clang/test/CodeGen/X86/ms-x86-intrinsics.c

   1 // RUN: %clang_cc1 -Werror -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
   2 // RUN:         -triple i686--windows -Oz -emit-llvm %s -o - \
   3 // RUN:         | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-I386
   4 // RUN: %clang_cc1 -Werror -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
   5 // RUN:         -triple x86_64--windows -Oz -emit-llvm %s -o - \
   6 // RUN:         | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-X64
   7
   8 #include <intrin.h>
   9
  10 #if defined(__i386__)
  11 char test__readfsbyte(unsigned long Offset) {
  12   return __readfsbyte(++Offset);
  13 }
  14 // CHECK-I386-LABEL: define dso_local signext i8 @test__readfsbyte(i32 noundef %Offset)
  15 // CHECK-I386:   %inc = add i32 %Offset, 1
  16 // CHECK-I386:   [[PTR:%[0-9]+]] = inttoptr i32 %inc to ptr addrspace(257)
  17 // CHECK-I386:   [[VALUE:%[0-9]+]] = load volatile i8, ptr addrspace(257) [[PTR]], align 1
  18 // CHECK-I386:   ret i8 [[VALUE:%[0-9]+]]
  19
  20 short test__readfsword(unsigned long Offset) {
  21   return __readfsword(++Offset);
  22 }
  23 // CHECK-I386-LABEL: define dso_local signext i16 @test__readfsword(i32 noundef %Offset)
  24 // CHECK-I386:   %inc = add i32 %Offset, 1
  25 // CHECK-I386:   [[PTR:%[0-9]+]] = inttoptr i32 %inc to ptr addrspace(257)
  26 // CHECK-I386:   [[VALUE:%[0-9]+]] = load volatile i16, ptr addrspace(257) [[PTR]], align 2
  27 // CHECK-I386:   ret i16 [[VALUE:%[0-9]+]]
  28
  29 long test__readfsdword(unsigned long Offset) {
  30   return __readfsdword(++Offset);
  31 }
  32 // CHECK-I386-LABEL: define dso_local i32 @test__readfsdword(i32 noundef %Offset)
  33 // CHECK-I386:   %inc = add i32 %Offset, 1
  34 // CHECK-I386:   [[PTR:%[0-9]+]] = inttoptr i32 %inc to ptr addrspace(257)
  35 // CHECK-I386:   [[VALUE:%[0-9]+]] = load volatile i32, ptr addrspace(257) [[PTR]], align 4
  36 // CHECK-I386:   ret i32 [[VALUE:%[0-9]+]]
  37
  38 long long test__readfsqword(unsigned long Offset) {
  39   return __readfsqword(++Offset);
  40 }
  41 // CHECK-I386-LABEL: define dso_local i64 @test__readfsqword(i32 noundef %Offset)
  42 // CHECK-I386:   %inc = add i32 %Offset, 1
  43 // CHECK-I386:   [[PTR:%[0-9]+]] = inttoptr i32 %inc to ptr addrspace(257)
  44 // CHECK-I386:   [[VALUE:%[0-9]+]] = load volatile i64, ptr addrspace(257) [[PTR]], align 8
  45 // CHECK-I386:   ret i64 [[VALUE:%[0-9]+]]
  46 #endif
  47
  48 __int64 test__emul(int a, int b) {
  49   return __emul(a, b);
  50 }
  51 // CHECK-LABEL: define dso_local range(i64 -4611686016279904256, 4611686018427387905) i64 @test__emul(i32 noundef %a, i32 noundef %b)
  52 // CHECK: [[X:%[0-9]+]] = sext i32 %a to i64
  53 // CHECK: [[Y:%[0-9]+]] = sext i32 %b to i64
  54 // CHECK: [[RES:%[0-9]+]] = mul nsw i64 [[Y]], [[X]]
  55 // CHECK: ret i64 [[RES]]
  56
  57 unsigned __int64 test__emulu(unsigned int a, unsigned int b) {
  58   return __emulu(a, b);
  59 }
  60 // CHECK-LABEL: define dso_local range(i64 0, -8589934590) i64 @test__emulu(i32 noundef %a, i32 noundef %b)
  61 // CHECK: [[X:%[0-9]+]] = zext i32 %a to i64
  62 // CHECK: [[Y:%[0-9]+]] = zext i32 %b to i64
  63 // CHECK: [[RES:%[0-9]+]] = mul nuw i64 [[Y]], [[X]]
  64 // CHECK: ret i64 [[RES]]
  65
  66
  67 unsigned char test_inbyte(unsigned short port) {
  68   return __inbyte(port);
  69 }
  70 // CHECK-LABEL: i8 @test_inbyte(i16 noundef
  71 // CHECK-SAME:  [[PORT:%.*]])
