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 differentiate between outputs of the region stored in PHINodes 5; versus those stored outside of PHINodes. 6 7define void @function1(ptr %a, ptr %b) { 8entry: 9 %0 = alloca i32, align 4 10 %c = load i32, ptr %0, align 4 11 br label %test1 12test1: 13 %e = load i32, ptr %0, align 4 14 br i1 true, label %first, label %test 15test: 16 %d = load i32, ptr %0, align 4 17 br i1 true, label %first, label %next 18first: 19 %1 = phi i32 [ %c, %test ], [ %e, %test1 ] 20 ret void 21next: 22 ret void 23} 24 25define void @function2(ptr %a, ptr %b) { 26entry: 27 %0 = alloca i32, align 4 28 %c = load i32, ptr %0, align 4 29 br label %test1 30test1: 31 %e = load i32, ptr %0, align 4 32 br i1 true, label %first, label %test 33test: 34 %d = load i32, ptr %0, align 4 35 br i1 true, label %first, label %next 36first: 37 ret void 38next: 39 %1 = add i32 %c, 1 40 %2 = add i32 %e, 1 41 ret void 42} 43; CHECK-LABEL: @function1( 44; CHECK-NEXT: entry: 45; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 4 46; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 47; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[DOTCE_LOC]]) 48; CHECK-NEXT: [[TMP1:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], ptr [[DOTCE_LOC]], ptr null, i32 0) 49; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 4 50; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[DOTCE_LOC]]) 51; CHECK-NEXT: br i1 [[TMP1]], label [[FIRST:%.*]], label [[NEXT:%.*]] 52; CHECK: first: 53; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ] 54; CHECK-NEXT: ret void 55; CHECK: next: 56; CHECK-NEXT: ret void 57; 58; 59; CHECK-LABEL: @function2( 60; CHECK-NEXT: entry: 61; CHECK-NEXT: [[E_LOC:%.*]] = alloca i32, align 4 62; CHECK-NEXT: [[C_LOC:%.*]] = alloca i32, align 4 63; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 64; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[C_LOC]]) 65; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[E_LOC]]) 66; CHECK-NEXT: [[TMP1:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], ptr [[C_LOC]], ptr [[E_LOC]], i32 1) 67; CHECK-NEXT: [[C_RELOAD:%.*]] = load i32, ptr [[C_LOC]], align 4 68; CHECK-NEXT: [[E_RELOAD:%.*]] = load i32, ptr [[E_LOC]], align 4 69; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[C_LOC]]) 70; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[E_LOC]]) 71; CHECK-NEXT: br i1 [[TMP1]], label [[FIRST:%.*]], label [[NEXT:%.*]] 72; CHECK: first: 73; CHECK-NEXT: ret void 74; CHECK: next: 75; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[C_RELOAD]], 1 76; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[E_RELOAD]], 1 77; CHECK-NEXT: ret void 78; 79; 80; CHECK-LABEL: define internal i1 @outlined_ir_func_0( 81; CHECK-NEXT: newFuncRoot: 82; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]] 83; CHECK: entry_to_outline: 84; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0:%.*]], align 4 85; CHECK-NEXT: br label [[TEST1:%.*]] 86; CHECK: test1: 87; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0]], align 4 88; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT:%.*]], label [[TEST:%.*]] 89; CHECK: test: 90; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4 91; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT]], label [[NEXT_EXITSTUB:%.*]] 92; CHECK: first.split: 93; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[C]], [[TEST]] ], [ [[E]], [[TEST1]] ] 94; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]] 95; CHECK: first.exitStub: 96; CHECK-NEXT: switch i32 [[TMP3:%.*]], label [[FINAL_BLOCK_1:%.*]] [ 97; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_1:%.*]] 98; CHECK-NEXT: i32 1, label [[OUTPUT_BLOCK_1_1:%.*]] 99; CHECK-NEXT: ] 100; CHECK: next.exitStub: 101; CHECK-NEXT: switch i32 [[TMP3]], label [[FINAL_BLOCK_0:%.*]] [ 102; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_1_0:%.*]] 103; CHECK-NEXT: ] 104; CHECK: output_block_0_1: 105; CHECK-NEXT: store i32 [[DOTCE]], ptr [[TMP1:%.*]], align 4 106; CHECK-NEXT: br label [[FINAL_BLOCK_1]] 107; CHECK: output_block_1_0: 108; CHECK-NEXT: store i32 [[C]], ptr [[TMP1]], align 4 109; CHECK-NEXT: store i32 [[E]], ptr [[TMP2:%.*]], align 4 110; CHECK-NEXT: br label [[FINAL_BLOCK_0]] 111; CHECK: output_block_1_1: 112; CHECK-NEXT: store i32 [[C]], ptr [[TMP1]], align 4 113; CHECK-NEXT: store i32 [[E]], ptr [[TMP2]], align 4 114; CHECK-NEXT: br label [[FINAL_BLOCK_1]] 115; CHECK: final_block_0: 116; CHECK-NEXT: ret i1 false 117; CHECK: final_block_1: 118; CHECK-NEXT: ret i1 true 119; 120