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[RISCV] Add correct Uses, Defs, isReturn to Zcmp #81039

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Feb 7, 2024
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[RISCV] Add correct Uses, Defs, isReturn to Zcmp #81039

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11 changes: 7 additions & 4 deletions llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
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Original file line number Diff line number Diff line change
Expand Up @@ -190,16 +190,19 @@ def CM_MVSA01 : RVInst16CA<0b101011, 0b01, 0b10, (outs SR07:$rs1, SR07:$rs2),
} // DecoderNamespace = "RVZcmp", Predicates = [HasStdExtZcmp]...

let DecoderNamespace = "RVZcmp", Predicates = [HasStdExtZcmp] in {
let hasSideEffects = 0, mayLoad = 0, mayStore = 1 in
let hasSideEffects = 0, mayLoad = 0, mayStore = 1, Uses = [X2], Defs = [X2] in
def CM_PUSH : RVInstZcCPPP<0b11000, "cm.push">;

let hasSideEffects = 0, mayLoad = 1, mayStore = 0 in
let hasSideEffects = 0, mayLoad = 1, mayStore = 0, isReturn = 1,
Uses = [X2], Defs = [X2] in
def CM_POPRET : RVInstZcCPPP<0b11110, "cm.popret">;

let hasSideEffects = 0, mayLoad = 1, mayStore = 0 in
let hasSideEffects = 0, mayLoad = 1, mayStore = 0, isReturn = 1,
Uses = [X2], Defs = [X2, X10] in
def CM_POPRETZ : RVInstZcCPPP<0b11100, "cm.popretz">;

let hasSideEffects = 0, mayLoad = 1, mayStore = 0 in
let hasSideEffects = 0, mayLoad = 1, mayStore = 0,
Uses = [X2], Defs = [X2] in
def CM_POP : RVInstZcCPPP<0b11010, "cm.pop">;
} // DecoderNamespace = "RVZcmp", Predicates = [HasStdExtZcmp]...

Expand Down
16 changes: 13 additions & 3 deletions llvm/lib/Target/RISCV/RISCVPushPopOptimizer.cpp
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Expand Up @@ -62,9 +62,19 @@ bool RISCVPushPopOpt::usePopRet(MachineBasicBlock::iterator &MBBI,
// this will detect all ret instruction.
DebugLoc DL = NextI->getDebugLoc();
unsigned Opc = IsReturnZero ? RISCV::CM_POPRETZ : RISCV::CM_POPRET;
BuildMI(*NextI->getParent(), NextI, DL, TII->get(Opc))
.add(MBBI->getOperand(0))
.add(MBBI->getOperand(1));
MachineInstrBuilder PopRetBuilder =
BuildMI(*NextI->getParent(), NextI, DL, TII->get(Opc))
.add(MBBI->getOperand(0))
.add(MBBI->getOperand(1));

// Copy over the variable implicit uses and defs from the CM_POP. They depend
// on what register list has been picked during frame lowering.
const MCInstrDesc &PopDesc = MBBI->getDesc();
unsigned FirstNonDeclaredOp = PopDesc.getNumOperands() +
PopDesc.NumImplicitUses +
PopDesc.NumImplicitDefs;
for (unsigned i = FirstNonDeclaredOp; i < MBBI->getNumOperands(); ++i)
PopRetBuilder.add(MBBI->getOperand(i));

