diff options
Diffstat (limited to 'test/CodeGenCXX/cxx11-initializer-array-new.cpp')
-rw-r--r-- | test/CodeGenCXX/cxx11-initializer-array-new.cpp | 86 |
1 files changed, 70 insertions, 16 deletions
diff --git a/test/CodeGenCXX/cxx11-initializer-array-new.cpp b/test/CodeGenCXX/cxx11-initializer-array-new.cpp index 23577be..2393939 100644 --- a/test/CodeGenCXX/cxx11-initializer-array-new.cpp +++ b/test/CodeGenCXX/cxx11-initializer-array-new.cpp @@ -28,7 +28,7 @@ void *p = new S[2][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; // // { 4, 5, 6 } // -// CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1 +// CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i32 1 // // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) @@ -56,7 +56,6 @@ void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; // CHECK: store i64 %[[ELTS]], i64* %[[COOKIE]] // CHECK: %[[START_AS_i8:.*]] = getelementptr inbounds i8* %[[ALLOC]], i64 8 // CHECK: %[[START_AS_S:.*]] = bitcast i8* %[[START_AS_i8]] to %[[S]]* -// CHECK: %[[END_AS_S:.*]] = getelementptr inbounds %[[S]]* %[[START_AS_S]], i64 %[[ELTS]] // // Explicit initializers: // @@ -73,7 +72,7 @@ void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; // // { 4, 5, 6 } // -// CHECK: %[[S_1:.*]] = getelementptr [3 x %[[S]]]* %[[S_0]], i32 1 +// CHECK: %[[S_1:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_0]], i32 1 // // CHECK: %[[S_1_0:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i64 0, i64 0 // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_0]], i32 4) @@ -82,25 +81,80 @@ void *q = new S[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; // CHECK: %[[S_1_2:.*]] = getelementptr inbounds %[[S]]* %[[S_1_1]], i64 1 // CHECK: call void @_ZN1SC1Ei(%[[S]]* %[[S_1_2]], i32 6) // -// CHECK: %[[S_2:.*]] = getelementptr [3 x %[[S]]]* %[[S_1]], i32 1 +// And the rest. +// +// CHECK: %[[S_2:.*]] = getelementptr inbounds [3 x %[[S]]]* %[[S_1]], i32 1 // CHECK: %[[S_2_AS_S:.*]] = bitcast [3 x %[[S]]]* %[[S_2]] to %[[S]]* -// CHECK: icmp eq %[[S]]* %[[S_2_AS_S]], %[[END_AS_S]] -// CHECK: br i1 // -// S[n-2][3] initialization loop: +// CHECK: %[[REST:.*]] = sub i64 %[[ELTS]], 6 +// CHECK: icmp eq i64 %[[REST]], 0 +// CHECK: br i1 // -// CHECK: %[[END_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 3 +// CHECK: %[[END:.*]] = getelementptr inbounds %[[S]]* %[[S_2_AS_S]], i64 %[[REST]] // CHECK: br label // -// S[3] initialization loop: +// CHECK: %[[CUR:.*]] = phi %[[S]]* [ %[[S_2_AS_S]], {{.*}} ], [ %[[NEXT:.*]], {{.*}} ] +// CHECK: call void @_ZN1SC1Ev(%[[S]]* %[[CUR]]) +// CHECK: %[[NEXT]] = getelementptr inbounds %[[S]]* %[[CUR]], i64 1 +// CHECK: icmp eq %[[S]]* %[[NEXT]], %[[END]] +// CHECK: br i1 // -// CHECK: call void @_ZN1SC1Ev(%[[S]]* -// CHECK: %[[NEXT_INNER:.*]] = getelementptr inbounds %[[S]]* %{{.*}}, i64 1 -// CHECK: icmp eq %[[S]]* %[[NEXT_INNER]], %[[END_INNER]] -// CHECK: br i1 +// CHECK: } + +struct T { int a; }; +void *r = new T[n][3]{ { 1, 2, 3 }, { 4, 5, 6 } }; + +// CHECK-LABEL: define // -// CHECK: %[[NEXT_OUTER:.*]] = getelementptr %[[S]]* %{{.*}}, i32 1 -// CHECK: icmp eq %[[S]]* %[[NEXT_OUTER]], %[[END_AS_S]] -// CHECK: br i1 +// CHECK: load i32* @n +// CHECK: call {{.*}} @llvm.umul.with.overflow.i64(i64 %[[N:.*]], i64 12) +// CHECK: %[[ELTS:.*]] = mul i64 %[[N]], 3 +// +// No cookie. +// CHECK-NOT: @llvm.uadd.with.overflow +// +// CHECK: %[[ALLOC:.*]] = call noalias i8* @_Znam(i64 %{{.*}}) +// +// CHECK: %[[START_AS_T:.*]] = bitcast i8* %[[ALLOC]] to %[[T:.*]]* +// +// Explicit initializers: +// +// { 1, 2, 3 } +// +// CHECK: %[[T_0:.*]] = bitcast %[[T]]* %[[START_AS_T]] to [3 x %[[T]]]* +// +// CHECK: %[[T_0_0:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_0]], i64 0, i64 0 +// CHECK: %[[T_0_0_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_0]], i32 0, i32 0 +// CHECK: store i32 1, i32* %[[T_0_0_0]] +// CHECK: %[[T_0_1:.*]] = getelementptr inbounds %[[T]]* %[[T_0_0]], i64 1 +// CHECK: %[[T_0_1_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_1]], i32 0, i32 0 +// CHECK: store i32 2, i32* %[[T_0_1_0]] +// CHECK: %[[T_0_2:.*]] = getelementptr inbounds %[[T]]* %[[T_0_1]], i64 1 +// CHECK: %[[T_0_2_0:.*]] = getelementptr inbounds %[[T]]* %[[T_0_2]], i32 0, i32 0 +// CHECK: store i32 3, i32* %[[T_0_2_0]] +// +// { 4, 5, 6 } +// +// CHECK: %[[T_1:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_0]], i32 1 +// +// CHECK: %[[T_1_0:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_1]], i64 0, i64 0 +// CHECK: %[[T_1_0_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_0]], i32 0, i32 0 +// CHECK: store i32 4, i32* %[[T_1_0_0]] +// CHECK: %[[T_1_1:.*]] = getelementptr inbounds %[[T]]* %[[T_1_0]], i64 1 +// CHECK: %[[T_1_1_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_1]], i32 0, i32 0 +// CHECK: store i32 5, i32* %[[T_1_1_0]] +// CHECK: %[[T_1_2:.*]] = getelementptr inbounds %[[T]]* %[[T_1_1]], i64 1 +// CHECK: %[[T_1_2_0:.*]] = getelementptr inbounds %[[T]]* %[[T_1_2]], i32 0, i32 0 +// CHECK: store i32 6, i32* %[[T_1_2_0]] +// +// And the rest gets memset to 0. +// +// CHECK: %[[T_2:.*]] = getelementptr inbounds [3 x %[[T]]]* %[[T_1]], i32 1 +// CHECK: %[[T_2_AS_T:.*]] = bitcast [3 x %[[T]]]* %[[T_2]] to %[[T]]* +// +// CHECK: %[[SIZE:.*]] = sub i64 %{{.*}}, 24 +// CHECK: %[[REST:.*]] = bitcast %[[T]]* %[[T_2_AS_T]] to i8* +// CHECK: call void @llvm.memset.p0i8.i64(i8* %[[REST]], i8 0, i64 %[[SIZE]], i32 4, i1 false) // // CHECK: } + |