| ; RUN: opt -licm -disable-output < %s |
| ; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' -disable-output < %s |
| |
| target 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" |
| target triple = "x86_64-apple-darwin10.0.0" |
| |
| |
| ; PR8068 |
| @g_12 = external global i8, align 1 |
| define void @test1() nounwind ssp { |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.cond, %bb.nph |
| store i8 0, i8* @g_12, align 1 |
| %tmp6 = load i8, i8* @g_12, align 1 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.body |
| store i8 %tmp6, i8* @g_12, align 1 |
| br i1 false, label %for.cond.for.end10_crit_edge, label %for.body |
| |
| for.cond.for.end10_crit_edge: ; preds = %for.cond |
| br label %for.end10 |
| |
| for.end10: ; preds = %for.cond.for.end10_crit_edge, %entry |
| ret void |
| } |
| |
| ; PR8067 |
| @g_8 = external global i32, align 4 |
| |
| define void @test2() noreturn nounwind ssp { |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %tmp7 = load i32, i32* @g_8, align 4 |
| store i32* @g_8, i32** undef, align 16 |
| store i32 undef, i32* @g_8, align 4 |
| br label %for.body |
| } |
| |
| ; PR8102 |
| define void @test3() { |
| entry: |
| %__first = alloca { i32* } |
| br i1 undef, label %for.cond, label %for.end |
| |
| for.cond: ; preds = %for.cond, %entry |
| %tmp1 = getelementptr { i32*}, { i32*}* %__first, i32 0, i32 0 |
| %tmp2 = load i32*, i32** %tmp1, align 4 |
| %call = tail call i32* @test3helper(i32* %tmp2) |
| %tmp3 = getelementptr { i32*}, { i32*}* %__first, i32 0, i32 0 |
| store i32* %call, i32** %tmp3, align 4 |
| br i1 false, label %for.cond, label %for.end |
| |
| for.end: ; preds = %for.cond, %entry |
| ret void |
| } |
| |
| declare i32* @test3helper(i32*) |
| |
| |
| ; PR8602 |
| @g_47 = external global i32, align 4 |
| |
| define void @test4() noreturn nounwind { |
| br label %1 |
| |
| ; <label>:1 ; preds = %1, %0 |
| store volatile i32* @g_47, i32** undef, align 8 |
| store i32 undef, i32* @g_47, align 4 |
| br label %1 |
| } |