clang/test/CodeGen/renderscript.c

   1 // RUN: %clang_cc1 %s -triple=renderscript32-none-linux-gnueabi -emit-llvm -o - -Werror | FileCheck %s -check-prefix=CHECK-RS32
   2 // RUN: %clang_cc1 %s -triple=renderscript64-none-linux-android -emit-llvm -o - -Werror | FileCheck %s -check-prefix=CHECK-RS64
   3 // RUN: %clang_cc1 %s -triple=armv7-none-linux-gnueabi -emit-llvm -o - -Werror | FileCheck %s -check-prefix=CHECK-ARM
   4
   5 // Ensure that the bitcode has the correct triple
   6 // CHECK-RS32: target triple = "armv7-none-linux-gnueabi"
   7 // CHECK-RS64: target triple = "aarch64-none-linux-android"
   8 // CHECK-ARM: target triple = "armv7-none-linux-gnueabi"
   9
  10 // Ensure that long data type has 8-byte size and alignment in RenderScript
  11 #ifdef __RENDERSCRIPT__
  12 #define LONG_WIDTH_AND_ALIGN 8
  13 #else
  14 #define LONG_WIDTH_AND_ALIGN 4
  15 #endif
  16
  17 _Static_assert(sizeof(long) == LONG_WIDTH_AND_ALIGN, "sizeof long is wrong");
  18 _Static_assert(_Alignof(long) == LONG_WIDTH_AND_ALIGN, "sizeof long is wrong");
  19
  20 // CHECK-RS32: i64 @test_long(i64 noundef %v)
  21 // CHECK-RS64: i64 @test_long(i64 noundef %v)
  22 // CHECK-ARM: i32 @test_long(i32 noundef %v)
  23 long test_long(long v) {
  24   return v + 1;
  25 }
  26
  27 // =============================================================================
  28 // Test coercion of aggregate argument or return value into integer arrays
  29 // =============================================================================
  30
  31 // =============================================================================
  32 // aggregate parameter <= 4 bytes: coerced to [a x iNN] for both 32-bit and
  33 // 64-bit RenderScript
  34 // ==============================================================================
  35
  36 typedef struct {char c1, c2, c3; } sChar3;
  37 typedef struct {short s; char c;} sShortChar;
  38
  39 // CHECK-RS32: void @argChar3([3 x i8] %s.coerce)
  40 // CHECK-RS64: void @argChar3([3 x i8] %s.coerce)
  41 void argChar3(sChar3 s) {}
  42
  43 // CHECK-RS32: void @argShortChar([2 x i16] %s.coerce)
  44 // CHECK-RS64: void @argShortChar([2 x i16] %s.coerce)
  45 void argShortChar(sShortChar s) {}
  46
  47 // =============================================================================
  48 // aggregate return value <= 4 bytes: coerced to [a x iNN] for both 32-bit and
  49 // 64-bit RenderScript
  50 // =============================================================================
  51
  52 // CHECK-RS32: [3 x i8] @retChar3()
  53 // CHECK-RS64: [3 x i8] @retChar3()
  54 sChar3 retChar3(void) { sChar3 r; return r; }
  55
  56 // CHECK-RS32: [2 x i16] @retShortChar()
  57 // CHECK-RS64: [2 x i16] @retShortChar()
  58 sShortChar retShortChar(void) { sShortChar r; return r; }
  59
  60 // =============================================================================
  61 // aggregate parameter <= 16 bytes: coerced to [a x iNN] for both 32-bit and
  62 // 64-bit RenderScript
  63 // =============================================================================
  64
  65 typedef struct {short s1; char c; short s2; } sShortCharShort;
  66 typedef struct {int i; short s; char c; } sIntShortChar;
  67 typedef struct {long l; int i; } sLongInt;
  68
  69 // CHECK-RS32: void @argShortCharShort([3 x i16] %s.coerce)
  70 // CHECK-RS64: void @argShortCharShort([3 x i16] %s.coerce)
  71 void argShortCharShort(sShortCharShort s) {}
  72
  73 // CHECK-RS32: void @argIntShortChar([2 x i32] %s.coerce)
