[llvm] c4d955d - [MachineSSAUpdate] Add a test for redundant phi generation.
Serguei Katkov via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 2 21:27:33 PDT 2022
Author: Serguei Katkov
Date: 2022-06-03T11:27:14+07:00
New Revision: c4d955dd7f68b80119529165bbd878b09271c4d3
URL: https://github.com/llvm/llvm-project/commit/c4d955dd7f68b80119529165bbd878b09271c4d3
DIFF: https://github.com/llvm/llvm-project/commit/c4d955dd7f68b80119529165bbd878b09271c4d3.diff
LOG: [MachineSSAUpdate] Add a test for redundant phi generation.
Added:
llvm/test/CodeGen/AArch64/tail-dup-redundant-phi.mir
Modified:
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/AArch64/tail-dup-redundant-phi.mir b/llvm/test/CodeGen/AArch64/tail-dup-redundant-phi.mir
new file mode 100644
index 0000000000000..80e78f17929c9
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/tail-dup-redundant-phi.mir
@@ -0,0 +1,524 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -run-pass=early-tailduplication %s -o - | FileCheck %s
+--- |
+ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+ target triple = "aarch64-none-linux-gnu"
+
+ define void @ham() gc "statepoint-example" personality i32* ()* @baz {
+ bb:
+ switch i32 undef, label %bb4 [
+ i32 2050, label %bb1
+ i32 2282, label %bb2
+ ]
+
+ bb1: ; preds = %bb
+ %tmp = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ unreachable
+
+ bb2: ; preds = %bb
+ %tmp3 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ unreachable
+
+ bb4: ; preds = %bb
+ %tmp5 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2882400000, i32 0, i8 addrspace(1)* (i8 addrspace(1)*)* elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) undef, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ %tmp10 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @barney, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ br i1 undef, label %bb40, label %bb24
+
+ bb24: ; preds = %bb4
+ switch i32 undef, label %bb35 [
+ i32 1388, label %bb25
+ i32 2742, label %bb29
+ i32 2884, label %bb31
+ ]
+
+ bb25: ; preds = %bb24
+ %tmp26 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @wobble, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"(i8 addrspace(1)* null) ]
+ %tmp27 = call align 8 i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token %tmp26)
+ %tmp28 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tmp26, i32 0, i32 0) ; (null, null)
+ br label %bb36
+
+ bb29: ; preds = %bb24
+ %tmp30 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @bar, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ br label %bb36
+
+ bb31: ; preds = %bb24
+ %tmp32 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ unreachable
+
+ bb35: ; preds = %bb24
+ unreachable
+
+ bb36: ; preds = %bb29, %bb25
+ %tmp37 = phi i8 addrspace(1)* [ undef, %bb29 ], [ %tmp28, %bb25 ]
+ %tmp38 = phi i8 addrspace(1)* [ undef, %bb29 ], [ %tmp27, %bb25 ]
+ %tmp39 = icmp eq i8 addrspace(1)* %tmp38, null
+ br i1 %tmp39, label %bb51, label %bb42
+
+ bb40: ; preds = %bb4
+ %tmp41 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
+ unreachable
+
+ bb42: ; preds = %bb36
+ %tmp46 = icmp eq i32 undef, 1381
+ %or.cond = select i1 undef, i1 true, i1 %tmp46
+ br i1 %or.cond, label %bb49, label %bb47
+
+ bb47: ; preds = %bb42
+ %tmp48 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 14, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37, i8 addrspace(1)* %tmp38), "gc-live"() ]
+ unreachable
+
+ bb49: ; preds = %bb42
+ %tmp50 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37, i8 addrspace(1)* %tmp38, i8 addrspace(1)* %tmp38), "gc-live"() ]
+ unreachable
+
+ bb51: ; preds = %bb36
+ %tmp52 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 24, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37), "gc-live"() ]
+ unreachable
+ }
+
+ declare i32* @baz()
+
+ declare i8 addrspace(1)* @barney(i8 addrspace(1)*)
+
+ declare i8 addrspace(1)* @wobble(i8 addrspace(1)*)
+
+ declare i8 addrspace(1)* @bar(i8 addrspace(1)*)
+
+ ; Function Attrs: nounwind readnone
+ declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0
+
+ ; Function Attrs: nounwind readnone
+ declare i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token) #0
+
+ declare void @wombat(i32)
+
+ declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 immarg, i32 immarg, void (i32)*, i32 immarg, i32 immarg, ...)
