1 // RUN: %clang_cc1 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck %s 2 // Define macros, using token pasting, to build up an identifier of any length 3 #define C_(P1, P2) P1##P2 4 #define C2(P1, P2) C_(P1, P2) 5 #define C4(P1, P2, P3, P4) C2(C2(P1, P2), C2(P3, P4)) 6 7 #define X2(X) C2(X, X) 8 #define X4(X) X2(X2(X)) 9 #define X8(X) X2(X4(X)) 10 #define X16(X) X2(X8(X)) 11 #define X32(X) X2(X16(X)) 12 #define X64(X) X2(X32(X)) 13 #define X128(X) X2(X64(X)) 14 #define X256(X) X2(X128(X)) 15 #define X512(X) X2(X256(X)) 16 #define X1024(X) X2(X512(X)) 17 #define X2048(X) X2(X1024(X)) 18 #define X4096(X) X2(X2048(X)) 19 20 #define X4095(X) \ 21 C2(C2( \ 22 C4(X, X2(X), X4(X), X8(X)), \ 23 C4(X16(X), X32(X), X64(X), X128(X))), \ 24 C4(X256(X), X512(X), X1024(X), X2048(X))) 25 26 int X4095(x); 27 #define Y4095 X4095(y) 28 // CHECK-DAG: @"??@bf7ea7b95f260b0b24e7f1e8fc8370ab@" = dso_local global i32 0, align 4 29 30 struct Y4095 { 31 Y4095 (); 32 virtual void f(); 33 }; 34 Y4095::Y4095() {} 35 // CHECK-DAG: @"??@a6a285da2eea70dba6b578022be61d81@??_R4@" = linkonce_odr constant %rtti.CompleteObjectLocator 36 // CHECK-DAG: @"??@a6a285da2eea70dba6b578022be61d81@" = unnamed_addr alias 37 38 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=18.0 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=HAVECTOR %s 39 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=19.0 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=OMITCTOR %s 40 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=19.10 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=OMITCTOR %s 41 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=19.11 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=OMITCTOR %s 42 // FIXME: Not known where between 19.11 and 19.14 this changed. 43 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=19.14 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=HAVECTOR %s 44 // RUN: %clang_cc1 -DTHROW -fcxx-exceptions -fms-compatibility-version=19.20 -emit-llvm -o - -triple i686-pc-win32 %s | FileCheck --check-prefix=HAVECTOR %s 45 #ifdef THROW 46 void g() { 47 throw Y4095(); 48 // OMITCTOR: "_CT??@c14087f0ec22b387aea7c59083f4f546@4" 49 // HAVECTOR: "_CT??@c14087f0ec22b387aea7c59083f4f546@??@4ef4f8979c81f9d2224b32bf327e6bdf@4" 50 } 51 #endif 52 53 // Verify the threshold where md5 mangling kicks in 54 // Test an ident with 4088 characters, pre-hash, MangleName.size() is 4095 55 #define X4088(X) \ 56 C2(C2( \ 57 C4(X, X4(X), X4(X), X8(X)), \ 58 C4(X8(X), X32(X), X64(X), X128(X))), \ 59 C4(X256(X), X512(X), X1024(X), X2048(X))) 60 #define Z4088 X4088(z) 61 // Use initialization to verify mangled name association in the il 62 int X4088(z) = 1515; 63 // CHECK-DAG: @"?{{z+}}@@3HA" = dso_local global i32 1515, align 4 64 65 // Test an ident with 4089 characters, pre-hash, MangleName.size() is 4096 66 #define X4089(X) \ 67 C2(C2( \ 68 C4(X2(X), X4(X), X4(X), X8(X)), \ 69 C4(X8(X), X32(X), X64(X), X128(X))), \ 70 C4(X256(X), X512(X), X1024(X), X2048(X))) 71 // Use initialization to verify mangled name association in the il 72 int X4089(z) = 1717; 73 // CHECK-DAG: @"??@0269945400a3474730d6880df0967d8f@" = dso_local global i32 1717, align 4 74