| // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED |
| // RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -fpadding-on-unsigned-fixed-point -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,UNSIGNED |
| |
| // Subtraction between different fixed point types |
| short _Accum sa_const = 1.0hk - 2.0hk; |
| // CHECK-DAG: @sa_const = {{.*}}global i16 -128, align 2 |
| _Accum a_const = 1.0hk - 2.0k; |
| // CHECK-DAG: @a_const = {{.*}}global i32 -32768, align 4 |
| long _Accum la_const = 1.0hk - 2.0lk; |
| // CHECK-DAG: @la_const = {{.*}}global i64 -2147483648, align 8 |
| short _Accum sa_const2 = 0.5hr - 2.0hk; |
| // CHECK-DAG: @sa_const2 = {{.*}}global i16 -192, align 2 |
| short _Accum sa_const3 = 0.5r - 2.0hk; |
| // CHECK-DAG: @sa_const3 = {{.*}}global i16 -192, align 2 |
| short _Accum sa_const4 = 0.5lr - 2.0hk; |
| // CHECK-DAG: @sa_const4 = {{.*}}global i16 -192, align 2 |
| short _Accum sa_const5 = 2.0hk - 0.5lr; |
| // CHECK-DAG: @sa_const5 = {{.*}}global i16 192, align 2 |
| |
| // Unsigned subtraction |
| unsigned short _Accum usa_const = 3.0uhk - 2.0uhk; |
| // SIGNED-DAG: @usa_const = {{.*}}global i16 256, align 2 |
| // UNSIGNED-DAG: @usa_const = {{.*}}global i16 128, align 2 |
| |
| // Unsigned - signed |
| short _Accum sa_const6 = 1.0uhk - 2.0hk; |
| // CHECK-DAG: @sa_const6 = {{.*}}global i16 -128, align 2 |
| |
| // Subtraction with negative number |
| short _Accum sa_const7 = 0.5hr - (-2.0hk); |
| // CHECK-DAG: @sa_const7 = {{.*}}global i16 320, align 2 |
| |
| // Int subtraction |
| unsigned short _Accum usa_const2 = 2 - 0.5uhk; |
| // SIGNED-DAG: @usa_const2 = {{.*}}global i16 384, align 2 |
| // UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 192, align 2 |
| short _Accum sa_const8 = 2 - (-0.5hk); |
| // CHECK-DAG: @sa_const8 = {{.*}}global i16 320, align 2 |
| short _Accum sa_const9 = 257 - 2.0hk; |
| // CHECK-DAG: @sa_const9 = {{.*}}global i16 32640, align 2 |
| long _Fract lf_const = 0.5lr - 1; |
| // CHECK-DAG: @lf_const = {{.*}}global i32 -1073741824, align 4 |
| |
| // Saturated subtraction |
| _Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk - (-128.0hk); |
| // CHECK-DAG: @sat_sa_const = {{.*}}global i16 32767, align 2 |
| _Sat unsigned short _Accum sat_usa_const = (_Sat unsigned short _Accum)128.0uhk - (-128.0uhk); |
| // CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 |
| _Sat short _Accum sat_sa_const2 = (_Sat short _Accum)128.0hk - (-128); |
| // CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 |
| _Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk - (-128); |
| // SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 |
| // UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 |
| _Sat unsigned short _Accum sat_usa_const3 = (_Sat unsigned short _Accum)0.5uhk - 2; |
| // CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2 |
| _Sat short _Accum sat_sa_const3 = (_Sat short _Accum)-128.0hk - 128; |
| // CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 -32768, align 2 |
| _Sat short _Accum sat_sa_const4 = (_Sat short _Accum)-150.0hk - 130.0lk; |
| // CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2 |
