1 // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED 2 // 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,UNSIGNED 3 4 // Subtraction between different fixed point types 5 short _Accum sa_const = 1.0hk - 2.0hk; 6 // CHECK-DAG: @sa_const = {{.*}}global i16 -128, align 2 7 _Accum a_const = 1.0hk - 2.0k; 8 // CHECK-DAG: @a_const = {{.*}}global i32 -32768, align 4 9 long _Accum la_const = 1.0hk - 2.0lk; 10 // CHECK-DAG: @la_const = {{.*}}global i64 -2147483648, align 8 11 short _Accum sa_const2 = 0.5hr - 2.0hk; 12 // CHECK-DAG: @sa_const2 = {{.*}}global i16 -192, align 2 13 short _Accum sa_const3 = 0.5r - 2.0hk; 14 // CHECK-DAG: @sa_const3 = {{.*}}global i16 -192, align 2 15 short _Accum sa_const4 = 0.5lr - 2.0hk; 16 // CHECK-DAG: @sa_const4 = {{.*}}global i16 -192, align 2 17 short _Accum sa_const5 = 2.0hk - 0.5lr; 18 // CHECK-DAG: @sa_const5 = {{.*}}global i16 192, align 2 19 20 // Unsigned subtraction 21 unsigned short _Accum usa_const = 3.0uhk - 2.0uhk; 22 // SIGNED-DAG: @usa_const = {{.*}}global i16 256, align 2 23 // UNSIGNED-DAG: @usa_const = {{.*}}global i16 128, align 2 24 25 // Unsigned - signed 26 short _Accum sa_const6 = 1.0uhk - 2.0hk; 27 // CHECK-DAG: @sa_const6 = {{.*}}global i16 -128, align 2 28 29 // Subtraction with negative number 30 short _Accum sa_const7 = 0.5hr - (-2.0hk); 31 // CHECK-DAG: @sa_const7 = {{.*}}global i16 320, align 2 32 33 // Int subtraction 34 unsigned short _Accum usa_const2 = 2 - 0.5uhk; 35 // SIGNED-DAG: @usa_const2 = {{.*}}global i16 384, align 2 36 // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 192, align 2 37 short _Accum sa_const8 = 2 - (-0.5hk); 38 // CHECK-DAG: @sa_const8 = {{.*}}global i16 320, align 2 39 short _Accum sa_const9 = 257 - 2.0hk; 40 // CHECK-DAG: @sa_const9 = {{.*}}global i16 32640, align 2 41 long _Fract lf_const = 0.5lr - 1; 42 // CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 4 43 44 // Saturated subtraction 45 _Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk - (-128.0hk); 46 // CHECK-DAG: @sat_sa_const = {{.*}}global i16 32767, align 2 47 _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 2 49 _Sat short _Accum sat_sa_const2 = (_Sat short _Accum)128.0hk - (-128); 50 // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 51 _Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk - (-128); 52 // SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 53 // UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 54 _Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk - 2; 55 // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 56 _Sat short _Accum sat_sa_const3 = (_Sat short _Accum)-128.0hk - 128; 57 // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 -32768, align 2 58 _Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-150.0hk - 130.0lk; 59 // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 60