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72 lines
3.5 KiB
72 lines
3.5 KiB
RUN: rm -rf %t
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REQUIRES: x86-registered-target
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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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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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RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %t/foo.pcm | FileCheck --check-prefix=FOO %s
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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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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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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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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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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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FOO-NOT: comdat
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FOO: $_Z3foov = comdat any
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FOO: $_Z4foo2v = comdat any
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FOO: $_ZZ3foovE1i = comdat any
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FOO: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat
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FOO-NOT: {{comdat|define|declare}}
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FOO: define void @_Z7foo_extv()
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FOO-NOT: {{define|declare}}
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FOO: define weak_odr void @_Z3foov() #{{[0-9]+}} comdat
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FOO-NOT: {{define|declare}}
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FOO: declare void @_Z2f1Ri(i32*
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FOO-NOT: {{define|declare}}
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Internal functions are not modularly code generated - they are
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internal wherever they're used. This might not be ideal, but
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continues to workaround/support some oddities that backwards
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compatible modules have seen and supported in the wild. To remove
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the duplication here, the internal functions would need to be
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promoted to weak_odr, placed in comdat and given a new mangling -
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this would be needed for the C++ Modules TS anyway.
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FOO: define internal void @_ZL2f2v() #{{[0-9]+}}
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FOO-NOT: {{define|declare}}
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FOO: define weak_odr void @_Z4foo2v() #{{[0-9]+}} comdat
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FOO-NOT: {{define|declare}}
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BAR-CMN-NOT: comdat
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BAR-CMN: $_Z3barv = comdat any
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BAR-OPT: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat
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BAR-CMN-NOT: {{comdat|define|declare}}
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BAR-CMN: define weak_odr void @_Z3barv() #{{[0-9]+}} comdat
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BAR-CMN-NOT: {{define|declare}}
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BAR: declare void @_Z3foov()
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Include all the available_externally definitions required for bar (foo -> f2)
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BAR-OPT: define available_externally void @_Z3foov()
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BAR-CMN-NOT: {{define|declare}}
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BAR-OPT: declare void @_Z2f1Ri(i32*
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BAR-OPT-NOT: {{define|declare}}
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BAR-OPT: define internal void @_ZL2f2v()
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BAR-OPT-NOT: {{define|declare}}
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USE-OPT: @_ZZ3foovE1i = linkonce_odr global i32 0, comdat
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USE-CMN-NOT: {{comdat|define|declare}}
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USE-CMN: define i32 @main()
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USE-CMN-NOT: {{define|declare}}
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USE: declare void @_Z3barv()
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Include all the available_externally definitions required for main (bar -> foo -> f2)
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USE-OPT: define available_externally void @_Z3barv()
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USE-CMN-NOT: {{define|declare}}
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USE-OPT: define available_externally void @_Z3foov()
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USE-OPT-NOT: {{define|declare}}
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USE-OPT: declare void @_Z2f1Ri(i32*
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USE-OPT-NOT: {{define|declare}}
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USE-OPT: define internal void @_ZL2f2v()
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USE-OPT-NOT: {{define|declare}}
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