diff options
Diffstat (limited to 'clang/test/Frontend/fixed_point_conversions.c')
| -rw-r--r-- | clang/test/Frontend/fixed_point_conversions.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/clang/test/Frontend/fixed_point_conversions.c b/clang/test/Frontend/fixed_point_conversions.c index 22cde0eb690..0b36d9d0ca4 100644 --- a/clang/test/Frontend/fixed_point_conversions.c +++ b/clang/test/Frontend/fixed_point_conversions.c @@ -1,5 +1,39 @@ -// RUN: %clang_cc1 -ffixed-point -S -emit-llvm %s -o - | FileCheck %s -check-prefix=DEFAULT -// RUN: %clang_cc1 -ffixed-point -S -emit-llvm %s -o - -fpadding-on-unsigned-fixed-point | FileCheck %s -check-prefix=SAME +// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - | FileCheck %s -check-prefix=DEFAULT +// RUN: %clang_cc1 -ffixed-point -triple x86_64-unknown-linux-gnu -S -emit-llvm %s -o - -fpadding-on-unsigned-fixed-point | FileCheck %s -check-prefix=SAME + +// Between different fixed point types +short _Accum sa_const = 2.5hk; // DEFAULT-DAG: @sa_const = {{.*}}global i16 320, align 2 +_Accum a_const = 2.5hk; // DEFAULT-DAG: @a_const = {{.*}}global i32 81920, align 4 +short _Accum sa_const2 = 2.5k; // DEFAULT-DAG: @sa_const2 = {{.*}}global i16 320, align 2 + +short _Accum sa_from_f_const = 0.5r; // DEFAULT-DAG: sa_from_f_const = {{.*}}global i16 64, align 2 +_Fract f_from_sa_const = 0.5hk; // DEFAULT-DAG: f_from_sa_const = {{.*}}global i16 16384, align 2 + +unsigned short _Accum usa_const = 2.5uk; +unsigned _Accum ua_const = 2.5uhk; +// DEFAULT-DAG: @usa_const = {{.*}}global i16 640, align 2 +// DEFAULT-DAG: @ua_const = {{.*}}global i32 163840, align 4 +// SAME-DAG: @usa_const = {{.*}}global i16 320, align 2 +// SAME-DAG: @ua_const = {{.*}}global i32 81920, align 4 + +// Signedness +unsigned short _Accum usa_const2 = 2.5hk; +// DEFAULT-DAG: @usa_const2 = {{.*}}global i16 640, align 2 +// SAME-DAG: @usa_const2 = {{.*}}global i16 320, align 2 +short _Accum sa_const3 = 2.5hk; // DEFAULT-DAG: @sa_const3 = {{.*}}global i16 320, align 2 + +// Overflow (this is undefined but allowed) +short _Accum sa_const4 = 256.0k; + +// Saturation +_Sat short _Accum sat_sa_const = 2.5hk; // DEFAULT-DAG: @sat_sa_const = {{.*}}global i16 320, align 2 +_Sat short _Accum sat_sa_const2 = 256.0k; // DEFAULT-DAG: @sat_sa_const2 = {{.*}}global i16 32767, align 2 +_Sat unsigned short _Accum sat_usa_const = -1.0hk; +// DEFAULT-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 +// SAME-DAG: @sat_usa_const = {{.*}}global i16 0, align 2 +_Sat unsigned short _Accum sat_usa_const2 = 256.0k; +// DEFAULT-DAG: @sat_usa_const2 = {{.*}}global i16 -1, align 2 +// SAME-DAG: @sat_usa_const2 = {{.*}}global i16 32767, align 2 void TestFixedPointCastSameType() { _Accum a = 2.5k; |
