llvm-6502/test/CodeGen/X86/bswap.ll
2006-12-02 04:23:10 +00:00

24 lines
595 B
LLVM

; bswap should be constant folded when it is passed a constant argument
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep bswapl | wc -l | grep 3 &&
; RUN: llvm-upgrade < %s | llvm-as | 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
}