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Add missed extract_element pattern

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-08-28 23:41:26 +00:00
parent e4b275610a
commit 2324bdc1ee
2 changed files with 28 additions and 1 deletions
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4
lib/Target/ARM/ARMInstrNEON.td
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@ -284,7 +284,7 @@ def DSubReg_f64_reg : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(5 + N->getZExtValue(), MVT::i32);
}]>;
// Extract S sub-registers of Q registers.
// Extract S sub-registers of Q/D registers.
// (arm_ssubreg_0 is 1; arm_ssubreg_1 is 2; etc.)
def SSubReg_f32_reg : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(1 + N->getZExtValue(), MVT::i32);
@ -1672,6 +1672,8 @@ def : Pat<(extractelt (v4i32 QPR:$src), imm:$lane),
(VGETLNi32 (v2i32 (EXTRACT_SUBREG QPR:$src,
(DSubReg_i32_reg imm:$lane))),
(SubReg_i32_lane imm:$lane))>;
def : Pat<(extractelt (v2f32 DPR:$src1), imm:$src2),
(EXTRACT_SUBREG DPR:$src1, (SSubReg_f32_reg imm:$src2))>;
def : Pat<(extractelt (v4f32 QPR:$src1), imm:$src2),
(EXTRACT_SUBREG QPR:$src1, (SSubReg_f32_reg imm:$src2))>;
//def : Pat<(extractelt (v2i64 QPR:$src1), imm:$src2),

25
test/CodeGen/ARM/2009-08-29-ExtractEltf32.ll Normal file
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@ -0,0 +1,25 @@
; RUN: llvm-as < %s | llc -mattr=+neon
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
target triple = "thumbv7-elf"
define arm_apcscc void @foo() nounwind {
entry:
%0 = tail call <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float> undef, <2 x float> undef) nounwind ; <<2 x float>> [#uses=1]
%tmp28 = extractelement <2 x float> %0, i32 0 ; <float> [#uses=1]
%1 = fcmp une float %tmp28, 4.900000e+01 ; <i1> [#uses=1]
br i1 %1, label %bb, label %bb7
bb: ; preds = %entry
unreachable
bb7: ; preds = %entry
br i1 undef, label %bb8, label %bb9
bb8: ; preds = %bb7
unreachable
bb9: ; preds = %bb7
ret void
}
declare <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float>, <2 x float>) nounwind readnone