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 beginning 5; block are included not 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 %y = add i32 %c, %c 12 br label %test1 13dummy: 14 ret void 15test1: 16 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] 17 %2 = phi i32 [ %e, %test1 ], [ %y, %entry ] 18 %e = load i32, ptr %0, align 4 19 %3 = add i32 %c, %c 20 %4 = sub i32 %c, %c 21 br i1 true, label %first, label %test1 22first: 23 ret void 24} 25 26define void @function2(ptr %a, ptr %b) { 27entry: 28 %0 = alloca i32, align 4 29 %c = load i32, ptr %0, align 4 30 %y = mul i32 %c, %c 31 br label %test1 32dummy: 33 ret void 34test1: 35 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] 36 %2 = phi i32 [ %y, %entry ], [ %e, %test1 ] 37 %e = load i32, ptr %0, align 4 38 %3 = add i32 %c, %c 39 %4 = mul i32 %c, %c 40 br i1 true, label %first, label %test1 41first: 42 ret void 43} 44; CHECK-LABEL: @function1( 45; CHECK-NEXT: entry: 46; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 47; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 48; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 49; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]] 50; CHECK-NEXT: br label [[TEST1:%.*]] 51; CHECK: dummy: 52; CHECK-NEXT: ret void 53; CHECK: test1: 54; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] 55; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[E_RELOAD]], [[TEST1]] ], [ [[Y]], [[ENTRY]] ] 56; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]]) 57; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]]) 58; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4 59; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]]) 60; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[C]], [[C]] 61; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]] 62; CHECK: first: 63; CHECK-NEXT: ret void 64; 65; 66; CHECK-LABEL: @function2( 67; CHECK-NEXT: entry: 68; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 69; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 70; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 71; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]] 72; CHECK-NEXT: br label [[TEST1:%.*]] 73; CHECK: dummy: 74; CHECK-NEXT: ret void 75; CHECK: test1: 76; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] 77; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[Y]], [[ENTRY]] ], [ [[E_RELOAD]], [[TEST1]] ] 78; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]]) 79; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]]) 80; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4 81; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]]) 82; CHECK-NEXT: [[TMP3:%.*]] = mul i32 [[C]], [[C]] 83; CHECK-NEXT: br i1 true, label [[FIRST:%.*]], label [[TEST1]] 84; CHECK: first: 85; CHECK-NEXT: ret void 86; 87; 88; CHECK-LABEL: define internal void @outlined_ir_func_0( 89; CHECK-NEXT: newFuncRoot: 90; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]] 91; CHECK: test1_to_outline: 92; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0:%.*]], align 4 93; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]] 94; CHECK-NEXT: br label [[TEST1_AFTER_OUTLINE_EXITSTUB:%.*]] 95; CHECK: test1_after_outline.exitStub: 96; CHECK-NEXT: store i32 [[E]], ptr [[TMP2:%.*]], align 4 97; CHECK-NEXT: ret void 98; 99