head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC4:1.1.1.3
	netbsd-11-0-RC3:1.1.1.3
	netbsd-11-0-RC2:1.1.1.3
	netbsd-11-0-RC1:1.1.1.3
	perseant-exfatfs-base-20250801:1.1.1.3
	netbsd-11:1.1.1.3.0.10
	netbsd-11-base:1.1.1.3
	netbsd-10-1-RELEASE:1.1.1.3
	perseant-exfatfs-base-20240630:1.1.1.3
	perseant-exfatfs:1.1.1.3.0.8
	perseant-exfatfs-base:1.1.1.3
	netbsd-8-3-RELEASE:1.1.1.1
	netbsd-9-4-RELEASE:1.1.1.2
	netbsd-10-0-RELEASE:1.1.1.3
	netbsd-10-0-RC6:1.1.1.3
	netbsd-10-0-RC5:1.1.1.3
	netbsd-10-0-RC4:1.1.1.3
	netbsd-10-0-RC3:1.1.1.3
	netbsd-10-0-RC2:1.1.1.3
	netbsd-10-0-RC1:1.1.1.3
	netbsd-10:1.1.1.3.0.6
	netbsd-10-base:1.1.1.3
	netbsd-9-3-RELEASE:1.1.1.2
	cjep_sun2x:1.1.1.3.0.4
	cjep_sun2x-base:1.1.1.3
	cjep_staticlib_x-base1:1.1.1.3
	netbsd-9-2-RELEASE:1.1.1.2
	cjep_staticlib_x:1.1.1.3.0.2
	cjep_staticlib_x-base:1.1.1.3
	netbsd-9-1-RELEASE:1.1.1.2
	phil-wifi-20200421:1.1.1.3
	phil-wifi-20200411:1.1.1.3
	phil-wifi-20200406:1.1.1.3
	netbsd-8-2-RELEASE:1.1.1.1
	netbsd-9-0-RELEASE:1.1.1.2
	netbsd-9-0-RC2:1.1.1.2
	netbsd-9-0-RC1:1.1.1.2
	netbsd-9:1.1.1.2.0.2
	netbsd-9-base:1.1.1.2
	phil-wifi-20190609:1.1.1.2
	netbsd-8-1-RELEASE:1.1.1.1
	netbsd-8-1-RC1:1.1.1.1
	pgoyette-compat-merge-20190127:1.1.1.1.14.1
	pgoyette-compat-20190127:1.1.1.2
	pgoyette-compat-20190118:1.1.1.2
	pgoyette-compat-1226:1.1.1.2
	pgoyette-compat-1126:1.1.1.2
	pgoyette-compat-1020:1.1.1.2
	pgoyette-compat-0930:1.1.1.2
	pgoyette-compat-0906:1.1.1.2
	pgoyette-compat-0728:1.1.1.2
	clang-337282:1.1.1.2
	netbsd-8-0-RELEASE:1.1.1.1
	phil-wifi:1.1.1.1.0.16
	phil-wifi-base:1.1.1.1
	pgoyette-compat-0625:1.1.1.1
	netbsd-8-0-RC2:1.1.1.1
	pgoyette-compat-0521:1.1.1.1
	pgoyette-compat-0502:1.1.1.1
	pgoyette-compat-0422:1.1.1.1
	netbsd-8-0-RC1:1.1.1.1
	pgoyette-compat-0415:1.1.1.1
	pgoyette-compat-0407:1.1.1.1
	pgoyette-compat-0330:1.1.1.1
	pgoyette-compat-0322:1.1.1.1
	pgoyette-compat-0315:1.1.1.1
	pgoyette-compat:1.1.1.1.0.14
	pgoyette-compat-base:1.1.1.1
	clang-319952:1.1.1.1
	matt-nb8-mediatek:1.1.1.1.0.12
	matt-nb8-mediatek-base:1.1.1.1
	clang-309604:1.1.1.1
	perseant-stdc-iso10646:1.1.1.1.0.10
	perseant-stdc-iso10646-base:1.1.1.1
	netbsd-8:1.1.1.1.0.8
	netbsd-8-base:1.1.1.1
	prg-localcount2-base3:1.1.1.1
	prg-localcount2-base2:1.1.1.1
	prg-localcount2-base1:1.1.1.1
	prg-localcount2:1.1.1.1.0.6
	prg-localcount2-base:1.1.1.1
	pgoyette-localcount-20170426:1.1.1.1
	bouyer-socketcan-base1:1.1.1.1
	pgoyette-localcount:1.1.1.1.0.4
	pgoyette-localcount-20170320:1.1.1.1
	clang-294123:1.1.1.1
	bouyer-socketcan:1.1.1.1.0.2
	bouyer-socketcan-base:1.1.1.1
	clang-291444:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2017.01.11.10.39.41;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	CNnUNfII1jgNmxBz;

