43 changes: 43 additions & 0 deletions clang/test/Frontend/fixed_point_mul.c
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// 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

// Multiplication between different fixed point types
short _Accum sa_const = 2.0hk * 2.0hk; // CHECK-DAG: @sa_const = {{.*}}global i16 512, align 2
_Accum a_const = 3.0hk * 2.0k; // CHECK-DAG: @a_const = {{.*}}global i32 196608, align 4
long _Accum la_const = 4.0hk * 2.0lk; // CHECK-DAG: @la_const = {{.*}}global i64 17179869184, align 8
short _Accum sa_const2 = 0.5hr * 2.0hk; // CHECK-DAG: @sa_const2 = {{.*}}global i16 128, align 2
short _Accum sa_const3 = 0.5r * 3.0hk; // CHECK-DAG: @sa_const3 = {{.*}}global i16 192, align 2
short _Accum sa_const4 = 0.5lr * 4.0hk; // CHECK-DAG: @sa_const4 = {{.*}}global i16 256, align 2

// Unsigned multiplication
unsigned short _Accum usa_const = 1.0uhk * 2.0uhk;
// CHECK-SIGNED-DAG: @usa_const = {{.*}}global i16 768, align 2
// CHECK-UNSIGNED-DAG: @usa_const = {{.*}}global i16 384, align 2

// Unsigned * signed
short _Accum sa_const5 = 20.0uhk * 3.0hk;
// CHECK-DAG: @sa_const5 = {{.*}}global i16 7680, align 2

// Multiplication with negative number
short _Accum sa_const6 = 0.5hr * (-2.0hk);
// CHECK-DAG: @sa_const6 = {{.*}}global i16 -128, align 2

// Int multiplication
unsigned short _Accum usa_const2 = 5 * 10.5uhk;
// CHECK-SIGNED-DAG: @usa_const2 = {{.*}}global i16 640, align 2
// CHECK-UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 320, align 2
short _Accum sa_const7 = 3 * (-0.5hk); // CHECK-DAG: @sa_const7 = {{.*}}global i16 -192, align 2
short _Accum sa_const8 = 100 * (-2.0hk); // CHECK-DAG: @sa_const8 = {{.*}}global i16 -25600, align 2
long _Fract lf_const = -0.25lr * 3; // CHECK-DAG: @lf_const = {{.*}}global i32 -1610612736, align 4

// Saturated multiplication
_Sat short _Accum sat_sa_const = (_Sat short _Accum)128.0hk * 3.0hk;
// 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-SIGNED-DAG: @sat_usa_const = {{.*}}global i16 65535, align 2
// CHECK-UNSIGNED-DAG: @sat_usa_const = {{.*}}global i16 32767, align 2
_Sat short _Accum sat_sa_const2 = (_Sat short _Accum)128.0hk * -128;
// CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 -32768, align 2
_Sat unsigned short _Accum sat_usa_const2 = (_Sat unsigned short _Accum)128.0uhk * 30;
// CHECK-SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 65535, align 2
// CHECK-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

void SignedMultiplication() {
// CHECK-LABEL: SignedMultiplication
short _Accum sa;
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49 changes: 49 additions & 0 deletions clang/test/Frontend/fixed_point_sub.c
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// RUN: %clang_cc1 -ffixed-point -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED
// RUN: %clang_cc1 -ffixed-point -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;
// CHECK-SIGNED-DAG: @usa_const = {{.*}}global i16 768, align 2
// CHECK-UNSIGNED-DAG: @usa_const = {{.*}}global i16 384, 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;
// CHECK-SIGNED-DAG: @usa_const2 = {{.*}}global i16 640, align 2
// CHECK-UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 320, 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-SIGNED-DAG: @sat_usa_const = {{.*}}global i16 65535, align 2
// CHECK-UNSIGNED-DAG: @sat_usa_const = {{.*}}global i16 32767, 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);
// CHECK-SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 65535, align 2
// CHECK-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


void SignedSubtraction() {
// CHECK-LABEL: SignedSubtraction
short _Accum sa;
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