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 `{{.*}} `.
16 lines
458 B
C
16 lines
458 B
C
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -O3 \
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// RUN: -debug-info-kind=limited -o - -debugger-tuning=gdb -dwarf-version=4 \
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// RUN: | FileCheck %s
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// Makes sure there is no !dbg between function attributes and '{'.
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// CHECK-LABEL: define{{.*}} void @foo{{.*}} #{{[0-9]+}} {
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// CHECK-NOT: ret {{.*}}!dbg
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__attribute__((nodebug)) void foo(int *a) {
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*a = 1;
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}
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// CHECK-LABEL: define {{.*}}@bar{{.*}}!dbg
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void bar(int *a) {
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foo(a);
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}
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