1.1.1.1
date	2017.01.11.10.39.41;	author joerg;	state Exp;
branches
	1.1.1.1.4.1
	1.1.1.1.14.1
	1.1.1.1.16.1;
next	1.1.1.2;
commitid	CNnUNfII1jgNmxBz;

1.1.1.2
date	2018.07.17.18.31.28;	author joerg;	state Exp;
branches;
next	1.1.1.3;
commitid	wDzL46ALjrCZgwKA;

1.1.1.3
date	2019.11.13.22.20.14;	author joerg;	state dead;
branches;
next	;
commitid	QD8YATxuNG34YJKB;

1.1.1.1.4.1
date	2017.01.11.10.39.41;	author pgoyette;	state dead;
branches;
next	1.1.1.1.4.2;
commitid	jjw7cAwgyKq7RfKz;

1.1.1.1.4.2
date	2017.03.20.06.52.58;	author pgoyette;	state Exp;
branches;
next	;
commitid	jjw7cAwgyKq7RfKz;

1.1.1.1.14.1
date	2018.07.28.04.33.42;	author pgoyette;	state Exp;
branches;
next	;
commitid	1UP1xAIUxv1ZgRLA;

1.1.1.1.16.1
date	2019.06.10.21.45.51;	author christos;	state Exp;
branches;
next	1.1.1.1.16.2;
commitid	jtc8rnCzWiEEHGqB;

1.1.1.1.16.2
date	2020.04.13.07.47.28;	author martin;	state dead;
branches;
next	;
commitid	X01YhRUPVUDaec4C;


desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -std=c++1z -emit-llvm -triple x86_64-linux-gnu -o - %s | FileCheck %s

struct A {
  A(int);
  A(A&&);
  A(const A&);
  ~A();

  int arr[10];
};

A f();
void h();

// CHECK-LABEL: define {{.*}} @@_Z1gv(
void g() {
  // CHECK: %[[A:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call
  // CHECK: call {{.*}} @@_Z1fv({{.*}}* sret %[[A]])
  A a = A( A{ f() } );
  // CHECK-NOT: call

  // CHECK: call void @@_Z1hv(
  h();
  // CHECK-NOT: call

  // CHECK: call void @@_ZN1AD1Ev({{.*}}* %[[A]])
  // CHECK-NOT: call
  // CHECK-LABEL: }
}

void f(A);

// CHECK-LABEL: define {{.*}} @@_Z1hv(
void h() {
  // CHECK: %[[A:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call

  // CHECK: call {{.*}} @@_Z1fv({{.*}}* sret %[[A]])
  // CHECK-NOT: call
  // CHECK: call {{.*}} @@_Z1f1A({{.*}}* %[[A]])
  f(f());
  // CHECK-NOT: call
  // CHECK: call void @@_ZN1AD1Ev({{.*}}* %[[A]])

  // CHECK: call void @@_Z1hv(
  h();

  // CHECK-NOT: call
  // CHECK-LABEL: }
}

// We still pass classes with trivial copy/move constructors and destructors in
// registers, even if the copy is formally omitted.
struct B {
  B(int);
  int n;
};

B fB();
void fB(B);

// CHECK-LABEL: define {{.*}} @@_Z1iv(
void i() {
  // CHECK: %[[B:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call

  // CHECK: %[[B_N:.*]] = call i32 @@_Z2fBv()
  // CHECK-NOT: call
  // CHECK: store i32 %[[B_N]],
  // CHECK-NOT: call
  // CHECK: %[[B_N:.*]] = load i32
  // CHECK-NOT: call
  // CHECK: call void @@_Z2fB1B(i32 %[[B_N]])
  fB(fB());

  // CHECK-LABEL: }
}
@


1.1.1.1
log
@Import Clang pre-4.0.0 r291444.
@
text
@@


1.1.1.1.16.1
log
@Sync with HEAD
@
text
@a8 2
  operator bool();

a81 24

// CHECK-LABEL: define {{.*}} @@_Z1jv(
void j() {
  // CHECK:   alloca %{{.*}}*
  // CHECK:   %[[OUTERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   %[[INNERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[INNERTEMP]], i32 1)
  // CHECK:   call zeroext i1 @@_ZN1AcvbEv(%{{.*}} %[[INNERTEMP]])
  // CHECK:   br i1
  //
  // CHECK:   call void @@_ZN1AC1EOS_(%{{.*}} %[[OUTERTEMP]], %{{.*}} %[[INNERTEMP]])
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[OUTERTEMP]], i32 2)
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[INNERTEMP]])
  A &&a = A(1) ?: A(2);

