1 // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED 2 // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - -fpadding-on-unsigned-fixed-point | FileCheck %s --check-prefixes=CHECK,UNSIGNED 3 4 // Between different fixed point types 5 short _Accum sa_const = 2.5hk; 6 // CHECK-DAG: @sa_const = {{.*}}global i16 320, align 2 7 _Accum a_const = 2.5hk; 8 // CHECK-DAG: @a_const = {{.*}}global i32 81920, align 4 9 short _Accum sa_const2 = 2.5k; 10 // CHECK-DAG: @sa_const2 = {{.*}}global i16 320, align 2 11 12 short _Accum sa_from_f_const = 0.5r; 13 // CHECK-DAG: sa_from_f_const = {{.*}}global i16 64, align 2 14 _Fract f_from_sa_const = 0.5hk; 15 // CHECK-DAG: f_from_sa_const = {{.*}}global i16 16384, align 2 16 17 unsigned short _Accum usa_const = 2.5uk; 18 unsigned _Accum ua_const = 2.5uhk; 19 // SIGNED-DAG: @usa_const = {{.*}}global i16 640, align 2 20 // SIGNED-DAG: @ua_const = {{.*}}global i32 163840, align 4 21 // UNSIGNED-DAG: @usa_const = {{.*}}global i16 320, align 2 22 // UNSIGNED-DAG: @ua_const = {{.*}}global i32 81920, align 4 23 24 // FixedPoint to integer 25 int i_const = -128.0hk; 26 // CHECK-DAG: @i_const = {{.*}}global i32 -128, align 4 27 int i_const2 = 128.0hk; 28 // CHECK-DAG: @i_const2 = {{.*}}global i32 128, align 4 29 int i_const3 = -128.0k; 30 // CHECK-DAG: @i_const3 = {{.*}}global i32 -128, align 4 31 int i_const4 = 128.0k; 32 // CHECK-DAG: @i_const4 = {{.*}}global i32 128, align 4 33 short s_const = -128.0k; 34 // CHECK-DAG: @s_const = {{.*}}global i16 -128, align 2 35 short s_const2 = 128.0k; 36 // CHECK-DAG: @s_const2 = {{.*}}global i16 128, align 2 37 38 // Integer to fixed point 39 short _Accum sa_const5 = 2; 40 // CHECK-DAG: @sa_const5 = {{.*}}global i16 256, align 2 41 short _Accum sa_const6 = -2; 42 // CHECK-DAG: @sa_const6 = {{.*}}global i16 -256, align 2 43 short _Accum sa_const7 = -256; 44 // CHECK-DAG: @sa_const7 = {{.*}}global i16 -32768, align 2 45 46 // Fixed point to floating point 47 float fl_const = 1.0hk; 48 // CHECK-DAG: @fl_const = {{.*}}global float 1.000000e+00, align 4 49 float fl_const2 = -128.0k; 50 // CHECK-DAG: @fl_const2 = {{.*}}global float -1.280000e+02, align 4 51 float fl_const3 = 0.0872802734375k; 52 // CHECK-DAG: @fl_const3 = {{.*}}global float 0x3FB6580000000000, align 4 53 float fl_const4 = 192.5k; 54 // CHECK-DAG: @fl_const4 = {{.*}}global float 1.925000e+02, align 4 55 float fl_const5 = -192.5k; 56 // CHECK-DAG: @fl_const5 = {{.*}}global float -1.925000e+02, align 4 57 58 // Floating point to fixed point 59 _Accum a_fl_const = 1.0f; 60 // CHECK-DAG: @a_fl_const = {{.*}}global i32 32768, align 4 61 _Accum a_fl_const2 = -128.0f; 62 // CHECK-DAG: @a_fl_const2 = {{.*}}global i32 -4194304, align 4 63 _Accum a_fl_const3 = 0.0872802734375f; 64 // CHECK-DAG: @a_fl_const3 = {{.*}}global i32 2860, align 4 65 _Accum a_fl_const4 = 0.0872802734375; 66 // CHECK-DAG: @a_fl_const4 = {{.*}}global i32 2860, align 4 67 _Accum a_fl_const5 = -0.0872802734375f; 68 // CHECK-DAG: @a_fl_const5 = {{.*}}global i32 -2860, align 4 69 _Fract f_fl_const = 0.5f; 70 // CHECK-DAG: @f_fl_const = {{.*}}global i16 16384, align 2 71 _Fract f_fl_const2 = -0.75; 72 // CHECK-DAG: @f_fl_const2 = {{.*}}global i16 -24576, align 2 73 unsigned short _Accum usa_fl_const = 48.75f; 74 // SIGNED-DAG: @usa_fl_const = {{.*}}global i16 12480, align 2 75 // UNSIGNED-DAG: @usa_fl_const = {{.*}}global i16 6240, align 2 76 77 // Signedness 78 unsigned short _Accum usa_const2 = 2.5hk; 79 // SIGNED-DAG: @usa_const2 = {{.*}}global i16 640, align 2 80 // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 320, align 2 81 short _Accum sa_const3 = 2.5hk; 82 // CHECK-DAG: @sa_const3 = {{.*}}global i16 320, align 2 83 84 int i_const5 = 128.0uhk; 85 unsigned int ui_const = 128.0hk; 86 // CHECK-DAG: @i_const5 = {{.*}}global i32 128, align 4 87 // CHECK-DAG: @ui_const = {{.*}}global i32 128, align 4 88 89 short _Accum sa_const9 = 2u; 90 // CHECK-DAG: @sa_const9 = {{.*}}global i16 256, align 2 91 unsigned short _Accum usa_const3 = 2; 92 // SIGNED-DAG: @usa_const3 = {{.*}}global i16 512, align 2 93 // UNSIGNED-DAG: @usa_const3 = {{.*}}global i16 256, align 2 94 95 // Overflow (this is undefined but allowed) 96 short _Accum sa_const4 = 256.0k; 97 unsigned int ui_const2 = -2.5hk; 98 short _Accum sa_const8 = 256; 99 unsigned short _Accum usa_const4 = -2; 100 101 // Saturation 102 _Sat short _Accum sat_sa_const = 2.5hk; 103 // CHECK-DAG: @sat_sa_const = {{.*}}global i16 320, align 2 104 _Sat short _Accum sat_sa_const2 = 256.0k; 105 // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 106 _Sat unsigned short _Accum sat_usa_const = -1.0hk; 107 // CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 108 _Sat unsigned short _Accum sat_usa_const2 = 256.0k; 109 // SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 110 // UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 111 112 _Sat short _Accum sat_sa_const3 = 256; 113 // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 32767, align 2 114 _Sat short _Accum sat_sa_const4 = -257; 115 // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 116 _Sat unsigned short _Accum sat_usa_const3 = -1; 117 // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 118 _Sat unsigned short _Accum sat_usa_const4 = 256; 119 // SIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 -1, align 2 120 // UNSIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 32767, align 2 121