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407 lines
18 KiB
407 lines
18 KiB
// Test without serialization:
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// RUN: %clang_cc1 -x c -ffixed-point -ast-dump %s | FileCheck %s --strict-whitespace
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//
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// Test with serialization:
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// RUN: %clang_cc1 -ffixed-point -emit-pch -o %t %s
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// RUN: %clang_cc1 -x c -ffixed-point -include-pch %t -ast-dump-all /dev/null \
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// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
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// RUN: | FileCheck %s --strict-whitespace
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/* Various contexts where type _Accum can appear. */
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// Primary fixed point types
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signed short _Accum s_short_accum;
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signed _Accum s_accum;
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signed long _Accum s_long_accum;
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unsigned short _Accum u_short_accum;
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unsigned _Accum u_accum;
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unsigned long _Accum u_long_accum;
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signed short _Fract s_short_fract;
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signed _Fract s_fract;
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signed long _Fract s_long_fract;
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unsigned short _Fract u_short_fract;
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unsigned _Fract u_fract;
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unsigned long _Fract u_long_fract;
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// Aliased fixed point types
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short _Accum short_accum;
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_Accum accum;
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long _Accum long_accum;
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short _Fract short_fract;
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_Fract fract;
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long _Fract long_fract;
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// Saturated fixed point types
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_Sat signed short _Accum sat_s_short_accum;
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_Sat signed _Accum sat_s_accum;
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_Sat signed long _Accum sat_s_long_accum;
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_Sat unsigned short _Accum sat_u_short_accum;
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_Sat unsigned _Accum sat_u_accum;
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_Sat unsigned long _Accum sat_u_long_accum;
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_Sat signed short _Fract sat_s_short_fract;
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_Sat signed _Fract sat_s_fract;
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_Sat signed long _Fract sat_s_long_fract;
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_Sat unsigned short _Fract sat_u_short_fract;
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_Sat unsigned _Fract sat_u_fract;
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_Sat unsigned long _Fract sat_u_long_fract;
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// Aliased saturated fixed point types
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_Sat short _Accum sat_short_accum;
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_Sat _Accum sat_accum;
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_Sat long _Accum sat_long_accum;
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_Sat short _Fract sat_short_fract;
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_Sat _Fract sat_fract;
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_Sat long _Fract sat_long_fract;
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//CHECK: |-VarDecl {{.*}} s_short_accum 'short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} s_accum '_Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} s_long_accum 'long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} u_short_accum 'unsigned short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} u_accum 'unsigned _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} u_long_accum 'unsigned long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} s_short_fract 'short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} s_fract '_Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} s_long_fract 'long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} u_short_fract 'unsigned short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} u_fract 'unsigned _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} u_long_fract 'unsigned long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} short_accum 'short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} accum '_Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} long_accum 'long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} short_fract 'short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} fract '_Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} long_fract 'long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_short_accum '_Sat short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_accum '_Sat _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_long_accum '_Sat long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_short_accum '_Sat unsigned short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_accum '_Sat unsigned _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_long_accum '_Sat unsigned long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_short_fract '_Sat short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_fract '_Sat _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_s_long_fract '_Sat long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_short_fract '_Sat unsigned short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_fract '_Sat unsigned _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_u_long_fract '_Sat unsigned long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_short_accum '_Sat short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_accum '_Sat _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_long_accum '_Sat long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_short_fract '_Sat short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_fract '_Sat _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sat_long_fract '_Sat long _Fract'
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#define MIX_TYPE_SPEC(SPEC, SIGN, SIZE, ID) \
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SPEC SIGN SIZE _Accum ID; \
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SIGN SPEC SIZE _Accum ID ## 2; \
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SIGN SIZE SPEC _Accum ID ## 3; \
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SIGN SIZE _Accum SPEC ID ## 4;
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/* Mixing fixed point types with other type specifiers */
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#define MIX_VOLATILE(SIGN, SIZE, ID) MIX_TYPE_SPEC(volatile, SIGN, SIZE, ID)
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#define MIX_ATOMIC(SIGN, SIZE, ID) MIX_TYPE_SPEC(_Atomic, SIGN, SIZE, ID)
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#define MIX_CONST(SIGN, SIZE, ID) MIX_TYPE_SPEC(const, SIGN, SIZE, ID)
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MIX_VOLATILE(signed, short, vol_s_short_accum)
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MIX_ATOMIC(signed, short, atm_s_short_accum)
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MIX_CONST(signed, short, const_s_short_accum)
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// CHECK-NEXT: |-VarDecl {{.*}} vol_s_short_accum 'volatile short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} vol_s_short_accum2 'volatile short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} vol_s_short_accum3 'volatile short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} vol_s_short_accum4 'volatile short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} atm_s_short_accum '_Atomic(short _Accum)'
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// CHECK-NEXT: |-VarDecl {{.*}} atm_s_short_accum2 '_Atomic(short _Accum)'
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// CHECK-NEXT: |-VarDecl {{.*}} atm_s_short_accum3 '_Atomic(short _Accum)'
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// CHECK-NEXT: |-VarDecl {{.*}} atm_s_short_accum4 '_Atomic(short _Accum)'
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// CHECK-NEXT: |-VarDecl {{.*}} const_s_short_accum 'const short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} const_s_short_accum2 'const short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} const_s_short_accum3 'const short _Accum'
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// CHECK-NEXT: |-VarDecl {{.*}} const_s_short_accum4 'const short _Accum'
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/* Typedefs */
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// Primary fixed point types
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typedef signed short _Accum SsA_t;
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typedef signed _Accum SA_t;
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typedef signed long _Accum SlA_t;
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typedef unsigned short _Accum UsA_t;
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typedef unsigned _Accum UA_t;
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typedef unsigned long _Accum UlA_t;
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typedef signed short _Fract SsF_t;
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typedef signed _Fract SF_t;
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typedef signed long _Fract SlF_t;
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typedef unsigned short _Fract UsF_t;
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typedef unsigned _Fract UF_t;
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typedef unsigned long _Fract UlF_t;
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// Aliased fixed point types
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typedef short _Accum sA_t;
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typedef _Accum A_t;
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typedef long _Accum lA_t;
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typedef short _Fract sF_t;
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typedef _Fract F_t;
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typedef long _Fract lF_t;
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// Saturated fixed point types
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typedef _Sat signed short _Accum SatSsA_t;
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typedef _Sat signed _Accum SatSA_t;
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typedef _Sat signed long _Accum SatSlA_t;
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typedef _Sat unsigned short _Accum SatUsA_t;
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typedef _Sat unsigned _Accum SatUA_t;
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typedef _Sat unsigned long _Accum SatUlA_t;
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typedef _Sat signed short _Fract SatSsF_t;
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typedef _Sat signed _Fract SatSF_t;
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typedef _Sat signed long _Fract SatSlF_t;
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typedef _Sat unsigned short _Fract SatUsF_t;
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typedef _Sat unsigned _Fract SatUF_t;
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typedef _Sat unsigned long _Fract SatUlF_t;
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// Aliased saturated fixed point types
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typedef _Sat short _Accum SatsA_t;
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typedef _Sat _Accum SatA_t;
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typedef _Sat long _Accum SatlA_t;
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typedef _Sat short _Fract SatsF_t;
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typedef _Sat _Fract SatF_t;
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typedef _Sat long _Fract SatlF_t;
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SsA_t SsA_type;
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SA_t SA_type;
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SlA_t SlA_type;
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UsA_t UsA_type;
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UA_t UA_type;
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UlA_t UlA_type;
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SsF_t SsF_type;
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SF_t SF_type;
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SlF_t SlF_type;
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UsF_t UsF_type;
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UF_t UF_type;
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UlF_t UlF_type;
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sA_t sA_type;
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A_t A_type;
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lA_t lA_type;
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sF_t sF_type;
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F_t F_type;
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lF_t lF_type;
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SatSsA_t SatSsA_type;
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SatSA_t SatSA_type;
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SatSlA_t SatSlA_type;
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SatUsA_t SatUsA_type;
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SatUA_t SatUA_type;
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SatUlA_t SatUlA_type;
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SatSsF_t SatSsF_type;
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SatSF_t SatSF_type;
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SatSlF_t SatSlF_type;
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SatUsF_t SatUsF_type;
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SatUF_t SatUF_type;
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SatUlF_t SatUlF_type;
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SatsA_t SatsA_type;
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SatA_t SatA_type;
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SatlA_t SatlA_type;
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SatsF_t SatsF_type;
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SatF_t SatF_type;
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SatlF_t SatlF_type;
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//CHECK: |-VarDecl {{.*}} SsA_type 'SsA_t':'short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SA_type 'SA_t':'_Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SlA_type 'SlA_t':'long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} UsA_type 'UsA_t':'unsigned short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} UA_type 'UA_t':'unsigned _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} UlA_type 'UlA_t':'unsigned long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SsF_type 'SsF_t':'short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SF_type 'SF_t':'_Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SlF_type 'SlF_t':'long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} UsF_type 'UsF_t':'unsigned short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} UF_type 'UF_t':'unsigned _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} UlF_type 'UlF_t':'unsigned long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} sA_type 'sA_t':'short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} A_type 'A_t':'_Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} lA_type 'lA_t':'long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} sF_type 'sF_t':'short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} F_type 'F_t':'_Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} lF_type 'lF_t':'long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSsA_type 'SatSsA_t':'_Sat short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSA_type 'SatSA_t':'_Sat _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSlA_type 'SatSlA_t':'_Sat long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUsA_type 'SatUsA_t':'_Sat unsigned short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUA_type 'SatUA_t':'_Sat unsigned _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUlA_type 'SatUlA_t':'_Sat unsigned long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSsF_type 'SatSsF_t':'_Sat short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSF_type 'SatSF_t':'_Sat _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatSlF_type 'SatSlF_t':'_Sat long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUsF_type 'SatUsF_t':'_Sat unsigned short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUF_type 'SatUF_t':'_Sat unsigned _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatUlF_type 'SatUlF_t':'_Sat unsigned long _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatsA_type 'SatsA_t':'_Sat short _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatA_type 'SatA_t':'_Sat _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatlA_type 'SatlA_t':'_Sat long _Accum'
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//CHECK-NEXT: |-VarDecl {{.*}} SatsF_type 'SatsF_t':'_Sat short _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatF_type 'SatF_t':'_Sat _Fract'
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//CHECK-NEXT: |-VarDecl {{.*}} SatlF_type 'SatlF_t':'_Sat long _Fract'
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// Fixed point literal exponent syntax
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_Accum decexp1 = 1.575e1k;
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_Accum decexp2 = 1.575E1k;
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_Accum decexp3 = 1575e-2k;
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_Accum decexp4 = 1575E-2k;
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_Accum hexexp1 = 0x0.3p10k;
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_Accum hexexp2 = 0x0.3P10k;
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_Accum hexexp3 = 0x30000p-10k;
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_Accum hexexp4 = 0x30000P-10k;
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_Accum zeroexp1 = 1e0k;
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_Accum zeroexp2 = 1e-0k;
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//CHECK-NEXT: |-VarDecl {{.*}} decexp1 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 15.75
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//CHECK-NEXT: |-VarDecl {{.*}} decexp2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 15.75
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//CHECK-NEXT: |-VarDecl {{.*}} decexp3 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 15.75
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//CHECK-NEXT: |-VarDecl {{.*}} decexp4 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 15.75
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//CHECK-NEXT: |-VarDecl {{.*}} hexexp1 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 192.0
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//CHECK-NEXT: |-VarDecl {{.*}} hexexp2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 192.0
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//CHECK-NEXT: |-VarDecl {{.*}} hexexp3 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 192.0
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//CHECK-NEXT: |-VarDecl {{.*}} hexexp4 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 192.0
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//CHECK-NEXT: |-VarDecl {{.*}} zeroexp1 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.0
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//CHECK-NEXT: |-VarDecl {{.*}} zeroexp2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.0
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// Fixed point literal values
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_Accum literal1 = 2.5k; // Precise decimal
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_Accum literal2 = 0.0k; // Zero
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_Accum literal3 = 1.1k; // Imprecise decimal
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_Accum literal4 = 1.11k;
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_Accum literal5 = 1.111k;
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_Accum literal6 = 1.1111k;
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_Accum literal7 = 1.11111k; // After some point after the radix, adding any more
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// digits to the literal will not result in any
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// further precision since the nth digit added may
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// be less than the precision that can be
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// represented by the fractional bits of the type.
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// This results in the same value being stored for
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// the type.
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//CHECK-NEXT: |-VarDecl {{.*}} literal1 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 2.5
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//CHECK-NEXT: |-VarDecl {{.*}} literal2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 0.0
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//CHECK-NEXT: |-VarDecl {{.*}} literal3 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.0999755859375
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//CHECK-NEXT: |-VarDecl {{.*}} literal4 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.1099853515625
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//CHECK-NEXT: |-VarDecl {{.*}} literal5 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.110992431640625
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//CHECK-NEXT: |-VarDecl {{.*}} literal6 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.111083984375
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//CHECK-NEXT: |-VarDecl {{.*}} literal7 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.111083984375
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long _Accum longaccumliteral = 0.99999999lk;
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long _Accum longaccumliteral2 = 0.999999999lk;
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long _Accum verylongaccumliteral = 0.99999999999999999999999999lk;
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long _Fract longfractliteral = 0.99999999lr;
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long _Fract longfractliteral2 = 0.999999999lr;
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long _Fract verylongfractliteral = 0.99999999999999999999999999lr;
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//CHECK-NEXT: |-VarDecl {{.*}} longaccumliteral 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.999999989755451679229736328125
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//CHECK-NEXT: |-VarDecl {{.*}} longaccumliteral2 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.9999999986030161380767822265625
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//CHECK-NEXT: |-VarDecl {{.*}} verylongaccumliteral 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.9999999995343387126922607421875
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//CHECK-NEXT: |-VarDecl {{.*}} longfractliteral 'long _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Fract' 0.999999989755451679229736328125
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//CHECK-NEXT: |-VarDecl {{.*}} longfractliteral2 'long _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Fract' 0.9999999986030161380767822265625
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//CHECK-NEXT: |-VarDecl {{.*}} verylongfractliteral 'long _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Fract' 0.9999999995343387126922607421875
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unsigned _Accum uliteral1 = 2.5uk; // Unsigned
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_Accum literal8 = -2.5k; // Negative
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//CHECK-NEXT: |-VarDecl {{.*}} uliteral1 'unsigned _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'unsigned _Accum' 2.5
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//CHECK-NEXT: |-VarDecl {{.*}} literal8 '_Accum' cinit
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//CHECK-NEXT: `-UnaryOperator {{.*}} '_Accum' prefix '-'
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 2.5
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short _Accum literalexact1 = 0.9921875hk; // Exact value
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_Accum literalexact2 = 0.999969482421875k;
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//CHECK-NEXT: |-VarDecl {{.*}} literalexact1 'short _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'short _Accum' 0.9921875
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//CHECK-NEXT: |-VarDecl {{.*}} literalexact2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 0.999969482421875
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// Unfortunately we do not have enough space to store the exact decimal value of
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// 0.9999999995343387126922607421875 ((1 << 31) - 1), but we can still use a
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// large number of 9s to get the max fractional value.
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long _Accum long_accum_max = 0.999999999999999999999999999lk;
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//CHECK-NEXT: |-VarDecl {{.*}} long_accum_max 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.9999999995343387126922607421875
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// Epsilon
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short _Accum short_accum_eps = 0.0078125hk;
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short _Accum short_accum_eps2 = 0.0078124hk; // Less than epsilon floors to zero
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_Accum accum_eps = 0.000030517578125k;
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_Accum accum_eps2 = 0.000030517578124k;
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long _Accum long_accum_eps = 0x1p-31lk;
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long _Accum long_accum_eps2 = 0x0.99999999p-31lk;
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//CHECK-NEXT: |-VarDecl {{.*}} short_accum_eps 'short _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'short _Accum' 0.0078125
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//CHECK-NEXT: |-VarDecl {{.*}} short_accum_eps2 'short _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'short _Accum' 0.0
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//CHECK-NEXT: |-VarDecl {{.*}} accum_eps '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 0.000030517578125
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//CHECK-NEXT: |-VarDecl {{.*}} accum_eps2 '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 0.0
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//CHECK-NEXT: |-VarDecl {{.*}} long_accum_eps 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.0000000004656612873077392578125
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//CHECK-NEXT: |-VarDecl {{.*}} long_accum_eps2 'long _Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Accum' 0.0
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// Fract literals can be one but evaluate to the respective Fract max
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short _Fract short_fract_one = 1.0hr;
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_Fract fract_one = 1.0r;
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long _Fract long_fract_one = 1.0lr;
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unsigned short _Fract u_short_fract_one = 1.0uhr;
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unsigned _Fract u_fract_one = 1.0ur;
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unsigned long _Fract u_long_fract_one = 1.0ulr;
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//CHECK-NEXT: |-VarDecl {{.*}} short_fract_one 'short _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'short _Fract' 0.9921875
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//CHECK-NEXT: |-VarDecl {{.*}} fract_one '_Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Fract' 0.999969482421875
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//CHECK-NEXT: |-VarDecl {{.*}} long_fract_one 'long _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'long _Fract' 0.9999999995343387126922607421875
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//CHECK-NEXT: |-VarDecl {{.*}} u_short_fract_one 'unsigned short _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'unsigned short _Fract' 0.99609375
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//CHECK-NEXT: |-VarDecl {{.*}} u_fract_one 'unsigned _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'unsigned _Fract' 0.9999847412109375
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//CHECK-NEXT: |-VarDecl {{.*}} u_long_fract_one 'unsigned long _Fract' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} 'unsigned long _Fract' 0.99999999976716935634613037109375
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_Accum literallast = 1.0k; // One
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//CHECK-NEXT: `-VarDecl {{.*}} literallast '_Accum' cinit
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//CHECK-NEXT: `-FixedPointLiteral {{.*}} '_Accum' 1.0
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