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-rw-r--r--test/CodeGen/const-init.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/test/CodeGen/const-init.c b/test/CodeGen/const-init.c
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+// 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
+
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