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[RISCV] Remove CalleeSavedInfo for Zcmp/save-restore-libcalls registers #79535

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Merged
merged 1 commit into from
Feb 7, 2024
Merged

[RISCV] Remove CalleeSavedInfo for Zcmp/save-restore-libcalls registers #79535

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24 changes: 24 additions & 0 deletions llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1252,6 +1252,30 @@ void RISCVFrameLowering::processFunctionBeforeFrameFinalized(
RVFI->setCalleeSavedStackSize(Size);
}

void RISCVFrameLowering::processFunctionBeforeFrameIndicesReplaced(
MachineFunction &MF, RegScavenger *RS) const {
// Remove CalleeSavedInfo for registers saved by Zcmp or save/restore
// libcalls.
MachineFrameInfo &MFI = MF.getFrameInfo();
const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
const auto *RVFI = MF.getInfo<RISCVMachineFunctionInfo>();
if (!RVFI->isPushable(MF) && !RVFI->useSaveRestoreLibCalls(MF))
return;
const std::vector<CalleeSavedInfo> &CSIs = MFI.getCalleeSavedInfo();
std::vector<CalleeSavedInfo> NewCSIs;
for (const auto &CSI : CSIs) {
// Skip CSRs that have fake a frame index.
int ReservedFI = 0;
if (TRI->hasReservedSpillSlot(MF, CSI.getReg(), ReservedFI)) {
assert(CSI.getFrameIdx() == ReservedFI &&
"Reserved CSR spill slot frame index mismatch in CSI");
continue;
}
NewCSIs.push_back(CSI);
}
MFI.setCalleeSavedInfo(std::move(NewCSIs));
}

// Not preserve stack space within prologue for outgoing variables when the
// function contains variable size objects or there are vector objects accessed
// by the frame pointer.
Expand Down
4 changes: 4 additions & 0 deletions llvm/lib/Target/RISCV/RISCVFrameLowering.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,10 @@ class RISCVFrameLowering : public TargetFrameLowering {
void processFunctionBeforeFrameFinalized(MachineFunction &MF,
RegScavenger *RS) const override;

void
processFunctionBeforeFrameIndicesReplaced(MachineFunction &MF,
RegScavenger *RS) const override;

bool hasFP(const MachineFunction &MF) const override;

bool hasBP(const MachineFunction &MF) const;
Expand Down
286 changes: 286 additions & 0 deletions llvm/test/CodeGen/RISCV/zcmp-cm-push-pop.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,286 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
# RUN: llc -mtriple=riscv32 -mattr=+zcmp -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-ZCMP32 %s
# RUN: llc -mtriple=riscv32 -mattr=+save-restore -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-LIBCALL32 %s
# RUN: llc -mtriple=riscv64 -mattr=+zcmp -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-ZCMP64 %s
# RUN: llc -mtriple=riscv64 -mattr=+save-restore -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-LIBCALL64 %s
# RUN: llc -mtriple=riscv32 -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-NO-ZCMP32 %s
# RUN: llc -mtriple=riscv64 -x mir -run-pass=prologepilog -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-NO-ZCMP64 %s
---
name: push_rvlist15
tracksRegLiveness: true
body: |
bb.0:
; CHECK-ZCMP32-LABEL: name: push_rvlist15
; CHECK-ZCMP32: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-ZCMP32-NEXT: {{ $}}
; CHECK-ZCMP32-NEXT: frame-setup CM_PUSH 15, 0, implicit $x1, implicit $x8, implicit $x9, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25, implicit $x26, implicit $x27
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 64
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -52
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -48
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -44
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -40
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -36
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -32
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -28
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -24
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -20
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -16
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -12
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -8
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -4
; CHECK-ZCMP32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x9 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x18 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x19 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x20 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x21 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x22 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x23 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x24 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x25 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x26 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x27 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: frame-destroy CM_POP 15, 0, implicit-def $x1, implicit-def $x8, implicit-def $x9, implicit-def $x18, implicit-def $x19, implicit-def $x20, implicit-def $x21, implicit-def $x22, implicit-def $x23, implicit-def $x24, implicit-def $x25, implicit-def $x26, implicit-def $x27
; CHECK-ZCMP32-NEXT: PseudoRET
;
; CHECK-LIBCALL32-LABEL: name: push_rvlist15
; CHECK-LIBCALL32: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-LIBCALL32-NEXT: {{ $}}
; CHECK-LIBCALL32-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_12
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 64
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -4
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -12
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -16
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -20
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -24
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -28
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -32
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -36
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -40
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -44
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -48
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -52
; CHECK-LIBCALL32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x9 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x18 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x19 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x20 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x21 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x22 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x23 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x24 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x25 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x26 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x27 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_12, implicit $x2
;
; CHECK-ZCMP64-LABEL: name: push_rvlist15
; CHECK-ZCMP64: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-ZCMP64-NEXT: {{ $}}
; CHECK-ZCMP64-NEXT: frame-setup CM_PUSH 15, 0, implicit $x1, implicit $x8, implicit $x9, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25, implicit $x26, implicit $x27
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 112
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -104
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -96
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -88
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -80
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -72
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -64
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -56
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -48
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -40
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -32
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -24
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -16
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -8
; CHECK-ZCMP64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x9 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x18 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x19 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x20 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x21 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x22 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x23 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x24 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x25 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x26 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x27 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: frame-destroy CM_POP 15, 0, implicit-def $x1, implicit-def $x8, implicit-def $x9, implicit-def $x18, implicit-def $x19, implicit-def $x20, implicit-def $x21, implicit-def $x22, implicit-def $x23, implicit-def $x24, implicit-def $x25, implicit-def $x26, implicit-def $x27
; CHECK-ZCMP64-NEXT: PseudoRET
;
; CHECK-LIBCALL64-LABEL: name: push_rvlist15
; CHECK-LIBCALL64: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-LIBCALL64-NEXT: {{ $}}
; CHECK-LIBCALL64-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_12
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 112
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -16
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -24
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -32
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -40
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -48
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -56
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -64
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -72
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -80
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -88
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -96
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -104
