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[AArch64]Fix the problem can't select concat_vectors of two v1i32 types. 

Also fix the problem can't select scalar_to_vector from f32 to v2f32/v4f32.

llvm-svn: 199461
This commit is contained in:
Hao Liu 2014-01-17 05:44:46 +00:00
parent 4997b21a80
commit 18d92262c5
3 changed files with 42 additions and 12 deletions
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4
llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
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@ -324,13 +324,11 @@ AArch64TargetLowering::AArch64TargetLowering(AArch64TargetMachine &TM)
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v1f64, Custom);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v2f64, Custom);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v2i32, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v16i8, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v8i16, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v4i32, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v2i64, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v8i16, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v4i32, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v2i64, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v4f32, Legal);
setOperationAction(ISD::CONCAT_VECTORS, MVT::v2f64, Legal);

18
llvm/lib/Target/AArch64/AArch64InstrNEON.td
View File

@ -6888,15 +6888,10 @@ def : Pat<(v4i32 (scalar_to_vector GPR32:$Rn)),
def : Pat<(v2i64 (scalar_to_vector GPR64:$Rn)),
(INSdx (v2i64 (IMPLICIT_DEF)), $Rn, (i64 0))>;
def : Pat<(v2i32 (scalar_to_vector GPR32:$Rn)),
(v2i32 (EXTRACT_SUBREG (v16i8
(INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))),
sub_64))>;
def : Pat<(v2i32 (scalar_to_vector GPR32:$Rn)),
(v2i32 (EXTRACT_SUBREG (v16i8
(INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))),
sub_64))>;
def : Pat<(v2f32 (scalar_to_vector (f32 FPR32:$Rn))),
(SUBREG_TO_REG (i64 0), FPR32:$Rn, sub_32)>;
def : Pat<(v4f32 (scalar_to_vector (f32 FPR32:$Rn))),
(SUBREG_TO_REG (i64 0), FPR32:$Rn, sub_32)>;
def : Pat<(v1f64 (scalar_to_vector (f64 FPR64:$Rn))),
(v1f64 FPR64:$Rn)>;
@ -7063,6 +7058,11 @@ defm : Concat_Vector_Pattern<v2i64, v1i64>;
defm : Concat_Vector_Pattern<v4f32, v2f32>;
defm : Concat_Vector_Pattern<v2f64, v1f64>;
def : Pat<(v2i32 (concat_vectors (v1i32 FPR32:$Rn), (v1i32 FPR32:$Rn))),
(DUPELT2s (v4i32 (SUBREG_TO_REG(i64 0), $Rn, sub_32)), 0)>;
def : Pat<(v2i32 (concat_vectors undef, (v1i32 FPR32:$Rn))),
(DUPELT2s (v4i32 (SUBREG_TO_REG(i64 0), $Rn, sub_32)), 0)>;
//patterns for EXTRACT_SUBVECTOR
def : Pat<(v8i8 (extract_subvector (v16i8 VPR128:$Rn), (i64 0))),
(v8i8 (EXTRACT_SUBREG VPR128:$Rn, sub_64))>;

32
llvm/test/CodeGen/AArch64/neon-copy.ll
View File

@ -948,3 +948,35 @@ entry:
ret <2 x i32> %vecinit1.i
}
define <2 x i32> @test_concat_undef_v1i32(<1 x i32> %a) {
; CHECK-LABEL: test_concat_undef_v1i32:
; CHECK: dup v{{[0-9]+}}.2s, v{{[0-9]+}}.s[0]
entry:
%0 = extractelement <1 x i32> %a, i32 0
%vecinit1.i = insertelement <2 x i32> undef, i32 %0, i32 1
ret <2 x i32> %vecinit1.i
}
define <2 x i32> @test_concat_v1i32_v1i32(<1 x i32> %a) {
; CHECK-LABEL: test_concat_v1i32_v1i32:
; CHECK: dup v{{[0-9]+}}.2s, v{{[0-9]+}}.s[0]
entry:
%0 = extractelement <1 x i32> %a, i32 0
%vecinit.i = insertelement <2 x i32> undef, i32 %0, i32 0
%vecinit1.i = insertelement <2 x i32> %vecinit.i, i32 %0, i32 1
ret <2 x i32> %vecinit1.i
}
define <2 x float> @test_scalar_to_vector_f32_to_v2f32(<1 x float> %a) {
entry:
%0 = extractelement <1 x float> %a, i32 0
%vecinit1.i = insertelement <2 x float> undef, float %0, i32 0
ret <2 x float> %vecinit1.i
}
define <4 x float> @test_scalar_to_vector_f32_to_v4f32(<1 x float> %a) {
entry:
%0 = extractelement <1 x float> %a, i32 0
%vecinit1.i = insertelement <4 x float> undef, float %0, i32 0
ret <4 x float> %vecinit1.i
}