1 ; RUN: opt -S -codegenprepare < %s | FileCheck %s 2 ; 3 ; This test case has been generated by hand but is inspired by the 4 ; observation that compares that are sunk into the basic blocks where 5 ; their results are used did not retain their debug locs. This caused 6 ; 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: 2 14 ; 15 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 16 17 define i32 @_Z3fooii(i32 %x, i32 %y) !dbg !5 { 18 entry: 19 %cmp17 = icmp sgt i32 %x, 0, !dbg !6 20 br label %other.bb, !dbg !6 21 22 other.bb: 23 br i1 %cmp17, label %exit1.bb, label %exit2.bb, !dbg !7 24 25 exit1.bb: 26 %0 = add i32 %y, 42, !dbg !8 27 ret i32 %0, !dbg !8 28 29 exit2.bb: 30 ret i32 44, !dbg !9 31 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
