1 files changed, 146 insertions, 0 deletions
diff --git a/clang/test/CodeGen/const-init.c b/clang/test/CodeGen/const-init.c
new file mode 100644
index 0000000..4f3f7ab
--- /dev/null
+++ b/clang/test/CodeGen/const-init.c
@@ -0,0 +1,146 @@
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -ffreestanding -verify -emit-llvm -o - %s | FileCheck %s
+
+#include <stdint.h>
+
+// Brace-enclosed string array initializers
+char a[] = { "asdf" };
+// CHECK: @a = global [5 x i8] c"asdf\00"
+
+char a2[2][5] = { "asdf" };
+// CHECK: @a2 = global [2 x [5 x i8]] {{\[}}[5 x i8] c"asdf\00", [5 x i8] zeroinitializer]
+
+// 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);
+
+// CHECK: @g1x = global { double, double } { double 1.000000e+00{{[0]*}}, double 0.000000e+00{{[0]*}} }
+_Complex double g1x = 1.0f;
+// CHECK: @g1y = global { double, double } { double 0.000000e+00{{[0]*}}, double 1.000000e+00{{[0]*}} }
+_Complex double g1y = 1.0fi;
+// CHECK: @g1 = global { i8, i8 } { i8 1, i8 10 }
+_Complex char g1 = (char) 1 + (char) 10 * 1i;
+// CHECK: @g2 = global { i32, i32 } { i32 1, i32 10 }
+_Complex int g2 = 1 + 10i;
+// CHECK: @g3 = global { float, float } { float 1.000000e+00{{[0]*}}, float 1.000000e+0{{[0]*}}1 }
+_Complex float g3 = 1.0 + 10.0i;
+// CHECK: @g4 = global { double, double } { double 1.000000e+00{{[0]*}}, double 1.000000e+0{{[0]*}}1 }
+_Complex double g4 = 1.0 + 10.0i;
+// CHECK: @g5 = global { i32, i32 } zeroinitializer
+_Complex int g5 = (2 + 3i) == (5 + 7i);
+// CHECK: @g6 = global { double, double } { double -1.100000e+0{{[0]*}}1, double 2.900000e+0{{[0]*}}1 }
+_Complex double g6 = (2.0 + 3.0i) * (5.0 + 7.0i);
+// CHECK: @g7 = global i32 1
+int g7 = (2 + 3i) * (5 + 7i) == (-11 + 29i);
+// CHECK: @g8 = global i32 1
+int g8 = (2.0 + 3.0i) * (5.0 + 7.0i) == (-11.0 + 29.0i);
+// CHECK: @g9 = global i32 0
+int g9 = (2 + 3i) * (5 + 7i) != (-11 + 29i);
+// CHECK: @g10 = global i32 0
+int g10 = (2.0 + 3.0i) * (5.0 + 7.0i) != (-11.0 + 29.0i);
+
+// PR5108
+// CHECK: @gv1 = global %struct.anon <{ i32 0, i8 7 }>, align 1
+struct {
+  unsigned long a;
+  unsigned long b:3;
+} __attribute__((__packed__)) gv1  = { .a = 0x0, .b = 7,  };
+
+// PR5118
+// CHECK: @gv2 = global %struct.anon.0 <{ i8 1, i8* null }>, align 1 
+struct {
+  unsigned char a;
+  char *b;
+} __attribute__((__packed__)) gv2 = { 1, (void*)0 };
+
+// Global references
+// CHECK: @g11.l0 = internal global i32 ptrtoint (i32 ()* @g11 to i32)
+long g11() { 
+  static long l0 = (long) g11;
+  return l0; 
+}
+
+// CHECK: @g12 = global i32 ptrtoint (i8* @g12_tmp to i32)
+static char g12_tmp;
+long g12 = (long) &g12_tmp;
+
+// CHECK: @g13 = global [1 x %struct.g13_s0] [%struct.g13_s0 { i32 ptrtoint (i8* @g12_tmp to i32) }]
+struct g13_s0 {
+   long a;
+};
+struct g13_s0 g13[] = {
+   { (long) &g12_tmp }
+};
+
+// CHECK: @g14 = global i8* inttoptr (i64 100 to i8*)
+void *g14 = (void*) 100;
+
+// CHECK: @g15 = global i32 -1
+int g15 = (int) (char) ((void*) 0 + 255);
+
+// CHECK: @g16 = global i64 4294967295
+long long g16 = (long long) ((void*) 0xFFFFFFFF);
+
+// CHECK: @g17 = global i32* @g15
+int *g17 = (int *) ((long) &g15);
+
+// CHECK: @g18.p = internal global [1 x i32*] [i32* @g19]
+void g18(void) {
+  extern int g19;
+  static int *p[] = { &g19 };
+}
+
+// CHECK: @g20.l0 = internal global %struct.g20_s1 { %struct.g20_s0* null, %struct.g20_s0** getelementptr inbounds (%struct.g20_s1* @g20.l0, i32 0, i32 0) }
+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};
+
+// PR5474
+struct g22 {int x;} __attribute((packed));
+struct g23 {char a; short b; char c; struct g22 d;};
+struct g23 g24 = {1,2,3,4};
+
+// CHECK: @g25.g26 = internal global i8* getelementptr inbounds ([4 x i8]* @__func__.g25, i32 0, i32 0)
+// CHECK: @__func__.g25 = private unnamed_addr constant [4 x i8] c"g25\00"
+int g25() {
+  static const char *g26 = __func__;
+  return *g26;
+}
+
+// CHECK: @g27.x = internal global i8* bitcast (i8** @g27.x to i8*), align 4
+void g27() { // PR8073
+  static void *x = &x;
+}
+
+void g28() {
+  typedef long long v1i64 __attribute((vector_size(8)));
+  typedef short v12i16 __attribute((vector_size(24)));
+  typedef long double v2f80 __attribute((vector_size(24)));
+  // CHECK: @g28.a = internal global <1 x i64> <i64 10>
+  // CHECK: @g28.b = internal global <12 x i16> <i16 0, i16 0, i16 0, i16 -32768, i16 16383, i16 0, i16 0, i16 0, i16 0, i16 -32768, i16 16384, i16 0>
+  // CHECK: @g28.c = internal global <2 x x86_fp80> <x86_fp80 0xK3FFF8000000000000000, x86_fp80 0xK40008000000000000000>, align 32
+  static v1i64 a = (v1i64)10LL;
+  static v12i16 b = (v2f80){1,2};
+  static v2f80 c = (v12i16){0,0,0,-32768,16383,0,0,0,0,-32768,16384,0};
+}