[clang] [RISCV] full support for riscv_rvv_vector_bits attribute (PR #100110)

[Vladislav Belov via cfe-commits]

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@@ -176,477 +177,3110 @@ typedef vbool1_t fixed_bool1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fi
 typedef vbool2_t fixed_bool2_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/2)));
 typedef vbool4_t fixed_bool4_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/4)));
 typedef vbool8_t fixed_bool8_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/8)));
-#if __riscv_v_fixed_vlen >= 128
 typedef vbool16_t fixed_bool16_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/16)));
-#endif
-#if __riscv_v_fixed_vlen >= 256
 typedef vbool32_t fixed_bool32_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/32)));
-#endif
-#if __riscv_v_fixed_vlen >= 512
 typedef vbool64_t fixed_bool64_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/64)));
-#endif
 
 template <typename T> struct S {};
 
-// CHECK-64: _Z2f11SI9__RVV_VLSIu14__rvv_int8m1_tLj64EEE
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vbe-sc wrote:

Many thanks for your comment: it allowed me to understand this test and find an improvement in `clang/./lib/AST/ItaniumMangle.cpp` for my patch. 
Fixed

https://github.com/llvm/llvm-project/pull/100110