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https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-02 18:58:15 +00:00
Refactored, added MIR test.
This commit is contained in:
Vladislav Dzhidzhoev
parent
6b37a65264
commit
0e826f0e6d
@ -1071,18 +1071,18 @@ void applyVectorSextInReg(MachineInstr &MI, MachineRegisterInfo &MRI,
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bool matchUnmergeExtToUnmerge(MachineInstr &MI, MachineRegisterInfo &MRI,
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Register &MatchInfo) {
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assert(MI.getOpcode() == TargetOpcode::G_UNMERGE_VALUES);
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if (MI.getNumDefs() != 2)
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auto &Unmerge = cast<GUnmerge>(MI);
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if (Unmerge.getNumDefs() != 2)
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return false;
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if (!MRI.use_nodbg_empty(MI.getOperand(1).getReg()))
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if (!MRI.use_nodbg_empty(Unmerge.getOperand(1).getReg()))
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return false;
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LLT DstTy = MRI.getType(MI.getOperand(0).getReg());
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LLT DstTy = MRI.getType(Unmerge.getOperand(0).getReg());
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if (!DstTy.isVector())
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return false;
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MachineInstr *Ext = getDefIgnoringCopies(
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MI.getOperand(MI.getNumExplicitDefs()).getReg(), MRI);
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if (!Ext || Ext->getOpcode() != AArch64::G_EXT)
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MachineInstr *Ext = getOpcodeDef(AArch64::G_EXT, Unmerge.getSourceReg(), MRI);
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if (!Ext)
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return false;
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Register ExtSrc1 = Ext->getOperand(1).getReg();
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@ -1092,13 +1092,11 @@ bool matchUnmergeExtToUnmerge(MachineInstr &MI, MachineRegisterInfo &MRI,
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if (!LowestVal || LowestVal->Value.getZExtValue() != DstTy.getSizeInBytes())
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return false;
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MachineInstr *Undef = getDefIgnoringCopies(ExtSrc2, MRI);
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if (!Undef)
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if (!getOpcodeDef<GImplicitDef>(ExtSrc2, MRI))
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return false;
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MatchInfo = ExtSrc1;
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return Undef->getOpcode() == TargetOpcode::G_IMPLICIT_DEF;
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return true;
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}
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void applyUnmergeExtToUnmerge(MachineInstr &MI, MachineRegisterInfo &MRI,
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@ -0,0 +1,154 @@
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-lowering -global-isel -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: v4s32
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0
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; CHECK-LABEL: name: v4s32
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; CHECK: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<4 x s32>) = COPY $q0
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; CHECK-NEXT: %unused:_(<2 x s32>), %unmerge:_(<2 x s32>) = G_UNMERGE_VALUES %v1(<4 x s32>)
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; CHECK-NEXT: %fpext:_(<2 x s64>) = G_FPEXT %unmerge(<2 x s32>)
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; CHECK-NEXT: $q0 = COPY %fpext(<2 x s64>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0
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%v1:_(<4 x s32>) = COPY $q0
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%implicit:_(<4 x s32>) = G_IMPLICIT_DEF
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%C:_(s32) = G_CONSTANT i32 8
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%ext:_(<4 x s32>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext:_(<4 x s32>)
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%fpext:_(<2 x s64>) = G_FPEXT %unmerge:_(<2 x s32>)
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$q0 = COPY %fpext
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RET_ReallyLR implicit $q0
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...
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---
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name: v8s16
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0
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; CHECK-LABEL: name: v8s16
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; CHECK: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<8 x s16>) = COPY $q0
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; CHECK-NEXT: %unused:_(<4 x s16>), %unmerge:_(<4 x s16>) = G_UNMERGE_VALUES %v1(<8 x s16>)
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; CHECK-NEXT: %fpext:_(<4 x s32>) = G_FPEXT %unmerge(<4 x s16>)
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; CHECK-NEXT: $q0 = COPY %fpext(<4 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0
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%v1:_(<8 x s16>) = COPY $q0
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%implicit:_(<8 x s16>) = G_IMPLICIT_DEF
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%C:_(s32) = G_CONSTANT i32 8
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%ext:_(<8 x s16>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<4 x s16>), %unused:_(<4 x s16>) = G_UNMERGE_VALUES %ext:_(<8 x s16>)
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%fpext:_(<4 x s32>) = G_FPEXT %unmerge:_(<4 x s16>)
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$q0 = COPY %fpext
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RET_ReallyLR implicit $q0
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...
