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 are able to outline when all of the phi nodes in the starting 5; block are included in the region and there is no more than one predecessor 6; into those phi nodes from outside of the region. 7 8define void @function1(ptr %a, ptr %b) { 9entry: 10 %0 = alloca i32, align 4 11 %c = load i32, ptr %0, align 4 12 %y = add i32 %c, %c 13 br label %test1 14dummy: 15 ret void 16test1: 17 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] 18 %2 = phi i32 [ %e, %test1 ], [ %y, %entry ] 19 %e = load i32, ptr %0, align 4 20 %3 = add i32 %c, %c 21 br i1 true, label %test, label %test1 22test: 23 %d = load i32, ptr %0, align 4 24 br label %first 25first: 26 ret void 27} 28 29define void @function2(ptr %a, ptr %b) { 30entry: 31 %0 = alloca i32, align 4 32 %c = load i32, ptr %0, align 4 33 %y = mul i32 %c, %c 34 br label %test1 35dummy: 36 ret void 37test1: 38 %1 = phi i32 [ %e, %test1 ], [ %y, %entry ] 39 %2 = phi i32 [ %e, %test1 ], [ %y, %entry ] 40 %e = load i32, ptr %0, align 4 41 %3 = add i32 %c, %c 42 br i1 true, label %test, label %test1 43test: 44 %d = load i32, ptr %0, align 4 45 br label %first 46first: 47 ret void 48} 49; CHECK-LABEL: @function1( 50; CHECK-NEXT: entry: 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: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]]) 59; CHECK-NEXT: br label [[FIRST:%.*]] 60; CHECK: first: 61; CHECK-NEXT: ret void 62; 63; 64; CHECK-LABEL: @function2( 65; CHECK-NEXT: entry: 66; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 67; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 68; CHECK-NEXT: [[Y:%.*]] = mul i32 [[C]], [[C]] 69; CHECK-NEXT: br label [[TEST1:%.*]] 70; CHECK: dummy: 71; CHECK-NEXT: ret void 72; CHECK: test1: 73; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[Y]], ptr [[TMP0]], i32 [[C]]) 74; CHECK-NEXT: br label [[FIRST:%.*]] 75; CHECK: first: 76; CHECK-NEXT: ret void 77; 78; 79; CHECK: define internal void @outlined_ir_func_0( 80; CHECK-NEXT: newFuncRoot: 81; CHECK-NEXT: br label [[TEST1_TO_OUTLINE:%.*]] 82; CHECK: test1_to_outline: 83; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ [[E:%.*]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0:%.*]], [[NEWFUNCROOT:%.*]] ] 84; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ [[E]], [[TEST1_TO_OUTLINE]] ], [ [[TMP0]], [[NEWFUNCROOT]] ] 85; CHECK-NEXT: [[E]] = load i32, ptr [[TMP1:%.*]], align 4 86; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP2:%.*]], [[TMP2]] 87; CHECK-NEXT: br i1 true, label [[TEST:%.*]], label [[TEST1_TO_OUTLINE]] 88; CHECK: test: 89; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP1]], align 4 90; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]] 91; CHECK: first.exitStub: 92; CHECK-NEXT: ret void 93; 94