derek.holloway
7502bf64a4
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124 lines
5.4 KiB
C
124 lines
5.4 KiB
C
// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,SIGNED
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// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - -fpadding-on-unsigned-fixed-point | FileCheck %s --check-prefixes=CHECK,UNSIGNED
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// 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
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// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - -fpadding-on-unsigned-fixed-point -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,UNSIGNED
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// Between different fixed point types
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short _Accum sa_const = 2.5hk;
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// CHECK-DAG: @sa_const = {{.*}}global i16 320, align 2
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_Accum a_const = 2.5hk;
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// CHECK-DAG: @a_const = {{.*}}global i32 81920, align 4
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short _Accum sa_const2 = 2.5k;
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// CHECK-DAG: @sa_const2 = {{.*}}global i16 320, align 2
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short _Accum sa_from_f_const = 0.5r;
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// CHECK-DAG: sa_from_f_const = {{.*}}global i16 64, align 2
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_Fract f_from_sa_const = 0.5hk;
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// CHECK-DAG: f_from_sa_const = {{.*}}global i16 16384, align 2
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unsigned short _Accum usa_const = 2.5uk;
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unsigned _Accum ua_const = 2.5uhk;
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// SIGNED-DAG: @usa_const = {{.*}}global i16 640, align 2
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// SIGNED-DAG: @ua_const = {{.*}}global i32 163840, align 4
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// UNSIGNED-DAG: @usa_const = {{.*}}global i16 320, align 2
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// UNSIGNED-DAG: @ua_const = {{.*}}global i32 81920, align 4
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// FixedPoint to integer
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int i_const = -128.0hk;
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// CHECK-DAG: @i_const = {{.*}}global i32 -128, align 4
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int i_const2 = 128.0hk;
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// CHECK-DAG: @i_const2 = {{.*}}global i32 128, align 4
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int i_const3 = -128.0k;
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// CHECK-DAG: @i_const3 = {{.*}}global i32 -128, align 4
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int i_const4 = 128.0k;
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// CHECK-DAG: @i_const4 = {{.*}}global i32 128, align 4
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short s_const = -128.0k;
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// CHECK-DAG: @s_const = {{.*}}global i16 -128, align 2
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short s_const2 = 128.0k;
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// CHECK-DAG: @s_const2 = {{.*}}global i16 128, align 2
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// Integer to fixed point
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short _Accum sa_const5 = 2;
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// CHECK-DAG: @sa_const5 = {{.*}}global i16 256, align 2
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short _Accum sa_const6 = -2;
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// CHECK-DAG: @sa_const6 = {{.*}}global i16 -256, align 2
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short _Accum sa_const7 = -256;
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// CHECK-DAG: @sa_const7 = {{.*}}global i16 -32768, align 2
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// Fixed point to floating point
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float fl_const = 1.0hk;
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// CHECK-DAG: @fl_const = {{.*}}global float 1.000000e+00, align 4
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float fl_const2 = -128.0k;
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// CHECK-DAG: @fl_const2 = {{.*}}global float -1.280000e+02, align 4
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float fl_const3 = 0.0872802734375k;
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// CHECK-DAG: @fl_const3 = {{.*}}global float f0x3DB2C000, align 4
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float fl_const4 = 192.5k;
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// CHECK-DAG: @fl_const4 = {{.*}}global float 1.925000e+02, align 4
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float fl_const5 = -192.5k;
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// CHECK-DAG: @fl_const5 = {{.*}}global float -1.925000e+02, align 4
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// Floating point to fixed point
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_Accum a_fl_const = 1.0f;
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// CHECK-DAG: @a_fl_const = {{.*}}global i32 32768, align 4
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_Accum a_fl_const2 = -128.0f;
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// CHECK-DAG: @a_fl_const2 = {{.*}}global i32 -4194304, align 4
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_Accum a_fl_const3 = 0.0872802734375f;
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// CHECK-DAG: @a_fl_const3 = {{.*}}global i32 2860, align 4
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_Accum a_fl_const4 = 0.0872802734375;
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// CHECK-DAG: @a_fl_const4 = {{.*}}global i32 2860, align 4
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_Accum a_fl_const5 = -0.0872802734375f;
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// CHECK-DAG: @a_fl_const5 = {{.*}}global i32 -2860, align 4
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_Fract f_fl_const = 0.5f;
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// CHECK-DAG: @f_fl_const = {{.*}}global i16 16384, align 2
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_Fract f_fl_const2 = -0.75;
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// CHECK-DAG: @f_fl_const2 = {{.*}}global i16 -24576, align 2
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unsigned short _Accum usa_fl_const = 48.75f;
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// SIGNED-DAG: @usa_fl_const = {{.*}}global i16 12480, align 2
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// UNSIGNED-DAG: @usa_fl_const = {{.*}}global i16 6240, align 2
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// Signedness
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unsigned short _Accum usa_const2 = 2.5hk;
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// SIGNED-DAG: @usa_const2 = {{.*}}global i16 640, align 2
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// UNSIGNED-DAG: @usa_const2 = {{.*}}global i16 320, align 2
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short _Accum sa_const3 = 2.5hk;
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// CHECK-DAG: @sa_const3 = {{.*}}global i16 320, align 2
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int i_const5 = 128.0uhk;
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unsigned int ui_const = 128.0hk;
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// CHECK-DAG: @i_const5 = {{.*}}global i32 128, align 4
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// CHECK-DAG: @ui_const = {{.*}}global i32 128, align 4
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short _Accum sa_const9 = 2u;
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// CHECK-DAG: @sa_const9 = {{.*}}global i16 256, align 2
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unsigned short _Accum usa_const3 = 2;
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// SIGNED-DAG: @usa_const3 = {{.*}}global i16 512, align 2
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// UNSIGNED-DAG: @usa_const3 = {{.*}}global i16 256, align 2
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// Overflow (this is undefined but allowed)
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short _Accum sa_const4 = 256.0k;
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unsigned int ui_const2 = -2.5hk;
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short _Accum sa_const8 = 256;
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unsigned short _Accum usa_const4 = -2;
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// Saturation
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_Sat short _Accum sat_sa_const = 2.5hk;
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// CHECK-DAG: @sat_sa_const = {{.*}}global i16 320, align 2
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_Sat short _Accum sat_sa_const2 = 256.0k;
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// CHECK-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2
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_Sat unsigned short _Accum sat_usa_const = -1.0hk;
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// CHECK-DAG: @sat_usa_const = {{.*}}global i16 0, align 2
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_Sat unsigned short _Accum sat_usa_const2 = 256.0k;
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// SIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2
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// UNSIGNED-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2
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_Sat short _Accum sat_sa_const3 = 256;
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// CHECK-DAG: @sat_sa_const3 = {{.*}}global i16 32767, align 2
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_Sat short _Accum sat_sa_const4 = -257;
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// CHECK-DAG: @sat_sa_const4 = {{.*}}global i16 -32768, align 2
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_Sat unsigned short _Accum sat_usa_const3 = -1;
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// CHECK-DAG: @sat_usa_const3 = {{.*}}global i16 0, align 2
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_Sat unsigned short _Accum sat_usa_const4 = 256;
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// SIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 -1, align 2
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// UNSIGNED-DAG: @sat_usa_const4 = {{.*}}global i16 32767, align 2
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