derek.holloway
7502bf64a4
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30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
// RUN: %clang_cc1 -emit-llvm -triple x86_64 %s -o - | FileCheck %s
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/// Set !retain regardless of the target. The backend will lower !retain to
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/// SHF_GNU_RETAIN on ELF and ignore the metadata for other binary formats.
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// CHECK: @c0 ={{.*}} constant i32 {{.*}}
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// CHECK: @foo.l0 = internal global i32 {{.*}}
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// CHECK: @g0 ={{.*}} global i32 {{.*}}
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// CHECK-NEXT: @g1 ={{.*}} global i32 {{.*}}
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// CHECK-NEXT: @g3 = internal global i32 {{.*}}
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// CHECK-NEXT: @g4 = internal global i32 0, section ".data.g"{{.*}}
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// CHECK: @llvm.used = appending global [8 x ptr] [ptr @c0, ptr @foo.l0, ptr @f0, ptr @f2, ptr @g0, ptr @g1, ptr @g3, ptr @g4], section "llvm.metadata"
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// CHECK: @llvm.compiler.used = appending global [3 x ptr] [ptr @f2, ptr @g3, ptr @g4], section "llvm.metadata"
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const int c0 __attribute__((retain)) = 42;
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void foo(void) {
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static int l0 __attribute__((retain)) = 2;
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}
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__attribute__((retain)) int g0;
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int g1 __attribute__((retain));
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__attribute__((retain)) static int g2;
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__attribute__((used, retain)) static int g3;
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__attribute__((used, retain, section(".data.g"))) static int g4;
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void __attribute__((retain)) f0(void) {}
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static void __attribute__((retain)) f1(void) {}
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static void __attribute__((used, retain)) f2(void) {}
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