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20 lines
554 B
LLVM
20 lines
554 B
LLVM
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; Test that opaque constants are not creating an infinite DAGCombine loop
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; RUN: llc < %s
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; XFAIL: r600, xcore
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@a = common global i32* null, align 8
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@c = common global i32 0, align 4
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@b = common global i32* null, align 8
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; Function Attrs: nounwind ssp uwtable
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define void @fn() {
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store i32* inttoptr (i64 68719476735 to i32*), i32** @a, align 8
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%1 = load i32* @c, align 4
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%2 = sext i32 %1 to i64
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%3 = lshr i64 %2, 12
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%4 = and i64 %3, 68719476735
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%5 = getelementptr inbounds i32* null, i64 %4
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store i32* %5, i32** @b, align 8
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ret void
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}
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