summaryrefslogtreecommitdiff
path: root/clang/test/CodeGen/arm-apcs-zerolength-bitfield.c
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/CodeGen/arm-apcs-zerolength-bitfield.c')
-rw-r--r--clang/test/CodeGen/arm-apcs-zerolength-bitfield.c240
1 files changed, 240 insertions, 0 deletions
diff --git a/clang/test/CodeGen/arm-apcs-zerolength-bitfield.c b/clang/test/CodeGen/arm-apcs-zerolength-bitfield.c
new file mode 100644
index 0000000..3f94525
--- /dev/null
+++ b/clang/test/CodeGen/arm-apcs-zerolength-bitfield.c
@@ -0,0 +1,240 @@
+// RUN: %clang_cc1 -target-abi apcs-gnu -triple armv7-apple-darwin10 %s -verify
+//
+// Note: gcc forces the alignment to 4 bytes, regardless of the type of the
+// zero length bitfield.
+// rdar://9859156
+
+#include <stddef.h>
+
+struct t1
+{
+ int foo : 1;
+ char : 0;
+ char bar;
+};
+static int arr1_offset[(offsetof(struct t1, bar) == 4) ? 0 : -1];
+static int arr1_sizeof[(sizeof(struct t1) == 8) ? 0 : -1];
+
+struct t2
+{
+ int foo : 1;
+ short : 0;
+ char bar;
+};
+static int arr2_offset[(offsetof(struct t2, bar) == 4) ? 0 : -1];
+static int arr2_sizeof[(sizeof(struct t2) == 8) ? 0 : -1];
+
+struct t3
+{
+ int foo : 1;
+ int : 0;
+ char bar;
+};
+static int arr3_offset[(offsetof(struct t3, bar) == 4) ? 0 : -1];
+static int arr3_sizeof[(sizeof(struct t3) == 8) ? 0 : -1];
+
+struct t4
+{
+ int foo : 1;
+ long : 0;
+ char bar;
+};
+static int arr4_offset[(offsetof(struct t4, bar) == 4) ? 0 : -1];
+static int arr4_sizeof[(sizeof(struct t4) == 8) ? 0 : -1];
+
+struct t5
+{
+ int foo : 1;
+ long long : 0;
+ char bar;
+};
+static int arr5_offset[(offsetof(struct t5, bar) == 4) ? 0 : -1];
+static int arr5_sizeof[(sizeof(struct t5) == 8) ? 0 : -1];
+
+struct t6
+{
+ int foo : 1;
+ char : 0;
+ char bar : 1;
+ char bar2;
+};
+static int arr6_offset[(offsetof(struct t6, bar2) == 5) ? 0 : -1];
+static int arr6_sizeof[(sizeof(struct t6) == 8) ? 0 : -1];
+
+struct t7
+{
+ int foo : 1;
+ short : 0;
+ char bar1 : 1;
+ char bar2;
+};
+static int arr7_offset[(offsetof(struct t7, bar2) == 5) ? 0 : -1];
+static int arr7_sizeof[(sizeof(struct t7) == 8) ? 0 : -1];
+
+struct t8
+{
+ int foo : 1;
+ int : 0;
+ char bar1 : 1;
+ char bar2;
+};
+static int arr8_offset[(offsetof(struct t8, bar2) == 5) ? 0 : -1];
+static int arr8_sizeof[(sizeof(struct t8) == 8) ? 0 : -1];
+
+struct t9
+{
+ int foo : 1;
+ long : 0;
+ char bar1 : 1;
+ char bar2;
+};
+static int arr9_offset[(offsetof(struct t9, bar2) == 5) ? 0 : -1];
+static int arr9_sizeof[(sizeof(struct t9) == 8) ? 0 : -1];
+
+struct t10
+{
+ int foo : 1;
+ long long : 0;
+ char bar1 : 1;
+ char bar2;
+};
+static int arr10_offset[(offsetof(struct t10, bar2) == 5) ? 0 : -1];
+static int arr10_sizeof[(sizeof(struct t10) == 8) ? 0 : -1];
+
+struct t11
+{
+ int foo : 1;
+ long long : 0;
