| // RUN: %clang_cc1 -verify -std=c2y -Wall -pedantic -emit-llvm -o - %s |
| // RUN: %clang_cc1 -verify -Wall -pedantic -emit-llvm -o - %s |
| // expected-no-diagnostics |
| |
| /* WG14 N3364: Yes |
| * Give consistent wording for SNAN initialization v3 |
| * |
| * Ensure that initializing from a signaling NAN (optionally with a unary + or |
| * -) at translation time behaves correctly at runtime. |
| */ |
| |
| #define FLT_SNAN __builtin_nansf("1") |
| #define DBL_SNAN __builtin_nans("1") |
| #define LD_SNAN __builtin_nansl("1") |
| |
| float f1 = FLT_SNAN; |
| float f2 = +FLT_SNAN; |
| float f3 = -FLT_SNAN; |
| // CHECK: @f1 = {{.*}}global float 0x7FF0000020000000 |
| // CHECK: @f2 = {{.*}}global float 0x7FF0000020000000 |
| // CHECK: @f3 = {{.*}}global float 0xFFF0000020000000 |
| |
| double d1 = DBL_SNAN; |
| double d2 = +DBL_SNAN; |
| double d3 = -DBL_SNAN; |
| // CHECK: @d1 = {{.*}}global double 0x7FF0000000000001 |
| // CHECK: @d2 = {{.*}}global double 0x7FF0000000000001 |
| // CHECK: @d3 = {{.*}}global double 0xFFF0000000000001 |
| |
| long double ld1 = LD_SNAN; |
| long double ld2 = +LD_SNAN; |
| long double ld3 = -LD_SNAN; |
| // CHECK: @ld1 = {{.*}}global {{double 0x7FF0000000000001|x86_fp80 0xK7FFF8000000000000001|fp128 0xL00000000000000017FFF000000000000}} |
| // CHECK: @ld2 = {{.*}}global {{double 0x7FF0000000000001|x86_fp80 0xK7FFF8000000000000001|fp128 0xL00000000000000017FFF000000000000}} |
| // CHECK: @ld3 = {{.*}}global {{double 0xFFF0000000000001|x86_fp80 0xKFFFF8000000000000001|fp128 0xL0000000000000001FFFF000000000000}} |
