60 lines · c
1// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED2// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -fpadding-on-unsigned-fixed-point -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,UNSIGNED3 4// Subtraction between different fixed point types5short _Accum sa_const = 1.0hk - 2.0hk;6// CHECK-DAG: @sa_const = {{.*}}global i16 -128, align 27_Accum a_const = 1.0hk - 2.0k;8// CHECK-DAG: @a_const = {{.*}}global i32 -32768, align 49long _Accum la_const = 1.0hk - 2.0lk;10// CHECK-DAG: @la_const = {{.*}}global i64 -2147483648, align 811short _Accum sa_const2 = 0.5hr - 2.0hk;12// CHECK-DAG: @sa_const2 = {{.*}}global i16 -192, align 213short _Accum sa_const3 = 0.5r - 2.0hk;14// CHECK-DAG: @sa_const3 = {{.*}}global i16 -192, align 215short _Accum sa_const4 = 0.5lr - 2.0hk;16// CHECK-DAG: @sa_const4 = {{.*}}global i16 -192, align 217short _Accum sa_const5 = 2.0hk - 0.5lr;18// CHECK-DAG: @sa_const5 = {{.*}}global i16 192, align 219 20// Unsigned subtraction21unsigned short _Accum usa_const = 3.0uhk - 2.0uhk;22// SIGNED-DAG: @usa_const = {{.*}}global i16 256, align 223// UNSIGNED-DAG: @usa_const = {{.*}}global i16 128, align 224 25// Unsigned - signed26short _Accum sa_const6 = 1.0uhk - 2.0hk;27// CHECK-DAG: @sa_const6 = {{.*}}global i16 -128, align 228 29// Subtraction with negative number30short _Accum sa_const7 = 0.5hr - (-2.0hk);31// CHECK-DAG: @sa_const7 = {{.*}}global i16 320, align 232 33// Int subtraction34unsigned short _Accum usa_const2 = 2 - 0.5uhk;35// SIGNED-DAG: @usa_const2 = {{.*}}global i16 384, align 236// UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 192, align 237short _Accum sa_const8 = 2 - (-0.5hk);38// CHECK-DAG: @sa_const8 = {{.*}}global i16 320, align 239short _Accum sa_const9 = 257 - 2.0hk;40// CHECK-DAG: @sa_const9 = {{.*}}global i16 32640, align 241long _Fract lf_const = 0.5lr - 1;42// CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 443 44// Saturated subtraction45_Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk - (-128.0hk);46// CHECK-DAG: @sat_sa_const = {{.*}}global i16 32767, align 247_Sat unsigned short _Accum sat_usa_const = (_Sat unsigned short _Accum)128.0uhk - (-128.0uhk);48// CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 249_Sat short _Accum sat_sa_const2 = (_Sat short _Accum)128.0hk - (-128);50// CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 251_Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk - (-128);52// SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 253// UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 254_Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk - 2;55// CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 256_Sat short _Accum sat_sa_const3 = (_Sat short _Accum)-128.0hk - 128;57// CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 -32768, align 258_Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-150.0hk - 130.0lk;59// CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 260