clang/test/CodeGenHIP/printf.cpp

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
   2 // REQUIRES: amdgpu-registered-target
   3 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -x hip -emit-llvm -fcuda-is-device \
   4 // RUN:   -o - %s | FileCheck --check-prefix=AMDGCN --enable-var-scope %s
   5 // RUN: %clang_cc1 -triple spirv64-amd-amdhsa -x hip -emit-llvm -fcuda-is-device \
   6 // RUN:   -o - %s | FileCheck --check-prefix=AMDGCNSPIRV --enable-var-scope %s
   7
   8 #define __device__ __attribute__((device))
   9
  10 extern "C" __device__ int printf(const char *format, ...);
  11
  12 // AMDGCN-LABEL: define dso_local noundef i32 @_Z4foo1v(
  13 // AMDGCN-SAME: ) #[[ATTR0:[0-9]+]] {
  14 // AMDGCN-NEXT:  [[ENTRY:.*]]:
  15 // AMDGCN-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4, addrspace(5)
  16 // AMDGCN-NEXT:    [[S:%.*]] = alloca ptr, align 8, addrspace(5)
  17 // AMDGCN-NEXT:    [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[RETVAL]] to ptr
  18 // AMDGCN-NEXT:    [[S_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[S]] to ptr
  19 // AMDGCN-NEXT:    store ptr addrspacecast (ptr addrspace(4) @.str to ptr), ptr [[S_ASCAST]], align 8
  20 // AMDGCN-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[S_ASCAST]], align 8
  21 // AMDGCN-NEXT:    [[TMP1:%.*]] = load ptr, ptr [[S_ASCAST]], align 8
  22 // AMDGCN-NEXT:    [[TMP2:%.*]] = call i64 @__ockl_printf_begin(i64 0)
  23 // AMDGCN-NEXT:    [[TMP3:%.*]] = icmp eq ptr addrspacecast (ptr addrspace(4) @.str.1 to ptr), null
  24 // AMDGCN-NEXT:    br i1 [[TMP3]], label %[[STRLEN_JOIN:.*]], label %[[STRLEN_WHILE:.*]]
  25 // AMDGCN:       [[STRLEN_WHILE]]:
  26 // AMDGCN-NEXT:    [[TMP4:%.*]] = phi ptr [ addrspacecast (ptr addrspace(4) @.str.1 to ptr), %[[ENTRY]] ], [ [[TMP5:%.*]], %[[STRLEN_WHILE]] ]
  27 // AMDGCN-NEXT:    [[TMP5]] = getelementptr i8, ptr [[TMP4]], i64 1
  28 // AMDGCN-NEXT:    [[TMP6:%.*]] = load i8, ptr [[TMP4]], align 1
  29 // AMDGCN-NEXT:    [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
  30 // AMDGCN-NEXT:    br i1 [[TMP7]], label %[[STRLEN_WHILE_DONE:.*]], label %[[STRLEN_WHILE]]
  31 // AMDGCN:       [[STRLEN_WHILE_DONE]]:
  32 // AMDGCN-NEXT:    [[TMP8:%.*]] = ptrtoint ptr [[TMP4]] to i64
  33 // AMDGCN-NEXT:    [[TMP9:%.*]] = sub i64 [[TMP8]], ptrtoint (ptr addrspacecast (ptr addrspace(4) @.str.1 to ptr) to i64)
  34 // AMDGCN-NEXT:    [[TMP10:%.*]] = add i64 [[TMP9]], 1
  35 // AMDGCN-NEXT:    br label %[[STRLEN_JOIN]]
  36 // AMDGCN:       [[STRLEN_JOIN]]:
  37 // AMDGCN-NEXT:    [[TMP11:%.*]] = phi i64 [ [[TMP10]], %[[STRLEN_WHILE_DONE]] ], [ 0, %[[ENTRY]] ]
