; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 ; RUN: opt -S -verify-memoryssa -passes=loop-sink < %s | FileCheck %s ; Make sure that we handle PHI-uses correctly during loop sink if the most profitable sink ; destination also has a PHI of another use. %struct.blam = type { %struct.blam.0, [32 x i8] } %struct.blam.0 = type { ptr, i64 } define internal void @wibble() !prof !0 { ; CHECK-LABEL: define internal void @wibble ; CHECK-SAME: () !prof [[PROF0:![0-9]+]] { ; CHECK-NEXT: bb: ; CHECK-NEXT: br label [[BB1:%.*]] ; CHECK: bb1: ; CHECK-NEXT: br i1 false, label [[BB2:%.*]], label [[BB3:%.*]] ; CHECK: bb2: ; CHECK-NEXT: ret void ; CHECK: bb3: ; CHECK-NEXT: switch i32 0, label [[BB5:%.*]] [ ; CHECK-NEXT: i32 1, label [[BB4:%.*]] ; CHECK-NEXT: i32 0, label [[BB1]] ; CHECK-NEXT: ], !prof [[PROF1:![0-9]+]] ; CHECK: bb4: ; CHECK-NEXT: br i1 false, label [[BB3]], label [[BB6:%.*]] ; CHECK: bb5: ; CHECK-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr [[STRUCT_BLAM:%.*]], ptr null, i64 0, i32 1 ; CHECK-NEXT: br i1 false, label [[BB6]], label [[BB7:%.*]] ; CHECK: bb6: ; CHECK-NEXT: br label [[BB7]] ; CHECK: bb7: ; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ null, [[BB6]] ], [ [[GETELEMENTPTR]], [[BB5]] ] ; CHECK-NEXT: [[GETELEMENTPTR1:%.*]] = getelementptr [[STRUCT_BLAM]], ptr null, i64 0, i32 1 ; CHECK-NEXT: store ptr [[GETELEMENTPTR1]], ptr null, align 8 ; CHECK-NEXT: br label [[BB1]] ; bb: %getelementptr = getelementptr %struct.blam, ptr null, i64 0, i32 1 br label %bb1 bb1: ; preds = %bb7, %bb3, %bb br i1 false, label %bb2, label %bb3 bb2: ; preds = %bb1 ret void bb3: ; preds = %bb4, %bb1 switch i32 0, label %bb5 [ i32 1, label %bb4 i32 0, label %bb1 ], !prof !1 bb4: ; preds = %bb3 br i1 false, label %bb3, label %bb6 bb5: ; preds = %bb3 br i1 false, label %bb6, label %bb7 bb6: ; preds = %bb5, %bb4 br label %bb7 bb7: ; preds = %bb6, %bb5 %phi = phi ptr [ null, %bb6 ], [ %getelementptr, %bb5 ] store ptr %getelementptr, ptr null, align 8 br label %bb1 } !0 = !{!"function_entry_count", i64 1} !1 = !{!"branch_weights", i32 1, i32 188894, i32 287400}