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; RUN: opt -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
}
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