+
+ declare token @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 immarg, i32 immarg, i8 addrspace(1)* (i8 addrspace(1)*)*, i32 immarg, i32 immarg, ...)
+
+ attributes #0 = { nounwind readnone }
+
+...
+---
+name: ham
+alignment: 4
+exposesReturnsTwice: false
+legalized: false
+regBankSelected: false
+selected: false
+failedISel: false
+tracksRegLiveness: true
+hasWinCFI: false
+callsEHReturn: false
+callsUnwindInit: false
+hasEHCatchret: false
+hasEHScopes: false
+hasEHFunclets: false
+failsVerification: false
+tracksDebugUserValues: false
+registers:
+ - { id: 0, class: gpr64all, preferred-register: '' }
+ - { id: 1, class: gpr64all, preferred-register: '' }
+ - { id: 2, class: gpr64all, preferred-register: '' }
+ - { id: 3, class: gpr64, preferred-register: '' }
+ - { id: 4, class: gpr32, preferred-register: '' }
+ - { id: 5, class: gpr32, preferred-register: '' }
+ - { id: 6, class: gpr32, preferred-register: '' }
+ - { id: 7, class: gpr32, preferred-register: '' }
+ - { id: 8, class: gpr64all, preferred-register: '' }
+ - { id: 9, class: gpr64all, preferred-register: '' }
+ - { id: 10, class: gpr64all, preferred-register: '' }
+ - { id: 11, class: gpr64all, preferred-register: '' }
+ - { id: 12, class: gpr64all, preferred-register: '' }
+ - { id: 13, class: gpr64all, preferred-register: '' }
+ - { id: 14, class: gpr32, preferred-register: '' }
+ - { id: 15, class: gpr32, preferred-register: '' }
+ - { id: 16, class: gpr32, preferred-register: '' }
+ - { id: 17, class: gpr32, preferred-register: '' }
+ - { id: 18, class: gpr64all, preferred-register: '' }
+ - { id: 19, class: gpr64all, preferred-register: '' }
+ - { id: 20, class: gpr64all, preferred-register: '' }
+ - { id: 21, class: gpr64all, preferred-register: '' }
+ - { id: 22, class: gpr64all, preferred-register: '' }
+ - { id: 23, class: gpr64all, preferred-register: '' }
+ - { id: 24, class: gpr64all, preferred-register: '' }
+ - { id: 25, class: gpr64all, preferred-register: '' }
+ - { id: 26, class: gpr32, preferred-register: '' }
+ - { id: 27, class: gpr32, preferred-register: '' }
+ - { id: 28, class: gpr32, preferred-register: '' }
+ - { id: 29, class: gpr64all, preferred-register: '' }
+ - { id: 30, class: gpr64all, preferred-register: '' }
+ - { id: 31, class: gpr32, preferred-register: '' }
+ - { id: 32, class: gpr64all, preferred-register: '' }
+ - { id: 33, class: gpr64all, preferred-register: '' }
+ - { id: 34, class: gpr32, preferred-register: '' }
+ - { id: 35, class: gpr64all, preferred-register: '' }
+ - { id: 36, class: gpr32, preferred-register: '' }
+liveins: []
+frameInfo:
+ isFrameAddressTaken: false
+ isReturnAddressTaken: false
+ hasStackMap: false
+ hasPatchPoint: false
+ stackSize: 0
+ offsetAdjustment: 0
+ maxAlignment: 1
+ adjustsStack: true
+ hasCalls: true
+ stackProtector: ''
+ functionContext: ''
+ maxCallFrameSize: 0
+ cvBytesOfCalleeSavedRegisters: 0
+ hasOpaqueSPAdjustment: false
+ hasVAStart: false
+ hasMustTailInVarArgFunc: false
+ hasTailCall: false
+ localFrameSize: 0
+ savePoint: ''
+ restorePoint: ''
+fixedStack: []
+stack: []
+callSites: []
+debugValueSubstitutions: []
+constants: []
+machineFunctionInfo: {}
+body: |
+ ; CHECK-LABEL: name: ham
+ ; CHECK: bb.0.bb:
+ ; CHECK-NEXT: successors: %bb.3(0x2aaaaaab), %bb.1(0x55555555)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY]], %bb.3
