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llvm-mirror/test/Regression/CodeGen/X86/bswap.ll
2006-01-27 21:15:22 +00:00

24 lines
565 B
LLVM

; bswap should be constant folded when it is passed a constant argument
; RUN: llvm-as < %s | llc -march=x86 | grep bswapl | wc -l | grep 3 &&
; RUN: llvm-as < %s | llc -march=x86 | grep rolw | wc -l | grep 1
declare ushort %llvm.bswap.i16(ushort)
declare uint %llvm.bswap.i32(uint)
declare ulong %llvm.bswap.i64(ulong)
ushort %W(ushort %A) {
%Z = call ushort %llvm.bswap.i16(ushort %A)
ret ushort %Z
}
uint %X(uint %A) {
%Z = call uint %llvm.bswap.i32(uint %A)
ret uint %Z
}
ulong %Y(ulong %A) {
%Z = call ulong %llvm.bswap.i64(ulong %A)
ret ulong %Z
}