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-rw-r--r--clang/test/CodeGen/PR2001-bitfield-reload.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/CodeGen/PR2001-bitfield-reload.c b/clang/test/CodeGen/PR2001-bitfield-reload.c
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+++ b/clang/test/CodeGen/PR2001-bitfield-reload.c
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown -O3 -emit-llvm -o - %s | FileCheck %s
+// PR2001
+
+/* Test that the result of the assignment properly uses the value *in
+ the bitfield* as opposed to the RHS. */
+static int foo(int i) {
+ struct {
+ int f0 : 2;
+ } x;
+ return (x.f0 = i);
+}
+
+int bar() {
+ // CHECK: ret i32 1
+ return foo(-5) == -1;
+}