clang/test/CodeGen/link-bitcode-file.c

   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 // Make sure we can perform the same options if the input is LLVM-IR
  15 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm-bc -o %t-in.bc %s
  16 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -mlink-bitcode-file %t.bc \
  17 // RUN:     -O3 -emit-llvm -o - %t-in.bc | FileCheck -check-prefix=CHECK-NO-BC %s
  18 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -O3 -emit-llvm -o - \
  19 // RUN:     -mlink-bitcode-file %t.bc -mlink-bitcode-file %t-2.bc %t-in.bc \
  20 // RUN:     | FileCheck -check-prefix=CHECK-NO-BC -check-prefix=CHECK-NO-BC2 %s
  21
  22 int f(void);
  23
  24 #ifdef BITCODE
  25
  26 extern int f2(void);
  27 // CHECK-BC: fatal error: cannot link module {{.*}}'f': symbol multiply defined
  28 int f(void) {
  29   f2();
  30   return 42;
  31 }
  32
  33 #elif BITCODE2
  34 int f2(void) { return 43; }
  35 #else
  36
  37 // CHECK-NO-BC-LABEL: define{{.*}} i32 @g
  38 // CHECK-NO-BC: ret i32 42
  39 int g(void) {
  40   return f();
  41 }
  42
  43 // CHECK-NO-BC-LABEL: define{{.*}} i32 @f
  44 // CHECK-NO-BC2-LABEL: define{{.*}} i32 @f2
  45
  46 #endif
  47
  48 // CHECK-NO-FILE: fatal error: cannot open file 'no-such-file.bc'