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llvm-mirror/test/Regression/Transforms/ConstProp/bswap.ll
2006-01-14 01:25:24 +00:00

23 lines
465 B
LLVM

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