = zext i8 %1 to i32 22 %shl = shl nuw nsw i32 %and14, 12 23 %2 = call i8 @get_i8() #2 24 %3 = and i8 %2, 63 25 %and21 = zext i8 %3 to i32 26 %or22 = or i32 %shl, %and21 27 %cmp = icmp ugt i32 %or22, 57343 28 br i1 %cmp, label %if.then, label %if.else 29 30if.then: 31 store i32 %or22, ptr %codepoint, align 4, !DIAssignID !25 32 call void @llvm.dbg.assign(metadata !DIArgList(i32 %shl, i32 %and21), metadata !15, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_or, DW_OP_stack_value), metadata !25, metadata ptr %codepoint, metadata !DIExpression()), !dbg !26 33 br label %end 34 35if.else: 36 store i32 2, ptr %codepoint, align 4, !DIAssignID !28 37 call void @llvm.dbg.assign(metadata i32 2, metadata !15, metadata !DIExpression(), metadata !28, metadata ptr %codepoint, metadata !DIExpression()), !dbg !26 38 br label %end 39 40end: 41 %r = load i32, ptr %codepoint 42 %rr = sext i32 %r to i64 43 ret i64 %rr 44} 45 46declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) 47 48!llvm.dbg.cu = !{!0} 49!llvm.module.flags = !{!13, !14} 50 51!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 17.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, imports: !2, splitDebugInlining: false, nameTableKind: None) 52!1 = !DIFile(filename: "reduce.cpp", directory: "/") 53!2 = !{} 54!13 = !{i32 2, !"Debug Info Version", i32 3} 55!14 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 56!15 = !DILocalVariable(name: "codepoint", scope: !18, file: !1, line: 10, type: !24) 57!18 = distinct !DISubprogram(name: "fun", linkageName: "fun", scope: !1, file: !1, line: 4, type: !19, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 58!19 = distinct !DISubroutineType(types: !2) 59!24 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) 60!25 = distinct !DIAssignID() 61!26 = !DILocation(line: 0, scope: !18) 62!27 = distinct !DIAssignID() 63!28 = distinct !DIAssignID() 64