clang/test/CodeGen/builtin-rotate.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
   2
   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
  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
  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
  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
  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
  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
  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
  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