xref: /llvm-project/llvm/test/CodeGen/Generic/bswap.ll (revision 0e8bd5a44a1bd8034706189b49a7a816c59304cd)
1; tests lowering of vector bswap
2; RUN: lli -jit-kind=mcjit -force-interpreter %s | FileCheck %s
3
4; CHECK: 0x100
5; CHECK: 0x10000
6; CHECK: 0x1001000000000000
7; CHECK: 0x100
8; CHECK: 0x10000
9; CHECK: 0x1001000000000000
10
11
12
13target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
14
15declare i16 @llvm.bswap.i16(i16);
16declare i32 @llvm.bswap.i32(i32);
17declare i64 @llvm.bswap.i64(i64);
18declare <4 x i16> @llvm.bswap.v4i16(<4 x i16>);
19declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>);
20declare <4 x i64> @llvm.bswap.v4i64(<4 x i64>);
21declare i32 @printf(ptr nocapture readonly, ...);
22
23@.str = private unnamed_addr constant [5 x i8] c"%#x\0A\00", align 1
24@.strs = private unnamed_addr constant [6 x i8] c"%#hx\0A\00", align 1
25@.strl = private unnamed_addr constant [6 x i8] c"%#lx\0A\00", align 1
26
27define i32 @main() local_unnamed_addr {
28  %ra = tail call i16 @llvm.bswap.i16(i16 1)
29  %pa = tail call i32 (ptr, ...) @printf(ptr @.strs, i16 %ra)
30
31  %rb = tail call i32 @llvm.bswap.i32(i32 256)
32  %pb = tail call i32 (ptr, ...) @printf(ptr @.str, i32 %rb)
33
34  %rc = tail call i64 @llvm.bswap.i64(i64 272)
35  %pc = tail call i32 (ptr, ...) @printf(ptr @.strl, i64 %rc)
36
37  %r0 = tail call <4 x i16> @llvm.bswap.v4i16(<4 x i16> <i16 1, i16 1, i16 1, i16 1>)
38  %e0 = extractelement <4 x i16> %r0, i8 0
39  %p0 = tail call i32 (ptr, ...) @printf(ptr @.strs, i16 %e0)
40
41  %r1 = tail call <4 x i32> @llvm.bswap.v4i32(<4 x i32> <i32 256, i32 256, i32 256, i32 256>)
42  %e1 = extractelement <4 x i32> %r1, i8 1
43  %p1 = tail call i32 (ptr, ...) @printf(ptr @.str, i32 %e1)
44
45  %r2 = tail call <4 x i64> @llvm.bswap.v4i64(<4 x i64> <i64 272, i64 272, i64 272, i64 272>)
46  %e2 = extractelement <4 x i64> %r2, i8 2
47  %p2 = tail call i32 (ptr, ...) @printf(ptr @.strl, i64 %e2)
48
49  ret i32 0
50}
51