  72 // CHECK:       [[TMP0:%.*]] = tail call i8 asm sideeffect "inb ${1:w}, ${0:b}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
  73 // CHECK-NEXT:  ret i8 [[TMP0]]
  74
  75 unsigned short test_inword(unsigned short port) {
  76   return __inword(port);
  77 }
  78 // CHECK-LABEL: i16 @test_inword(i16 noundef
  79 // CHECK-SAME:  [[PORT:%.*]])
  80 // CHECK:       [[TMP0:%.*]] = tail call i16 asm sideeffect "inw ${1:w}, ${0:w}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
  81 // CHECK-NEXT:  ret i16 [[TMP0]]
  82
  83 unsigned long test_indword(unsigned short port) {
  84   return __indword(port);
  85 }
  86 // CHECK-LABEL: i32 @test_indword(i16 noundef
  87 // CHECK-SAME:  [[PORT:%.*]])
  88 // CHECK:       [[TMP0:%.*]] = tail call i32 asm sideeffect "inl ${1:w}, ${0:k}", "={ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[PORT]])
  89 // CHECK-NEXT:  ret i32 [[TMP0]]
  90
  91 void test_outbyte(unsigned short port, unsigned char data) {
  92     return __outbyte(port, data);
  93 }
  94 // CHECK-LABEL: void @test_outbyte(
  95 // CHECK-SAME:  [[PORT:%.*]],
  96 // CHECK-SAME:  [[DATA:%.*]])
  97 // CHECK:       tail call void asm sideeffect "outb ${0:b}, ${1:w}", "{ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i8 [[DATA]], i16 [[PORT]])
  98
  99 void test_outword(unsigned short port, unsigned short data) {
 100     return __outword(port, data);
 101 }
 102 // CHECK-LABEL: void @test_outword(
 103 // CHECK-SAME:  [[PORT:%.*]],
 104 // CHECK-SAME:  [[DATA:%.*]])
 105 // CHECK:       tail call void asm sideeffect "outw ${0:w}, ${1:w}", "{ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i16 [[DATA]], i16 [[PORT]])
 106
 107 void test_outdword(unsigned short port, unsigned long data) {
 108     return __outdword(port, data);
 109 }
 110 // CHECK-LABEL: void @test_outdword(
 111 // CHECK-SAME:  [[PORT:%.*]],
 112 // CHECK-SAME:  [[DATA:%.*]])
 113 // CHECK:       tail call void asm sideeffect "outl ${0:k}, ${1:w}", "{ax},N{dx},~{dirflag},~{fpsr},~{flags}"(i32 [[DATA]], i16 [[PORT]])
 114
 115 #if defined(__x86_64__)
 116
 117 char test__readgsbyte(unsigned long Offset) {
 118   return __readgsbyte(++Offset);
 119 }
 120 // CHECK-X64-LABEL: define dso_local i8 @test__readgsbyte(i32 noundef %Offset)
 121 // CHECK-X64:   %inc = add i32 %Offset, 1
 122 // CHECK-X64:   [[ZEXT:%[0-9]+]] = zext i32 %inc to i64
 123 // CHECK-X64:   [[PTR:%[0-9]+]] = inttoptr i64 [[ZEXT]] to ptr addrspace(256)
 124 // CHECK-X64:   [[VALUE:%[0-9]+]] = load volatile i8, ptr addrspace(256) [[PTR]], align 1
 125 // CHECK-X64:   ret i8 [[VALUE:%[0-9]+]]
 126
 127 short test__readgsword(unsigned long Offset) {
 128   return __readgsword(++Offset);
 129 }
 130 // CHECK-X64-LABEL: define dso_local i16 @test__readgsword(i32 noundef %Offset)
 131 // CHECK-X64:   %inc = add i32 %Offset, 1
 132 // CHECK-X64:   [[ZEXT:%[0-9]+]] = zext i32 %inc to i64
 133 // CHECK-X64:   [[PTR:%[0-9]+]] = inttoptr i64 [[ZEXT]] to ptr addrspace(256)
 134 // CHECK-X64:   [[VALUE:%[0-9]+]] = load volatile i16, ptr addrspace(256) [[PTR]], align 2
 135 // CHECK-X64:   ret i16 [[VALUE:%[0-9]+]]
 136
 137 long test__readgsdword(unsigned long Offset) {
 138   return __readgsdword(++Offset);
 139 }
 140 // CHECK-X64-LABEL: define dso_local i32 @test__readgsdword(i32 noundef %Offset)
 141 // CHECK-X64:   %inc = add i32 %Offset, 1
 142 // CHECK-X64:   [[ZEXT:%[0-9]+]] = zext i32 %inc to i64
