clang/test/CodeGenSYCL/address-space-deduction.cpp

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // RUN: %clang_cc1 -triple spir64 -fsycl-is-device -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s
   3
   4 // CHECK-LABEL: @_Z4testv(
   5 // CHECK-NEXT:  entry:
   6 // CHECK-NEXT:    [[I:%.*]] = alloca i32, align 4
   7 // CHECK-NEXT:    [[PPTR:%.*]] = alloca ptr addrspace(4), align 8
   8 // CHECK-NEXT:    [[IS_I_PTR:%.*]] = alloca i8, align 1
   9 // CHECK-NEXT:    [[VAR23:%.*]] = alloca i32, align 4
  10 // CHECK-NEXT:    [[CP:%.*]] = alloca ptr addrspace(4), align 8
  11 // CHECK-NEXT:    [[ARR:%.*]] = alloca [42 x i32], align 4
  12 // CHECK-NEXT:    [[CPP:%.*]] = alloca ptr addrspace(4), align 8
  13 // CHECK-NEXT:    [[APTR:%.*]] = alloca ptr addrspace(4), align 8
  14 // CHECK-NEXT:    [[STR:%.*]] = alloca ptr addrspace(4), align 8
  15 // CHECK-NEXT:    [[PHI_STR:%.*]] = alloca ptr addrspace(4), align 8
  16 // CHECK-NEXT:    [[SELECT_NULL:%.*]] = alloca ptr addrspace(4), align 8
  17 // CHECK-NEXT:    [[SELECT_STR_TRIVIAL1:%.*]] = alloca ptr addrspace(4), align 8
  18 // CHECK-NEXT:    [[SELECT_STR_TRIVIAL2:%.*]] = alloca ptr addrspace(4), align 8
  19 // CHECK-NEXT:    [[I_ASCAST:%.*]] = addrspacecast ptr [[I]] to ptr addrspace(4)
  20 // CHECK-NEXT:    [[PPTR_ASCAST:%.*]] = addrspacecast ptr [[PPTR]] to ptr addrspace(4)
  21 // CHECK-NEXT:    [[IS_I_PTR_ASCAST:%.*]] = addrspacecast ptr [[IS_I_PTR]] to ptr addrspace(4)
  22 // CHECK-NEXT:    [[VAR23_ASCAST:%.*]] = addrspacecast ptr [[VAR23]] to ptr addrspace(4)
  23 // CHECK-NEXT:    [[CP_ASCAST:%.*]] = addrspacecast ptr [[CP]] to ptr addrspace(4)
  24 // CHECK-NEXT:    [[ARR_ASCAST:%.*]] = addrspacecast ptr [[ARR]] to ptr addrspace(4)
  25 // CHECK-NEXT:    [[CPP_ASCAST:%.*]] = addrspacecast ptr [[CPP]] to ptr addrspace(4)
  26 // CHECK-NEXT:    [[APTR_ASCAST:%.*]] = addrspacecast ptr [[APTR]] to ptr addrspace(4)
  27 // CHECK-NEXT:    [[STR_ASCAST:%.*]] = addrspacecast ptr [[STR]] to ptr addrspace(4)
  28 // CHECK-NEXT:    [[PHI_STR_ASCAST:%.*]] = addrspacecast ptr [[PHI_STR]] to ptr addrspace(4)
  29 // CHECK-NEXT:    [[SELECT_NULL_ASCAST:%.*]] = addrspacecast ptr [[SELECT_NULL]] to ptr addrspace(4)
  30 // CHECK-NEXT:    [[SELECT_STR_TRIVIAL1_ASCAST:%.*]] = addrspacecast ptr [[SELECT_STR_TRIVIAL1]] to ptr addrspace(4)
  31 // CHECK-NEXT:    [[SELECT_STR_TRIVIAL2_ASCAST:%.*]] = addrspacecast ptr [[SELECT_STR_TRIVIAL2]] to ptr addrspace(4)
  32 // CHECK-NEXT:    store i32 0, ptr addrspace(4) [[I_ASCAST]], align 4
  33 // CHECK-NEXT:    store ptr addrspace(4) [[I_ASCAST]], ptr addrspace(4) [[PPTR_ASCAST]], align 8
  34 // CHECK-NEXT:    [[TMP0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[PPTR_ASCAST]], align 8
  35 // CHECK-NEXT:    [[CMP:%.*]] = icmp eq ptr addrspace(4) [[TMP0]], [[I_ASCAST]]
  36 // CHECK-NEXT:    [[STOREDV:%.*]] = zext i1 [[CMP]] to i8
  37 // CHECK-NEXT:    store i8 [[STOREDV]], ptr addrspace(4) [[IS_I_PTR_ASCAST]], align 1
  38 // CHECK-NEXT:    [[TMP1:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[PPTR_ASCAST]], align 8
  39 // CHECK-NEXT:    store i32 66, ptr addrspace(4) [[TMP1]], align 4
  40 // CHECK-NEXT:    store i32 23, ptr addrspace(4) [[VAR23_ASCAST]], align 4
  41 // CHECK-NEXT:    store ptr addrspace(4) [[VAR23_ASCAST]], ptr addrspace(4) [[CP_ASCAST]], align 8
  42 // CHECK-NEXT:    [[TMP2:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[CP_ASCAST]], align 8
  43 // CHECK-NEXT:    store i8 41, ptr addrspace(4) [[TMP2]], align 1
  44 // CHECK-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [42 x i32], ptr addrspace(4) [[ARR_ASCAST]], i64 0, i64 0
  45 // CHECK-NEXT:    store ptr addrspace(4) [[ARRAYDECAY]], ptr addrspace(4) [[CPP_ASCAST]], align 8
  46 // CHECK-NEXT:    [[TMP3:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[CPP_ASCAST]], align 8
  47 // CHECK-NEXT:    store i8 43, ptr addrspace(4) [[TMP3]], align 1
  48 // CHECK-NEXT:    [[ARRAYDECAY1:%.*]] = getelementptr inbounds [42 x i32], ptr addrspace(4) [[ARR_ASCAST]], i64 0, i64 0
  49 // CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[ARRAYDECAY1]], i64 10
