blob: 4749ea8f54de041d2fb6a299be1a4b210e844297 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
; bswap should be constant folded when it is passed a constant argument
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | \
; RUN: 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
}
|
