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1; RUN: opt < %s -passes=add-discriminators -S | FileCheck %s2 3; Discriminator support for multiple CFG paths on the same line.4;5; void foo(int i) {6; int x;7; if (i < 10) x = i; else x = -i;8; }9;10; The two stores inside the if-then-else line must have different discriminator11; values.12 13define void @foo(i32 %i) !dbg !4 {14entry:15 %i.addr = alloca i32, align 416 %x = alloca i32, align 417 store i32 %i, ptr %i.addr, align 418 %0 = load i32, ptr %i.addr, align 4, !dbg !1019 %cmp = icmp slt i32 %0, 10, !dbg !1020 br i1 %cmp, label %if.then, label %if.else, !dbg !1021 22if.then: ; preds = %entry23 %1 = load i32, ptr %i.addr, align 4, !dbg !1024; CHECK: %1 = load i32, ptr %i.addr, align 4, !dbg ![[THEN:[0-9]+]]25 26 store i32 %1, ptr %x, align 4, !dbg !1027; CHECK: store i32 %1, ptr %x, align 4, !dbg ![[THEN]]28 29 br label %if.end, !dbg !1030; CHECK: br label %if.end, !dbg ![[THEN]]31 32if.else: ; preds = %entry33 %2 = load i32, ptr %i.addr, align 4, !dbg !1034; CHECK: %2 = load i32, ptr %i.addr, align 4, !dbg ![[ELSE:[0-9]+]]35 36 %sub = sub nsw i32 0, %2, !dbg !1037; CHECK: %sub = sub nsw i32 0, %2, !dbg ![[ELSE]]38 39 store i32 %sub, ptr %x, align 4, !dbg !1040; CHECK: store i32 %sub, ptr %x, align 4, !dbg ![[ELSE]]41 42 br label %if.end43 44if.end: ; preds = %if.else, %if.then45 ret void, !dbg !1246}47 48!llvm.dbg.cu = !{!0}49!llvm.module.flags = !{!7, !8}50!llvm.ident = !{!9}51 52!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 (trunk 199750) (llvm/trunk 199751)", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)53!1 = !DIFile(filename: "multiple.c", directory: ".")54!2 = !{}55!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)56!5 = !DIFile(filename: "multiple.c", directory: ".")57!6 = !DISubroutineType(types: !{null, !13})58!13 = !DIBasicType(encoding: DW_ATE_signed, name: "int", size: 32, align: 32)59!7 = !{i32 2, !"Dwarf Version", i32 4}60!8 = !{i32 1, !"Debug Info Version", i32 3}61!9 = !{!"clang version 3.5 (trunk 199750) (llvm/trunk 199751)"}62!10 = !DILocation(line: 3, scope: !11)63!11 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !4)64!12 = !DILocation(line: 4, scope: !4)65 66; CHECK: ![[THEN]] = !DILocation(line: 3, scope: ![[THENBLOCK:[0-9]+]])67; CHECK: ![[THENBLOCK]] = !DILexicalBlockFile(scope: ![[SCOPE:[0-9]+]],{{.*}} discriminator: 2)68; CHECK: ![[ELSE]] = !DILocation(line: 3, scope: ![[ELSEBLOCK:[0-9]+]])69; CHECK: ![[ELSEBLOCK]] = !DILexicalBlockFile(scope: ![[SCOPE]],{{.*}} discriminator: 4)70