1 ; RUN: opt -S -gvn-hoist < %s | FileCheck %s 2 3 ; Check that the stores are not hoisted: it is invalid to hoist stores if they 4 ; are not executed on all paths. In this testcase, there are paths in the loop 5 ; that do not execute the stores. 6 7 ; CHECK-LABEL: define void @music_task 8 ; CHECK: store 9 ; CHECK: store 10 ; CHECK: store 11 12 13 %struct._MUSIC_OP_API_ = type { %struct._FILE_OPERATE_*, %struct.__MUSIC_API* } 14 %struct._FILE_OPERATE_ = type { %struct._FILE_OPERATE_INIT_*, %struct._lg_dev_info_* } 15 %struct._FILE_OPERATE_INIT_ = type { i32, i32, i32, i32, i32*, i8*, i32 } 16 %struct._lg_dev_info_ = type { %struct.os_event, i32, i32, %struct._lg_dev_hdl_*, i8, i8, i8, i8, i8 } 17 %struct.os_event = type { i8, i32, i8*, %union.anon } 18 %union.anon = type { %struct.event_cnt } 19 %struct.event_cnt = type { i16 } 20 %struct._lg_dev_hdl_ = type { i8*, i8*, i8*, i8*, i8* } 21 %struct.__MUSIC_API = type <{ i8*, i8*, i32, %struct._DEC_API, %struct._DEC_API_IO*, %struct._FS_BRK_POINT* }> 22 %struct._DEC_API = type { %struct._DEC_PHY*, i8*, i8*, i8* (i8*)*, i32* (i8*)*, i8*, %struct._AAC_DEFAULT_SETTING, i32, i32, i8*, %struct.decoder_inf*, i32, i8, i8*, i8, i8* } 23 %struct._DEC_PHY = type { i8*, %struct.__audio_decoder_ops*, i8*, %struct.if_decoder_io, %struct.if_dec_file*, i8*, i32 (i8*)*, i32, i8, %struct.__FF_FR } 24 %struct.__audio_decoder_ops = type { i8*, i32 (i8*, %struct.if_decoder_io*, i8*)*, i32 (i8*)*, i32 (i8*, i32)*, %struct.decoder_inf* (i8*)*, i32 (i8*)*, i32 (i8*)*, i32 (...)*, i32 (...)*, i32 (...)*, void (i8*, i32)*, void (i8*, i32, i8*, i32)*, i32 (i8*, i32, i8*)* } 25 %struct.if_decoder_io = type { i8*, i32 (i8*, i32, i8*, i32, i8)*, i32 (i8*, i32, i8*)*, void (i8*, i8*, i32)*, i32 (i8*)*, i32 (i8*, i32, i32)* } 26 %struct.if_dec_file = type { i32 (i8*, i8*, i32)*, i32 (i8*, i32, i32)* } 27 %struct.__FF_FR = type { i32, i32, i8, i8, i8 } 28 %struct._AAC_DEFAULT_SETTING = type { i32, i32, i32 } 29 %struct.decoder_inf = type { i16, i16, i32, i32 } 30 %struct._DEC_API_IO = type { i8*, i8*, i16 (i8*, i8*, i16)*, i32 (i8*, i8, i32)*, i32 (%struct.decoder_inf*, i32)*, %struct.__OP_IO, i32, i32 } 31 %struct.__OP_IO = type { i8*, i8* (i8*, i8*, i32)* } 32 %struct._FS_BRK_POINT = type { %struct._FS_BRK_INFO, i32, i32 } 33 %struct._FS_BRK_INFO = type { i32, i32, [8 x i8], i8, i8, i16 } 34 35 @.str = external hidden unnamed_addr constant [10 x i8], align 1 36 37 define void @music_task(i8* nocapture readnone %p) local_unnamed_addr { 38 entry: 39 %mapi = alloca %struct._MUSIC_OP_API_*, align 8 40 %0 = bitcast %struct._MUSIC_OP_API_** %mapi to i8* 41 call void @llvm.lifetime.start.p0i8(i64 8, i8* %0) 42 store %struct._MUSIC_OP_API_* null, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 43 %call = call i32 @music_decoder_init(%struct._MUSIC_OP_API_** nonnull %mapi) 44 br label %while.cond 45 46 while.cond.loopexit: ; preds = %while.cond2 47 br label %while.cond 48 49 while.cond: ; preds = %while.cond.loopexit, %entry 50 %1 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 51 %dop_api = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %1, i64 0, i32 1 52 %2 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api, align 8, !tbaa !5 53 %file_num = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %2, i64 0, i32 2 54 %3 = bitcast i32* %file_num to i8* 55 %call1 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %1, i32 33, i32 