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 // Division between different fixed point types 5 short _Accum sa_const = 1.0hk / 2.0hk; 6 // CHECK-DAG: @sa_const = {{.*}}global i16 64, align 2 7 _Accum a_const = 1.0hk / 2.0k; 8 // CHECK-DAG: @a_const = {{.*}}global i32 16384, align 4 9 long _Accum la_const = 1.0hk / 2.0lk; 10 // CHECK-DAG: @la_const = {{.*}}global i64 1073741824, align 8 11 short _Accum sa_const2 = 0.5hr / 2.0hk; 12 // CHECK-DAG: @sa_const2 = {{.*}}global i16 32, align 2 13 short _Accum sa_const3 = 0.5r / 2.0hk; 14 // CHECK-DAG: @sa_const3 = {{.*}}global i16 32, align 2 15 short _Accum sa_const4 = 0.5lr / 2.0hk; 16 // CHECK-DAG: @sa_const4 = {{.*}}global i16 32, align 2 17 short _Accum sa_const5 = 2.0hk / 0.5lr; 18 // CHECK-DAG: @sa_const5 = {{.*}}global i16 512, align 2 19 20 // Unsigned division 21 unsigned short _Accum usa_const = 3.0uhk / 2.0uhk; 22 // SIGNED-DAG: @usa_const = {{.*}}global i16 384, align 2 23 // UNSIGNED-DAG: @usa_const = {{.*}}global i16 192, align 2 24 25 // Unsigned / signed 26 short _Accum sa_const6 = 1.0uhk / 2.0hk; 27 // CHECK-DAG: @sa_const6 = {{.*}}global i16 64, align 2 28 29 // Division with negative number 30 short _Accum sa_const7 = 0.5hr / (-2.0hk); 31 // CHECK-DAG: @sa_const7 = {{.*}}global i16 -32, align 2 32 33 // Int division 34 unsigned short _Accum usa_const2 = 2 / 0.5uhk; 35 // SIGNED-DAG: @usa_const2 = {{.*}}global i16 1024, align 2 36 // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 512, align 2 37 short _Accum sa_const8 = 2 / (-0.5hk); 38 // CHECK-DAG: @sa_const8 = {{.*}}global i16 -512, align 2 39 short _Accum sa_const9 = 256 / 2.0hk; 40 // CHECK-DAG: @sa_const9 = {{.*}}global i16 16384, align 2 41 long _Fract lf_const = 0.5lr / -1; 42 // CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 4 43 44 // Saturated division 45 _Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk / (-0.25hk); 46 // CHECK-DAG: @sat_sa_const = {{.*}}global i16 -32768, align 2 47 _Sat unsigned short _Accum sat_usa_const = (_Sat unsigned short _Accum)128.0uhk / (0.25uhk); 48 // SIGNED-DAG: @sat_usa_const = {{.*}}global i16 -1, align 2 49 // UNSIGNED-DAG: @sat_usa_const = {{.*}}global i16 32767, align 2 50 _Sat short _Accum sat_sa_const2 = (_Sat short _Accum)-128.0hk / (-0.0125hr); 51 // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 52 _Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk / (-128); 53 // CHECK-DAG: @sat_usa_const2 = {{.*}}global i16 0, align 2 54 _Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk / -1; 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 -128, align 2 58 _Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-25.7hk / 0.1lk; 59 // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 60 61 // Some more cases 62 short _Accum sa_const10 = 255.9921875hk / 255.9921875hk; 63 // CHECK-DAG: @sa_const10 = {{.*}}global i16 128, align 2 64 short _Accum sat_sa_const5 = (_Sat short _Accum)(-255.0hk - 1.0hk) / 0.0078125hk; 65 // CHECK-DAG: @sat_sa_const5 = {{.*}}global i16 -32768, align 2 66 _Sat short _Accum sat_sa_const6 = (_Sat short _Accum)(-255.0hk - 1.0hk) / -0.0078125hk; 67 // CHECK-DAG: @sat_sa_const6 = {{.*}}global i16 32767, align 2 68 short _Accum sa_const12 = 255.9921875hk / -1.0hk; 69 // CHECK-DAG: @sa_const12 = {{.*}}global i16 -32767, align 2 70 _Sat short _Accum sat_sa_const7 = (_Sat short _Accum)(-255.0hk - 1.0hk) / -1.0hk; 71 // CHECK-DAG: @sat_sa_const7 = {{.*}}global i16 32767, align 2 72 short _Accum sa_const13 = 0.0234375hk / 2.0hk; 73 // CHECK-DAG: @sa_const13 = {{.*}}global i16 1, align 2 74 short _Accum sa_const14 = -0.0234375hk / 2.0hk; 75 // CHECK-DAG: @sa_const14 = {{.*}}global i16 -2, align 2 76 short _Accum sa_const15 = -0.0078125hk / 255.28125hk; 77 // CHECK-DAG: @sa_const15 = {{.*}}global i16 -1, align 2 78