1*c5de4dd1SFangrui Song // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED 2*c5de4dd1SFangrui Song // 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 344ebc2c8SBevin Hansson 444ebc2c8SBevin Hansson // Subtraction between different fixed point types 544ebc2c8SBevin Hansson short _Accum sa_const = 1.0hk - 2.0hk; 644ebc2c8SBevin Hansson // CHECK-DAG: @sa_const = {{.*}}global i16 -128, align 2 744ebc2c8SBevin Hansson _Accum a_const = 1.0hk - 2.0k; 844ebc2c8SBevin Hansson // CHECK-DAG: @a_const = {{.*}}global i32 -32768, align 4 944ebc2c8SBevin Hansson long _Accum la_const = 1.0hk - 2.0lk; 1044ebc2c8SBevin Hansson // CHECK-DAG: @la_const = {{.*}}global i64 -2147483648, align 8 1144ebc2c8SBevin Hansson short _Accum sa_const2 = 0.5hr - 2.0hk; 1244ebc2c8SBevin Hansson // CHECK-DAG: @sa_const2 = {{.*}}global i16 -192, align 2 1344ebc2c8SBevin Hansson short _Accum sa_const3 = 0.5r - 2.0hk; 1444ebc2c8SBevin Hansson // CHECK-DAG: @sa_const3 = {{.*}}global i16 -192, align 2 1544ebc2c8SBevin Hansson short _Accum sa_const4 = 0.5lr - 2.0hk; 1644ebc2c8SBevin Hansson // CHECK-DAG: @sa_const4 = {{.*}}global i16 -192, align 2 1744ebc2c8SBevin Hansson short _Accum sa_const5 = 2.0hk - 0.5lr; 1844ebc2c8SBevin Hansson // CHECK-DAG: @sa_const5 = {{.*}}global i16 192, align 2 1944ebc2c8SBevin Hansson 2044ebc2c8SBevin Hansson // Unsigned subtraction 2144ebc2c8SBevin Hansson unsigned short _Accum usa_const = 3.0uhk - 2.0uhk; 2244ebc2c8SBevin Hansson // SIGNED-DAG: @usa_const = {{.*}}global i16 256, align 2 2344ebc2c8SBevin Hansson // UNSIGNED-DAG: @usa_const = {{.*}}global i16 128, align 2 2444ebc2c8SBevin Hansson 2544ebc2c8SBevin Hansson // Unsigned - signed 2644ebc2c8SBevin Hansson short _Accum sa_const6 = 1.0uhk - 2.0hk; 2744ebc2c8SBevin Hansson // CHECK-DAG: @sa_const6 = {{.*}}global i16 -128, align 2 2844ebc2c8SBevin Hansson 2944ebc2c8SBevin Hansson // Subtraction with negative number 3044ebc2c8SBevin Hansson short _Accum sa_const7 = 0.5hr - (-2.0hk); 3144ebc2c8SBevin Hansson // CHECK-DAG: @sa_const7 = {{.*}}global i16 320, align 2 3244ebc2c8SBevin Hansson 3344ebc2c8SBevin Hansson // Int subtraction 3444ebc2c8SBevin Hansson unsigned short _Accum usa_const2 = 2 - 0.5uhk; 3544ebc2c8SBevin Hansson // SIGNED-DAG: @usa_const2 = {{.*}}global i16 384, align 2 3644ebc2c8SBevin Hansson // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 192, align 2 3744ebc2c8SBevin Hansson short _Accum sa_const8 = 2 - (-0.5hk); 3844ebc2c8SBevin Hansson // CHECK-DAG: @sa_const8 = {{.*}}global i16 320, align 2 3944ebc2c8SBevin Hansson short _Accum sa_const9 = 257 - 2.0hk; 4044ebc2c8SBevin Hansson // CHECK-DAG: @sa_const9 = {{.*}}global i16 32640, align 2 4144ebc2c8SBevin Hansson long _Fract lf_const = 0.5lr - 1; 4244ebc2c8SBevin Hansson // CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 4 4344ebc2c8SBevin Hansson 4444ebc2c8SBevin Hansson // Saturated subtraction 4544ebc2c8SBevin Hansson _Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk - (-128.0hk); 4644ebc2c8SBevin Hansson // CHECK-DAG: @sat_sa_const = {{.*}}global i16 32767, align 2 4744ebc2c8SBevin Hansson _Sat unsigned short _Accum sat_usa_const = (_Sat unsigned short _Accum)128.0uhk - (-128.0uhk); 4844ebc2c8SBevin Hansson // CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 4944ebc2c8SBevin Hansson _Sat short _Accum sat_sa_const2 = (_Sat short _Accum)128.0hk - (-128); 5044ebc2c8SBevin Hansson // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 5144ebc2c8SBevin Hansson _Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk - (-128); 5244ebc2c8SBevin Hansson // SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 5344ebc2c8SBevin Hansson // UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 5444ebc2c8SBevin Hansson _Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk - 2; 5544ebc2c8SBevin Hansson // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 5644ebc2c8SBevin Hansson _Sat short _Accum sat_sa_const3 = (_Sat short _Accum)-128.0hk - 128; 5744ebc2c8SBevin Hansson // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 -32768, align 2 5844ebc2c8SBevin Hansson _Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-150.0hk - 130.0lk; 5944ebc2c8SBevin Hansson // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 60