llvm-project/llvm/test/CodeGen/SystemZ/11-BSwap.ll

50 lines
1.3 KiB
LLVM

; XFAIL: *
; RUN: llvm-as < %s | llc | grep lrvr | count 2
; RUN: llvm-as < %s | llc | grep lrvgr | count 1
; RUN: llvm-as < %s | llc | grep lrvh | count 1
; RUN: llvm-as < %s | llc | grep {lrv.%} | count 1
; RUN: llvm-as < %s | llc | grep {lrvg.%} | count 1
target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
target triple = "s390x-linux"
define i16 @foo(i16 zeroext %a) zeroext {
%res = tail call i16 @llvm.bswap.i16(i16 %a)
ret i16 %res
}
define i32 @foo2(i32 zeroext %a) zeroext {
%res = tail call i32 @llvm.bswap.i32(i32 %a)
ret i32 %res
}
define i64 @foo3(i64 %a) zeroext {
%res = tail call i64 @llvm.bswap.i64(i64 %a)
ret i64 %res
}
define i16 @foo4(i16* %b) zeroext {
%a = load i16* %b
%res = tail call i16 @llvm.bswap.i16(i16 %a)
ret i16 %res
}
define i32 @foo5(i32* %b) zeroext {
%a = load i32* %b
%res = tail call i32 @llvm.bswap.i32(i32 %a)
ret i32 %res
}
define i64 @foo6(i64* %b) {
%a = load i64* %b
%res = tail call i64 @llvm.bswap.i64(i64 %a)
ret i64 %res
}
declare i16 @llvm.bswap.i16(i16) nounwind readnone
declare i32 @llvm.bswap.i32(i32) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone