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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/CodeGen/const-init.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/CodeGen/const-init.c')
-rw-r--r-- | test/CodeGen/const-init.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/test/CodeGen/const-init.c b/test/CodeGen/const-init.c new file mode 100644 index 0000000..0364cc1 --- /dev/null +++ b/test/CodeGen/const-init.c @@ -0,0 +1,104 @@ +// RUN: clang-cc -triple i386-pc-linux-gnu -verify -emit-llvm -o %t %s && + +#include <stdint.h> + +// Brace-enclosed string array initializers +char a[] = { "asdf" }; + +// Double-implicit-conversions of array/functions (not legal C, but +// clang accepts it for gcc compat). +intptr_t b = a; // expected-warning {{incompatible pointer to integer conversion}} +int c(); +void *d = c; +intptr_t e = c; // expected-warning {{incompatible pointer to integer conversion}} + +int f, *g = __extension__ &f, *h = (1 != 1) ? &f : &f; + +union s2 { + struct { + struct { } *f0; + } f0; +}; + +int g0 = (int)(&(((union s2 *) 0)->f0.f0) - 0); + +// RUN: grep '@g1x = global %. { double 1.000000e+00, double 0.000000e+00 }' %t && +_Complex double g1x = 1.0f; +// RUN: grep '@g1y = global %. { double 0.000000e+00, double 1.000000e+00 }' %t && +_Complex double g1y = 1.0fi; +// RUN: grep '@g1 = global %. { i8 1, i8 10 }' %t && +_Complex char g1 = (char) 1 + (char) 10 * 1i; +// RUN: grep '@g2 = global %2 { i32 1, i32 10 }' %t && +_Complex int g2 = 1 + 10i; +// RUN: grep '@g3 = global %. { float 1.000000e+00, float 1.000000e+01 }' %t && +_Complex float g3 = 1.0 + 10.0i; +// RUN: grep '@g4 = global %. { double 1.000000e+00, double 1.000000e+01 }' %t && +_Complex double g4 = 1.0 + 10.0i; +// RUN: grep '@g5 = global %2 zeroinitializer' %t && +_Complex int g5 = (2 + 3i) == (5 + 7i); +// RUN: grep '@g6 = global %. { double -1.100000e+01, double 2.900000e+01 }' %t && +_Complex double g6 = (2.0 + 3.0i) * (5.0 + 7.0i); +// RUN: grep '@g7 = global i32 1' %t && +int g7 = (2 + 3i) * (5 + 7i) == (-11 + 29i); +// RUN: grep '@g8 = global i32 1' %t && +int g8 = (2.0 + 3.0i) * (5.0 + 7.0i) == (-11.0 + 29.0i); +// RUN: grep '@g9 = global i32 0' %t && +int g9 = (2 + 3i) * (5 + 7i) != (-11 + 29i); +// RUN: grep '@g10 = global i32 0' %t && +int g10 = (2.0 + 3.0i) * (5.0 + 7.0i) != (-11.0 + 29.0i); + + +// Global references +// RUN: grep '@g11.l0 = internal global i32 ptrtoint (i32 ()\* @g11 to i32)' %t && +long g11() { + static long l0 = (long) g11; + return l0; +} + +// RUN: grep '@g12 = global i32 ptrtoint (i8\* @g12_tmp to i32)' %t && +static char g12_tmp; +long g12 = (long) &g12_tmp; + +// RUN: grep '@g13 = global \[1 x .struct.g13_s0\] \[.struct.g13_s0 <{ i32 ptrtoint (i8\* @g12_tmp to i32) }>\]' %t && +struct g13_s0 { + long a; +}; +struct g13_s0 g13[] = { + { (long) &g12_tmp } +}; + +// RUN: grep '@g14 = global i8\* inttoptr (i64 100 to i8\*)' %t && +void *g14 = (void*) 100; + +// RUN: grep '@g15 = global i32 -1' %t && +int g15 = (int) (char) ((void*) 0 + 255); + +// RUN: grep '@g16 = global i64 4294967295' %t && +long long g16 = (long long) ((void*) 0xFFFFFFFF); + +// RUN: grep '@g17 = global i32\* @g15' %t && +int *g17 = (int *) ((long) &g15); + +// RUN: grep '@g18.p = internal global \[1 x i32\*\] \[i32\* @g19\]' %t && +void g18(void) { + extern int g19; + static int *p[] = { &g19 }; +} + +// RUN: grep '@g20.l0 = internal global .struct.g20_s1 <{ .struct.g20_s0\* null, .struct.g20_s0\*\* getelementptr (.struct.g20_s1\* @g20.l0, i32 0, i32 0) }>' %t && + +struct g20_s0; +struct g20_s1 { + struct g20_s0 *f0, **f1; +}; +void *g20(void) { + static struct g20_s1 l0 = { ((void*) 0), &l0.f0 }; + return l0.f1; +} + +// PR4108 +struct g21 {int g21;}; +const struct g21 g21 = (struct g21){1}; + +// RUN: true + |