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 // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,SIGNED 5 // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -fpadding-on-unsigned-fixed-point -emit-llvm %s -o - -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,UNSIGNED 6 7 // Division between different fixed point types 8 short _Accum sa_const = 1.0hk / 2.0hk; 9 // CHECK-DAG: @sa_const = {{.*}}global i16 64, align 2 10 _Accum a_const = 1.0hk / 2.0k; 11 // CHECK-DAG: @a_const = {{.*}}global i32 16384, align 4 12 long _Accum la_const = 1.0hk / 2.0lk; 13 // CHECK-DAG: @la_const = {{.*}}global i64 1073741824, align 8 14 short _Accum sa_const2 = 0.5hr / 2.0hk; 15 // CHECK-DAG: @sa_const2 = {{.*}}global i16 32, align 2 16 short _Accum sa_const3 = 0.5r / 2.0hk; 17 // CHECK-DAG: @sa_const3 = {{.*}}global i16 32, align 2 18 short _Accum sa_const4 = 0.5lr / 2.0hk; 19 // CHECK-DAG: @sa_const4 = {{.*}}global i16 32, align 2 20 short _Accum sa_const5 = 2.0hk / 0.5lr; 21 // CHECK-DAG: @sa_const5 = {{.*}}global i16 512, align 2 22 23 // Unsigned division 24 unsigned short _Accum usa_const = 3.0uhk / 2.0uhk; 25 // SIGNED-DAG: @usa_const = {{.*}}global i16 384, align 2 26 // UNSIGNED-DAG: @usa_const = {{.*}}global i16 192, align 2 27 28 // Unsigned / signed 29 short _Accum sa_const6 = 1.0uhk / 2.0hk; 30 // CHECK-DAG: @sa_const6 = {{.*}}global i16 64, align 2 31 32 // Division with negative number 33 short _Accum sa_const7 = 0.5hr / (-2.0hk); 34 // CHECK-DAG: @sa_const7 = {{.*}}global i16 -32, align 2 35 36 // Int division 37 unsigned short _Accum usa_const2 = 2 / 0.5uhk; 38 // SIGNED-DAG: @usa_const2 = {{.*}}global i16 1024, align 2 39 // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 512, align 2 40 short _Accum sa_const8 = 2 / (-0.5hk); 41 // CHECK-DAG: @sa_const8 = {{.*}}global i16 -512, align 2 42 short _Accum sa_const9 = 256 / 2.0hk; 43 // CHECK-DAG: @sa_const9 = {{.*}}global i16 16384, align 2 44 long _Fract lf_const = 0.5lr / -1; 45 // CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 4 46 47 // Saturated division 48 _Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk / (-0.25hk); 49 // CHECK-DAG: @sat_sa_const = {{.*}}global i16 -32768, align 2 50 _Sat unsigned short _Accum sat_usa_const = (_Sat unsigned short _Accum)128.0uhk / (0.25uhk); 51 // SIGNED-DAG: @sat_usa_const = {{.*}}global i16 -1, align 2 52 // UNSIGNED-DAG: @sat_usa_const = {{.*}}global i16 32767, align 2 53 _Sat short _Accum sat_sa_const2 = (_Sat short _Accum)-128.0hk / (-0.0125hr); 54 // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 55 _Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk / (-128); 56 // CHECK-DAG: @sat_usa_const2 = {{.*}}global i16 0, align 2 57 _Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk / -1; 58 // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 59 _Sat short _Accum sat_sa_const3 = (_Sat short _Accum)-128.0hk / 128; 60 // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 -128, align 2 61 _Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-25.7hk / 0.1lk; 62 // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 63 64 // Some more cases 65 short _Accum sa_const10 = 255.9921875hk / 255.9921875hk; 66 // CHECK-DAG: @sa_const10 = {{.*}}global i16 128, align 2 67 short _Accum sat_sa_const5 = (_Sat short _Accum)(-255.0hk - 1.0hk) / 0.0078125hk; 68 // CHECK-DAG: @sat_sa_const5 = {{.*}}global i16 -32768, align 2 69 _Sat short _Accum sat_sa_const6 = (_Sat short _Accum)(-255.0hk - 1.0hk) / -0.0078125hk; 70 // CHECK-DAG: @sat_sa_const6 = {{.*}}global i16 32767, align 2 71 short _Accum sa_const12 = 255.9921875hk / -1.0hk; 72 // CHECK-DAG: @sa_const12 = {{.*}}global i16 -32767, align 2 73 _Sat short _Accum sat_sa_const7 = (_Sat short _Accum)(-255.0hk - 1.0hk) / -1.0hk; 74 // CHECK-DAG: @sat_sa_const7 = {{.*}}global i16 32767, align 2 75 short _Accum sa_const13 = 0.0234375hk / 2.0hk; 76 // CHECK-DAG: @sa_const13 = {{.*}}global i16 1, align 2 77 short _Accum sa_const14 = -0.0234375hk / 2.0hk; 78 // CHECK-DAG: @sa_const14 = {{.*}}global i16 -2, align 2 79 short _Accum sa_const15 = -0.0078125hk / 255.28125hk; 80 // CHECK-DAG: @sa_const15 = {{.*}}global i16 -1, align 2 81