1; RUN: opt -passes=licm -disable-output < %s 2; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<target-ir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' -disable-output < %s 3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 5target triple = "x86_64-apple-darwin10.0.0" 6 7 8; PR8068 9@g_12 = external global i8, align 1 10define void @test1() nounwind ssp { 11entry: 12 br label %for.body 13 14for.body: ; preds = %for.cond, %bb.nph 15 store i8 0, ptr @g_12, align 1 16 %tmp6 = load i8, ptr @g_12, align 1 17 br label %for.cond 18 19for.cond: ; preds = %for.body 20 store i8 %tmp6, ptr @g_12, align 1 21 br i1 false, label %for.cond.for.end10_crit_edge, label %for.body 22 23for.cond.for.end10_crit_edge: ; preds = %for.cond 24 br label %for.end10 25 26for.end10: ; preds = %for.cond.for.end10_crit_edge, %entry 27 ret void 28} 29 30; PR8067 31@g_8 = external global i32, align 4 32 33define void @test2() noreturn nounwind ssp { 34entry: 35 br label %for.body 36 37for.body: ; preds = %for.body, %entry 38 %tmp7 = load i32, ptr @g_8, align 4 39 store ptr @g_8, ptr undef, align 16 40 store i32 undef, ptr @g_8, align 4 41 br label %for.body 42} 43 44; PR8102 45define void @test3(i1 %arg) { 46entry: 47 %__first = alloca { ptr } 48 br i1 %arg, label %for.cond, label %for.end 49 50for.cond: ; preds = %for.cond, %entry 51 %tmp2 = load ptr, ptr %__first, align 4 52 %call = tail call ptr @test3helper(ptr %tmp2) 53 store ptr %call, ptr %__first, align 4 54 br i1 false, label %for.cond, label %for.end 55 56for.end: ; preds = %for.cond, %entry 57 ret void 58} 59 60declare ptr @test3helper(ptr) 61 62 63; PR8602 64@g_47 = external global i32, align 4 65 66define void @test4() noreturn nounwind { 67 br label %1 68 69; <label>:1 ; preds = %1, %0 70 store volatile ptr @g_47, ptr undef, align 8 71 store i32 undef, ptr @g_47, align 4 72 br label %1 73} 74 75; OSS-Fuzz #29050 76; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29050 77define <2 x i177> @ossfuzz_29050(<2 x i177> %X) { 78bb: 79 br label %BB 80BB: 81 %I3 = insertelement <2 x i177> undef, i177 95780971304118053647396689196894323976171195136475135, i177 95780971304118053647396689196894323976171195136475135 82 br i1 true, label %BB, label %BB1 83BB1: 84 ret <2 x i177> %I3 85} 86