diff options
| -rw-r--r-- | tools/llvm-stress/llvm-stress.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/llvm-stress/llvm-stress.cpp b/tools/llvm-stress/llvm-stress.cpp index c0950591b1..7da80bcff9 100644 --- a/tools/llvm-stress/llvm-stress.cpp +++ b/tools/llvm-stress/llvm-stress.cpp @@ -202,11 +202,17 @@ protected: /// Pick a random vector type. Type *pickVectorType(unsigned len = (unsigned)-1) { - Type *Ty = pickScalarType(); // Pick a random vector width in the range 2**0 to 2**4. // by adding two randoms we are generating a normal-like distribution // around 2**3. unsigned width = 1<<((Ran->Rand() % 3) + (Ran->Rand() % 3)); + Type *Ty; + + // Vectors of x86mmx are illegal; keep trying till we get something else. + do { + Ty = pickScalarType(); + } while (Ty->isX86_MMXTy()); + if (len != (unsigned)-1) width = len; return VectorType::get(Ty, width); |