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Add isVCVT_N flag to identify Neon VCVT_N intrinsics, which require special 

range checking for immediate operands.  Radar 9558930.

llvm-svn: 132783
This commit is contained in:
Bob Wilson 2011-06-09 17:03:27 +00:00
parent 6b03ec7581
commit 8b51f19ec1
2 changed files with 13 additions and 3 deletions
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7
clang/include/clang/Basic/arm_neon.td
View File

@ -75,6 +75,7 @@ class Inst <string n, string p, string t, Op o> {
string Types = t;
Op Operand = o;
bit isShift = 0;
bit isVCVT_N = 0;
}
// Used to generate Builtins.def:
@ -297,11 +298,13 @@ def VGET_LOW : Inst<"vget_low", "dk", "csilhfUcUsUiUlPcPs", OP_LO>;
def VCVT_S32 : SInst<"vcvt_s32", "xd", "fQf">;
def VCVT_U32 : SInst<"vcvt_u32", "ud", "fQf">;
def VCVT_F16 : SInst<"vcvt_f16", "hk", "f">;
def VCVT_N_S32 : SInst<"vcvt_n_s32", "xdi", "fQf">;
def VCVT_N_U32 : SInst<"vcvt_n_u32", "udi", "fQf">;
def VCVT_F32 : SInst<"vcvt_f32", "fd", "iUiQiQUi">;
def VCVT_F32_F16 : SInst<"vcvt_f32_f16", "fd", "h">;
let isVCVT_N = 1 in {
def VCVT_N_S32 : SInst<"vcvt_n_s32", "xdi", "fQf">;
def VCVT_N_U32 : SInst<"vcvt_n_u32", "udi", "fQf">;
def VCVT_N_F32 : SInst<"vcvt_n_f32", "fdi", "iUiQiQUi">;
}
def VMOVN : IInst<"vmovn", "hk", "silUsUiUl">;
def VMOVL : SInst<"vmovl", "wd", "csiUcUsUi">;
def VQMOVN : SInst<"vqmovn", "hk", "silUsUiUl">;

9
clang/test/Sema/arm-neon-types.c
View File

@ -9,5 +9,12 @@ int32x2_t test(int32x2_t x) {
// ...but should warn when the types really do not match.
float32x2_t test2(uint32x2_t x) {
return vcvt_n_f32_s32(x, 0); // expected-warning {{incompatible vector types}}
return vcvt_n_f32_s32(x, 9); // expected-warning {{incompatible vector types}}
}
// Check immediate range for vcvt_n intrinsics is 1 to 32. Radar 9558930.
float32x2_t test3(uint32x2_t x) {
// FIXME: The "incompatible result type" error is due to pr10112 and should be
// removed when that is fixed.
return vcvt_n_f32_u32(x, 0); // expected-error {{argument should be a value from 1 to 32}} expected-error {{incompatible result type}}
}