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