  38 // AMDGCN-NEXT:    [[TMP12:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[TMP2]], ptr addrspacecast (ptr addrspace(4) @.str.1 to ptr), i64 [[TMP11]], i32 0)
  39 // AMDGCN-NEXT:    [[TMP13:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP12]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  40 // AMDGCN-NEXT:    [[TMP14:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP13]], i32 1, i64 4614256650576692846, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  41 // AMDGCN-NEXT:    [[TMP15:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP14]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  42 // AMDGCN-NEXT:    [[TMP16:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP15]], i32 1, i64 4, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  43 // AMDGCN-NEXT:    [[TMP17:%.*]] = icmp eq ptr [[TMP0]], null
  44 // AMDGCN-NEXT:    br i1 [[TMP17]], label %[[STRLEN_JOIN1:.*]], label %[[STRLEN_WHILE2:.*]]
  45 // AMDGCN:       [[STRLEN_WHILE2]]:
  46 // AMDGCN-NEXT:    [[TMP18:%.*]] = phi ptr [ [[TMP0]], %[[STRLEN_JOIN]] ], [ [[TMP19:%.*]], %[[STRLEN_WHILE2]] ]
  47 // AMDGCN-NEXT:    [[TMP19]] = getelementptr i8, ptr [[TMP18]], i64 1
  48 // AMDGCN-NEXT:    [[TMP20:%.*]] = load i8, ptr [[TMP18]], align 1
  49 // AMDGCN-NEXT:    [[TMP21:%.*]] = icmp eq i8 [[TMP20]], 0
  50 // AMDGCN-NEXT:    br i1 [[TMP21]], label %[[STRLEN_WHILE_DONE3:.*]], label %[[STRLEN_WHILE2]]
  51 // AMDGCN:       [[STRLEN_WHILE_DONE3]]:
  52 // AMDGCN-NEXT:    [[TMP22:%.*]] = ptrtoint ptr [[TMP0]] to i64
  53 // AMDGCN-NEXT:    [[TMP23:%.*]] = ptrtoint ptr [[TMP18]] to i64
  54 // AMDGCN-NEXT:    [[TMP24:%.*]] = sub i64 [[TMP23]], [[TMP22]]
  55 // AMDGCN-NEXT:    [[TMP25:%.*]] = add i64 [[TMP24]], 1
  56 // AMDGCN-NEXT:    br label %[[STRLEN_JOIN1]]
  57 // AMDGCN:       [[STRLEN_JOIN1]]:
  58 // AMDGCN-NEXT:    [[TMP26:%.*]] = phi i64 [ [[TMP25]], %[[STRLEN_WHILE_DONE3]] ], [ 0, %[[STRLEN_JOIN]] ]
  59 // AMDGCN-NEXT:    [[TMP27:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[TMP16]], ptr [[TMP0]], i64 [[TMP26]], i32 0)
  60 // AMDGCN-NEXT:    [[TMP28:%.*]] = ptrtoint ptr [[TMP1]] to i64
  61 // AMDGCN-NEXT:    [[TMP29:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP27]], i32 1, i64 [[TMP28]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1)
  62 // AMDGCN-NEXT:    [[TMP30:%.*]] = trunc i64 [[TMP29]] to i32
  63 // AMDGCN-NEXT:    ret i32 [[TMP30]]
  64 //
  65 // AMDGCNSPIRV-LABEL: define spir_func noundef i32 @_Z4foo1v(
  66 // AMDGCNSPIRV-SAME: ) addrspace(4) #[[ATTR0:[0-9]+]] {