+ ; CHECK-NEXT: B %bb.1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.1.bb:
+ ; CHECK-NEXT: successors: %bb.2(0x40000001), %bb.4(0x3fffffff)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY1]], %bb.4
+ ; CHECK-NEXT: B %bb.2
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.2.bb1:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 10
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm]]
+ ; CHECK-NEXT: STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.3.bb2:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm1:%[0-9]+]]:gpr32 = MOVi32imm 10
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm1]]
+ ; CHECK-NEXT: STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.4.bb4:
+ ; CHECK-NEXT: successors: %bb.13(0x40000000), %bb.5(0x40000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[DEF:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: $x0 = COPY [[DEF]]
+ ; CHECK-NEXT: [[DEF1:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: STATEPOINT 2882400000, 0, 1, [[DEF1]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr64all = COPY $x0
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[DEF2:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: $x0 = COPY [[DEF2]]
+ ; CHECK-NEXT: [[DEF3:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: STATEPOINT 2, 4, 1, [[DEF3]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr64all = COPY $x0
+ ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY4]], %bb.13
+ ; CHECK-NEXT: B %bb.5
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.5.bb24:
+ ; CHECK-NEXT: successors: %bb.10(0x20000000), %bb.6(0x60000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY5]], %bb.10
+ ; CHECK-NEXT: B %bb.6
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.6.bb24:
+ ; CHECK-NEXT: successors: %bb.9(0x2aaaaaab), %bb.7(0x55555555)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY6]], %bb.9
+ ; CHECK-NEXT: B %bb.7
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.7.bb24:
+ ; CHECK-NEXT: successors: %bb.8(0x80000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.8.bb25:
+ ; CHECK-NEXT: successors: %bb.18(0x30000000), %bb.14(0x50000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[DEF4:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: $x0 = COPY [[DEF4]]
+ ; CHECK-NEXT: [[DEF5:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: STATEPOINT 2, 4, 1, [[DEF5]], $x0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[COPY7:%[0-9]+]]:gpr64all = COPY $x0
+ ; CHECK-NEXT: [[COPY8:%[0-9]+]]:gpr64 = COPY [[COPY7]]
+ ; CHECK-NEXT: [[COPY9:%[0-9]+]]:gpr64all = COPY $xzr
+ ; CHECK-NEXT: [[COPY10:%[0-9]+]]:gpr64all = COPY [[COPY9]]
+ ; CHECK-NEXT: [[COPY11:%[0-9]+]]:gpr64 = COPY [[COPY8]]
+ ; CHECK-NEXT: CBZX [[COPY8]], %bb.18
+ ; CHECK-NEXT: B %bb.14
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.9.bb29:
+ ; CHECK-NEXT: successors: %bb.18(0x30000000), %bb.14(0x50000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[DEF6:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: $x0 = COPY [[DEF6]]
+ ; CHECK-NEXT: [[DEF7:%[0-9]+]]:gpr64all = IMPLICIT_DEF
+ ; CHECK-NEXT: STATEPOINT 2, 4, 1, [[DEF7]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[COPY12:%[0-9]+]]:gpr64all = COPY $x0
+ ; CHECK-NEXT: [[DEF8:%[0-9]+]]:gpr64 = IMPLICIT_DEF
+ ; CHECK-NEXT: [[COPY13:%[0-9]+]]:gpr64all = COPY [[DEF8]]
