| 1 | RUN: rm -rf %t |
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| 2 | REQUIRES: x86-registered-target |
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| 3 | |
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| 4 | RUN: %clang_cc1 -triple=x86_64-linux-gnu -fmodules-codegen -x c++ -fmodules -emit-module -fmodule-name=foo %S/Inputs/codegen-opt/foo.modulemap -o %t/foo.pcm |
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| 5 | RUN: %clang_cc1 -triple=x86_64-linux-gnu -fmodules-codegen -x c++ -fmodules -emit-module -fmodule-name=bar %S/Inputs/codegen-opt/bar.modulemap -o %t/bar.pcm -fmodule-file=%t/foo.pcm |
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| 6 | |
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| 7 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %t/foo.pcm | FileCheck --check-prefix=FOO %s |
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| 8 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %t/bar.pcm -fmodule-file=%t/foo.pcm | FileCheck --check-prefix=BAR-CMN --check-prefix=BAR %s |
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| 9 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - -fmodules -fmodule-file=%t/foo.pcm -fmodule-file=%t/bar.pcm %S/Inputs/codegen-opt/use.cpp | FileCheck --check-prefix=USE-CMN --check-prefix=USE %s |
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| 10 | |
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| 11 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - -O2 -disable-llvm-passes %t/foo.pcm | FileCheck --check-prefix=FOO %s |
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| 12 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - -O2 -disable-llvm-passes %t/bar.pcm -fmodule-file=%t/foo.pcm | FileCheck --check-prefix=BAR-CMN --check-prefix=BAR-OPT %s |
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| 13 | RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - -O2 -disable-llvm-passes -fmodules -fmodule-file=%t/foo.pcm -fmodule-file=%t/bar.pcm %S/Inputs/codegen-opt/use.cpp | FileCheck --check-prefix=USE-CMN --check-prefix=USE-OPT %s |
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| 14 | |
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| 15 | FOO-NOT: comdat |
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| 16 | FOO: $_Z3foov = comdat any |
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| 17 | FOO: $_Z4foo2v = comdat any |
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| 18 | FOO: $_ZZ3foovE1i = comdat any |
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| 19 | FOO: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat |
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| 20 | FOO-NOT: {{comdat|define|declare}} |
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| 21 | FOO: define void @_Z7foo_extv() |
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| 22 | FOO-NOT: {{define|declare}} |
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| 23 | FOO: define weak_odr void @_Z3foov() #{{[0-9]+}} comdat |
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| 24 | FOO-NOT: {{define|declare}} |
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| 25 | FOO: declare void @_Z2f1Ri(i32* |
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| 26 | FOO-NOT: {{define|declare}} |
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| 27 | |
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| 28 | Internal functions are not modularly code generated - they are |
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| 29 | internal wherever they're used. This might not be ideal, but |
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| 30 | continues to workaround/support some oddities that backwards |
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| 31 | compatible modules have seen and supported in the wild. To remove |
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| 32 | the duplication here, the internal functions would need to be |
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| 33 | promoted to weak_odr, placed in comdat and given a new mangling - |
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| 34 | this would be needed for the C++ Modules TS anyway. |
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| 35 | FOO: define internal void @_ZL2f2v() #{{[0-9]+}} |
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| 36 | FOO-NOT: {{define|declare}} |
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| 37 | |
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| 38 | FOO: define weak_odr void @_Z4foo2v() #{{[0-9]+}} comdat |
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| 39 | FOO-NOT: {{define|declare}} |
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| 40 | |
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| 41 | |
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| 42 | BAR-CMN-NOT: comdat |
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| 43 | BAR-CMN: $_Z3barv = comdat any |
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| 44 | BAR-OPT: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat |
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| 45 | BAR-CMN-NOT: {{comdat|define|declare}} |
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| 46 | BAR-CMN: define weak_odr void @_Z3barv() #{{[0-9]+}} comdat |
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| 47 | BAR-CMN-NOT: {{define|declare}} |
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| 48 | BAR: declare void @_Z3foov() |
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| 49 | Include all the available_externally definitions required for bar (foo -> f2) |
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| 50 | BAR-OPT: define available_externally void @_Z3foov() |
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| 51 | BAR-CMN-NOT: {{define|declare}} |
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| 52 | BAR-OPT: declare void @_Z2f1Ri(i32* |
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| 53 | BAR-OPT-NOT: {{define|declare}} |
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| 54 | BAR-OPT: define internal void @_ZL2f2v() |
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| 55 | BAR-OPT-NOT: {{define|declare}} |
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| 56 | |
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| 57 | |
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| 58 | USE-OPT: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat |
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| 59 | USE-CMN-NOT: {{comdat|define|declare}} |
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| 60 | USE-CMN: define i32 @main() |
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| 61 | USE-CMN-NOT: {{define|declare}} |
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| 62 | USE: declare void @_Z3barv() |
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| 63 | Include all the available_externally definitions required for main (bar -> foo -> f2) |
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| 64 | USE-OPT: define available_externally void @_Z3barv() |
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| 65 | USE-CMN-NOT: {{define|declare}} |
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| 66 | USE-OPT: define available_externally void @_Z3foov() |
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| 67 | USE-OPT-NOT: {{define|declare}} |
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| 68 | USE-OPT: declare void @_Z2f1Ri(i32* |
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| 69 | USE-OPT-NOT: {{define|declare}} |
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| 70 | USE-OPT: define internal void @_ZL2f2v() |
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| 71 | USE-OPT-NOT: {{define|declare}} |
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| 72 | |
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