| ; RUN: llc -stop-after=expand-isel-pseudos < %s | FileCheck %s |
| ; |
| ; Make sure that when the entry block of IR below is lowered, an instruction |
| ; that implictly defines $eflags has a same debug location with the icmp |
| ; instruction, and the branch instructions have a same debug location with the |
| ; br instruction. |
| ; |
| ; CHECK: [[DLOC1:![0-9]+]] = !DILocation(line: 5, column: 9, scope: !{{[0-9]+}}) |
| ; CHECK: [[DLOC2:![0-9]+]] = !DILocation(line: 5, column: 7, scope: !{{[0-9]+}}) |
| ; CHECK-DAG: [[VREG1:%[^ ]+]]:gr32 = COPY $esi |
| ; CHECK-DAG: [[VREG2:%[^ ]+]]:gr32 = COPY $edi |
| ; CHECK: SUB32rr [[VREG2]], [[VREG1]], implicit-def $eflags, debug-location [[DLOC1]] |
| ; CHECK-NEXT: JE_1{{.*}} implicit $eflags, debug-location [[DLOC2]] |
| ; CHECK-NEXT: JMP_1{{.*}} debug-location [[DLOC2]] |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @foo(i32 %x, i32 %y) !dbg !4 { |
| entry: |
| tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !11), !dbg !12 |
| tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !10, metadata !11), !dbg !13 |
| %cmp = icmp ne i32 %x, %y, !dbg !14 |
| br i1 %cmp, label %if.then, label %if.else, !dbg !16 |
| |
| if.then: ; preds = %entry |
| %call = tail call i32 (...) @bar() #3, !dbg !17 |
| br label %return, !dbg !18 |
| |
| if.else: ; preds = %entry |
| %call1 = tail call i32 (...) @baz() #3, !dbg !19 |
| br label %return, !dbg !20 |
| |
| return: ; preds = %if.else, %if.then |
| %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ] |
| ret i32 %retval.0, !dbg !21 |
| } |
| |
| declare i32 @bar(...) |
| declare i32 @baz(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!2, !3} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug) |
| !1 = !DIFile(filename: "foo.c", directory: "b/") |
| !2 = !{i32 2, !"Dwarf Version", i32 4} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7, !7, !7} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{!9, !10} |
| !9 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !1, line: 4, type: !7) |
| !10 = !DILocalVariable(name: "y", arg: 2, scope: !4, file: !1, line: 4, type: !7) |
| !11 = !DIExpression() |
| !12 = !DILocation(line: 4, column: 13, scope: !4) |
| !13 = !DILocation(line: 4, column: 20, scope: !4) |
| !14 = !DILocation(line: 5, column: 9, scope: !15) |
| !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 5, column: 7) |
| !16 = !DILocation(line: 5, column: 7, scope: !4) |
| !17 = !DILocation(line: 6, column: 12, scope: !15) |
| !18 = !DILocation(line: 6, column: 5, scope: !15) |
| !19 = !DILocation(line: 8, column: 12, scope: !15) |
| !20 = !DILocation(line: 8, column: 5, scope: !15) |
| !21 = !DILocation(line: 9, column: 1, scope: !4) |