mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
69c543709d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25699 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
565 B
LLVM
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
|
|
}
|