fd739804e0
For a default visibility external linkage definition, dso_local is set for ELF
-fno-pic/-fpie and COFF and Mach-O. Since default clang -cc1 for ELF is similar
to -fpic ("PIC Level" is not set), this nuance causes unneeded binary format differences.
To make emitted IR similar, ELF -cc1 -fpic will default to -fno-semantic-interposition,
which sets dso_local for default visibility external linkage definitions.
To make this flip smooth and enable future (dso_local as definition default),
this patch replaces (function) `define ` with `define{{.*}} `,
(variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} `.
36 lines
2.9 KiB
C++
36 lines
2.9 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64_LINUX
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// RUN: %clang_cc1 -triple i386-unknown-linux-gnu %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_LINUX
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// RUN: %clang_cc1 -triple x86_64-pc-win32 %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64_WIN
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// RUN: %clang_cc1 -triple i386-pc-win32 %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_WIN
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnux32 %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64_LINUX
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#ifdef __x86_64__
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typedef __UINT64_TYPE__ uword;
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#else
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typedef __UINT32_TYPE__ uword;
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#endif
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__attribute__((interrupt)) void foo7(int *a, uword b) {}
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namespace S {
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__attribute__((interrupt)) void foo8(int *a) {}
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}
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struct St {
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static void foo9(int *a) __attribute__((interrupt)) {}
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};
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// X86_64_LINUX: @llvm.used = appending global [3 x i8*] [i8* bitcast (void (i32*, i64)* @{{.*}}foo7{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo8{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo9{{.*}} to i8*)], section "llvm.metadata"
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// X86_64_LINUX: define{{.*}} x86_intrcc void @{{.*}}foo7{{.*}}(i32* byval(i32) %{{.+}}, i64 %{{.+}})
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// X86_64_LINUX: define{{.*}} x86_intrcc void @{{.*}}foo8{{.*}}(i32* byval(i32) %{{.+}})
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// X86_64_LINUX: define linkonce_odr x86_intrcc void @{{.*}}foo9{{.*}}(i32* byval(i32) %{{.+}})
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// X86_LINUX: @llvm.used = appending global [3 x i8*] [i8* bitcast (void (i32*, i32)* @{{.*}}foo7{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo8{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo9{{.*}} to i8*)], section "llvm.metadata"
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// X86_LINUX: define{{.*}} x86_intrcc void @{{.*}}foo7{{.*}}(i32* byval(i32) %{{.+}}, i32 %{{.+}})
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// X86_LINUX: define{{.*}} x86_intrcc void @{{.*}}foo8{{.*}}(i32* byval(i32) %{{.+}})
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// X86_LINUX: define linkonce_odr x86_intrcc void @{{.*}}foo9{{.*}}(i32* byval(i32) %{{.+}})
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// X86_64_WIN: @llvm.used = appending global [3 x i8*] [i8* bitcast (void (i32*, i64)* @{{.*}}foo7{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo8{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo9{{.*}} to i8*)], section "llvm.metadata"
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// X86_64_WIN: define dso_local x86_intrcc void @{{.*}}foo7{{.*}}(i32* byval(i32) %{{.+}}, i64 %{{.+}})
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// X86_64_WIN: define dso_local x86_intrcc void @{{.*}}foo8{{.*}}(i32* byval(i32) %{{.+}})
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// X86_64_WIN: define linkonce_odr dso_local x86_intrcc void @{{.*}}foo9{{.*}}(i32* byval(i32) %{{.+}})
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// X86_WIN: @llvm.used = appending global [3 x i8*] [i8* bitcast (void (i32*, i32)* @{{.*}}foo7{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo8{{.*}} to i8*), i8* bitcast (void (i32*)* @{{.*}}foo9{{.*}} to i8*)], section "llvm.metadata"
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// X86_WIN: define dso_local x86_intrcc void @{{.*}}foo7{{.*}}(i32* byval(i32) %{{.+}}, i32 %{{.+}})
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// X86_WIN: define dso_local x86_intrcc void @{{.*}}foo8{{.*}}(i32* byval(i32) %{{.+}})
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// X86_WIN: define linkonce_odr dso_local x86_intrcc void @{{.*}}foo9{{.*}}(i32* byval(i32) %{{.+}})
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