xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/PR2001-bitfield-reload.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple i386-unknown-unknown -O3 -emit-llvm -o - %s | FileCheck %s
2*f4a2713aSLionel Sambuc // PR2001
3*f4a2713aSLionel Sambuc 
4*f4a2713aSLionel Sambuc /* Test that the result of the assignment properly uses the value *in
5*f4a2713aSLionel Sambuc    the bitfield* as opposed to the RHS. */
foo(int i)6*f4a2713aSLionel Sambuc static int foo(int i) {
7*f4a2713aSLionel Sambuc   struct {
8*f4a2713aSLionel Sambuc     int f0 : 2;
9*f4a2713aSLionel Sambuc   } x;
10*f4a2713aSLionel Sambuc   return (x.f0 = i);
11*f4a2713aSLionel Sambuc }
12*f4a2713aSLionel Sambuc 
bar()13*f4a2713aSLionel Sambuc int bar() {
14*f4a2713aSLionel Sambuc   // CHECK: ret i32 1
15*f4a2713aSLionel Sambuc   return foo(-5) == -1;
16*f4a2713aSLionel Sambuc }
17