clang/test/CodeGen/PR2001-bitfield-reload.c

   1 // RUN: %clang_cc1 -triple i386-unknown-unknown -O3 -emit-llvm -o - %s | FileCheck %s
   2 // PR2001
   3
   4 /* Test that the result of the assignment properly uses the value *in
   5    the bitfield* as opposed to the RHS. */
   6 static int foo(int i) {
   7   struct {
   8     int f0 : 2;
   9   } x;
  10   return (x.f0 = i);
  11 }
  12
  13 int bar(void) {
  14   // CHECK: ret i32 1
  15   return foo(-5) == -1;
  16 }