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1; RUN: llc -mtriple=x86_64-pc-linux -x86-cmov-converter=true -verify-machineinstrs < %s | FileCheck %s2 3; Test for PR34565, check that DBG instructions are ignored while optimizing4; X86 CMOV instructions.5; In this case, we check that there is no 'cmov' generated.6 7; CHECK-NOT: cmov8 9@main.buf = private unnamed_addr constant [10 x i64] [i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9], align 810 11define i32 @main() #0 !dbg !5 {12entry:13 br label %while.body14 15while.body: ; preds = %while.body, %entry16 %a.010 = phi i32 [ 0, %entry ], [ %add.a.0, %while.body ]17 %b.09 = phi i32 [ 10, %entry ], [ %b.0.add, %while.body ]18 %add = add i32 %a.010, %b.0919 %call = tail call i32 @rand()20 %conv = sext i32 %call to i6421 %arrayidx = getelementptr inbounds [10 x i64], ptr @main.buf, i32 0, i32 %add22 %0 = load i64, ptr %arrayidx, align 823 %cmp1 = icmp ult i64 %0, %conv24 %b.0.add = select i1 %cmp1, i32 %b.09, i32 %add25 %add.a.0 = select i1 %cmp1, i32 %add, i32 %a.01026 tail call void @llvm.dbg.value(metadata i32 %add.a.0, metadata !10, metadata !DIExpression()), !dbg !1327 tail call void @llvm.dbg.value(metadata i32 %b.0.add, metadata !12, metadata !DIExpression()), !dbg !1428 tail call void @llvm.dbg.value(metadata i32 %add.a.0, metadata !10, metadata !DIExpression()), !dbg !1329 tail call void @llvm.dbg.value(metadata i32 %b.0.add, metadata !12, metadata !DIExpression()), !dbg !1430 %cmp = icmp ult i32 %add.a.0, %b.0.add31 br i1 %cmp, label %while.body, label %while.end32 33while.end: ; preds = %while.body34 ret i32 035}36 37declare i32 @rand()38 39declare void @llvm.dbg.value(metadata, metadata, metadata)40 41attributes #0 = { "target-cpu"="x86-64" }42 43!llvm.dbg.cu = !{!0}44!llvm.module.flags = !{!3, !4}45 46!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)47!1 = !DIFile(filename: "PR34565.c", directory: "\5C")48!2 = !{}49!3 = !{i32 2, !"Dwarf Version", i32 4}50!4 = !{i32 2, !"Debug Info Version", i32 3}51!5 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 3, type: !6, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)52!6 = !DISubroutineType(types: !7)53!7 = !{!8}54!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)55!9 = !{!10, !12}56!10 = !DILocalVariable(name: "a", scope: !5, file: !1, line: 6, type: !11)57!11 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)58!12 = !DILocalVariable(name: "b", scope: !5, file: !1, line: 7, type: !11)59!13 = !DILocation(line: 6, column: 16, scope: !5)60!14 = !DILocation(line: 7, column: 16, scope: !5)61