| // RUN: %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir -DBITCODE -emit-llvm-bc -o %t.bc %s |
| // RUN: %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir -DBITCODE2 -emit-llvm-bc -o %t-2.bc %s |
| // RUN: %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir -mlink-bitcode-file %t.bc \ |
| // RUN: -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-BC %s |
| // RUN: %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir -mlink-builtin-bitcode %t.bc \ |
| // RUN: -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-BUILTIN-BC %s |
| // RUN: %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -o - \ |
| // RUN: -mlink-bitcode-file %t.bc -mlink-bitcode-file %t-2.bc %s \ |
| // RUN: | FileCheck -check-prefix=CHECK-BC -check-prefix=CHECK-BC2 %s |
| // RUN: not %clang_cc1 -O1 -triple x86_64-unknown-linux-gnu -fclangir \ |
| // RUN: -mlink-bitcode-file no-such-file.bc -emit-llvm -o - %s 2>&1 \ |
| // RUN: | FileCheck -check-prefix=CHECK-NO-FILE %s |
| // |
| // -mlink-builtin-bitcode propagates the host TU's default function-definition |
| // attributes onto linked-in functions. Linking at -O0 keeps f from being |
| // inlined into g so the propagated attribute group is observable. |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -target-cpu skylake -fclangir \ |
| // RUN: -mlink-builtin-bitcode %t.bc -emit-llvm -o - %s \ |
| // RUN: | FileCheck -check-prefix=CHECK-PROPAGATE %s |
| // |
| // -mlink-bitcode-file does NOT propagate (PropagateAttrs=false). |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -target-cpu skylake -fclangir \ |
| // RUN: -mlink-bitcode-file %t.bc -emit-llvm -o - %s \ |
| // RUN: | FileCheck -check-prefix=CHECK-NO-PROPAGATE %s |
| |
| int f(void); |
| |
| #ifdef BITCODE |
| |
| extern int f2(void); |
| |
| volatile int gvar = 7; |
| |
| int f(void) { |
| f2(); |
| return 42; |
| } |
| |
| #elif defined(BITCODE2) |
| int f2(void) { return 43; } |
| #else |
| |
| extern volatile int gvar; |
| |
| // -mlink-bitcode-file leaves linked symbols with external linkage. |
| // CHECK-BC: @gvar = global i32 7 |
| // -mlink-builtin-bitcode internalizes linked symbols not referenced as roots. |
| // CHECK-BUILTIN-BC: @gvar = internal global i32 7 |
| |
| // CHECK-BC-LABEL: define{{.*}} i32 @g |
| // CHECK-BC: ret i32 42 |
| // CHECK-BUILTIN-BC-LABEL: define{{.*}} i32 @g |
| // CHECK-BUILTIN-BC: ret i32 42 |
| int g(void) { |
| gvar = 1; |
| return f(); |
| } |
| |
| // CHECK-BC-LABEL: define{{.*}} i32 @f |
| // CHECK-BC2-LABEL: define{{.*}} i32 @f2 |
| |
| // CHECK-PROPAGATE: define internal{{.*}} i32 @f(){{[^#]*}}#[[F_ATTRS:[0-9]+]] |
| // CHECK-PROPAGATE: attributes #[[F_ATTRS]] = {{.*}}"target-cpu"="skylake" |
| |
| // CHECK-NO-PROPAGATE: define{{.*}} i32 @f(){{[^#]*}}#[[F_ATTRS:[0-9]+]] |
| // CHECK-NO-PROPAGATE-NOT: attributes #[[F_ATTRS]] = {{.*}}"target-cpu"="skylake" |
| |
| #endif |
| |
| // CHECK-NO-FILE: fatal error: cannot open file 'no-such-file.bc' |
