1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2; RUN: opt -S -verify-memoryssa -passes=loop-sink < %s | FileCheck %s 3; Make sure that we handle PHI-uses correctly during loop sink if the most profitable sink 4; destination also has a PHI of another use. 5 6%struct.blam = type { %struct.blam.0, [32 x i8] } 7%struct.blam.0 = type { ptr, i64 } 8 9define internal void @wibble() !prof !0 { 10; CHECK-LABEL: define internal void @wibble 11; CHECK-SAME: () !prof [[PROF0:![0-9]+]] { 12; CHECK-NEXT: bb: 13; CHECK-NEXT: br label [[BB1:%.*]] 14; CHECK: bb1: 15; CHECK-NEXT: br i1 false, label [[BB2:%.*]], label [[BB3:%.*]] 16; CHECK: bb2: 17; CHECK-NEXT: ret void 18; CHECK: bb3: 19; CHECK-NEXT: switch i32 0, label [[BB5:%.*]] [ 20; CHECK-NEXT: i32 1, label [[BB4:%.*]] 21; CHECK-NEXT: i32 0, label [[BB1]] 22; CHECK-NEXT: ], !prof [[PROF1:![0-9]+]] 23; CHECK: bb4: 24; CHECK-NEXT: br i1 false, label [[BB3]], label [[BB6:%.*]] 25; CHECK: bb5: 26; CHECK-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr [[STRUCT_BLAM:%.*]], ptr null, i64 0, i32 1 27; CHECK-NEXT: br i1 false, label [[BB6]], label [[BB7:%.*]] 28; CHECK: bb6: 29; CHECK-NEXT: br label [[BB7]] 30; CHECK: bb7: 31; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ null, [[BB6]] ], [ [[GETELEMENTPTR]], [[BB5]] ] 32; CHECK-NEXT: [[GETELEMENTPTR1:%.*]] = getelementptr [[STRUCT_BLAM]], ptr null, i64 0, i32 1 33; CHECK-NEXT: store ptr [[GETELEMENTPTR1]], ptr null, align 8 34; CHECK-NEXT: br label [[BB1]] 35; 36bb: 37 %getelementptr = getelementptr %struct.blam, ptr null, i64 0, i32 1 38 br label %bb1 39 40bb1: ; preds = %bb7, %bb3, %bb 41 br i1 false, label %bb2, label %bb3 42 43bb2: ; preds = %bb1 44 ret void 45 46bb3: ; preds = %bb4, %bb1 47 switch i32 0, label %bb5 [ 48 i32 1, label %bb4 49 i32 0, label %bb1 50 ], !prof !1 51 52bb4: ; preds = %bb3 53 br i1 false, label %bb3, label %bb6 54 55bb5: ; preds = %bb3 56 br i1 false, label %bb6, label %bb7 57 58bb6: ; preds = %bb5, %bb4 59 br label %bb7 60 61bb7: ; preds = %bb6, %bb5 62 %phi = phi ptr [ null, %bb6 ], [ %getelementptr, %bb5 ] 63 store ptr %getelementptr, ptr null, align 8 64 br label %bb1 65} 66 67!0 = !{!"function_entry_count", i64 1} 68!1 = !{!"branch_weights", i32 1, i32 188894, i32 287400} 69