+ char : 0;
+ char bar1 : 1;
+ char bar2;
+};
+static int arr11_offset[(offsetof(struct t11, bar2) == 5) ? 0 : -1];
+static int arr11_sizeof[(sizeof(struct t11) == 8) ? 0 : -1];
+
+struct t12
+{
+ int foo : 1;
+ char : 0;
+ long long : 0;
+ char : 0;
+ char bar;
+};
+static int arr12_offset[(offsetof(struct t12, bar) == 4) ? 0 : -1];
+static int arr12_sizeof[(sizeof(struct t12) == 8) ? 0 : -1];
+
+struct t13
+{
+ char foo;
+ long : 0;
+ char bar;
+};
+static int arr13_offset[(offsetof(struct t13, bar) == 4) ? 0 : -1];
+static int arr13_sizeof[(sizeof(struct t13) == 8) ? 0 : -1];
+
+struct t14
+{
+ char foo1;
+ int : 0;
+ char foo2 : 1;
+ short foo3 : 16;
+ char : 0;
+ short foo4 : 16;
+ char bar1;
+ int : 0;
+ char bar2;
+};
+static int arr14_bar1_offset[(offsetof(struct t14, bar1) == 10) ? 0 : -1];
+static int arr14_bar2_offset[(offsetof(struct t14, bar2) == 12) ? 0 : -1];
+static int arr14_sizeof[(sizeof(struct t14) == 16) ? 0 : -1];
+
+struct t15
+{
+ char foo;
+ char : 0;
+ int : 0;
+ char bar;
+ long : 0;
+ char : 0;
+};
+static int arr15_offset[(offsetof(struct t15, bar) == 4) ? 0 : -1];
+static int arr15_sizeof[(sizeof(struct t15) == 8) ? 0 : -1];
+
+struct t16
+{
+ long : 0;
+ char bar;
+};
+static int arr16_offset[(offsetof(struct t16, bar) == 0) ? 0 : -1];
+static int arr16_sizeof[(sizeof(struct t16) == 4) ? 0 : -1];
+
+struct t17
+{
+ char foo;
+ long : 0;
+ long : 0;
+ char : 0;
+ char bar;
+};
+static int arr17_offset[(offsetof(struct t17, bar) == 4) ? 0 : -1];
+static int arr17_sizeof[(sizeof(struct t17) == 8) ? 0 : -1];
+
+struct t18
+{
+ long : 0;
+ long : 0;
+ char : 0;
+};
+static int arr18_sizeof[(sizeof(struct t18) == 0) ? 0 : -1];
+
+struct t19
+{
+ char foo1;
+ long foo2 : 1;
+ char : 0;
+ long foo3 : 32;
+ char bar;
+};
+static int arr19_offset[(offsetof(struct t19, bar) == 8) ? 0 : -1];
+static int arr19_sizeof[(sizeof(struct t19) == 12) ? 0 : -1];
+
+struct t20
+{
+ short : 0;
+ int foo : 1;
+ long : 0;
+ char bar;
+};
+static int arr20_offset[(offsetof(struct t20, bar) == 4) ? 0 : -1];
+static int arr20_sizeof[(sizeof(struct t20) == 8) ? 0 : -1];
+
+struct t21
+{
+ short : 0;
+ int foo1 : 1;
+ char : 0;
+ int foo2 : 16;
+ long : 0;
+ char bar1;
+ int bar2;
+ long bar3;
+ char foo3 : 8;
+ char : 0;
+ long : 0;
+ int foo4 : 32;
+ short foo5: 1;
+ long bar4;
+ short foo6: 16;
+ short foo7: 16;
+ short foo8: 16;
+};
+static int arr21_bar1_offset[(offsetof(struct t21, bar1) == 8) ? 0 : -1];
+static int arr21_bar2_offset[(offsetof(struct t21, bar2) == 12) ? 0 : -1];
+static int arr21_bar3_offset[(offsetof(struct t21, bar3) == 16) ? 0 : -1];
+static int arr21_bar4_offset[(offsetof(struct t21, bar4) == 32) ? 0 : -1];
+static int arr21_sizeof[(sizeof(struct t21) == 44) ? 0 : -1];
+
+int main() {
+ return 0;
+}
+