 143 // CHECK-X64:   [[PTR:%[0-9]+]] = inttoptr i64 [[ZEXT]] to ptr addrspace(256)
 144 // CHECK-X64:   [[VALUE:%[0-9]+]] = load volatile i32, ptr addrspace(256) [[PTR]], align 4
 145 // CHECK-X64:   ret i32 [[VALUE:%[0-9]+]]
 146
 147 long long test__readgsqword(unsigned long Offset) {
 148   return __readgsqword(++Offset);
 149 }
 150 // CHECK-X64-LABEL: define dso_local i64 @test__readgsqword(i32 noundef %Offset)
 151 // CHECK-X64:   %inc = add i32 %Offset, 1
 152 // CHECK-X64:   [[ZEXT:%[0-9]+]] = zext i32 %inc to i64
 153 // CHECK-X64:   [[PTR:%[0-9]+]] = inttoptr i64 [[ZEXT]] to ptr addrspace(256)
 154 // CHECK-X64:   [[VALUE:%[0-9]+]] = load volatile i64, ptr addrspace(256) [[PTR]], align 8
 155 // CHECK-X64:   ret i64 [[VALUE:%[0-9]+]]
 156
 157 __int64 test__mulh(__int64 a, __int64 b) {
 158   return __mulh(a, b);
 159 }
 160 // CHECK-X64-LABEL: define dso_local range(i64 -4611686018427387904, 4611686018427387905) i64 @test__mulh(i64 noundef %a, i64 noundef %b)
 161 // CHECK-X64: = mul nsw i128 %
 162
 163 unsigned __int64 test__umulh(unsigned __int64 a, unsigned __int64 b) {
 164   return __umulh(a, b);
 165 }
 166 // CHECK-X64-LABEL: define dso_local range(i64 0, -1) i64 @test__umulh(i64 noundef %a, i64 noundef %b)
 167 // CHECK-X64: = mul nuw i128 %
 168
 169 __int64 test_mul128(__int64 Multiplier,
 170                     __int64 Multiplicand,
 171                     __int64 *HighProduct) {
 172   return _mul128(Multiplier, Multiplicand, HighProduct);
 173 }
 174 // CHECK-X64-LABEL: define dso_local i64 @test_mul128(i64 noundef %Multiplier, i64 noundef %Multiplicand, ptr{{[a-z_ ]*}} initializes((0, 8)) %HighProduct)
 175 // CHECK-X64: = sext i64 %Multiplier to i128
 176 // CHECK-X64: = sext i64 %Multiplicand to i128
 177 // CHECK-X64: = mul nsw i128 %
 178 // CHECK-X64: store i64 %
 179 // CHECK-X64: ret i64 %
 180
 181 unsigned __int64 test_umul128(unsigned __int64 Multiplier,
 182                               unsigned __int64 Multiplicand,
 183                               unsigned __int64 *HighProduct) {
 184   return _umul128(Multiplier, Multiplicand, HighProduct);
 185 }
 186 // CHECK-X64-LABEL: define dso_local i64 @test_umul128(i64 noundef %Multiplier, i64 noundef %Multiplicand, ptr{{[a-z_ ]*}} initializes((0, 8)) %HighProduct)
 187 // CHECK-X64: = zext i64 %Multiplier to i128
 188 // CHECK-X64: = zext i64 %Multiplicand to i128
 189 // CHECK-X64: = mul nuw i128 %
 190 // CHECK-X64: store i64 %
 191 // CHECK-X64: ret i64 %
 192
 193 unsigned __int64 test__shiftleft128(unsigned __int64 l, unsigned __int64 h,
 194                                     unsigned char d) {
 195   return __shiftleft128(l, h, d);
 196 }
 197 // CHECK-X64-LABEL: define dso_local noundef i64 @test__shiftleft128(i64 noundef %l, i64 noundef %h, i8 noundef %d)
 198 // CHECK-X64: = zext i8 %{{.*}} to i64
 199 // CHECK-X64: = tail call i64 @llvm.fshl.i64(i64 %h, i64 %l, i64 %{{.*}})
 200 // CHECK-X64:  ret i64 %
 201
 202 unsigned __int64 test__shiftright128(unsigned __int64 l, unsigned __int64 h,
 203                                      unsigned char d) {
 204   return __shiftright128(l, h, d);
 205 }
 206 // CHECK-X64-LABEL: define dso_local noundef i64 @test__shiftright128(i64 noundef %l, i64 noundef %h, i8 noundef %d)
 207 // CHECK-X64: = zext i8 %{{.*}} to i64
 208 // CHECK-X64: = tail call i64 @llvm.fshr.i64(i64 %h, i64 %l, i64 %{{.*}})
 209 // CHECK-X64:  ret i64 %
 210
 211 #endif // defined(__x86_64__)