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123 lines
7.0 KiB
123 lines
7.0 KiB
; RUN: opt -S -gvn-hoist < %s | FileCheck %s
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; Check that the stores are not hoisted: it is invalid to hoist stores if they
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; are not executed on all paths. In this testcase, there are paths in the loop
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; that do not execute the stores.
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; CHECK-LABEL: define void @music_task
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; CHECK: store
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; CHECK: store
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; CHECK: store
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%struct._MUSIC_OP_API_ = type { %struct._FILE_OPERATE_*, %struct.__MUSIC_API* }
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%struct._FILE_OPERATE_ = type { %struct._FILE_OPERATE_INIT_*, %struct._lg_dev_info_* }
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%struct._FILE_OPERATE_INIT_ = type { i32, i32, i32, i32, i32*, i8*, i32 }
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%struct._lg_dev_info_ = type { %struct.os_event, i32, i32, %struct._lg_dev_hdl_*, i8, i8, i8, i8, i8 }
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%struct.os_event = type { i8, i32, i8*, %union.anon }
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%union.anon = type { %struct.event_cnt }
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%struct.event_cnt = type { i16 }
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%struct._lg_dev_hdl_ = type { i8*, i8*, i8*, i8*, i8* }
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%struct.__MUSIC_API = type <{ i8*, i8*, i32, %struct._DEC_API, %struct._DEC_API_IO*, %struct._FS_BRK_POINT* }>
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%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* }
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%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 }
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%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*)* }
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%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)* }
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%struct.if_dec_file = type { i32 (i8*, i8*, i32)*, i32 (i8*, i32, i32)* }
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%struct.__FF_FR = type { i32, i32, i8, i8, i8 }
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%struct._AAC_DEFAULT_SETTING = type { i32, i32, i32 }
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%struct.decoder_inf = type { i16, i16, i32, i32 }
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%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 }
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%struct.__OP_IO = type { i8*, i8* (i8*, i8*, i32)* }
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%struct._FS_BRK_POINT = type { %struct._FS_BRK_INFO, i32, i32 }
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%struct._FS_BRK_INFO = type { i32, i32, [8 x i8], i8, i8, i16 }
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@.str = external hidden unnamed_addr constant [10 x i8], align 1
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define void @music_task(i8* nocapture readnone %p) local_unnamed_addr {
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entry:
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%mapi = alloca %struct._MUSIC_OP_API_*, align 8
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%0 = bitcast %struct._MUSIC_OP_API_** %mapi to i8*
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call void @llvm.lifetime.start.p0i8(i64 8, i8* %0)
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store %struct._MUSIC_OP_API_* null, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%call = call i32 @music_decoder_init(%struct._MUSIC_OP_API_** nonnull %mapi)
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br label %while.cond
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while.cond.loopexit: ; preds = %while.cond2
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br label %while.cond
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while.cond: ; preds = %while.cond.loopexit, %entry
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%1 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%dop_api = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %1, i64 0, i32 1
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%2 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api, align 8, !tbaa !5
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%file_num = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %2, i64 0, i32 2
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%3 = bitcast i32* %file_num to i8*
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%call1 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %1, i32 33, i32 0, i32 28, i8* %3)
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br label %while.cond2
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while.cond2: ; preds = %while.cond2.backedge, %while.cond
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%err.0 = phi i32 [ %call1, %while.cond ], [ %err.0.be, %while.cond2.backedge ]
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switch i32 %err.0, label %sw.default [
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i32 0, label %while.cond.loopexit
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i32 35, label %sw.bb
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i32 11, label %sw.bb7
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i32 12, label %sw.bb13
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]
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sw.bb: ; preds = %while.cond2
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%4 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%dop_api4 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %4, i64 0, i32 1
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%5 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api4, align 8, !tbaa !5
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%file_num5 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %5, i64 0, i32 2
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%6 = load i32, i32* %file_num5, align 1, !tbaa !7
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%call6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %6)
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br label %while.cond2.backedge
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sw.bb7: ; preds = %while.cond2
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%7 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%dop_api8 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %7, i64 0, i32 1
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%8 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api8, align 8, !tbaa !5
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%file_num9 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %8, i64 0, i32 2
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store i32 1, i32* %file_num9, align 1, !tbaa !7
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%9 = bitcast i32* %file_num9 to i8*
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%call12 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %7, i32 34, i32 0, i32 24, i8* %9)
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br label %while.cond2.backedge
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sw.bb13: ; preds = %while.cond2
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%10 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%dop_api14 = getelementptr inbounds %struct._MUSIC_OP_API_, %struct._MUSIC_OP_API_* %10, i64 0, i32 1
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%11 = load %struct.__MUSIC_API*, %struct.__MUSIC_API** %dop_api14, align 8, !tbaa !5
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%file_num15 = getelementptr inbounds %struct.__MUSIC_API, %struct.__MUSIC_API* %11, i64 0, i32 2
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store i32 1, i32* %file_num15, align 1, !tbaa !7
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%12 = bitcast i32* %file_num15 to i8*
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%call18 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %10, i32 35, i32 0, i32 26, i8* %12)
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br label %while.cond2.backedge
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sw.default: ; preds = %while.cond2
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%13 = load %struct._MUSIC_OP_API_*, %struct._MUSIC_OP_API_** %mapi, align 8, !tbaa !1
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%call19 = call i32 @music_play_api(%struct._MUSIC_OP_API_* %13, i32 33, i32 0, i32 22, i8* null)
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br label %while.cond2.backedge
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while.cond2.backedge: ; preds = %sw.default, %sw.bb13, %sw.bb7, %sw.bb
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%err.0.be = phi i32 [ %call19, %sw.default ], [ %call18, %sw.bb13 ], [ %call12, %sw.bb7 ], [ 0, %sw.bb ]
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br label %while.cond2
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare i32 @music_decoder_init(%struct._MUSIC_OP_API_**)
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declare i32 @music_play_api(%struct._MUSIC_OP_API_*, i32, i32, i32, i8*)
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declare i32 @printf(i8* nocapture readonly, ...)
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!0 = !{!"clang version 4.0.0 "}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"any pointer", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !2, i64 8}
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!6 = !{!"_MUSIC_OP_API_", !2, i64 0, !2, i64 8}
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!7 = !{!8, !9, i64 16}
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!8 = !{!"__MUSIC_API", !2, i64 0, !2, i64 8, !9, i64 16, !10, i64 20, !2, i64 140, !2, i64 148}
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!9 = !{!"int", !3, i64 0}
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!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}
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!11 = !{!"_AAC_DEFAULT_SETTING", !9, i64 0, !9, i64 4, !9, i64 8}
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