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---
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name: v16s8
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0
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; CHECK-LABEL: name: v16s8
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; CHECK: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
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; CHECK-NEXT: %unused:_(<8 x s8>), %unmerge:_(<8 x s8>) = G_UNMERGE_VALUES %v1(<16 x s8>)
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; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
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; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0
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%v1:_(<16 x s8>) = COPY $q0
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%implicit:_(<16 x s8>) = G_IMPLICIT_DEF
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%C:_(s32) = G_CONSTANT i32 8
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%ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
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%fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
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$q0 = COPY %fpext
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RET_ReallyLR implicit $q0
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...
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---
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name: skip_not_const
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0, $w0
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; CHECK-LABEL: name: skip_not_const
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; CHECK: liveins: $q0, $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
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; CHECK-NEXT: %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
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; CHECK-NEXT: %C:_(s32) = COPY $w0
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; CHECK-NEXT: %ext:_(<16 x s8>) = G_EXT %v1, %implicit, %C(s32)
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; CHECK-NEXT: %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext(<16 x s8>)
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; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
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; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0
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%v1:_(<16 x s8>) = COPY $q0
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%implicit:_(<16 x s8>) = G_IMPLICIT_DEF
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%C:_(s32) = COPY $w0
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%ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
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%fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
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$q0 = COPY %fpext
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RET_ReallyLR implicit $q0
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...
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---
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name: skip_not_unused
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0
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; CHECK-LABEL: name: skip_not_unused
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; CHECK: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
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; CHECK-NEXT: %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
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; CHECK-NEXT: %C:_(s32) = G_CONSTANT i32 8
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; CHECK-NEXT: %ext:_(<16 x s8>) = G_EXT %v1, %implicit, %C(s32)
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; CHECK-NEXT: %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext(<16 x s8>)
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; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
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; CHECK-NEXT: %fpext2:_(<8 x s16>) = G_FPEXT %unused(<8 x s8>)
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; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
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; CHECK-NEXT: $q1 = COPY %fpext2(<8 x s16>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0, implicit $q1
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%v1:_(<16 x s8>) = COPY $q0
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%implicit:_(<16 x s8>) = G_IMPLICIT_DEF
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%C:_(s32) = G_CONSTANT i32 8
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%ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
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%fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
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%fpext2:_(<8 x s16>) = G_FPEXT %unused:_(<8 x s8>)
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$q0 = COPY %fpext
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$q1 = COPY %fpext2
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RET_ReallyLR implicit $q0, implicit $q1
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...
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---
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name: skip_borders
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legalized: true
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body: |
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bb.0.entry:
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liveins: $q0
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; CHECK-LABEL: name: skip_borders
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; CHECK: liveins: $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %v1:_(<4 x s32>) = COPY $q0
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; CHECK-NEXT: %implicit:_(<4 x s32>) = G_IMPLICIT_DEF
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; CHECK-NEXT: %C:_(s32) = G_CONSTANT i32 9
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; CHECK-NEXT: %ext:_(<4 x s32>) = G_EXT %v1, %implicit, %C(s32)
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; CHECK-NEXT: %unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext(<4 x s32>)
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; CHECK-NEXT: %fpext:_(<2 x s64>) = G_FPEXT %unmerge(<2 x s32>)
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; CHECK-NEXT: $q0 = COPY %fpext(<2 x s64>)
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; CHECK-NEXT: RET_ReallyLR implicit $q0
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%v1:_(<4 x s32>) = COPY $q0
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%implicit:_(<4 x s32>) = G_IMPLICIT_DEF
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%C:_(s32) = G_CONSTANT i32 9
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%ext:_(<4 x s32>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
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%unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext:_(<4 x s32>)
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%fpext:_(<2 x s64>) = G_FPEXT %unmerge:_(<2 x s32>)
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$q0 = COPY %fpext
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RET_ReallyLR implicit $q0
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...
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