+ ; CHECK-NEXT: [[COPY14:%[0-9]+]]:gpr64 = COPY [[DEF8]]
+ ; CHECK-NEXT: CBZX [[DEF8]], %bb.18
+ ; CHECK-NEXT: B %bb.14
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.10.bb31:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm2:%[0-9]+]]:gpr32 = MOVi32imm 10
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm2]]
+ ; CHECK-NEXT: STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.11.bb35:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.13.bb40:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm3:%[0-9]+]]:gpr32 = MOVi32imm 10
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm3]]
+ ; CHECK-NEXT: STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.14.bb42:
+ ; CHECK-NEXT: successors: %bb.17(0x20000000), %bb.15(0x60000000)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr64 = PHI [[COPY11]], %bb.8, [[COPY14]], %bb.9
+ ; CHECK-NEXT: [[PHI1:%[0-9]+]]:gpr64all = PHI [[COPY10]], %bb.8, [[COPY13]], %bb.9
+ ; CHECK-NEXT: [[COPY15:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY15]], %bb.17
+ ; CHECK-NEXT: B %bb.15
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.15.bb42:
+ ; CHECK-NEXT: successors: %bb.17(0x2aaaaaab), %bb.16(0x55555555)
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY16:%[0-9]+]]:gpr32 = COPY $wzr
+ ; CHECK-NEXT: CBNZW [[COPY16]], %bb.17
+ ; CHECK-NEXT: B %bb.16
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.16.bb47:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm4:%[0-9]+]]:gpr32 = MOVi32imm 14
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm4]]
+ ; CHECK-NEXT: [[STATEPOINT:%[0-9]+]]:gpr64all, [[STATEPOINT1:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 2, [[PHI1]], [[PHI]], 2, 2, [[PHI1]](tied-def 0), [[PHI]](tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.17.bb49:
+ ; CHECK-NEXT: successors:{{ $}}
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[PHI2:%[0-9]+]]:gpr64 = PHI [[PHI]], %bb.14, [[PHI]], %bb.15
+ ; CHECK-NEXT: [[PHI3:%[0-9]+]]:gpr64all = PHI [[PHI1]], %bb.14, [[PHI1]], %bb.15
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm5:%[0-9]+]]:gpr32 = MOVi32imm 10
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm5]]
+ ; CHECK-NEXT: [[STATEPOINT2:%[0-9]+]]:gpr64all, [[STATEPOINT3:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 3, [[PHI3]], [[PHI2]], [[PHI]], 2, 2, [[PHI1]](tied-def 0), [[PHI]](tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: bb.18.bb51:
+ ; CHECK-NEXT: [[PHI4:%[0-9]+]]:gpr64all = PHI [[COPY10]], %bb.8, [[COPY13]], %bb.9
+ ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ ; CHECK-NEXT: [[MOVi32imm6:%[0-9]+]]:gpr32 = MOVi32imm 24
+ ; CHECK-NEXT: $w0 = COPY [[MOVi32imm6]]
+ ; CHECK-NEXT: [[STATEPOINT4:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 1, [[PHI4]], 2, 1, [[PHI4]](tied-def 0), 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ bb.0.bb:
+ successors: %bb.2(0x2aaaaaab), %bb.15(0x55555555)
+
+ %4:gpr32 = COPY $wzr
+ CBNZW %4, %bb.2
+ B %bb.15
+
+ bb.15.bb:
+ successors: %bb.1(0x40000001), %bb.3(0x3fffffff)
+
+ %5:gpr32 = COPY $wzr
+ CBNZW %5, %bb.3
+ B %bb.1
+
+ bb.1.bb1:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %7:gpr32 = MOVi32imm 10
+ $w0 = COPY %7
+ STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.2.bb2:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %6:gpr32 = MOVi32imm 10
+ $w0 = COPY %6
+ STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.3.bb4:
+ successors: %bb.10(0x40000000), %bb.4(0x40000000)
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %8:gpr64all = IMPLICIT_DEF
+ $x0 = COPY %8
+ %9:gpr64all = IMPLICIT_DEF
+ STATEPOINT 2882400000, 0, 1, %9, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ %10:gpr64all = COPY $x0
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %11:gpr64all = IMPLICIT_DEF
+ $x0 = COPY %11
+ %12:gpr64all = IMPLICIT_DEF
+ STATEPOINT 2, 4, 1, %12, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ %13:gpr64all = COPY $x0
+ %14:gpr32 = COPY $wzr
+ CBNZW %14, %bb.10
+ B %bb.4
+
+ bb.4.bb24:
+ successors: %bb.7(0x20000000), %bb.16(0x60000000)
+
+ %15:gpr32 = COPY $wzr
+ CBNZW %15, %bb.7
+ B %bb.16
+
+ bb.16.bb24:
+ successors: %bb.6(0x2aaaaaab), %bb.17(0x55555555)
+
+ %16:gpr32 = COPY $wzr
+ CBNZW %16, %bb.6
+ B %bb.17
+
+ bb.17.bb24:
+ successors: %bb.5(0x80000000)
+
+
+ bb.5.bb25:
+ successors: %bb.9(0x80000000)
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %22:gpr64all = IMPLICIT_DEF
+ $x0 = COPY %22
+ %23:gpr64all = IMPLICIT_DEF
+ STATEPOINT 2, 4, 1, %23, $x0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ %24:gpr64all = COPY $x0
+ %0:gpr64all = COPY %24
+ %25:gpr64all = COPY $xzr
+ %1:gpr64all = COPY %25
+ B %bb.9
+
+ bb.6.bb29:
+ successors: %bb.9(0x80000000)
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %19:gpr64all = IMPLICIT_DEF
+ $x0 = COPY %19
+ %20:gpr64all = IMPLICIT_DEF
+ STATEPOINT 2, 4, 1, %20, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+ %21:gpr64all = COPY $x0
+ %18:gpr64all = IMPLICIT_DEF
+ B %bb.9
+
+ bb.7.bb31:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %17:gpr32 = MOVi32imm 10
+ $w0 = COPY %17
+ STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.8.bb35:
+ successors:
+
+
+ bb.9.bb36:
+ successors: %bb.14(0x30000000), %bb.11(0x50000000)
+
+ %2:gpr64all = PHI %18, %bb.6, %1, %bb.5
+ %3:gpr64 = PHI %18, %bb.6, %0, %bb.5
+ CBZX %3, %bb.14
+ B %bb.11
+
+ bb.10.bb40:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %36:gpr32 = MOVi32imm 10
+ $w0 = COPY %36
+ STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.11.bb42:
+ successors: %bb.13(0x20000000), %bb.18(0x60000000)
+
+ %26:gpr32 = COPY $wzr
+ CBNZW %26, %bb.13
+ B %bb.18
+
+ bb.18.bb42:
+ successors: %bb.13(0x2aaaaaab), %bb.12(0x55555555)
+
+ %27:gpr32 = COPY $wzr
+ CBNZW %27, %bb.13
+ B %bb.12
+
+ bb.12.bb47:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %28:gpr32 = MOVi32imm 14
+ $w0 = COPY %28
+ %29:gpr64all, %30:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 2, %2, %3, 2, 2, %2(tied-def 0), %3(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.13.bb49:
+ successors:
+
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %31:gpr32 = MOVi32imm 10
+ $w0 = COPY %31
+ %32:gpr64all, %33:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 3, %2, %3, %3, 2, 2, %2(tied-def 0), %3(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+ bb.14.bb51:
+ ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
+ %34:gpr32 = MOVi32imm 24
+ $w0 = COPY %34
+ %35:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 1, %2, 2, 1, %2(tied-def 0), 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
+ ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
+
+...
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