Revert "Emit lifetime.start / lifetime.end markers for unnamed temporary objects."

This reverts commit dbf785a6432f78a8ec229665876647c4cc610d3d, while I qm
investigating a buildbot failure.

llvm-svn: 213380

1 files changed, 0 insertions, 98 deletions

diff --git a/clang/test/CodeGenCXX/unnamed-object-lifetime.cpp b/clang/test/CodeGenCXX/unnamed-object-lifetime.cpp
deleted file mode 100644
index 2d948ff6118..00000000000
--- a/clang/test/CodeGenCXX/unnamed-object-lifetime.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -O1 -o - %s | FileCheck %s
-// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -O1 -fcxx-exceptions -fexceptions -o - %s | FileCheck --check-prefix=CHECK-EH %s
-
-// Test lifetime marker generation for unnamed temporary objects.
-
-struct X {
-  X();
-  ~X();
-  char t[33]; // make the class big enough so that lifetime markers get inserted
-};
-
-extern void useX(const X &);
-
-// CHECK-LABEL: define void @_Z6simplev
-// CHECK-EH-LABEL: define void @_Z6simplev
-void simple() {
-  // CHECK: [[ALLOCA:%.*]] = alloca %struct.X
-  // CHECK: [[PTR:%.*]] = getelementptr inbounds %struct.X* [[ALLOCA]], i32 0, i32 0, i32 0
-  // CHECK: call void @llvm.lifetime.start(i64 33, i8* [[PTR]])
-  // CHECK-NEXT: call void @_ZN1XC1Ev
-  // CHECK-NEXT: call void @_Z4useXRK1X
-  // CHECK-NEXT: call void @_ZN1XD1Ev
-  // CHECK-NEXT: call void @llvm.lifetime.end(i64 33, i8* [[PTR]])
-  //
-  // CHECK-EH: [[ALLOCA:%.*]] = alloca %struct.X
-  // CHECK-EH: [[PTR:%.*]] = getelementptr inbounds %struct.X* [[ALLOCA]], i32 0, i32 0, i32 0
-  // CHECK-EH: call void @llvm.lifetime.start(i64 33, i8* [[PTR]])
-  // CHECK-EH-NEXT: call void @_ZN1XC1Ev
-  // CHECK-EH: invoke void @_Z4useXRK1X
-  // CHECK-EH: invoke void @_ZN1XD1Ev
-  // CHECK-EH: call void @llvm.lifetime.end(i64 33, i8* [[PTR]])
-  // CHECK-EH: call void @llvm.lifetime.end(i64 33, i8* [[PTR]])
-  useX(X());
-}
-
-struct Y {
-  Y(){}
-  ~Y(){}
-  char t[34]; // make the class big enough so that lifetime markers get inserted
-};
-
-extern void useY(const Y &);
-
-// Check lifetime markers are inserted, despite Y's trivial constructor & destructor
-// CHECK-LABEL: define void @_Z7trivialv
-// CHECK-EH-LABEL: define void @_Z7trivialv
-void trivial() {
-  // CHECK: [[ALLOCA:%.*]] = alloca %struct.Y
-  // CHECK: [[PTR:%.*]] = getelementptr inbounds %struct.Y* [[ALLOCA]], i32 0, i32 0, i32 0
-  // CHECK: call void @llvm.lifetime.start(i64 34, i8* [[PTR]])
-  // CHECK-NEXT: call void @_Z4useYRK1Y
-  // CHECK-NEXT: call void @llvm.lifetime.end(i64 34, i8* [[PTR]])
-  //
-  // CHECK-EH: [[ALLOCA:%.*]] = alloca %struct.Y
-  // CHECK-EH: [[PTR:%.*]] = getelementptr inbounds %struct.Y* [[ALLOCA]], i32 0, i32 0, i32 0
-  // CHECK-EH: call void @llvm.lifetime.start(i64 34, i8* [[PTR]])
-  // CHECK-EH-NEXT: invoke void @_Z4useYRK1Y
-  // CHECK-EH: call void @llvm.lifetime.end(i64 34, i8* [[PTR]])
-  // CHECK-EH: call void @llvm.lifetime.end(i64 34, i8* [[PTR]])
-  useY(Y());
-}
-
-struct Z {
-  Z();
-  ~Z();
-  char t;
-};
-
-extern void useZ(const Z &);
-
-// Check lifetime markers are not inserted if the unnamed object is too small
-// CHECK-LABEL: define void @_Z8tooSmallv
-// CHECK-EH-LABEL: define void @_Z8tooSmallv
-void tooSmall() {
-  // CHECK-NOT: call void @llvm.lifetime.start
-  // CHECK: call void @_Z4useZRK1Z
-  // CHECK-NOT: call void @llvm.lifetime.end
-  // CHECK: ret
-  //
-  // CHECK-EH-NOT: call void @llvm.lifetime.start
-  // CHECK-EH: invoke void @_Z4useZRK1Z
-  // CHECK-EH-NOT: call void @llvm.lifetime.end
-  // CHECK-EH: ret
-  useZ(Z());
-}
-
-// Check the lifetime are inserted at the right place in their respective scope
-// CHECK-LABEL: define void @_Z6scopesv
-void scopes() {
-  // CHECK: alloca %struct
-  // CHECK: alloca %struct
-  // CHECK: call void @llvm.lifetime.start(i64 33, i8* [[X:%.*]])
-  // CHECK: call void @llvm.lifetime.end(i64 33, i8* [[X]])
-  // CHECK: call void @llvm.lifetime.start(i64 34, i8* [[Y:%.*]])
-  // CHECK: call void @llvm.lifetime.end(i64 34, i8* [[Y]])
-  useX(X());
-  useY(Y());
-}