Implement bitfield read.

llvm-svn: 46257

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/test/CodeGen/bitfield.c b/clang/test/CodeGen/bitfield.c
new file mode 100644
index 00000000000..51987655fd0
--- /dev/null
+++ b/clang/test/CodeGen/bitfield.c
@@ -0,0 +1,13 @@
+// RUN: clang %s -emit-llvm > %t1
+// RUN: grep "shl i32 %tmp, 19" %t1 &&
+// RUN: grep "ashr i32 %tmp1, 19" %t1 &&
+// RUN: grep "shl i16 %tmp4, 1" %t1 &&
+// RUN: grep "lshr i16 %tmp5, 9" %t1
+// Test bitfield access
+
+
+struct STestB1 { int a:13; char b; unsigned short c:7;} stb1;
+
+int f() {
+  return stb1.a + stb1.b + stb1.c;
+}