  67 // AMDGCNSPIRV-NEXT:  [[ENTRY:.*]]:
  68 // AMDGCNSPIRV-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
  69 // AMDGCNSPIRV-NEXT:    [[S:%.*]] = alloca ptr addrspace(4), align 8
  70 // AMDGCNSPIRV-NEXT:    [[RETVAL_ASCAST:%.*]] = addrspacecast ptr [[RETVAL]] to ptr addrspace(4)
  71 // AMDGCNSPIRV-NEXT:    [[S_ASCAST:%.*]] = addrspacecast ptr [[S]] to ptr addrspace(4)
  72 // AMDGCNSPIRV-NEXT:    store ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str to ptr addrspace(4)), ptr addrspace(4) [[S_ASCAST]], align 8
  73 // AMDGCNSPIRV-NEXT:    [[TMP0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[S_ASCAST]], align 8
  74 // AMDGCNSPIRV-NEXT:    [[TMP1:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[S_ASCAST]], align 8
  75 // AMDGCNSPIRV-NEXT:    [[TMP2:%.*]] = call addrspace(4) i64 @__ockl_printf_begin(i64 0)
  76 // AMDGCNSPIRV-NEXT:    [[TMP3:%.*]] = icmp eq ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), null
  77 // AMDGCNSPIRV-NEXT:    br i1 [[TMP3]], label %[[STRLEN_JOIN:.*]], label %[[STRLEN_WHILE:.*]]
  78 // AMDGCNSPIRV:       [[STRLEN_WHILE]]:
  79 // AMDGCNSPIRV-NEXT:    [[TMP4:%.*]] = phi ptr addrspace(4) [ addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), %[[ENTRY]] ], [ [[TMP5:%.*]], %[[STRLEN_WHILE]] ]
  80 // AMDGCNSPIRV-NEXT:    [[TMP5]] = getelementptr i8, ptr addrspace(4) [[TMP4]], i64 1
  81 // AMDGCNSPIRV-NEXT:    [[TMP6:%.*]] = load i8, ptr addrspace(4) [[TMP4]], align 1
  82 // AMDGCNSPIRV-NEXT:    [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
  83 // AMDGCNSPIRV-NEXT:    br i1 [[TMP7]], label %[[STRLEN_WHILE_DONE:.*]], label %[[STRLEN_WHILE]]
  84 // AMDGCNSPIRV:       [[STRLEN_WHILE_DONE]]:
  85 // AMDGCNSPIRV-NEXT:    [[TMP8:%.*]] = ptrtoint ptr addrspace(4) [[TMP4]] to i64
  86 // AMDGCNSPIRV-NEXT:    [[TMP9:%.*]] = sub i64 [[TMP8]], ptrtoint (ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)) to i64)
  87 // AMDGCNSPIRV-NEXT:    [[TMP10:%.*]] = add i64 [[TMP9]], 1
  88 // AMDGCNSPIRV-NEXT:    br label %[[STRLEN_JOIN]]
  89 // AMDGCNSPIRV:       [[STRLEN_JOIN]]:
  90 // AMDGCNSPIRV-NEXT:    [[TMP11:%.*]] = phi i64 [ [[TMP10]], %[[STRLEN_WHILE_DONE]] ], [ 0, %[[ENTRY]] ]
  91 // AMDGCNSPIRV-NEXT:    [[TMP12:%.*]] = call addrspace(4) i64 @__ockl_printf_append_string_n(i64 [[TMP2]], ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), i64 [[TMP11]], i32 0)
