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 propagate inputs to the region into the split PHINode 5; outside of the region if necessary. 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 20dummy: 21 ret void 22first: 23 %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] 24 ret void 25next: 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 %z = mul i32 %c, %c 34 br i1 true, label %test1, label %first 35test1: 36 %e = load i32, ptr %0, align 4 37 %1 = add i32 %c, %c 38 br i1 true, label %first, label %test 39test: 40 %d = load i32, ptr %0, align 4 41 br i1 true, label %first, label %next 42dummy: 43 ret void 44first: 45 %2 = phi i32 [ %d, %test ], [ %e, %test1 ], [ %c, %entry ] 46 ret void 47next: 48 ret void 49} 50; CHECK-LABEL: @function1( 51; CHECK-NEXT: entry: 52; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 4 53; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 54; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 55; CHECK-NEXT: [[Z:%.*]] = add i32 [[C]], [[C]] 56; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[DOTCE_LOC]]) 57; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[DOTCE_LOC]]) 58; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 4 59; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[DOTCE_LOC]]) 60; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[FIRST:%.*]], label [[NEXT:%.*]] 61; CHECK: dummy: 62; CHECK-NEXT: ret void 63; CHECK: first: 64; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ] 65; CHECK-NEXT: ret void 66; CHECK: next: 67; CHECK-NEXT: ret void 68; 69; 70; CHECK-LABEL: @function2( 71; CHECK-NEXT: entry: 72; CHECK-NEXT: [[DOTCE_LOC:%.*]] = alloca i32, align 4 73; CHECK-NEXT: [[TMP0:%.*]] = alloca i32, align 4 74; CHECK-NEXT: [[C:%.*]] = load i32, ptr [[TMP0]], align 4 75; CHECK-NEXT: [[Z:%.*]] = mul i32 [[C]], [[C]] 76; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[DOTCE_LOC]]) 77; CHECK-NEXT: [[TARGETBLOCK:%.*]] = call i1 @outlined_ir_func_0(ptr [[TMP0]], i32 [[C]], ptr [[DOTCE_LOC]]) 78; CHECK-NEXT: [[DOTCE_RELOAD:%.*]] = load i32, ptr [[DOTCE_LOC]], align 4 79; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[DOTCE_LOC]]) 80; CHECK-NEXT: br i1 [[TARGETBLOCK]], label [[FIRST:%.*]], label [[NEXT:%.*]] 81; CHECK: dummy: 82; CHECK-NEXT: ret void 83; CHECK: first: 84; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[DOTCE_RELOAD]], [[ENTRY:%.*]] ] 85; CHECK-NEXT: ret void 86; CHECK: next: 87; CHECK-NEXT: ret void 88; 89; 90; CHECK-LABEL: define internal i1 @outlined_ir_func_0( 91; CHECK-NEXT: newFuncRoot: 92; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]] 93; CHECK: entry_to_outline: 94; CHECK-NEXT: br i1 true, label [[TEST1:%.*]], label [[FIRST_SPLIT:%.*]] 95; CHECK: test1: 96; CHECK-NEXT: [[E:%.*]] = load i32, ptr [[TMP0:%.*]], align 4 97; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1:%.*]], [[TMP1]] 98; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT]], label [[TEST:%.*]] 99; CHECK: test: 100; CHECK-NEXT: [[D:%.*]] = load i32, ptr [[TMP0]], align 4 101; CHECK-NEXT: br i1 true, label [[FIRST_SPLIT]], label [[NEXT_EXITSTUB:%.*]] 102; CHECK: first.split: 103; CHECK-NEXT: [[DOTCE:%.*]] = phi i32 [ [[D]], [[TEST]] ], [ [[E]], [[TEST1]] ], [ [[TMP1]], [[ENTRY_TO_OUTLINE]] ] 104; CHECK-NEXT: br label [[FIRST_EXITSTUB:%.*]] 105; CHECK: first.exitStub: 106; CHECK-NEXT: store i32 [[DOTCE]], ptr [[TMP2:%.*]], align 4 107; CHECK-NEXT: ret i1 true 108; CHECK: next.exitStub: 109; CHECK-NEXT: ret i1 false 110; 111