teak-llvm/clang/test/Frontend/fixed_point_to_string.c
Leonard Chan c03642e9a8 [Fixed Point Arithmetic] Fix for FixedPointValueToString
- Print negative numbers correctly
- Handle APInts of different sizes
- Add formal unit tests for FixedPointValueToString
- Add tests for checking correct printing when padding is set
- Restrict to printing in radix 10 since that's all we need for now

Differential Revision: https://reviews.llvm.org/D49945

llvm-svn: 339026
2018-08-06 16:05:08 +00:00

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// RUN: %clang_cc1 -ast-dump -ffixed-point %s | FileCheck %s
// RUN: %clang_cc1 -ast-dump -ffixed-point -fpadding-on-unsigned-fixed-point %s | FileCheck %s
/**
* Check the same values are printed in the AST regardless of if unsigned types
* have the same number of fractional bits as signed types.
*/
unsigned short _Accum u_short_accum = 0.5uhk;
unsigned _Accum u_accum = 0.5uk;
unsigned long _Accum u_long_accum = 0.5ulk;
unsigned short _Fract u_short_fract = 0.5uhr;
unsigned _Fract u_fract = 0.5ur;
unsigned long _Fract u_long_fract = 0.5ulr;
//CHECK: FixedPointLiteral {{.*}} 'unsigned short _Accum' 0.5
//CHECK: FixedPointLiteral {{.*}} 'unsigned _Accum' 0.5
//CHECK: FixedPointLiteral {{.*}} 'unsigned long _Accum' 0.5
//CHECK: FixedPointLiteral {{.*}} 'unsigned short _Fract' 0.5
//CHECK: FixedPointLiteral {{.*}} 'unsigned _Fract' 0.5
//CHECK: FixedPointLiteral {{.*}} 'unsigned long _Fract' 0.5