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13 lines
362 B
LLVM
13 lines
362 B
LLVM
; RUN: opt < %s -scalar-evolution -analyze \
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; RUN: | grep {\\--> (zext i4 (-8 + (trunc i64 (8 \\* %x) to i4)) to i64)}
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; ScalarEvolution shouldn't try to analyze %z into something like
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; --> (zext i4 (-1 + (-1 * (trunc i64 (8 * %x) to i4))) to i64)
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define i64 @foo(i64 %x) {
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%a = shl i64 %x, 3
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%t = and i64 %a, 8
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%z = xor i64 %t, 8
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ret i64 %z
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}
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