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 br i1 true, label %test, label %test1 21test: 22 %d = load i32, ptr %0, align 4 23 br label %first 24first: 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 %y = mul i32 %c, %c 33 br label %test1 34dummy: 35 ret void 36test1: 37 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] 38 %2 = phi i32 [ %y, %entry ], [ %e, %test1 ] 39 %e = load i32, ptr %0, align 4 40 %3 = add i32 %c, %c 41 br i1 true, label %test, label %test1 42test: 43 %d = load i32, ptr %0, align 4 44 br label %first 45first: 46 ret void 47} 48; CHECK-LABEL: @function1( 49; CHECK-NEXT: entry: 50; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 51; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 52; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 53; CHECK-NEXT: [[Y:%.*]] = add i32 [[C]], [[C]] 54; CHECK-NEXT: br label [[TEST1:%.*]] 55; CHECK: dummy: 56; CHECK-NEXT: ret void 57; CHECK: test1: 58; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] 59; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[E_RELOAD]], [[TEST1]] ], [ [[Y]], [[ENTRY]] ] 60; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]]) 61; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]]) 62; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4 63; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]]) 64; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[TEST1]], label [[FIRST:%.*]] 65; CHECK: first: 66; CHECK-NEXT: ret void 67; 68; 69; CHECK-LABEL: @function2( 70; CHECK-NEXT: entry: 71; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 72; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 73; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 74; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]] 75; CHECK-NEXT: br label [[TEST1:%.*]] 76; CHECK: dummy: 77; CHECK-NEXT: ret void 78; CHECK: test1: 79; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[E_RELOAD:%.*]], [[TEST1]] ], [ [[Y]], [[ENTRY:%.*]] ] 80; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[Y]], [[ENTRY]] ], [ [[E_RELOAD]], [[TEST1]] ] 81; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]]) 82; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[E_LOC]]) 83; CHECK-NEXT: [[E_RELOAD]] = load i32, ptr [[E_LOC]], align 4 84; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]]) 85; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[TEST1]], label [[FIRST:%.*]] 86; CHECK: first: 87; CHECK-NEXT: ret void 88; 89; 90; CHECK: define internal i1 @outlined_ir_func_0( 91; CHECK-NEXT: newFuncRoot: 92; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]] 93; CHECK: test1_to_outline: 94; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0:%.*]], align 4 95; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]] 96; CHECK-NEXT: br i1 true, label [[TEST:%.*]], label [[TEST1_EXITSTUB:%.*]] 97; CHECK: test: 98; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4 99; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]] 100; CHECK: test1.exitStub: 101; CHECK-NEXT: store i32 [[E]], ptr [[TMP2:%.*]], align 4 102; CHECK-NEXT: ret i1 true 103; CHECK: first.exitStub: 104; CHECK-NEXT: store i32 [[E]], ptr [[TMP2]], align 4 105; CHECK-NEXT: ret i1 false 106; 107