| // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED |
| // 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 |
| |
| // Between different fixed point types |
| short _Accum sa_const = 2.5hk; |
| // CHECK-DAG: @sa_const = {{.*}}global i16 320, align 2 |
| _Accum a_const = 2.5hk; |
| // CHECK-DAG: @a_const = {{.*}}global i32 81920, align 4 |
| short _Accum sa_const2 = 2.5k; |
| // CHECK-DAG: @sa_const2 = {{.*}}global i16 320, align 2 |
| |
| short _Accum sa_from_f_const = 0.5r; |
| // CHECK-DAG: sa_from_f_const = {{.*}}global i16 64, align 2 |
| _Fract f_from_sa_const = 0.5hk; |
| // CHECK-DAG: f_from_sa_const = {{.*}}global i16 16384, align 2 |
| |
| unsigned short _Accum usa_const = 2.5uk; |
| unsigned _Accum ua_const = 2.5uhk; |
| // SIGNED-DAG: @usa_const = {{.*}}global i16 640, align 2 |
| // SIGNED-DAG: @ua_const = {{.*}}global i32 163840, align 4 |
| // UNSIGNED-DAG: @usa_const = {{.*}}global i16 320, align 2 |
| // UNSIGNED-DAG: @ua_const = {{.*}}global i32 81920, align 4 |
| |
| // FixedPoint to integer |
| int i_const = -128.0hk; |
| // CHECK-DAG: @i_const = {{.*}}global i32 -128, align 4 |
| int i_const2 = 128.0hk; |
| // CHECK-DAG: @i_const2 = {{.*}}global i32 128, align 4 |
| int i_const3 = -128.0k; |
| // CHECK-DAG: @i_const3 = {{.*}}global i32 -128, align 4 |
| int i_const4 = 128.0k; |
| // CHECK-DAG: @i_const4 = {{.*}}global i32 128, align 4 |
| short s_const = -128.0k; |
| // CHECK-DAG: @s_const = {{.*}}global i16 -128, align 2 |
| short s_const2 = 128.0k; |
| // CHECK-DAG: @s_const2 = {{.*}}global i16 128, align 2 |
| |
| // Integer to fixed point |
| short _Accum sa_const5 = 2; |
| // CHECK-DAG: @sa_const5 = {{.*}}global i16 256, align 2 |
| short _Accum sa_const6 = -2; |
| // CHECK-DAG: @sa_const6 = {{.*}}global i16 -256, align 2 |
| short _Accum sa_const7 = -256; |
| // CHECK-DAG: @sa_const7 = {{.*}}global i16 -32768, align 2 |
| |
| // Fixed point to floating point |
| float fl_const = 1.0hk; |
| // CHECK-DAG: @fl_const = {{.*}}global float 1.000000e+00, align 4 |
| float fl_const2 = -128.0k; |
| // CHECK-DAG: @fl_const2 = {{.*}}global float -1.280000e+02, align 4 |
| float fl_const3 = 0.0872802734375k; |
| // CHECK-DAG: @fl_const3 = {{.*}}global float 0x3FB6580000000000, align 4 |
| float fl_const4 = 192.5k; |
| // CHECK-DAG: @fl_const4 = {{.*}}global float 1.925000e+02, align 4 |
| float fl_const5 = -192.5k; |
| // CHECK-DAG: @fl_const5 = {{.*}}global float -1.925000e+02, align 4 |
| |
| // Floating point to fixed point |
| _Accum a_fl_const = 1.0f; |
| // CHECK-DAG: @a_fl_const = {{.*}}global i32 32768, align 4 |
| _Accum a_fl_const2 = -128.0f; |
| // CHECK-DAG: @a_fl_const2 = {{.*}}global i32 -4194304, align 4 |
| _Accum a_fl_const3 = 0.0872802734375f; |
| // CHECK-DAG: @a_fl_const3 = {{.*}}global i32 2860, align 4 |
| _Accum a_fl_const4 = 0.0872802734375; |
| // CHECK-DAG: @a_fl_const4 = {{.*}}global i32 2860, align 4 |
| _Accum a_fl_const5 = -0.0872802734375f; |
| // CHECK-DAG: @a_fl_const5 = {{.*}}global i32 -2860, align 4 |
| _Fract f_fl_const = 0.5f; |
| // CHECK-DAG: @f_fl_const = {{.*}}global i16 16384, align 2 |
| _Fract f_fl_const2 = -0.75; |
| // CHECK-DAG: @f_fl_const2 = {{.*}}global i16 -24576, align 2 |
| unsigned short _Accum usa_fl_const = 48.75f; |
| // SIGNED-DAG: @usa_fl_const = {{.*}}global i16 12480, align 2 |
| // UNSIGNED-DAG: @usa_fl_const = {{.*}}global i16 6240, align 2 |
| |
| // Signedness |
| unsigned short _Accum usa_const2 = 2.5hk; |
| // SIGNED-DAG: @usa_const2 = {{.*}}global i16 640, align 2 |
| // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 320, align 2 |
| short _Accum sa_const3 = 2.5hk; |
| // CHECK-DAG: @sa_const3 = {{.*}}global i16 320, align 2 |
| |
| int i_const5 = 128.0uhk; |
| unsigned int ui_const = 128.0hk; |
| // CHECK-DAG: @i_const5 = {{.*}}global i32 128, align 4 |
| // CHECK-DAG: @ui_const = {{.*}}global i32 128, align 4 |
| |
| short _Accum sa_const9 = 2u; |
| // CHECK-DAG: @sa_const9 = {{.*}}global i16 256, align 2 |
| unsigned short _Accum usa_const3 = 2; |
| // SIGNED-DAG: @usa_const3 = {{.*}}global i16 512, align 2 |
| // UNSIGNED-DAG: @usa_const3 = {{.*}}global i16 256, align 2 |
| |
| // Overflow (this is undefined but allowed) |
| short _Accum sa_const4 = 256.0k; |
| unsigned int ui_const2 = -2.5hk; |
| short _Accum sa_const8 = 256; |
| unsigned short _Accum usa_const4 = -2; |
| |
| // Saturation |
| _Sat short _Accum sat_sa_const = 2.5hk; |
| // CHECK-DAG: @sat_sa_const = {{.*}}global i16 320, align 2 |
| _Sat short _Accum sat_sa_const2 = 256.0k; |
| // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 |
| _Sat unsigned short _Accum sat_usa_const = -1.0hk; |
| // CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 |
| _Sat unsigned short _Accum sat_usa_const2 = 256.0k; |
| // SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 |
| // UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 |
| |
| _Sat short _Accum sat_sa_const3 = 256; |
| // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 32767, align 2 |
| _Sat short _Accum sat_sa_const4 = -257; |
| // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 |
| _Sat unsigned short _Accum sat_usa_const3 = -1; |
| // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 |
| _Sat unsigned short _Accum sat_usa_const4 = 256; |
| // SIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 -1, align 2 |
| // UNSIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 32767, align 2 |