; CHECK-LIBCALL64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x9 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x18 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x19 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x20 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x21 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x22 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x23 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x24 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x25 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x26 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x27 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_12, implicit $x2
;
; CHECK-NO-ZCMP32-LABEL: name: push_rvlist15
; CHECK-NO-ZCMP32: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-NO-ZCMP32-NEXT: {{ $}}
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-setup ADDI $x2, -64
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 64
; CHECK-NO-ZCMP32-NEXT: SW killed $x1, $x2, 60 :: (store (s32) into %stack.0)
; CHECK-NO-ZCMP32-NEXT: SW killed $x8, $x2, 56 :: (store (s32) into %stack.1)
; CHECK-NO-ZCMP32-NEXT: SW killed $x9, $x2, 52 :: (store (s32) into %stack.2)
; CHECK-NO-ZCMP32-NEXT: SW killed $x18, $x2, 48 :: (store (s32) into %stack.3)
; CHECK-NO-ZCMP32-NEXT: SW killed $x19, $x2, 44 :: (store (s32) into %stack.4)
; CHECK-NO-ZCMP32-NEXT: SW killed $x20, $x2, 40 :: (store (s32) into %stack.5)
; CHECK-NO-ZCMP32-NEXT: SW killed $x21, $x2, 36 :: (store (s32) into %stack.6)
; CHECK-NO-ZCMP32-NEXT: SW killed $x22, $x2, 32 :: (store (s32) into %stack.7)
; CHECK-NO-ZCMP32-NEXT: SW killed $x23, $x2, 28 :: (store (s32) into %stack.8)
; CHECK-NO-ZCMP32-NEXT: SW killed $x24, $x2, 24 :: (store (s32) into %stack.9)
; CHECK-NO-ZCMP32-NEXT: SW killed $x25, $x2, 20 :: (store (s32) into %stack.10)
; CHECK-NO-ZCMP32-NEXT: SW killed $x26, $x2, 16 :: (store (s32) into %stack.11)
; CHECK-NO-ZCMP32-NEXT: SW killed $x27, $x2, 12 :: (store (s32) into %stack.12)
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -4
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -12
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -16
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -20
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -24
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -28
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -32
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -36
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -40
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -44
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -48
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -52
; CHECK-NO-ZCMP32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x9 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x18 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x19 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x20 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x21 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x22 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x23 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x24 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x25 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x26 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x27 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x1 = LW $x2, 60 :: (load (s32) from %stack.0)
; CHECK-NO-ZCMP32-NEXT: $x8 = LW $x2, 56 :: (load (s32) from %stack.1)
; CHECK-NO-ZCMP32-NEXT: $x9 = LW $x2, 52 :: (load (s32) from %stack.2)
; CHECK-NO-ZCMP32-NEXT: $x18 = LW $x2, 48 :: (load (s32) from %stack.3)
; CHECK-NO-ZCMP32-NEXT: $x19 = LW $x2, 44 :: (load (s32) from %stack.4)
; CHECK-NO-ZCMP32-NEXT: $x20 = LW $x2, 40 :: (load (s32) from %stack.5)
; CHECK-NO-ZCMP32-NEXT: $x21 = LW $x2, 36 :: (load (s32) from %stack.6)
; CHECK-NO-ZCMP32-NEXT: $x22 = LW $x2, 32 :: (load (s32) from %stack.7)
; CHECK-NO-ZCMP32-NEXT: $x23 = LW $x2, 28 :: (load (s32) from %stack.8)
; CHECK-NO-ZCMP32-NEXT: $x24 = LW $x2, 24 :: (load (s32) from %stack.9)
; CHECK-NO-ZCMP32-NEXT: $x25 = LW $x2, 20 :: (load (s32) from %stack.10)
; CHECK-NO-ZCMP32-NEXT: $x26 = LW $x2, 16 :: (load (s32) from %stack.11)
; CHECK-NO-ZCMP32-NEXT: $x27 = LW $x2, 12 :: (load (s32) from %stack.12)
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-destroy ADDI $x2, 64
; CHECK-NO-ZCMP32-NEXT: PseudoRET
;
; CHECK-NO-ZCMP64-LABEL: name: push_rvlist15
; CHECK-NO-ZCMP64: liveins: $x1, $x8, $x9, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27
; CHECK-NO-ZCMP64-NEXT: {{ $}}
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-setup ADDI $x2, -112
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 112
; CHECK-NO-ZCMP64-NEXT: SD killed $x1, $x2, 104 :: (store (s64) into %stack.0)
; CHECK-NO-ZCMP64-NEXT: SD killed $x8, $x2, 96 :: (store (s64) into %stack.1)
; CHECK-NO-ZCMP64-NEXT: SD killed $x9, $x2, 88 :: (store (s64) into %stack.2)
; CHECK-NO-ZCMP64-NEXT: SD killed $x18, $x2, 80 :: (store (s64) into %stack.3)
; CHECK-NO-ZCMP64-NEXT: SD killed $x19, $x2, 72 :: (store (s64) into %stack.4)
; CHECK-NO-ZCMP64-NEXT: SD killed $x20, $x2, 64 :: (store (s64) into %stack.5)
; CHECK-NO-ZCMP64-NEXT: SD killed $x21, $x2, 56 :: (store (s64) into %stack.6)
; CHECK-NO-ZCMP64-NEXT: SD killed $x22, $x2, 48 :: (store (s64) into %stack.7)
; CHECK-NO-ZCMP64-NEXT: SD killed $x23, $x2, 40 :: (store (s64) into %stack.8)
; CHECK-NO-ZCMP64-NEXT: SD killed $x24, $x2, 32 :: (store (s64) into %stack.9)
; CHECK-NO-ZCMP64-NEXT: SD killed $x25, $x2, 24 :: (store (s64) into %stack.10)
; CHECK-NO-ZCMP64-NEXT: SD killed $x26, $x2, 16 :: (store (s64) into %stack.11)
; CHECK-NO-ZCMP64-NEXT: SD killed $x27, $x2, 8 :: (store (s64) into %stack.12)
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -16
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x9, -24
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x18, -32
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x19, -40
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x20, -48
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x21, -56
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x22, -64
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x23, -72
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x24, -80
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x25, -88
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x26, -96
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x27, -104
; CHECK-NO-ZCMP64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x9 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x18 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x19 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x20 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x21 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x22 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x23 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x24 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x25 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x26 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x27 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x1 = LD $x2, 104 :: (load (s64) from %stack.0)
; CHECK-NO-ZCMP64-NEXT: $x8 = LD $x2, 96 :: (load (s64) from %stack.1)
; CHECK-NO-ZCMP64-NEXT: $x9 = LD $x2, 88 :: (load (s64) from %stack.2)
; CHECK-NO-ZCMP64-NEXT: $x18 = LD $x2, 80 :: (load (s64) from %stack.3)
; CHECK-NO-ZCMP64-NEXT: $x19 = LD $x2, 72 :: (load (s64) from %stack.4)
; CHECK-NO-ZCMP64-NEXT: $x20 = LD $x2, 64 :: (load (s64) from %stack.5)
; CHECK-NO-ZCMP64-NEXT: $x21 = LD $x2, 56 :: (load (s64) from %stack.6)
; CHECK-NO-ZCMP64-NEXT: $x22 = LD $x2, 48 :: (load (s64) from %stack.7)
; CHECK-NO-ZCMP64-NEXT: $x23 = LD $x2, 40 :: (load (s64) from %stack.8)
; CHECK-NO-ZCMP64-NEXT: $x24 = LD $x2, 32 :: (load (s64) from %stack.9)
; CHECK-NO-ZCMP64-NEXT: $x25 = LD $x2, 24 :: (load (s64) from %stack.10)
; CHECK-NO-ZCMP64-NEXT: $x26 = LD $x2, 16 :: (load (s64) from %stack.11)
; CHECK-NO-ZCMP64-NEXT: $x27 = LD $x2, 8 :: (load (s64) from %stack.12)
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-destroy ADDI $x2, 112
; CHECK-NO-ZCMP64-NEXT: PseudoRET
$x1 = IMPLICIT_DEF
$x8 = IMPLICIT_DEF
$x9 = IMPLICIT_DEF
$x18 = IMPLICIT_DEF
$x19 = IMPLICIT_DEF
$x20 = IMPLICIT_DEF
$x21 = IMPLICIT_DEF
$x22 = IMPLICIT_DEF
$x23 = IMPLICIT_DEF
$x24 = IMPLICIT_DEF
$x25 = IMPLICIT_DEF
$x26 = IMPLICIT_DEF
$x27 = IMPLICIT_DEF
PseudoRET
...