  50 // CHECK-NEXT:    store ptr addrspace(4) [[ADD_PTR]], ptr addrspace(4) [[APTR_ASCAST]], align 8
  51 // CHECK-NEXT:    [[TMP4:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[APTR_ASCAST]], align 8
  52 // CHECK-NEXT:    [[ARRAYDECAY2:%.*]] = getelementptr inbounds [42 x i32], ptr addrspace(4) [[ARR_ASCAST]], i64 0, i64 0
  53 // CHECK-NEXT:    [[ADD_PTR3:%.*]] = getelementptr inbounds nuw i32, ptr addrspace(4) [[ARRAYDECAY2]], i64 168
  54 // CHECK-NEXT:    [[CMP4:%.*]] = icmp ult ptr addrspace(4) [[TMP4]], [[ADD_PTR3]]
  55 // CHECK-NEXT:    br i1 [[CMP4]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
  56 // CHECK:       if.then:
  57 // CHECK-NEXT:    [[TMP5:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[APTR_ASCAST]], align 8
  58 // CHECK-NEXT:    store i32 44, ptr addrspace(4) [[TMP5]], align 4
  59 // CHECK-NEXT:    br label [[IF_END]]
  60 // CHECK:       if.end:
  61 // CHECK-NEXT:    store ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str to ptr addrspace(4)), ptr addrspace(4) [[STR_ASCAST]], align 8
  62 // CHECK-NEXT:    [[TMP6:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[STR_ASCAST]], align 8
  63 // CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr addrspace(4) [[TMP6]], i64 0
  64 // CHECK-NEXT:    [[TMP7:%.*]] = load i8, ptr addrspace(4) [[ARRAYIDX]], align 1
  65 // CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[TMP7]] to i32
  66 // CHECK-NEXT:    store i32 [[CONV]], ptr addrspace(4) [[I_ASCAST]], align 4
  67 // CHECK-NEXT:    [[TMP8:%.*]] = load i32, ptr addrspace(4) [[I_ASCAST]], align 4
  68 // CHECK-NEXT:    [[CMP5:%.*]] = icmp sgt i32 [[TMP8]], 2
  69 // CHECK-NEXT:    br i1 [[CMP5]], label [[COND_TRUE:%.*]], label [[COND_FALSE:%.*]]
  70 // CHECK:       cond.true:
  71 // CHECK-NEXT:    [[TMP9:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[STR_ASCAST]], align 8
  72 // CHECK-NEXT:    br label [[COND_END:%.*]]
  73 // CHECK:       cond.false:
  74 // CHECK-NEXT:    br label [[COND_END]]
  75 // CHECK:       cond.end:
  76 // CHECK-NEXT:    [[COND:%.*]] = phi ptr addrspace(4) [ [[TMP9]], [[COND_TRUE]] ], [ addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), [[COND_FALSE]] ]
  77 // CHECK-NEXT:    store ptr addrspace(4) [[COND]], ptr addrspace(4) [[PHI_STR_ASCAST]], align 8
  78 // CHECK-NEXT:    [[TMP10:%.*]] = load i32, ptr addrspace(4) [[I_ASCAST]], align 4
  79 // CHECK-NEXT:    [[CMP6:%.*]] = icmp sgt i32 [[TMP10]], 2
  80 // CHECK-NEXT:    [[TMP11:%.*]] = zext i1 [[CMP6]] to i64
  81 // CHECK-NEXT:    [[COND7:%.*]] = select i1 [[CMP6]], ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.2 to ptr addrspace(4)), ptr addrspace(4) null
  82 // CHECK-NEXT:    store ptr addrspace(4) [[COND7]], ptr addrspace(4) [[SELECT_NULL_ASCAST]], align 8
  83 // CHECK-NEXT:    [[TMP12:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[STR_ASCAST]], align 8
  84 // CHECK-NEXT:    store ptr addrspace(4) [[TMP12]], ptr addrspace(4) [[SELECT_STR_TRIVIAL1_ASCAST]], align 8
  85 // CHECK-NEXT:    store ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), ptr addrspace(4) [[SELECT_STR_TRIVIAL2_ASCAST]], align 8
  86 // CHECK-NEXT:    ret void
  87 //
  88 void test() {
  89   static const int foo = 0x42;
  90
  91
  92   int i = 0;
  93   int *pptr = &i;
  94   bool is_i_ptr = (pptr == &i);
  95   *pptr = foo;
  96
  97   int var23 = 23;
  98   char *cp = (char *)&var23;
  99   *cp = 41;
 100
 101   int arr[42];
 102   char *cpp = (char *)arr;
 103   *cpp = 43;
 104
 105   int *aptr = arr + 10;
 106   if (aptr < arr + sizeof(arr))
 107     *aptr = 44;
 108
 109   const char *str = "Hello, world!";
 110
 111   i = str[0];
 112
 113   const char *phi_str = i > 2 ? str : "Another hello world!";
 114   (void)phi_str;
 115
 116
 117
 118
 119   const char *select_null = i > 2 ? "Yet another Hello world" : nullptr;
 120   (void)select_null;
 121
 122   const char *select_str_trivial1 = true ? str : "Another hello world!";
 123   (void)select_str_trivial1;
 124
 125   const char *select_str_trivial2 = false ? str : "Another hello world!";
 126   (void)select_str_trivial2;
 127 }