1e38f014cSAndrew Litteken; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs 2*9dd9575cSRoman Lebedev; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s 3e38f014cSAndrew Litteken 4e38f014cSAndrew Litteken; When the an outlined section contains a PHINode no incoming blocks outside 5e38f014cSAndrew Litteken; the region, we need to make sure that we do not try to reassign 6e38f014cSAndrew Litteken; the incoming blocks when splitting and reattaching the region. 7e38f014cSAndrew Litteken 8e38f014cSAndrew Littekendefine void @fn1() local_unnamed_addr #0 { 9e38f014cSAndrew Littekenentry: 10e38f014cSAndrew Litteken br label %block_2 11e38f014cSAndrew Litteken 12e38f014cSAndrew Littekenblock_1: 13e38f014cSAndrew Litteken %a = phi i32 [ 0, %block_2], [ 1, %intermediate_block_1 ] 14e38f014cSAndrew Litteken br i1 0, label %block_3, label %block_2 15e38f014cSAndrew Littekenintermediate_block_1: 16e38f014cSAndrew Litteken br label %block_1 17e38f014cSAndrew Littekenblock_2: 18e38f014cSAndrew Litteken br i1 0, label %block_3, label %block_1 19e38f014cSAndrew Litteken 20e38f014cSAndrew Littekenblock_3: 21e38f014cSAndrew Litteken %b = phi i32 [ 0, %block_2 ], [ 1, %block_1 ] 22e38f014cSAndrew Litteken br label %block_5 23e38f014cSAndrew Litteken 24e38f014cSAndrew Littekenblock_4: 25e38f014cSAndrew Litteken %c = phi i32 [ 0, %block_5 ], [ 1, %intermediate_block_2 ] 26e38f014cSAndrew Litteken br i1 0, label %block_6, label %block_5 27e38f014cSAndrew Littekenintermediate_block_2: 28e38f014cSAndrew Litteken br label %block_4 29e38f014cSAndrew Littekenblock_5: 30e38f014cSAndrew Litteken br i1 0, label %block_6, label %block_4 31e38f014cSAndrew Litteken 32e38f014cSAndrew Littekenblock_6: 33e38f014cSAndrew Litteken unreachable 34e38f014cSAndrew Litteken} 35e38f014cSAndrew Litteken; CHECK-LABEL: @fn1( 36e38f014cSAndrew Litteken; CHECK-NEXT: entry: 37e38f014cSAndrew Litteken; CHECK-NEXT: [[B_CE_LOC:%.*]] = alloca i32, align 4 3841d5033eSNikita Popov; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 -1, ptr [[B_CE_LOC]]) 3941d5033eSNikita Popov; CHECK-NEXT: call void @outlined_ir_func_0(ptr [[B_CE_LOC]], i32 0) 4041d5033eSNikita Popov; CHECK-NEXT: [[B_CE_RELOAD:%.*]] = load i32, ptr [[B_CE_LOC]], align 4 4141d5033eSNikita Popov; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 -1, ptr [[B_CE_LOC]]) 42e38f014cSAndrew Litteken; CHECK-NEXT: br label [[BLOCK_3:%.*]] 43e38f014cSAndrew Litteken; CHECK: block_3: 44e38f014cSAndrew Litteken; CHECK-NEXT: [[B:%.*]] = phi i32 [ [[B_CE_RELOAD]], [[ENTRY:%.*]] ] 4541d5033eSNikita Popov; CHECK-NEXT: call void @outlined_ir_func_0(ptr null, i32 -1) 46e38f014cSAndrew Litteken; CHECK-NEXT: br label [[BLOCK_6:%.*]] 47e38f014cSAndrew Litteken; CHECK: block_6: 48e38f014cSAndrew Litteken; CHECK-NEXT: unreachable 49e38f014cSAndrew Litteken; 50e38f014cSAndrew Litteken; 51e38f014cSAndrew Litteken; CHECK-LABEL: define internal void @outlined_ir_func_0( 52e38f014cSAndrew Litteken; CHECK-NEXT: newFuncRoot: 53e38f014cSAndrew Litteken; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]] 54e38f014cSAndrew Litteken; CHECK: entry_to_outline: 55e38f014cSAndrew Litteken; CHECK-NEXT: br label [[BLOCK_2:%.*]] 56e38f014cSAndrew Litteken; CHECK: block_1: 57e38f014cSAndrew Litteken; CHECK-NEXT: [[A:%.*]] = phi i32 [ 0, [[BLOCK_2]] ], [ 1, [[INTERMEDIATE_BLOCK_1:%.*]] ] 58e38f014cSAndrew Litteken; CHECK-NEXT: br i1 false, label [[BLOCK_3_SPLIT:%.*]], label [[BLOCK_2]] 59e38f014cSAndrew Litteken; CHECK: intermediate_block_1: 60e38f014cSAndrew Litteken; CHECK-NEXT: br label [[BLOCK_1:%.*]] 61e38f014cSAndrew Litteken; CHECK: block_2: 62e38f014cSAndrew Litteken; CHECK-NEXT: br i1 false, label [[BLOCK_3_SPLIT]], label [[BLOCK_1]] 63e38f014cSAndrew Litteken; CHECK: block_3.split: 64e38f014cSAndrew Litteken; CHECK-NEXT: [[B_CE:%.*]] = phi i32 [ 0, [[BLOCK_2]] ], [ 1, [[BLOCK_1]] ] 65e38f014cSAndrew Litteken; CHECK-NEXT: br label [[BLOCK_3_EXITSTUB:%.*]] 66e38f014cSAndrew Litteken; CHECK: block_3.exitStub: 67e38f014cSAndrew Litteken; CHECK-NEXT: switch i32 [[TMP1:%.*]], label [[FINAL_BLOCK_0:%.*]] [ 68e38f014cSAndrew Litteken; CHECK-NEXT: i32 0, label [[OUTPUT_BLOCK_0_0:%.*]] 69e38f014cSAndrew Litteken; CHECK-NEXT: ] 70e38f014cSAndrew Litteken; CHECK: output_block_0_0: 7141d5033eSNikita Popov; CHECK-NEXT: store i32 [[B_CE]], ptr [[TMP0:%.*]], align 4 72e38f014cSAndrew Litteken; CHECK-NEXT: br label [[FINAL_BLOCK_0]] 73e38f014cSAndrew Litteken; CHECK: final_block_0: 74e38f014cSAndrew Litteken; CHECK-NEXT: ret void 75e38f014cSAndrew Litteken; 76