MBBI->eraseFromParent();
NextI->eraseFromParent();
Expand Down
186 changes: 186 additions & 0 deletions llvm/test/CodeGen/RISCV/zcmp-cm-popretz.mir
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@@ -0,0 +1,186 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
# RUN: llc -mtriple=riscv32 -mattr=+zcmp -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-ZCMP32 %s
# RUN: llc -mtriple=riscv32 -mattr=+save-restore -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-LIBCALL32 %s
# RUN: llc -mtriple=riscv64 -mattr=+zcmp -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-ZCMP64 %s
# RUN: llc -mtriple=riscv64 -mattr=+save-restore -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-LIBCALL64 %s
# RUN: llc -mtriple=riscv32 -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-NO-ZCMP32 %s
# RUN: llc -mtriple=riscv64 -x mir -start-before=prologepilog -stop-after=riscv-push-pop-opt -verify-machineinstrs -o - %s \
# RUN: | FileCheck -check-prefixes=CHECK-NO-ZCMP64 %s
---
name: popret_rvlist5
tracksRegLiveness: true
body: |
bb.0:
; CHECK-ZCMP32-LABEL: name: popret_rvlist5
; CHECK-ZCMP32: liveins: $x1, $x8
; CHECK-ZCMP32-NEXT: {{ $}}
; CHECK-ZCMP32-NEXT: frame-setup CM_PUSH 5, 0, implicit-def $x2, implicit $x2, implicit $x1, implicit $x8
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -4
; CHECK-ZCMP32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: CM_POPRET 5, 0, implicit-def $x2, implicit $x2, implicit-def $x1, implicit-def $x8
;
; CHECK-LIBCALL32-LABEL: name: popret_rvlist5
; CHECK-LIBCALL32: liveins: $x1, $x8
; CHECK-LIBCALL32-NEXT: {{ $}}
; CHECK-LIBCALL32-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_1
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -4
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-LIBCALL32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_1, implicit $x2
;
; CHECK-ZCMP64-LABEL: name: popret_rvlist5
; CHECK-ZCMP64: liveins: $x1, $x8
; CHECK-ZCMP64-NEXT: {{ $}}
; CHECK-ZCMP64-NEXT: frame-setup CM_PUSH 5, 0, implicit-def $x2, implicit $x2, implicit $x1, implicit $x8
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -16
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-ZCMP64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: CM_POPRET 5, 0, implicit-def $x2, implicit $x2, implicit-def $x1, implicit-def $x8
;
; CHECK-LIBCALL64-LABEL: name: popret_rvlist5
; CHECK-LIBCALL64: liveins: $x1, $x8
; CHECK-LIBCALL64-NEXT: {{ $}}
; CHECK-LIBCALL64-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_1
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -16
; CHECK-LIBCALL64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_1, implicit $x2
;
; CHECK-NO-ZCMP32-LABEL: name: popret_rvlist5
; CHECK-NO-ZCMP32: liveins: $x1, $x8
; CHECK-NO-ZCMP32-NEXT: {{ $}}
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-setup ADDI $x2, -16
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-NO-ZCMP32-NEXT: SW killed $x1, $x2, 12 :: (store (s32) into %stack.0)
; CHECK-NO-ZCMP32-NEXT: SW killed $x8, $x2, 8 :: (store (s32) into %stack.1)
; 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: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x1 = LW $x2, 12 :: (load (s32) from %stack.0)
; CHECK-NO-ZCMP32-NEXT: $x8 = LW $x2, 8 :: (load (s32) from %stack.1)
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-destroy ADDI $x2, 16
; CHECK-NO-ZCMP32-NEXT: PseudoRET
;
; CHECK-NO-ZCMP64-LABEL: name: popret_rvlist5
; CHECK-NO-ZCMP64: liveins: $x1, $x8
; CHECK-NO-ZCMP64-NEXT: {{ $}}
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-setup ADDI $x2, -16
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-NO-ZCMP64-NEXT: SD killed $x1, $x2, 8 :: (store (s64) into %stack.0)
; CHECK-NO-ZCMP64-NEXT: SD killed $x8, $x2, 0 :: (store (s64) into %stack.1)
; 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: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x1 = LD $x2, 8 :: (load (s64) from %stack.0)
; CHECK-NO-ZCMP64-NEXT: $x8 = LD $x2, 0 :: (load (s64) from %stack.1)
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-destroy ADDI $x2, 16
; CHECK-NO-ZCMP64-NEXT: PseudoRET
$x1 = IMPLICIT_DEF
$x8 = IMPLICIT_DEF
PseudoRET
...
---
name: popretz_rvlist5
tracksRegLiveness: true
body: |
bb.0:
; CHECK-ZCMP32-LABEL: name: popretz_rvlist5
; CHECK-ZCMP32: liveins: $x1, $x8
; CHECK-ZCMP32-NEXT: {{ $}}
; CHECK-ZCMP32-NEXT: frame-setup CM_PUSH 5, 0, implicit-def $x2, implicit $x2, implicit $x1, implicit $x8
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -4
