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; A PHINode defines the global value number of a split phi node for 5; an exit paths based on the canonical number for the incoming values, and 6; the canonical number for the basic block. This checks that we accurately 7; capture a different numbering for the same incoming value but with different 8; blocks. 9 10define void @func1(i32 %0, i32 %1) local_unnamed_addr #0 { 11bb1: 12 br label %bb5 13 14bb2: 15 %a = add i32 %0, %1 16 %b = add i32 %0, %1 17 %c = icmp eq i32 %b, 1 18 br i1 %c, label %bb5, label %bb3 19 20bb3: 21 %d = add i32 %0, %1 22 br label %bb5 23 24bb4: 25 %e = sub i32 %0, %1 26 br label %bb2 27 28bb5: 29 %f = phi i32 [ 0, %bb1 ], [ 1, %bb2 ], [ 1, %bb3 ] 30 ret void 31} 32 33define void @func2(i32 %0, i32 %1) local_unnamed_addr #0 { 34bb1: 35 br label %bb5 36 37bb2: 38 %a = sub i32 %0, %1 39 %b = add i32 %0, %1 40 %c = icmp eq i32 %b, 1 41 br i1 %c, label %bb5, label %bb3 42 43bb3: 44 %d = add i32 %0, %1 45 br label %bb5 46 47bb4: 48 %e = add i32 %0, %1 49 br label %bb2 50 51bb5: 52 %f = phi i32 [ 0, %bb1 ], [ 1, %bb3 ], [ 1, %bb2 ] 53 ret void 54} 55; CHECK-LABEL: @func1( 56; CHECK-NEXT: bb1: 57; CHECK-NEXT: [[F_CE_LOC:%.*]] = alloca i32, align 4 58; CHECK-NEXT: br label [[BB5:%.*]] 59; CHECK: bb2: 60; CHECK-NEXT: [[A:%.*]] = add i32 [[TMP0:%.*]], [[TMP1:%.*]] 61; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[F_CE_LOC]]) 62; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[TMP0]], i32 [[TMP1]], ptr [[F_CE_LOC]], i32 0) 63; CHECK-NEXT: [[F_CE_RELOAD:%.*]] = load i32, ptr [[F_CE_LOC]], align 4 64; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[F_CE_LOC]]) 65; CHECK-NEXT: br label [[BB5]] 66; CHECK: bb4: 67; CHECK-NEXT: [[E:%.*]] = sub i32 [[TMP0]], [[TMP1]] 68; CHECK-NEXT: br label [[BB2:%.*]] 69; CHECK: bb5: 70; CHECK-NEXT: [[F:%.*]] = phi i32 [ 0, [[BB1:%.*]] ], [ [[F_CE_RELOAD]], [[BB2]] ] 71; CHECK-NEXT: ret void 72; 73; 74; CHECK-LABEL: @func2( 75; CHECK-NEXT: bb1: 76; CHECK-NEXT: [[F_CE_LOC:%.*]] = alloca i32, align 4 77; CHECK-NEXT: br label [[BB5:%.*]] 78; CHECK: bb2: 79; CHECK-NEXT: [[A:%.*]] = sub i32 [[TMP0:%.*]], [[TMP1:%.*]] 80; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[F_CE_LOC]]) 81; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[TMP0]], i32 [[TMP1]], ptr [[F_CE_LOC]], i32 1) 82; CHECK-NEXT: [[F_CE_RELOAD:%.*]] = load i32, ptr [[F_CE_LOC]], align 4 83; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[F_CE_LOC]]) 84; CHECK-NEXT: br label [[BB5]] 85; CHECK: bb4: 86; CHECK-NEXT: [[E:%.*]] = add i32 [[TMP0]], [[TMP1]] 87; CHECK-NEXT: br label [[BB2:%.*]] 88; CHECK: bb5: 89; CHECK-NEXT: [[F:%.*]] = phi i32 [ 0, [[BB1:%.*]] ], [ [[F_CE_RELOAD]], [[BB2]] ] 90; CHECK-NEXT: ret void 91; 92; 93; CHECK-LABEL: define internal void @outlined_ir_func_0( 94; CHECK-NEXT: newFuncRoot: 95; CHECK-NEXT: br label [[BB2_TO_OUTLINE:%.*]] 96; CHECK: bb2_to_outline: 97; CHECK-NEXT: [[B:%.*]] = add i32 [[TMP0:%.*]], [[TMP1:%.*]] 98; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[B]], 1 99; CHECK-NEXT: br i1 [[C]], label [[BB5_SPLIT:%.*]], label [[BB3:%.*]] 100; CHECK: bb3: 101; CHECK-NEXT: [[D:%.*]] = add i32 [[TMP0]], [[TMP1]] 102; CHECK-NEXT: br label [[BB5_SPLIT]] 103; CHECK: bb5.split: 104; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ 1, [[BB3]] ], [ 1, [[BB2_TO_OUTLINE]] ] 105; CHECK-NEXT: [[F_CE:%.*]] = phi i32 [ 1, [[BB2_TO_OUTLINE]] ], [ 1, [[BB3]] ] 106; CHECK-NEXT: br label [[BB5_EXITSTUB:%.*]] 107; CHECK: bb5.exitStub: 108; CHECK-NEXT: switch i32 [[TMP3:%.*]], label [[FINAL_BLOCK_0:%.*]] [ 109; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_0:%.*]] 110; CHECK-NEXT: i32 1, label [[OUTPUT_BLOCK_1_0:%.*]] 111; CHECK-NEXT: ] 112; CHECK: output_block_0_0: 113; CHECK-NEXT: store i32 [[F_CE]], ptr [[TMP2:%.*]], align 4 114; CHECK-NEXT: br label [[FINAL_BLOCK_0]] 115; CHECK: output_block_1_0: 116; CHECK-NEXT: store i32 [[TMP4]], ptr [[TMP2]], align 4 117; CHECK-NEXT: br label [[FINAL_BLOCK_0]] 118; CHECK: final_block_0: 119; CHECK-NEXT: ret void 120; 121