  74 // CHECK-RS64: void @argIntShortChar([2 x i32] %s.coerce)
  75 void argIntShortChar(sIntShortChar s) {}
  76
  77 // CHECK-RS32: void @argLongInt([2 x i64] %s.coerce)
  78 // CHECK-RS64: void @argLongInt([2 x i64] %s.coerce)
  79 void argLongInt(sLongInt s) {}
  80
  81 // =============================================================================
  82 // aggregate return value <= 16 bytes: returned on stack for 32-bit RenderScript
  83 // and coerced to [a x iNN] for 64-bit RenderScript
  84 // =============================================================================
  85
  86 // CHECK-RS32: void @retShortCharShort(ptr noalias sret(%struct.sShortCharShort) align 2 %agg.result)
  87 // CHECK-RS64: [3 x i16] @retShortCharShort()
  88 sShortCharShort retShortCharShort(void) { sShortCharShort r; return r; }
  89
  90 // CHECK-RS32: void @retIntShortChar(ptr noalias sret(%struct.sIntShortChar) align 4 %agg.result)
  91 // CHECK-RS64: [2 x i32] @retIntShortChar()
  92 sIntShortChar retIntShortChar(void) { sIntShortChar r; return r; }
  93
  94 // CHECK-RS32: void @retLongInt(ptr noalias sret(%struct.sLongInt) align 8 %agg.result)
  95 // CHECK-RS64: [2 x i64] @retLongInt()
  96 sLongInt retLongInt(void) { sLongInt r; return r; }
  97
  98 // =============================================================================
  99 // aggregate parameter <= 64 bytes: coerced to [a x iNN] for 32-bit RenderScript
 100 // and passed on the stack for 64-bit RenderScript
 101 // =============================================================================
 102
 103 typedef struct {int i1, i2, i3, i4, i5; } sInt5;
 104 typedef struct {long l1, l2; char c; } sLong2Char;
 105
 106 // CHECK-RS32: void @argInt5([5 x i32] %s.coerce)
 107 // CHECK-RS64: void @argInt5(ptr noundef %s)
 108 void argInt5(sInt5 s) {}
 109
 110 // CHECK-RS32: void @argLong2Char([3 x i64] %s.coerce)
 111 // CHECK-RS64: void @argLong2Char(ptr noundef %s)
 112 void argLong2Char(sLong2Char s) {}
 113
 114 // =============================================================================
 115 // aggregate return value <= 64 bytes: returned on stack for both 32-bit and
 116 // 64-bit RenderScript
 117 // =============================================================================
 118
 119 // CHECK-RS32: void @retInt5(ptr noalias sret(%struct.sInt5) align 4 %agg.result)
 120 // CHECK-RS64: void @retInt5(ptr noalias sret(%struct.sInt5) align 4 %agg.result)
 121 sInt5 retInt5(void) { sInt5 r; return r;}
 122
 123 // CHECK-RS32: void @retLong2Char(ptr noalias sret(%struct.sLong2Char) align 8 %agg.result)
 124 // CHECK-RS64: void @retLong2Char(ptr noalias sret(%struct.sLong2Char) align 8 %agg.result)
 125 sLong2Char retLong2Char(void) { sLong2Char r; return r;}
 126
 127 // =============================================================================
 128 // aggregate parameters and return values > 64 bytes: passed and returned on the
 129 // stack for both 32-bit and 64-bit RenderScript
 130 // =============================================================================
 131
 132 typedef struct {long l1, l2, l3, l4, l5, l6, l7, l8, l9; } sLong9;
 133
 134 // CHECK-RS32: void @argLong9(ptr noundef byval(%struct.sLong9) align 8 %s)
 135 // CHECK-RS64: void @argLong9(ptr noundef %s)
 136 void argLong9(sLong9 s) {}
 137
 138 // CHECK-RS32: void @retLong9(ptr noalias sret(%struct.sLong9) align 8 %agg.result)
 139 // CHECK-RS64: void @retLong9(ptr noalias sret(%struct.sLong9) align 8 %agg.result)
 140 sLong9 retLong9(void) { sLong9 r; return r; }