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1; RUN: opt < %s -passes=licm -pass-remarks=licm -o /dev/null 2>&1 | FileCheck %s2; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<target-ir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' %s -o /dev/null -pass-remarks=licm 2>&1 | FileCheck %s3target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"4 5define void @hoist(ptr %array, ptr noalias %p) {6Entry:7 br label %Loop8 9Loop:10 %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ]11 %addr = getelementptr i32, ptr %array, i32 %j12 %a = load i32, ptr %addr13; CHECK: remark: /tmp/kk.c:2:20: hoisting load14 %b = load i32, ptr %p, !dbg !815 %a2 = add i32 %a, %b16 store i32 %a2, ptr %addr17 %Next = add i32 %j, 118 %cond = icmp eq i32 %Next, 019 br i1 %cond, label %Out, label %Loop20 21Out:22 ret void23}24 25define i32 @sink(ptr %array, ptr noalias %p, i32 %b) {26Entry:27 br label %Loop28 29Loop:30 %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ]31 %addr = getelementptr i32, ptr %array, i32 %j32 %a = load i32, ptr %addr33 %a2 = add i32 %a, %b34 store i32 %a2, ptr %addr35; CHECK: remark: /tmp/kk.c:2:21: sinking add36 %a3 = add i32 %a, 1, !dbg !937 %Next = add i32 %j, 138 %cond = icmp eq i32 %Next, 039 br i1 %cond, label %Out, label %Loop40 41Out:42 %a4 = phi i32 [ %a3, %Loop ]43 ret i32 %a444}45 46define void @promote(ptr %array, ptr noalias %p) {47Entry:48 br label %Loop49 50Loop:51 %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ]52 %addr = getelementptr i32, ptr %array, i32 %j53 %a = load i32, ptr %addr54 %b = load i32, ptr %p55 %a2 = add i32 %a, %b56 store i32 %a2, ptr %addr57; CHECK: remark: /tmp/kk.c:2:22: Moving accesses to memory location out of the loop58 store i32 %b, ptr %p, !dbg !1059 %Next = add i32 %j, 160 %cond = icmp eq i32 %Next, 061 br i1 %cond, label %Out, label %Loop62 63Out:64 ret void65}66 67!llvm.dbg.cu = !{!0}68!llvm.module.flags = !{!3, !4}69!llvm.ident = !{!5}70 71!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)72!1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp")73!2 = !{}74!3 = !{i32 2, !"Debug Info Version", i32 3}75!4 = !{i32 1, !"PIC Level", i32 2}76!5 = !{!"clang version 3.9.0 "}77!6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)78!7 = !DISubroutineType(types: !2)79!8 = !DILocation(line: 2, column: 20, scope: !6)80!9 = !DILocation(line: 2, column: 21, scope: !6)81!10 = !DILocation(line: 2, column: 22, scope: !6)82