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1; RUN: opt -S -mtriple=x86_64 -codegenprepare < %s | FileCheck %s2;3; This test case has been generated by hand but is inspired by the4; observation that compares that are sunk into the basic blocks where5; their results are used did not retain their debug locs. This caused6; sample profiling to attribute code to the wrong source lines. 7;8; We check that the compare instruction retains its debug loc after 9; it is sunk into other.bb by the codegen prepare pass.10; 11; CHECK: entry:12; CHECK-NEXT: icmp{{.*}}%x, 0, !dbg ![[MDHANDLE:[0-9]*]]13; CHECK: ![[MDHANDLE]] = !DILocation(line: 214;15target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"16 17define i32 @_Z3fooii(i32 %x, i32 %y) !dbg !5 {18entry:19 %cmp17 = icmp sgt i32 %x, 0, !dbg !620 br label %other.bb, !dbg !621 22other.bb:23 br i1 %cmp17, label %exit1.bb, label %exit2.bb, !dbg !724 25exit1.bb:26 %0 = add i32 %y, 42, !dbg !827 ret i32 %0, !dbg !828 29exit2.bb:30 ret i32 44, !dbg !931 32}33 34!llvm.dbg.cu = !{!0}35!llvm.module.flags = !{!3, !4}36 37!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2)38!1 = !DIFile(filename: "test.cpp", directory: "/debuginfo/bug/cgp")39!2 = !{}40!3 = !{i32 2, !"Dwarf Version", i32 4}41!4 = !{i32 2, !"Debug Info Version", i32 3}42!5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 1, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)43!6 = !DILocation(line: 2, column: 0, scope: !5)44!7 = !DILocation(line: 3, column: 0, scope: !5)45!8 = !DILocation(line: 4, column: 0, scope: !5)46!9 = !DILocation(line: 5, column: 0, scope: !5)47