  92 // AMDGCNSPIRV-NEXT:    [[TMP13:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP12]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  93 // AMDGCNSPIRV-NEXT:    [[TMP14:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP13]], i32 1, i64 4614256650576692846, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  94 // AMDGCNSPIRV-NEXT:    [[TMP15:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP14]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  95 // AMDGCNSPIRV-NEXT:    [[TMP16:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP15]], i32 1, i64 4, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0)
  96 // AMDGCNSPIRV-NEXT:    [[TMP17:%.*]] = icmp eq ptr addrspace(4) [[TMP0]], null
  97 // AMDGCNSPIRV-NEXT:    br i1 [[TMP17]], label %[[STRLEN_JOIN1:.*]], label %[[STRLEN_WHILE2:.*]]
  98 // AMDGCNSPIRV:       [[STRLEN_WHILE2]]:
  99 // AMDGCNSPIRV-NEXT:    [[TMP18:%.*]] = phi ptr addrspace(4) [ [[TMP0]], %[[STRLEN_JOIN]] ], [ [[TMP19:%.*]], %[[STRLEN_WHILE2]] ]
 100 // AMDGCNSPIRV-NEXT:    [[TMP19]] = getelementptr i8, ptr addrspace(4) [[TMP18]], i64 1
 101 // AMDGCNSPIRV-NEXT:    [[TMP20:%.*]] = load i8, ptr addrspace(4) [[TMP18]], align 1
 102 // AMDGCNSPIRV-NEXT:    [[TMP21:%.*]] = icmp eq i8 [[TMP20]], 0
 103 // AMDGCNSPIRV-NEXT:    br i1 [[TMP21]], label %[[STRLEN_WHILE_DONE3:.*]], label %[[STRLEN_WHILE2]]
 104 // AMDGCNSPIRV:       [[STRLEN_WHILE_DONE3]]:
 105 // AMDGCNSPIRV-NEXT:    [[TMP22:%.*]] = ptrtoint ptr addrspace(4) [[TMP0]] to i64
 106 // AMDGCNSPIRV-NEXT:    [[TMP23:%.*]] = ptrtoint ptr addrspace(4) [[TMP18]] to i64
 107 // AMDGCNSPIRV-NEXT:    [[TMP24:%.*]] = sub i64 [[TMP23]], [[TMP22]]
 108 // AMDGCNSPIRV-NEXT:    [[TMP25:%.*]] = add i64 [[TMP24]], 1
 109 // AMDGCNSPIRV-NEXT:    br label %[[STRLEN_JOIN1]]
 110 // AMDGCNSPIRV:       [[STRLEN_JOIN1]]:
 111 // AMDGCNSPIRV-NEXT:    [[TMP26:%.*]] = phi i64 [ [[TMP25]], %[[STRLEN_WHILE_DONE3]] ], [ 0, %[[STRLEN_JOIN]] ]
 112 // AMDGCNSPIRV-NEXT:    [[TMP27:%.*]] = call addrspace(4) i64 @__ockl_printf_append_string_n(i64 [[TMP16]], ptr addrspace(4) [[TMP0]], i64 [[TMP26]], i32 0)
 113 // AMDGCNSPIRV-NEXT:    [[TMP28:%.*]] = ptrtoint ptr addrspace(4) [[TMP1]] to i64
 114 // AMDGCNSPIRV-NEXT:    [[TMP29:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP27]], i32 1, i64 [[TMP28]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1)
 115 // AMDGCNSPIRV-NEXT:    [[TMP30:%.*]] = trunc i64 [[TMP29]] to i32
 116 // AMDGCNSPIRV-NEXT:    ret i32 [[TMP30]]
 117 //
 118 __device__ int foo1() {
 119   const char *s = "hello world";
 120   return printf("%.*f %*.*s %p\n", 8, 3.14159, 8, 4, s, s);
 121 }
 122
 123 __device__ char *dstr;
 124
 125 // AMDGCN-LABEL: define dso_local noundef i32 @_Z4foo2v(
 126 // AMDGCN-SAME: ) #[[ATTR0:[0-9]+]] {
