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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals smart2;; Tests that when InstCombine sets a DILocation on the new instruction when it3;; is created, we do not try to overwrite that DILocation when we later insert4;; the new instruction.5;; In this test, InstCombine replaces two loads joined by a PHI into a PHI of6;; the addresses followed by a load, and gives the new load a merge of the two7;; incoming load DILocations. This test verifies that the new load keeps that8;; DILocation, and doesn't have it overwritten by the DILocation of the original9;; PHI. It will, however, receive the !annotation attached to the original PHI.10; RUN: opt < %s -passes=instcombine -S | FileCheck %s11 12define void @test(ptr %xfA, ptr %xfB, i1 %cmp5) {13; CHECK-LABEL: @test(14; CHECK-NEXT: entry:15; CHECK-NEXT: br i1 [[CMP5:%.*]], label [[IF_ELSE:%.*]], label [[IF_THEN6:%.*]]16; CHECK: if.then6:17; CHECK-NEXT: br label [[IF_END11:%.*]]18; CHECK: if.else:19; CHECK-NEXT: br label [[IF_END11]]20; CHECK: if.end11:21; CHECK-NEXT: [[XFA_PN:%.*]] = phi ptr [ [[XFA:%.*]], [[IF_ELSE]] ], [ [[XFB:%.*]], [[IF_THEN6]] ]22; CHECK-NEXT: [[XF1_SROA_8_0_IN:%.*]] = getelementptr i8, ptr [[XFA_PN]], i64 423; CHECK-NEXT: [[XF1_SROA_8_0:%.*]] = load float, ptr [[XF1_SROA_8_0_IN]], align 4, !dbg [[DBG3:![0-9]+]], !annotation [[META7:![0-9]+]]24; CHECK-NEXT: [[CMP_I:%.*]] = fcmp ugt float [[XF1_SROA_8_0]], 0.000000e+0025; CHECK-NEXT: br i1 [[CMP_I]], label [[IF_END_I:%.*]], label [[IF_THEN_I:%.*]]26; CHECK: if.then.i:27; CHECK-NEXT: br label [[IF_END_I]]28; CHECK: if.end.i:29; CHECK-NEXT: ret void30;31entry:32 br i1 %cmp5, label %if.else, label %if.then633 34if.then6: ; preds = %entry35 %xf1.sroa.8.0.xfB.sroa_idx = getelementptr i8, ptr %xfB, i64 436 %xf1.sroa.8.0.copyload = load float, ptr %xf1.sroa.8.0.xfB.sroa_idx, align 4, !dbg !337 br label %if.end1138 39if.else: ; preds = %entry40 %xf1.sroa.8.0.xfA.sroa_idx = getelementptr i8, ptr %xfA, i64 441 %xf1.sroa.8.0.copyload494 = load float, ptr %xf1.sroa.8.0.xfA.sroa_idx, align 4, !dbg !742 br label %if.end1143 44if.end11: ; preds = %if.else, %if.then645 %xf1.sroa.8.0 = phi float [ %xf1.sroa.8.0.copyload494, %if.else ], [ %xf1.sroa.8.0.copyload, %if.then6 ], !dbg !8, !annotation !946 %cmp.i = fcmp ugt float %xf1.sroa.8.0, 0.000000e+0047 br i1 %cmp.i, label %if.end.i, label %if.then.i48 49if.then.i: ; preds = %if.end1150 br label %if.end.i51 52if.end.i: ; preds = %if.then.i, %if.end1153 ret void54}55 56!llvm.dbg.cu = !{!0}57!llvm.module.flags = !{!2}58 59!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 20.0.0git", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)60!1 = !DIFile(filename: "test.cpp", directory: "/tmp")61!2 = !{i32 2, !"Debug Info Version", i32 3}62!3 = !DILocation(line: 13, column: 12, scope: !4)63!4 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN11btMatrix3x3aSERKS_", scope: null, file: !1, line: 61, type: !5, scopeLine: 62, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !6)64!5 = distinct !DISubroutineType(types: !6)65!6 = !{}66!7 = !DILocation(line: 13, column: 15, scope: !4)67!8 = !DILocation(line: 100, scope: !4)68!9 = !{!"Test String"}69;.70; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)71; CHECK: [[META1]] = !DIFile(filename: "test.cpp", directory: {{.*}})72; CHECK: [[DBG3]] = !DILocation(line: 13, scope: [[META4:![0-9]+]])73; CHECK: [[META4]] = distinct !DISubprogram(name: "operator=", linkageName: "_ZN11btMatrix3x3aSERKS_", scope: null, file: [[META1]], line: 61, type: [[META5:![0-9]+]], scopeLine: 62, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META6:![0-9]+]])74; CHECK: [[META5]] = distinct !DISubroutineType(types: [[META6]])75; CHECK: [[META6]] = !{}76; CHECK: [[META7]] = !{!"Test String"}77;.78