0, i32 28, i8* %3) 56 br label %while.cond2 57 58 while.cond2: ; preds = %while.cond2.backedge, %while.cond 59 %err.0 = phi i32 [ %call1, %while.cond ], [ %err.0.be, %while.cond2.backedge ] 60 switch i32 %err.0, label %sw.default [ 61 i32 0, label %while.cond.loopexit 62 i32 35, label %sw.bb 63 i32 11, label %sw.bb7 64 i32 12, label %sw.bb13 65 ] 66 67 sw.bb: ; preds = %while.cond2 68 %4 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 69 %dop_api4 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %4, i64 0, i32 1 70 %5 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api4, align 8, !tbaa !5 71 %file_num5 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %5, i64 0, i32 2 72 %6 = load i32, i32* %file_num5, align 1, !tbaa !7 73 %call6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %6) 74 br label %while.cond2.backedge 75 76 sw.bb7: ; preds = %while.cond2 77 %7 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 78 %dop_api8 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %7, i64 0, i32 1 79 %8 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api8, align 8, !tbaa !5 80 %file_num9 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %8, i64 0, i32 2 81 store i32 1, i32* %file_num9, align 1, !tbaa !7 82 %9 = bitcast i32* %file_num9 to i8* 83 %call12 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %7, i32 34, i32 0, i32 24, i8* %9) 84 br label %while.cond2.backedge 85 86 sw.bb13: ; preds = %while.cond2 87 %10 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 88 %dop_api14 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %10, i64 0, i32 1 89 %11 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api14, align 8, !tbaa !5 90 %file_num15 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %11, i64 0, i32 2 91 store i32 1, i32* %file_num15, align 1, !tbaa !7 92 %12 = bitcast i32* %file_num15 to i8* 93 %call18 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %10, i32 35, i32 0, i32 26, i8* %12) 94 br label %while.cond2.backedge 95 96 sw.default: ; preds = %while.cond2 97 %13 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1 98 %call19 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %13, i32 33, i32 0, i32 22, i8* null) 99 br label %while.cond2.backedge 100 101 while.cond2.backedge: ; preds = %sw.default, %sw.bb13, %sw.bb7, %sw.bb 102 %err.0.be = phi i32 [ %call19, %sw.default ], [ %call18, %sw.bb13 ], [ %call12, %sw.bb7 ], [ 0, %sw.bb ] 103 br label %while.cond2 104 } 105 106 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) 107 declare i32 @music_decoder_init(%struct._MUSIC_OP_API_**) 108 declare i32 @music_play_api(%struct._MUSIC_OP_API_*, i32, i32, i32, i8*) 109 declare i32 @printf(i8* nocapture readonly, ...) 110 111 !0 = !{!"clang version 4.0.0 "} 112 !1 = !{!2, !2, i64 0} 113 !2 = !{!"any pointer", !3, i64 0} 114 !3 = !{!"omnipotent char", !4, i64 0} 115 !4 = !{!"Simple C/C++ TBAA"} 116 !5 = !{!6, !2, i64 8} 117 !6 = !{!"_MUSIC_OP_API_", !2, i64 0, !2, i64 8} 118 !7 = !{!8, !9, i64 16} 119 !8 = !{!"__MUSIC_API", !2, i64 0, !2, i64 8, !9, i64 16, !10, i64 20, !2, i64 140, !2, i64 148} 120 !9 = !{!"int", !3, i64 0} 121 !10 = !{!"_DEC_API", !2, i64 0, !2, i64 8, !2, i64 16, !2, i64 24, !2, i64 32, !2, i64 40, !11, i64 48, !9, i64 60, !9, i64 64, !2, i64 72, !2, i64 80, !9, i64 88, !3, i64 92, !2, i64 96, !3, i64 104, !2, i64 112} 122 !11 = !{!"_AAC_DEFAULT_SETTING", !9, i64 0, !9, i64 4, !9, i64 8} 123