  // CHECK:   call void @@_Z1iv()
  i();

  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[OUTERTEMP]])
}
@


1.1.1.1.16.2
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.1.14.1
log
@Sync with HEAD
@
text
@a8 2
  operator bool();

a81 24

// CHECK-LABEL: define {{.*}} @@_Z1jv(
void j() {
  // CHECK:   alloca %{{.*}}*
  // CHECK:   %[[OUTERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   %[[INNERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[INNERTEMP]], i32 1)
  // CHECK:   call zeroext i1 @@_ZN1AcvbEv(%{{.*}} %[[INNERTEMP]])
  // CHECK:   br i1
  //
  // CHECK:   call void @@_ZN1AC1EOS_(%{{.*}} %[[OUTERTEMP]], %{{.*}} %[[INNERTEMP]])
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[OUTERTEMP]], i32 2)
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[INNERTEMP]])
  A &&a = A(1) ?: A(2);

  // CHECK:   call void @@_Z1iv()
  i();

  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[OUTERTEMP]])
}
@


1.1.1.2
log
@Import clang r337282 from trunk
@
text
@a8 2
  operator bool();

a81 24

// CHECK-LABEL: define {{.*}} @@_Z1jv(
void j() {
  // CHECK:   alloca %{{.*}}*
  // CHECK:   %[[OUTERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   %[[INNERTEMP:.*]] = alloca %{{.*}}
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[INNERTEMP]], i32 1)
  // CHECK:   call zeroext i1 @@_ZN1AcvbEv(%{{.*}} %[[INNERTEMP]])
  // CHECK:   br i1
  //
  // CHECK:   call void @@_ZN1AC1EOS_(%{{.*}} %[[OUTERTEMP]], %{{.*}} %[[INNERTEMP]])
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AC1Ei(%{{.*}} %[[OUTERTEMP]], i32 2)
  // CHECK:   br label
  //
  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[INNERTEMP]])
  A &&a = A(1) ?: A(2);

  // CHECK:   call void @@_Z1iv()
  i();

  // CHECK:   call void @@_ZN1AD1Ev(%{{.*}} %[[OUTERTEMP]])
}
@


1.1.1.3
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.4.1
log
@file cxx1z-copy-omission.cpp was added on branch pgoyette-localcount on 2017-03-20 06:52:58 +0000
@
text
@d1 81
@


1.1.1.1.4.2
log
@Sync with HEAD
@
text
@a0 81
// RUN: %clang_cc1 -std=c++1z -emit-llvm -triple x86_64-linux-gnu -o - %s | FileCheck %s

struct A {
  A(int);
  A(A&&);
  A(const A&);
  ~A();

  int arr[10];
};

A f();
void h();

// CHECK-LABEL: define {{.*}} @@_Z1gv(
void g() {
  // CHECK: %[[A:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call
  // CHECK: call {{.*}} @@_Z1fv({{.*}}* sret %[[A]])
  A a = A( A{ f() } );
  // CHECK-NOT: call

  // CHECK: call void @@_Z1hv(
  h();
  // CHECK-NOT: call

  // CHECK: call void @@_ZN1AD1Ev({{.*}}* %[[A]])
  // CHECK-NOT: call
  // CHECK-LABEL: }
}

void f(A);

// CHECK-LABEL: define {{.*}} @@_Z1hv(
void h() {
  // CHECK: %[[A:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call

  // CHECK: call {{.*}} @@_Z1fv({{.*}}* sret %[[A]])
  // CHECK-NOT: call
  // CHECK: call {{.*}} @@_Z1f1A({{.*}}* %[[A]])
  f(f());
  // CHECK-NOT: call
  // CHECK: call void @@_ZN1AD1Ev({{.*}}* %[[A]])

  // CHECK: call void @@_Z1hv(
  h();

  // CHECK-NOT: call
  // CHECK-LABEL: }
}

// We still pass classes with trivial copy/move constructors and destructors in
// registers, even if the copy is formally omitted.
struct B {
  B(int);
  int n;
};

B fB();
void fB(B);

// CHECK-LABEL: define {{.*}} @@_Z1iv(
void i() {
  // CHECK: %[[B:.*]] = alloca
  // CHECK-NOT: alloca
  // CHECK-NOT: call

  // CHECK: %[[B_N:.*]] = call i32 @@_Z2fBv()
  // CHECK-NOT: call
  // CHECK: store i32 %[[B_N]],
  // CHECK-NOT: call
  // CHECK: %[[B_N:.*]] = load i32
  // CHECK-NOT: call
  // CHECK: call void @@_Z2fB1B(i32 %[[B_N]])
  fB(fB());

  // CHECK-LABEL: }
}
@