1 ; RUN: opt -licm %s -disable-output
3 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"
4 target triple = "x86_64-apple-darwin10.0.0"
8 @g_12 = external global i8, align 1
9 define void @test1() nounwind ssp {
13 for.body: ; preds = %for.cond, %bb.nph
14 store i8 0, i8* @g_12, align 1
15 %tmp6 = load i8* @g_12, align 1
18 for.cond: ; preds = %for.body
19 store i8 %tmp6, i8* @g_12, align 1
20 br i1 false, label %for.cond.for.end10_crit_edge, label %for.body
22 for.cond.for.end10_crit_edge: ; preds = %for.cond
25 for.end10: ; preds = %for.cond.for.end10_crit_edge, %entry
30 @g_8 = external global i32, align 4
32 define void @test2() noreturn nounwind ssp {
36 for.body: ; preds = %for.body, %entry
37 %tmp7 = load i32* @g_8, align 4
38 store i32* @g_8, i32** undef, align 16
39 store i32 undef, i32* @g_8, align 4
44 define void @test3() {
46 %__first = alloca { i32* }
47 br i1 undef, label %for.cond, label %for.end
49 for.cond: ; preds = %for.cond, %entry
50 %tmp1 = getelementptr { i32*}* %__first, i32 0, i32 0
51 %tmp2 = load i32** %tmp1, align 4
52 %call = tail call i32* @test3helper(i32* %tmp2)
53 %tmp3 = getelementptr { i32*}* %__first, i32 0, i32 0
54 store i32* %call, i32** %tmp3, align 4
55 br i1 false, label %for.cond, label %for.end
57 for.end: ; preds = %for.cond, %entry
61 declare i32* @test3helper(i32*)