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 
14 int f(void);
15 
16 #ifdef BITCODE
17 
18 extern int f2(void);
19 // CHECK-BC: fatal error: cannot link module {{.*}}'f': symbol multiply defined
f(void)20 int f(void) {
21   f2();
22   return 42;
23 }
24 
25 #elif BITCODE2
f2(void)26 int f2(void) { return 43; }
27 #else
28 
29 // CHECK-NO-BC-LABEL: define i32 @g
30 // CHECK-NO-BC: ret i32 42
g(void)31 int 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