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6b3351792c
For a definition (of most linkage types), dso_local is set for ELF -fno-pic/-fpie
and COFF, but not for Mach-O. This nuance causes unneeded binary format differences.
This patch replaces (function) `define ` with `define{{.*}} `,
(variable/constant/alias) `= ` with `={{.*}} `, or inserts appropriate `{{.*}} `
if there is an explicit linkage.
* Clang will set dso_local for Mach-O, which is currently implied by TargetMachine.cpp. This will make COFF/Mach-O and executable ELF similar.
* Eventually I hope we can make dso_local the textual LLVM IR default (write explicit "dso_preemptable" when applicable) and -fpic ELF will be similar to everything else. This patch helps move toward that goal.
77 lines
1.4 KiB
C++
77 lines
1.4 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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// PR5484
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namespace PR5484 {
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struct A { };
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extern A a;
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void f(const A & = a);
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void g() {
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f();
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}
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}
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struct A1 {
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A1();
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~A1();
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};
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struct A2 {
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A2();
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~A2();
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};
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struct B {
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B(const A1& = A1(), const A2& = A2());
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};
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// CHECK-LABEL: define{{.*}} void @_Z2f1v()
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void f1() {
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// CHECK: call void @_ZN2A1C1Ev(
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// CHECK: call void @_ZN2A2C1Ev(
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// CHECK: call void @_ZN1BC1ERK2A1RK2A2(
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// CHECK: call void @_ZN2A2D1Ev
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// CHECK: call void @_ZN2A1D1Ev
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B bs[2];
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}
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struct C {
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B bs[2];
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C();
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};
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// CHECK-LABEL: define{{.*}} void @_ZN1CC2Ev(%struct.C* {{[^,]*}} %this) unnamed_addr
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// CHECK: call void @_ZN2A1C1Ev(
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// CHECK: call void @_ZN2A2C1Ev(
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// CHECK: call void @_ZN1BC1ERK2A1RK2A2(
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// CHECK: call void @_ZN2A2D1Ev
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// CHECK: call void @_ZN2A1D1Ev
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// CHECK-LABEL: define{{.*}} void @_ZN1CC1Ev(%struct.C* {{[^,]*}} %this) unnamed_addr
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// CHECK: call void @_ZN1CC2Ev(
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C::C() { }
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// CHECK-LABEL: define{{.*}} void @_Z2f3v()
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void f3() {
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// CHECK: call void @_ZN2A1C1Ev(
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// CHECK: call void @_ZN2A2C1Ev(
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// CHECK: call void @_ZN1BC1ERK2A1RK2A2(
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// CHECK: call void @_ZN2A2D1Ev
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// CHECK: call void @_ZN2A1D1Ev
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B *bs = new B[2];
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delete bs;
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}
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void f4() {
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void g4(int a, int b = 7);
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{
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void g4(int a, int b = 5);
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}
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void g4(int a = 5, int b);
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// CHECK: call void @_Z2g4ii(i32 5, i32 7)
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g4();
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}
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