1// RUN: %clang_cc1 -triple i386-pc-linux-gnu -DBITCODE -emit-llvm-bc -o %t.bc %s
2// RUN: %clang_cc1 -triple i386-pc-linux-gnu -DBITCODE2 -emit-llvm-bc -o %t-2.bc %s
3// RUN: %clang_cc1 -triple i386-pc-linux-gnu -mlink-bitcode-file %t.bc \
4// RUN:     -O3 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-NO-BC %s
5// RUN: %clang_cc1 -triple i386-pc-linux-gnu -O3 -emit-llvm -o - \
6// RUN:     -mlink-bitcode-file %t.bc -mlink-bitcode-file %t-2.bc %s \
7// RUN:     | FileCheck -check-prefix=CHECK-NO-BC -check-prefix=CHECK-NO-BC2 %s
8// RUN: not %clang_cc1 -triple i386-pc-linux-gnu -DBITCODE -O3 -emit-llvm -o - \
9// RUN:     -mlink-bitcode-file %t.bc %s 2>&1 | FileCheck -check-prefix=CHECK-BC %s
10// Make sure we deal with failure to load the file.
11// RUN: not %clang_cc1 -triple i386-pc-linux-gnu -mlink-bitcode-file no-such-file.bc \
12// RUN:    -emit-llvm -o - %s 2>&1 | FileCheck -check-prefix=CHECK-NO-FILE %s
13
14int f(void);
15
16#ifdef BITCODE
17
18extern int f2(void);
19// CHECK-BC: fatal error: cannot link module {{.*}}'f': symbol multiply defined
20int f(void) {
21  f2();
22  return 42;
23}
24
25#elif BITCODE2
26int f2(void) { return 43; }
27#else
28
29// CHECK-NO-BC-LABEL: define i32 @g
30// CHECK-NO-BC: ret i32 42
31int g(void) {
32  return f();
33}
34
35// CHECK-NO-BC-LABEL: define i32 @f
36// CHECK-NO-BC2-LABEL: define i32 @f2
37
38#endif
39
40// CHECK-NO-FILE: fatal error: cannot open file 'no-such-file.bc'
41