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llvm-project/clang/test/Driver/debug-default-version.c

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[clang] Add -fdebug-default-version for specifying the default DWARF version This flag decouples specifying the DWARF version from enabling/disabling DWARF in general (or the gN level - gmlt/limited/standalone, etc) while still allowing existing -gdwarf-N flags to override this default. Patch by Caroline Tice! Differential Revision: https://reviews.llvm.org/D69822
2019-11-08 04:00:22 +08:00
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=4 -gdwarf-2 -S -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF2
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-3 -fdebug-default-version=4 -S -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF3
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-4 -fdebug-default-version=2 -S -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF4
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-5 -S -fdebug-default-version=2 -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF5
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=5 -g -S -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF5
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf -fdebug-default-version=2 -S -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF2
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=4 -S -o - %s 2>&1 | FileCheck %s --check-prefixes=NODEBUGINFO,NODWARF4
// Check which debug info formats we use on Windows. By default, in an MSVC
// environment, we should use codeview. You can enable dwarf, which implicitly
// disables codeview, or you can explicitly ask for both if you don't know how
// the app will be debugged.
// RUN: %clang -### -Werror -target i686-pc-windows-msvc -fdebug-default-version=2 -gdwarf -S -o - %s 2>&1 \
// RUN: | FileCheck %s --check-prefixes=DWARF2,NOCODEVIEW
// Explicitly request both.
// RUN: %clang -### -Werror -target i686-pc-windows-msvc -fdebug-default-version=4 -gdwarf -gcodeview -S -o - %s 2>&1 \
// RUN: | FileCheck %s --check-prefixes=DWARF4,CODEVIEW
// Do Assembler testing most of the same test cases as those above.
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=5 -g -x assembler -c -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF5
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=4 -gdwarf-2 -x assembler -c -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF2
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-3 -fdebug-default-version=4 -x assembler -c -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF3
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-4 -fdebug-default-version=2 -x assembler -c -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF4
// RUN: %clang -### -Werror -target x86_64-linux-gnu -gdwarf-5 -x assembler -c -fdebug-default-version=2 -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF5
// RUN: %clang -### -Werror -target x86_64-linux-gnu -fdebug-default-version=5 -g -x assembler -c -o - %s 2>&1 | FileCheck %s --check-prefix=DWARF5
int main(void) {
return 0;
}
// NOCODEVIEW-NOT: -gcodeview
// CODEVIEW: "-gcodeview"
// NODEBUGINFO-NOT: -debug-info-kind=
// DWARF2: "-dwarf-version=2"
// DWARF3: "-dwarf-version=3"
// DWARF4: "-dwarf-version=4"
// DWARF5: "-dwarf-version=5"
// NOCODEVIEW-NOT: -gcodeview
// NODWARF4-NOT: -dwarf-version=4