 127 // AMDGCN-NEXT:  [[ENTRY:.*]]:
 128 // AMDGCN-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4, addrspace(5)
 129 // AMDGCN-NEXT:    [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[RETVAL]] to ptr
 130 // AMDGCN-NEXT:    [[TMP0:%.*]] = load ptr, ptr addrspacecast (ptr addrspace(1) @dstr to ptr), align 8
 131 // AMDGCN-NEXT:    [[TMP1:%.*]] = load ptr, ptr addrspacecast (ptr addrspace(1) @dstr to ptr), align 8
 132 // AMDGCN-NEXT:    [[TMP2:%.*]] = call i64 @__ockl_printf_begin(i64 0)
 133 // AMDGCN-NEXT:    [[TMP3:%.*]] = icmp eq ptr addrspacecast (ptr addrspace(4) @.str.2 to ptr), null
 134 // AMDGCN-NEXT:    br i1 [[TMP3]], label %[[STRLEN_JOIN:.*]], label %[[STRLEN_WHILE:.*]]
 135 // AMDGCN:       [[STRLEN_WHILE]]:
 136 // AMDGCN-NEXT:    [[TMP4:%.*]] = phi ptr [ addrspacecast (ptr addrspace(4) @.str.2 to ptr), %[[ENTRY]] ], [ [[TMP5:%.*]], %[[STRLEN_WHILE]] ]
 137 // AMDGCN-NEXT:    [[TMP5]] = getelementptr i8, ptr [[TMP4]], i64 1
 138 // AMDGCN-NEXT:    [[TMP6:%.*]] = load i8, ptr [[TMP4]], align 1
 139 // AMDGCN-NEXT:    [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
 140 // AMDGCN-NEXT:    br i1 [[TMP7]], label %[[STRLEN_WHILE_DONE:.*]], label %[[STRLEN_WHILE]]
 141 // AMDGCN:       [[STRLEN_WHILE_DONE]]:
 142 // AMDGCN-NEXT:    [[TMP8:%.*]] = ptrtoint ptr [[TMP4]] to i64
 143 // AMDGCN-NEXT:    [[TMP9:%.*]] = sub i64 [[TMP8]], ptrtoint (ptr addrspacecast (ptr addrspace(4) @.str.2 to ptr) to i64)
 144 // AMDGCN-NEXT:    [[TMP10:%.*]] = add i64 [[TMP9]], 1
 145 // AMDGCN-NEXT:    br label %[[STRLEN_JOIN]]
 146 // AMDGCN:       [[STRLEN_JOIN]]:
 147 // AMDGCN-NEXT:    [[TMP11:%.*]] = phi i64 [ [[TMP10]], %[[STRLEN_WHILE_DONE]] ], [ 0, %[[ENTRY]] ]
 148 // AMDGCN-NEXT:    [[TMP12:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[TMP2]], ptr addrspacecast (ptr addrspace(4) @.str.2 to ptr), i64 [[TMP11]], i32 0)
 149 // AMDGCN-NEXT:    [[TMP13:%.*]] = icmp eq ptr [[TMP0]], null
 150 // AMDGCN-NEXT:    br i1 [[TMP13]], label %[[STRLEN_JOIN1:.*]], label %[[STRLEN_WHILE2:.*]]
 151 // AMDGCN:       [[STRLEN_WHILE2]]:
 152 // AMDGCN-NEXT:    [[TMP14:%.*]] = phi ptr [ [[TMP0]], %[[STRLEN_JOIN]] ], [ [[TMP15:%.*]], %[[STRLEN_WHILE2]] ]
 153 // AMDGCN-NEXT:    [[TMP15]] = getelementptr i8, ptr [[TMP14]], i64 1
 154 // AMDGCN-NEXT:    [[TMP16:%.*]] = load i8, ptr [[TMP14]], align 1
 155 // AMDGCN-NEXT:    [[TMP17:%.*]] = icmp eq i8 [[TMP16]], 0
 156 // AMDGCN-NEXT:    br i1 [[TMP17]], label %[[STRLEN_WHILE_DONE3:.*]], label %[[STRLEN_WHILE2]]
 157 // AMDGCN:       [[STRLEN_WHILE_DONE3]]:
