xref: /llvm-project/clang/test/CodeGen/builtin-rotate.c (revision b197667ebade63350382df9a7fd5cebb01bbd4d7)
1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2 
rotl8(unsigned char x,unsigned char y)3 unsigned char rotl8(unsigned char x, unsigned char y) {
4 // CHECK-LABEL: rotl8
5 // CHECK: [[F:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[Y:%.*]])
6 // CHECK-NEXT: ret i8 [[F]]
7 
8   return __builtin_rotateleft8(x, y);
9 }
10 
rotl16(short x,short y)11 short rotl16(short x, short y) {
12 // CHECK-LABEL: rotl16
13 // CHECK: [[F:%.*]] = call i16 @llvm.fshl.i16(i16 [[X:%.*]], i16 [[X]], i16 [[Y:%.*]])
14 // CHECK-NEXT: ret i16 [[F]]
15 
16   return __builtin_rotateleft16(x, y);
17 }
18 
rotl32(int x,unsigned int y)19 int rotl32(int x, unsigned int y) {
20 // CHECK-LABEL: rotl32
21 // CHECK: [[F:%.*]] = call i32 @llvm.fshl.i32(i32 [[X:%.*]], i32 [[X]], i32 [[Y:%.*]])
22 // CHECK-NEXT: ret i32 [[F]]
23 
24   return __builtin_rotateleft32(x, y);
25 }
26 
rotl64(unsigned long long x,long long y)27 unsigned long long rotl64(unsigned long long x, long long y) {
28 // CHECK-LABEL: rotl64
29 // CHECK: [[F:%.*]] = call i64 @llvm.fshl.i64(i64 [[X:%.*]], i64 [[X]], i64 [[Y:%.*]])
30 // CHECK-NEXT: ret i64 [[F]]
31 
32   return __builtin_rotateleft64(x, y);
33 }
34 
rotr8(char x,char y)35 char rotr8(char x, char y) {
36 // CHECK-LABEL: rotr8
37 // CHECK: [[F:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[Y:%.*]])
38 // CHECK-NEXT: ret i8 [[F]]
39 
40   return __builtin_rotateright8(x, y);
41 }
42 
rotr16(unsigned short x,unsigned short y)43 unsigned short rotr16(unsigned short x, unsigned short y) {
44 // CHECK-LABEL: rotr16
45 // CHECK: [[F:%.*]] = call i16 @llvm.fshr.i16(i16 [[X:%.*]], i16 [[X]], i16 [[Y:%.*]])
46 // CHECK-NEXT: ret i16 [[F]]
47 
48   return __builtin_rotateright16(x, y);
49 }
50 
rotr32(unsigned int x,int y)51 unsigned int rotr32(unsigned int x, int y) {
52 // CHECK-LABEL: rotr32
53 // CHECK: [[F:%.*]] = call i32 @llvm.fshr.i32(i32 [[X:%.*]], i32 [[X]], i32 [[Y:%.*]])
54 // CHECK-NEXT: ret i32 [[F]]
55 
56   return __builtin_rotateright32(x, y);
57 }
58 
rotr64(long long x,unsigned long long y)59 long long rotr64(long long x, unsigned long long y) {
60 // CHECK-LABEL: rotr64
61 // CHECK: [[F:%.*]] = call i64 @llvm.fshr.i64(i64 [[X:%.*]], i64 [[X]], i64 [[Y:%.*]])
62 // CHECK-NEXT: ret i64 [[F]]
63 
64   return __builtin_rotateright64(x, y);
65 }
66 
67