clang/test/CodeGenCXX/mangle-ms-md5.cpp

   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