 158 // AMDGCN-NEXT:    [[TMP18:%.*]] = ptrtoint ptr [[TMP0]] to i64
 159 // AMDGCN-NEXT:    [[TMP19:%.*]] = ptrtoint ptr [[TMP14]] to i64
 160 // AMDGCN-NEXT:    [[TMP20:%.*]] = sub i64 [[TMP19]], [[TMP18]]
 161 // AMDGCN-NEXT:    [[TMP21:%.*]] = add i64 [[TMP20]], 1
 162 // AMDGCN-NEXT:    br label %[[STRLEN_JOIN1]]
 163 // AMDGCN:       [[STRLEN_JOIN1]]:
 164 // AMDGCN-NEXT:    [[TMP22:%.*]] = phi i64 [ [[TMP21]], %[[STRLEN_WHILE_DONE3]] ], [ 0, %[[STRLEN_JOIN]] ]
 165 // AMDGCN-NEXT:    [[TMP23:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[TMP12]], ptr [[TMP0]], i64 [[TMP22]], i32 0)
 166 // AMDGCN-NEXT:    [[TMP24:%.*]] = ptrtoint ptr [[TMP1]] to i64
 167 // AMDGCN-NEXT:    [[TMP25:%.*]] = call i64 @__ockl_printf_append_args(i64 [[TMP23]], i32 1, i64 [[TMP24]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1)
 168 // AMDGCN-NEXT:    [[TMP26:%.*]] = trunc i64 [[TMP25]] to i32
 169 // AMDGCN-NEXT:    ret i32 [[TMP26]]
 170 //
 171 // AMDGCNSPIRV-LABEL: define spir_func noundef i32 @_Z4foo2v(
 172 // AMDGCNSPIRV-SAME: ) addrspace(4) #[[ATTR0:[0-9]+]] {
 173 // AMDGCNSPIRV-NEXT:  [[ENTRY:.*]]:
 174 // AMDGCNSPIRV-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
 175 // AMDGCNSPIRV-NEXT:    [[RETVAL_ASCAST:%.*]] = addrspacecast ptr [[RETVAL]] to ptr addrspace(4)
 176 // AMDGCNSPIRV-NEXT:    [[TMP0:%.*]] = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @dstr to ptr addrspace(4)), align 8
 177 // AMDGCNSPIRV-NEXT:    [[TMP1:%.*]] = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @dstr to ptr addrspace(4)), align 8
 178 // AMDGCNSPIRV-NEXT:    [[TMP2:%.*]] = call addrspace(4) i64 @__ockl_printf_begin(i64 0)
 179 // AMDGCNSPIRV-NEXT:    [[TMP3:%.*]] = icmp eq ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.2 to ptr addrspace(4)), null
 180 // AMDGCNSPIRV-NEXT:    br i1 [[TMP3]], label %[[STRLEN_JOIN:.*]], label %[[STRLEN_WHILE:.*]]
 181 // AMDGCNSPIRV:       [[STRLEN_WHILE]]:
 182 // AMDGCNSPIRV-NEXT:    [[TMP4:%.*]] = phi ptr addrspace(4) [ addrspacecast (ptr addrspace(1) @.str.2 to ptr addrspace(4)), %[[ENTRY]] ], [ [[TMP5:%.*]], %[[STRLEN_WHILE]] ]
 183 // AMDGCNSPIRV-NEXT:    [[TMP5]] = getelementptr i8, ptr addrspace(4) [[TMP4]], i64 1
 184 // AMDGCNSPIRV-NEXT:    [[TMP6:%.*]] = load i8, ptr addrspace(4) [[TMP4]], align 1
 185 // AMDGCNSPIRV-NEXT:    [[TMP7:%.*]] = icmp eq i8 [[TMP6]], 0
 186 // AMDGCNSPIRV-NEXT:    br i1 [[TMP7]], label %[[STRLEN_WHILE_DONE:.*]], label %[[STRLEN_WHILE]]
 187 // AMDGCNSPIRV:       [[STRLEN_WHILE_DONE]]:
 188 // AMDGCNSPIRV-NEXT:    [[TMP8:%.*]] = ptrtoint ptr addrspace(4) [[TMP4]] to i64
