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23 lines
465 B
LLVM
23 lines
465 B
LLVM
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; bswap should be constant folded when it is passed a constant argument
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; RUN: llvm-as < %s | opt -constprop | llvm-dis | not grep call
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declare ushort %llvm.bswap.i16(ushort)
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declare uint %llvm.bswap.i32(uint)
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declare ulong %llvm.bswap.i64(ulong)
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ushort %W() {
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%Z = call ushort %llvm.bswap.i16(ushort 1)
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ret ushort %Z
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}
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uint %X() {
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%Z = call uint %llvm.bswap.i32(uint 1)
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ret uint %Z
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}
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ulong %Y() {
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%Z = call ulong %llvm.bswap.i64(ulong 1)
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ret ulong %Z
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}
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