; CHECK-ZCMP32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP32-NEXT: CM_POPRETZ 5, 0, implicit-def $x2, implicit-def $x10, implicit $x2, implicit-def $x1, implicit-def $x8
;
; CHECK-LIBCALL32-LABEL: name: popretz_rvlist5
; CHECK-LIBCALL32: liveins: $x1, $x8
; CHECK-LIBCALL32-NEXT: {{ $}}
; CHECK-LIBCALL32-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_1
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -4
; CHECK-LIBCALL32-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-LIBCALL32-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL32-NEXT: $x10 = ADDI $x0, 0
; CHECK-LIBCALL32-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_1, implicit $x2, implicit $x10
;
; CHECK-ZCMP64-LABEL: name: popretz_rvlist5
; CHECK-ZCMP64: liveins: $x1, $x8
; CHECK-ZCMP64-NEXT: {{ $}}
; CHECK-ZCMP64-NEXT: frame-setup CM_PUSH 5, 0, implicit-def $x2, implicit $x2, implicit $x1, implicit $x8
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -16
; CHECK-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -8
; CHECK-ZCMP64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-ZCMP64-NEXT: CM_POPRETZ 5, 0, implicit-def $x2, implicit-def $x10, implicit $x2, implicit-def $x1, implicit-def $x8
;
; CHECK-LIBCALL64-LABEL: name: popretz_rvlist5
; CHECK-LIBCALL64: liveins: $x1, $x8
; CHECK-LIBCALL64-NEXT: {{ $}}
; CHECK-LIBCALL64-NEXT: $x5 = frame-setup PseudoCALLReg target-flags(riscv-call) &__riscv_save_1
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x1, -8
; CHECK-LIBCALL64-NEXT: frame-setup CFI_INSTRUCTION offset $x8, -16
; CHECK-LIBCALL64-NEXT: $x1 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-LIBCALL64-NEXT: $x10 = ADDI $x0, 0
; CHECK-LIBCALL64-NEXT: frame-destroy PseudoTAIL target-flags(riscv-call) &__riscv_restore_1, implicit $x2, implicit $x10
;
; CHECK-NO-ZCMP32-LABEL: name: popretz_rvlist5
; CHECK-NO-ZCMP32: liveins: $x1, $x8
; CHECK-NO-ZCMP32-NEXT: {{ $}}
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-setup ADDI $x2, -16
; CHECK-NO-ZCMP32-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-NO-ZCMP32-NEXT: SW killed $x1, $x2, 12 :: (store (s32) into %stack.0)
; CHECK-NO-ZCMP32-NEXT: SW killed $x8, $x2, 8 :: (store (s32) into %stack.1)
; 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: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP32-NEXT: $x10 = ADDI $x0, 0
; CHECK-NO-ZCMP32-NEXT: $x1 = LW $x2, 12 :: (load (s32) from %stack.0)
; CHECK-NO-ZCMP32-NEXT: $x8 = LW $x2, 8 :: (load (s32) from %stack.1)
; CHECK-NO-ZCMP32-NEXT: $x2 = frame-destroy ADDI $x2, 16
; CHECK-NO-ZCMP32-NEXT: PseudoRET implicit $x10
;
; CHECK-NO-ZCMP64-LABEL: name: popretz_rvlist5
; CHECK-NO-ZCMP64: liveins: $x1, $x8
; CHECK-NO-ZCMP64-NEXT: {{ $}}
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-setup ADDI $x2, -16
; CHECK-NO-ZCMP64-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK-NO-ZCMP64-NEXT: SD killed $x1, $x2, 8 :: (store (s64) into %stack.0)
; CHECK-NO-ZCMP64-NEXT: SD killed $x8, $x2, 0 :: (store (s64) into %stack.1)
; 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: $x1 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x8 = IMPLICIT_DEF
; CHECK-NO-ZCMP64-NEXT: $x10 = ADDI $x0, 0
; CHECK-NO-ZCMP64-NEXT: $x1 = LD $x2, 8 :: (load (s64) from %stack.0)
; CHECK-NO-ZCMP64-NEXT: $x8 = LD $x2, 0 :: (load (s64) from %stack.1)
; CHECK-NO-ZCMP64-NEXT: $x2 = frame-destroy ADDI $x2, 16
; CHECK-NO-ZCMP64-NEXT: PseudoRET implicit $x10
$x1 = IMPLICIT_DEF
$x8 = IMPLICIT_DEF
$x10 = COPY $x0
PseudoRET implicit $x10
...
8 changes: 4 additions & 4 deletions llvm/test/CodeGen/RISCV/zcmp-cm-push-pop.mir
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Expand Up @@ -19,7 +19,7 @@ body: |
; 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 CM_PUSH 15, 0, implicit-def $x2, implicit $x2, 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
Expand Down Expand Up @@ -47,7 +47,7 @@ body: |
; 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: frame-destroy CM_POP 15, 0, implicit-def $x2, implicit $x2, 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
Expand Down Expand Up @@ -86,7 +86,7 @@ body: |
; 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 CM_PUSH 15, 0, implicit-def $x2, implicit $x2, 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
Expand Down Expand Up @@ -114,7 +114,7 @@ body: |
; 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: frame-destroy CM_POP 15, 0, implicit-def $x2, implicit $x2, 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
Expand Down
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