1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs 2; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s 3 4; Show that we do not outline when all of the phi nodes in the end 5; block are not included in the region. 6 7define void @function1(ptr %a, ptr %b) { 8entry: 9 %0 = alloca i32, align 4 10 %c = load i32, ptr %0, align 4 11 %z = add i32 %c, %c 12 br i1 true, label %test1, label %first 13test1: 14 %e = load i32, ptr %0, align 4 15 %1 = add i32 %c, %c 16 br i1 true, label %first, label %test 17test: 18 %d = load i32, ptr %0, align 4 19 br i1 true, label %first, label %next 20first: 21 %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] 22 %3 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] 23 ret void 24next: 25 ret void 26} 27 28define void @function2(ptr %a, ptr %b) { 29entry: 30 %0 = alloca i32, align 4 31 %c = load i32, ptr %0, align 4 32 %z = mul i32 %c, %c 33 br i1 true, label %test1, label %first 34test1: 35 %e = load i32, ptr %0, align 4 36 %1 = add i32 %c, %c 37 br i1 true, label %first, label %test 38test: 39 %d = load i32, ptr %0, align 4 40 br i1 true, label %first, label %next 41first: 42 %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] 43 %3 = phi i32 [ %d, %test ], [ %c, %entry ], [ %e, %test1 ] 44 ret void 45next: 46 ret void 47} 48; CHECK-LABEL: @function1( 49; CHECK-NEXT: entry: 50; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 51; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 52; CHECK-NEXT: [[Z:%.*]] = add i32 [[C]], [[C]] 53; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST:%.*]] 54; CHECK: test1: 55; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0]], align 4 56; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[C]], [[C]] 57; CHECK-NEXT: br i1 true, label [[FIRST]], label [[TEST:%.*]] 58; CHECK: test: 59; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4 60; CHECK-NEXT: br i1 true, label [[FIRST]], label [[NEXT:%.*]] 61; CHECK: first: 62; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY:%.*]] ] 63; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY]] ] 64; CHECK-NEXT: ret void 65; CHECK: next: 66; CHECK-NEXT: ret void 67; 68; 69; CHECK-LABEL: @function2( 70; CHECK-NEXT: entry: 71; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 72; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 73; CHECK-NEXT: [[Z:%.*]] = mul i32 [[C]], [[C]] 74; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST:%.*]] 75; CHECK: test1: 76; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0]], align 4 77; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[C]], [[C]] 78; CHECK-NEXT: br i1 true, label [[FIRST]], label [[TEST:%.*]] 79; CHECK: test: 80; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4 81; CHECK-NEXT: br i1 true, label [[FIRST]], label [[NEXT:%.*]] 82; CHECK: first: 83; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[C]], [[ENTRY:%.*]] ] 84; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[C]], [[ENTRY]] ], [ [[E]], [[TEST1]] ] 85; CHECK-NEXT: ret void 86; CHECK: next: 87; CHECK-NEXT: ret void 88; 89