 189 // AMDGCNSPIRV-NEXT:    [[TMP9:%.*]] = sub i64 [[TMP8]], ptrtoint (ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.2 to ptr addrspace(4)) to i64)
 190 // AMDGCNSPIRV-NEXT:    [[TMP10:%.*]] = add i64 [[TMP9]], 1
 191 // AMDGCNSPIRV-NEXT:    br label %[[STRLEN_JOIN]]
 192 // AMDGCNSPIRV:       [[STRLEN_JOIN]]:
 193 // AMDGCNSPIRV-NEXT:    [[TMP11:%.*]] = phi i64 [ [[TMP10]], %[[STRLEN_WHILE_DONE]] ], [ 0, %[[ENTRY]] ]
 194 // AMDGCNSPIRV-NEXT:    [[TMP12:%.*]] = call addrspace(4) i64 @__ockl_printf_append_string_n(i64 [[TMP2]], ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.2 to ptr addrspace(4)), i64 [[TMP11]], i32 0)
 195 // AMDGCNSPIRV-NEXT:    [[TMP13:%.*]] = icmp eq ptr addrspace(4) [[TMP0]], null
 196 // AMDGCNSPIRV-NEXT:    br i1 [[TMP13]], label %[[STRLEN_JOIN1:.*]], label %[[STRLEN_WHILE2:.*]]
 197 // AMDGCNSPIRV:       [[STRLEN_WHILE2]]:
 198 // AMDGCNSPIRV-NEXT:    [[TMP14:%.*]] = phi ptr addrspace(4) [ [[TMP0]], %[[STRLEN_JOIN]] ], [ [[TMP15:%.*]], %[[STRLEN_WHILE2]] ]
 199 // AMDGCNSPIRV-NEXT:    [[TMP15]] = getelementptr i8, ptr addrspace(4) [[TMP14]], i64 1
 200 // AMDGCNSPIRV-NEXT:    [[TMP16:%.*]] = load i8, ptr addrspace(4) [[TMP14]], align 1
 201 // AMDGCNSPIRV-NEXT:    [[TMP17:%.*]] = icmp eq i8 [[TMP16]], 0
 202 // AMDGCNSPIRV-NEXT:    br i1 [[TMP17]], label %[[STRLEN_WHILE_DONE3:.*]], label %[[STRLEN_WHILE2]]
 203 // AMDGCNSPIRV:       [[STRLEN_WHILE_DONE3]]:
 204 // AMDGCNSPIRV-NEXT:    [[TMP18:%.*]] = ptrtoint ptr addrspace(4) [[TMP0]] to i64
 205 // AMDGCNSPIRV-NEXT:    [[TMP19:%.*]] = ptrtoint ptr addrspace(4) [[TMP14]] to i64
 206 // AMDGCNSPIRV-NEXT:    [[TMP20:%.*]] = sub i64 [[TMP19]], [[TMP18]]
 207 // AMDGCNSPIRV-NEXT:    [[TMP21:%.*]] = add i64 [[TMP20]], 1
 208 // AMDGCNSPIRV-NEXT:    br label %[[STRLEN_JOIN1]]
 209 // AMDGCNSPIRV:       [[STRLEN_JOIN1]]:
 210 // AMDGCNSPIRV-NEXT:    [[TMP22:%.*]] = phi i64 [ [[TMP21]], %[[STRLEN_WHILE_DONE3]] ], [ 0, %[[STRLEN_JOIN]] ]
 211 // AMDGCNSPIRV-NEXT:    [[TMP23:%.*]] = call addrspace(4) i64 @__ockl_printf_append_string_n(i64 [[TMP12]], ptr addrspace(4) [[TMP0]], i64 [[TMP22]], i32 0)
 212 // AMDGCNSPIRV-NEXT:    [[TMP24:%.*]] = ptrtoint ptr addrspace(4) [[TMP1]] to i64
 213 // AMDGCNSPIRV-NEXT:    [[TMP25:%.*]] = call addrspace(4) i64 @__ockl_printf_append_args(i64 [[TMP23]], i32 1, i64 [[TMP24]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1)
 214 // AMDGCNSPIRV-NEXT:    [[TMP26:%.*]] = trunc i64 [[TMP25]] to i32
 215 // AMDGCNSPIRV-NEXT:    ret i32 [[TMP26]]
 216 //
 217 __device__ int foo2() {
 218   return printf("%s %p\n", dstr, dstr);
 219 }