diff options
Diffstat (limited to 'test/Sema/const-eval.c')
| -rw-r--r-- | test/Sema/const-eval.c | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/test/Sema/const-eval.c b/test/Sema/const-eval.c index bdb40ae..f1c0485 100644 --- a/test/Sema/const-eval.c +++ b/test/Sema/const-eval.c @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -fsyntax-only -verify %s +// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux %s #define EVAL_EXPR(testno, expr) int test##testno = sizeof(struct{char qq[expr];}); int x; @@ -14,9 +14,9 @@ EVAL_EXPR(8, (_Bool)"asdf") EVAL_EXPR(9, !!&x) EVAL_EXPR(10, ((void)1, 12)) void g0(void); -EVAL_EXPR(11, (g0(), 12)) // FIXME: This should give an error +EVAL_EXPR(11, (g0(), 12)) // expected-error {{must have a constant size}} EVAL_EXPR(12, 1.0&&2.0) -EVAL_EXPR(13, x || 3.0) +EVAL_EXPR(13, x || 3.0) // expected-error {{must have a constant size}} unsigned int l_19 = 1; EVAL_EXPR(14, (1 ^ l_19) && 1); // expected-error {{fields must have a constant size}} @@ -24,7 +24,7 @@ EVAL_EXPR(14, (1 ^ l_19) && 1); // expected-error {{fields must have a constant void f() { int a; - EVAL_EXPR(15, (_Bool)&a); // expected-error {{fields must have a constant size}} + EVAL_EXPR(15, (_Bool)&a); } // FIXME: Turn into EVAL_EXPR test once we have more folding. @@ -81,8 +81,43 @@ EVAL_EXPR(38, __builtin_expect(1,1) == 1 ? 1 : -1) EVAL_EXPR(39, __real__(1.f) == 1 ? 1 : -1) EVAL_EXPR(40, __imag__(1.f) == 0 ? 1 : -1) +// From gcc testsuite +EVAL_EXPR(41, (int)(1+(_Complex unsigned)2)) + // rdar://8875946 void rdar8875946() { double _Complex P; float _Complex P2 = 3.3f + P; } + +double d = (d = 0.0); // expected-error {{not a compile-time constant}} +double d2 = ++d; // expected-error {{not a compile-time constant}} + +int n = 2; +int intLvalue[*(int*)((long)&n ?: 1)] = { 1, 2 }; // expected-error {{variable length array}} + +union u { int a; char b[4]; }; +char c = ((union u)(123456)).b[0]; // expected-error {{not a compile-time constant}} + +extern const int weak_int __attribute__((weak)); +const int weak_int = 42; +int weak_int_test = weak_int; // expected-error {{not a compile-time constant}} + +int literalVsNull1 = "foo" == 0; +int literalVsNull2 = 0 == "foo"; + +// PR11385. +int castViaInt[*(int*)(unsigned long)"test"]; // expected-error {{variable length array}} + +// PR11391. +struct PR11391 { _Complex float f; } pr11391; +EVAL_EXPR(42, __builtin_constant_p(pr11391.f = 1)) + +// PR12043 +float varfloat; +const float constfloat = 0; +EVAL_EXPR(43, varfloat && constfloat) // expected-error {{must have a constant size}} + +// <rdar://problem/11205586> +// (Make sure we continue to reject this.) +EVAL_EXPR(44, "x"[0]); // expected-error {{variable length array}} |
