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[ARM] VPT validForTailPredication

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Mark all VPT instructions as valid.

Differential Revision: https://reviews.llvm.org/D87759
This commit is contained in:
Sam Parker 2020-09-16 14:30:47 +01:00
parent acf3c1586e
commit 93fb87e9fa
2 changed files with 24 additions and 0 deletions
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2
lib/Target/ARM/ARMInstrMVE.td
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@ -6453,6 +6453,7 @@ class MVE_VPT<string suffix, bits<2> size, dag iops, string asm, list<dag> patte
let Inst{4} = 0b0;
let Defs = [VPR];
let validForTailPredication=1;
}
class MVE_VPTt1<string suffix, bits<2> size, dag iops>
@ -6565,6 +6566,7 @@ class MVE_VPTf<string suffix, bit size, dag iops, string asm, list<dag> pattern=
let Defs = [VPR];
let Predicates = [HasMVEFloat];
let validForTailPredication=1;
}
class MVE_VPTft1<string suffix, bit size>

22
unittests/Target/ARM/MachineInstrTest.cpp
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@ -747,6 +747,28 @@ TEST(MachineInstrValidTailPredication, IsCorrect) {
case MVE_VORRimmi16:
case MVE_VORRimmi32:
case MVE_VPST:
case MVE_VPTv16i8:
case MVE_VPTv8i16:
case MVE_VPTv4i32:
case MVE_VPTv16i8r:
case MVE_VPTv8i16r:
case MVE_VPTv4i32r:
case MVE_VPTv16s8:
case MVE_VPTv8s16:
case MVE_VPTv4s32:
case MVE_VPTv16s8r:
case MVE_VPTv8s16r:
case MVE_VPTv4s32r:
case MVE_VPTv16u8:
case MVE_VPTv8u16:
case MVE_VPTv4u32:
case MVE_VPTv16u8r:
case MVE_VPTv8u16r:
case MVE_VPTv4u32r:
case MVE_VPTv8f16:
case MVE_VPTv4f32:
case MVE_VPTv8f16r:
case MVE_VPTv4f32r:
case MVE_VQABSs16:
case MVE_VQABSs32:
case MVE_VQABSs8: