64 changes: 31 additions & 33 deletions llvm/test/CodeGen/AArch64/win64_vararg.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -103,21 +103,21 @@ declare i32 @__stdio_common_vsprintf(i64, i8*, i64, i8*, i8*, i8*) local_unnamed
declare i64* @__local_stdio_printf_options() local_unnamed_addr #4

; CHECK-LABEL: fp
; CHECK: stp x29, x30, [sp, #-96]
; CHECK: stp x19, x20, [sp, #-96]
; CHECK: str x21, [sp, #16]
; CHECK: stp x19, x20, [sp, #32]
; CHECK: mov x29, sp
; CHECK: add x8, x29, #56
; CHECK: stp x29, x30, [sp, #24]
; CHECK: add x29, sp, #24
; CHECK: add x8, x29, #32
; CHECK: mov x19, x2
; CHECK: mov x20, x1
; CHECK: mov x21, x0
; CHECK: stp x3, x4, [x29, #56]
; CHECK: stp x5, x6, [x29, #72]
; CHECK: str x7, [x29, #88]
; CHECK: str x8, [x29, #24]
; CHECK: stp x3, x4, [x29, #32]
; CHECK: stp x5, x6, [x29, #48]
; CHECK: str x7, [x29, #64]
; CHECK: str x8, [x29, #16]
; CHECK: bl __local_stdio_printf_options
; CHECK: ldr x8, [x0]
; CHECK: add x5, x29, #56
; CHECK: add x5, x29, #32
; CHECK: mov x1, x21
; CHECK: mov x2, x20
; CHECK: orr x0, x8, #0x2
Expand All @@ -126,9 +126,9 @@ declare i64* @__local_stdio_printf_options() local_unnamed_addr #4
; CHECK: bl __stdio_common_vsprintf
; CHECK: cmp w0, #0
; CHECK: csinv w0, w0, wzr, ge
; CHECK: ldp x19, x20, [sp, #32]
; CHECK: ldp x29, x30, [sp, #24]
; CHECK: ldr x21, [sp, #16]
; CHECK: ldp x29, x30, [sp], #96
; CHECK: ldp x19, x20, [sp], #96
; CHECK: ret
define i32 @fp(i8*, i64, i8*, ...) local_unnamed_addr #6 {
%4 = alloca i8*, align 8
Expand All @@ -150,26 +150,26 @@ define i32 @fp(i8*, i64, i8*, ...) local_unnamed_addr #6 {
attributes #6 = { "frame-pointer"="all" }

; CHECK-LABEL: vla
; CHECK: stp x29, x30, [sp, #-112]!
; CHECK: str x23, [sp, #16]
; CHECK: stp x21, x22, [sp, #32]
; CHECK: stp x19, x20, [sp, #48]
; CHECK: mov x29, sp
; CHECK: add x8, x29, #64
; CHECK: str x8, [x29, #24]
; CHECK: stp x19, x20, [sp, #-112]!
; CHECK: stp x21, x22, [sp, #16]
; CHECK: str x23, [sp, #32]
; CHECK: stp x29, x30, [sp, #40]
; CHECK: add x29, sp, #40
; CHECK: add x8, x29, #24
; CHECK: str x8, [x29, #16]
; CHECK: mov w8, w0
; CHECK: add x8, x8, #15
; CHECK: lsr x15, x8, #4
; CHECK: mov x19, x1
; CHECK: mov [[REG2:x[0-9]+]], sp
; CHECK: stp x2, x3, [x29, #64]
; CHECK: stp x4, x5, [x29, #80]
; CHECK: stp x6, x7, [x29, #96]
; CHECK: stp x2, x3, [x29, #24]
; CHECK: stp x4, x5, [x29, #40]
; CHECK: stp x6, x7, [x29, #56]
; CHECK: bl __chkstk
; CHECK: mov x8, sp
; CHECK: sub [[REG:x[0-9]+]], x8, x15, lsl #4
; CHECK: mov sp, [[REG]]
; CHECK: ldr [[REG3:x[0-9]+]], [x29, #24]
; CHECK: ldr [[REG3:x[0-9]+]], [x29, #16]
; CHECK: sxtw [[REG4:x[0-9]+]], w0
; CHECK: bl __local_stdio_printf_options
; CHECK: ldr x8, [x0]
Expand All @@ -181,11 +181,11 @@ attributes #6 = { "frame-pointer"="all" }
; CHECK: mov x5, [[REG3]]
; CHECK: bl __stdio_common_vsprintf
; CHECK: mov sp, [[REG2]]
; CHECK: mov sp, x29
; CHECK: ldp x19, x20, [sp, #48]
; CHECK: ldp x21, x22, [sp, #32]
; CHECK: ldr x23, [sp, #16]
; CHECK: ldp x29, x30, [sp], #112
; CHECK: sub sp, x29, #40
; CHECK: ldp x29, x30, [sp, #40]
; CHECK: ldr x23, [sp, #32]
; CHECK: ldp x21, x22, [sp, #16]
; CHECK: ldp x19, x20, [sp], #112
; CHECK: ret
define void @vla(i32, i8*, ...) local_unnamed_addr {
%3 = alloca i8*, align 8
Expand All @@ -212,9 +212,8 @@ declare void @llvm.stackrestore(i8*)

; CHECK-LABEL: snprintf
; CHECK-DAG: sub sp, sp, #96
; CHECK-DAG: str x30, [sp, #16]
; CHECK-DAG: str x21, [sp, #24]
; CHECK-DAG: stp x19, x20, [sp, #32]
; CHECK-DAG: stp x19, x20, [sp, #16]
; CHECK-DAG: stp x21, x30, [sp, #32]
; CHECK-DAG: add x8, sp, #56
; CHECK-DAG: mov x19, x2
; CHECK-DAG: mov x20, x1
Expand All @@ -232,9 +231,8 @@ declare void @llvm.stackrestore(i8*)
; CHECK-DAG: mov x3, x19
; CHECK-DAG: mov x4, xzr
; CHECK-DAG: bl __stdio_common_vsprintf
; CHECK-DAG: ldr x30, [sp, #16]
; CHECK-DAG: ldr x21, [sp, #24]
; CHECK-DAG: ldp x19, x20, [sp, #32]
; CHECK-DAG: ldp x21, x30, [sp, #32]
; CHECK-DAG: ldp x19, x20, [sp, #16]
; CHECK-DAG: cmp w0, #0
; CHECK-DAG: csinv w0, w0, wzr, ge
; CHECK-DAG: add sp, sp, #96
Expand Down
70 changes: 70 additions & 0 deletions llvm/test/CodeGen/AArch64/wineh-frame-predecrement.mir
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@@ -0,0 +1,70 @@
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s

# Check that the callee-saved registers are saved starting with a STP
# with predecrement, followed by a separate stack adjustment later,
# if the optsize attribute is set.

# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -2
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -16
# CHECK-NEXT: $sp = frame-setup SUBXri $sp, 16, 0
# CHECK-NEXT: frame-setup SEH_StackAlloc 16
# CHECK-NEXT: frame-setup SEH_PrologEnd

--- |

define dso_local i32 @func(i32 %a) optsize { ret i32 %a }

...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack:
- { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -4, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x19, $x20
renamable $x8 = ADDXri %stack.0, 0, 0
$x19 = ADDXrr $x0, $x8
$x20 = ADDXrr $x19, $x0
$x0 = ADDXrr $x0, killed $x20
RET_ReallyLR
...
89 changes: 89 additions & 0 deletions llvm/test/CodeGen/AArch64/wineh-frame-scavenge.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,89 @@
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s
# Check where the stack variable is placed

# CHECK: - { id: 0, name: '', type: default, offset: -4, size: 4, alignment: 4,
# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK-NEXT: local-offset: -4, debug-info-variable: '', debug-info-expression: '',
# CHECK-NEXT: debug-info-location: '' }
# CHECK-NEXT: - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }

# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -6 :: (store 8 into %stack.4), (store 8 into %stack.5)
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -48
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 2 :: (store 8 into %stack.2), (store 8 into %stack.3)
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: frame-setup STRXui killed $x23, $sp, 4 :: (store 8 into %stack.1)
# CHECK-NEXT: frame-setup SEH_SaveReg 23, 32
# CHECK-NEXT: frame-setup SEH_PrologEnd


...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack:
- { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -4, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.entry:
liveins: $x0, $x23, $x21, $x22, $x19, $x20
renamable $x8 = ADDXri %stack.0, 0, 0
$x19 = ADDXrr $x0, $x8
$x20 = ADDXrr $x19, $x0
$x21 = ADDXrr $x20, killed $x19
$x22 = ADDXrr $x21, killed $x20
$x23 = ADDXrr $x22, killed $x21
$x0 = ADDXrr $x0, killed $x23
RET_ReallyLR
...
32 changes: 16 additions & 16 deletions llvm/test/CodeGen/AArch64/wineh-frame0.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -2,28 +2,28 @@
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_regp_x, save_regp

# CHECK: early-clobber $sp = frame-setup STPXpre killed $x27, killed $x28, $sp, -10
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 27, 28, -80
# CHECK-NEXT: frame-setup STPXi killed $x25, killed $x26, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveRegP 25, 26, 16
# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -10
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -80
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: frame-setup STPXi killed $x23, killed $x24, $sp, 4
# CHECK-NEXT: frame-setup SEH_SaveRegP 23, 24, 32
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 6
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 48
# CHECK-NEXT: frame-setup STPXi killed $x19, killed $x20, $sp, 8
# CHECK-NEXT: frame-setup SEH_SaveRegP 19, 20, 64
# CHECK-NEXT: frame-setup STPXi killed $x25, killed $x26, $sp, 6
# CHECK-NEXT: frame-setup SEH_SaveRegP 25, 26, 48
# CHECK-NEXT: frame-setup STPXi killed $x27, killed $x28, $sp, 8
# CHECK-NEXT: frame-setup SEH_SaveRegP 27, 28, 64
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $x19, $x20 = frame-destroy LDPXi $sp, 8
# CHECK-NEXT: frame-destroy SEH_SaveRegP 19, 20, 64
# CHECK-NEXT: $x21, $x22 = frame-destroy LDPXi $sp, 6
# CHECK-NEXT: frame-destroy SEH_SaveRegP 21, 22, 48
# CHECK-NEXT: $x27, $x28 = frame-destroy LDPXi $sp, 8
# CHECK-NEXT: frame-destroy SEH_SaveRegP 27, 28, 64
# CHECK-NEXT: $x25, $x26 = frame-destroy LDPXi $sp, 6
# CHECK-NEXT: frame-destroy SEH_SaveRegP 25, 26, 48
# CHECK-NEXT: $x23, $x24 = frame-destroy LDPXi $sp, 4
# CHECK-NEXT: frame-destroy SEH_SaveRegP 23, 24, 32
# CHECK-NEXT: $x25, $x26 = frame-destroy LDPXi $sp, 2
# CHECK-NEXT: frame-destroy SEH_SaveRegP 25, 26, 16
# CHECK-NEXT: early-clobber $sp, $x27, $x28 = frame-destroy LDPXpost $sp, 10
# CHECK-NEXT: frame-destroy SEH_SaveRegP_X 27, 28, -80
# CHECK-NEXT: $x21, $x22 = frame-destroy LDPXi $sp, 2
# CHECK-NEXT: frame-destroy SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: early-clobber $sp, $x19, $x20 = frame-destroy LDPXpost $sp, 10
# CHECK-NEXT: frame-destroy SEH_SaveRegP_X 19, 20, -80
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: RET_ReallyLR implicit $x0

Expand Down
48 changes: 24 additions & 24 deletions llvm/test/CodeGen/AArch64/wineh-frame1.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -2,36 +2,36 @@
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_fregp_x, save_fregp

# CHECK: early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14
# CHECK-NEXT: frame-setup SEH_SaveFRegP_X 10, 11, -112
# CHECK-NEXT: frame-setup STPDi killed $d8, killed $d9, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveFRegP 8, 9, 16
# CHECK-NEXT: frame-setup STPXi killed $x27, killed $x28, $sp, 4
# CHECK-NEXT: frame-setup SEH_SaveRegP 27, 28, 32
# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -14
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -112
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: frame-setup STPXi killed $x23, killed $x24, $sp, 4
# CHECK-NEXT: frame-setup SEH_SaveRegP 23, 24, 32
# CHECK-NEXT: frame-setup STPXi killed $x25, killed $x26, $sp, 6
# CHECK-NEXT: frame-setup SEH_SaveRegP 25, 26, 48
# CHECK-NEXT: frame-setup STPXi killed $x23, killed $x24, $sp, 8
# CHECK-NEXT: frame-setup SEH_SaveRegP 23, 24, 64
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 10
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 80
# CHECK-NEXT: frame-setup STPXi killed $x19, killed $x20, $sp, 12
# CHECK-NEXT: frame-setup SEH_SaveRegP 19, 20, 96
# CHECK-NEXT: frame-setup STPXi killed $x27, killed $x28, $sp, 8
# CHECK-NEXT: frame-setup SEH_SaveRegP 27, 28, 64
# CHECK-NEXT: frame-setup STPDi killed $d8, killed $d9, $sp, 10
# CHECK-NEXT: frame-setup SEH_SaveFRegP 8, 9, 80
# CHECK-NEXT: frame-setup STPDi killed $d10, killed $d11, $sp, 12
# CHECK-NEXT: frame-setup SEH_SaveFRegP 10, 11, 96
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $x19, $x20 = frame-destroy LDPXi $sp, 12
# CHECK-NEXT: frame-destroy SEH_SaveRegP 19, 20, 96
# CHECK-NEXT: $x21, $x22 = frame-destroy LDPXi $sp, 10
# CHECK-NEXT: frame-destroy SEH_SaveRegP 21, 22, 80
# CHECK-NEXT: $x23, $x24 = frame-destroy LDPXi $sp, 8
# CHECK-NEXT: frame-destroy SEH_SaveRegP 23, 24, 64
# CHECK-NEXT: $d10, $d11 = frame-destroy LDPDi $sp, 12
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 10, 11, 96
# CHECK-NEXT: $d8, $d9 = frame-destroy LDPDi $sp, 10
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 8, 9, 80
# CHECK-NEXT: $x27, $x28 = frame-destroy LDPXi $sp, 8
# CHECK-NEXT: frame-destroy SEH_SaveRegP 27, 28, 64
# CHECK-NEXT: $x25, $x26 = frame-destroy LDPXi $sp, 6
# CHECK-NEXT: frame-destroy SEH_SaveRegP 25, 26, 48
# CHECK-NEXT: $x27, $x28 = frame-destroy LDPXi $sp, 4
# CHECK-NEXT: frame-destroy SEH_SaveRegP 27, 28, 32
# CHECK-NEXT: $d8, $d9 = frame-destroy LDPDi $sp, 2
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 8, 9, 16
# CHECK-NEXT: early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14
# CHECK-NEXT: frame-destroy SEH_SaveFRegP_X 10, 11, -112
# CHECK-NEXT: $x23, $x24 = frame-destroy LDPXi $sp, 4
# CHECK-NEXT: frame-destroy SEH_SaveRegP 23, 24, 32
# CHECK-NEXT: $x21, $x22 = frame-destroy LDPXi $sp, 2
# CHECK-NEXT: frame-destroy SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: early-clobber $sp, $x19, $x20 = frame-destroy LDPXpost $sp, 14
# CHECK-NEXT: frame-destroy SEH_SaveRegP_X 19, 20, -112
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: RET_ReallyLR implicit $x0
...
Expand Down
32 changes: 16 additions & 16 deletions llvm/test/CodeGen/AArch64/wineh-frame2.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -2,24 +2,24 @@
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_freg_x, save_frep, save_reg

# CHECK: early-clobber $sp = frame-setup STRDpre killed $d12, $sp, -48
# CHECK-NEXT: frame-setup SEH_SaveFReg_X 12, -48
# CHECK-NEXT: frame-setup STPDi killed $d10, killed $d11, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveFRegP 10, 11, 8
# CHECK-NEXT: frame-setup STPDi killed $d8, killed $d9, $sp, 3
# CHECK-NEXT: frame-setup SEH_SaveFRegP 8, 9, 24
# CHECK-NEXT: frame-setup STRXui killed $x19, $sp, 5
# CHECK-NEXT: frame-setup SEH_SaveReg 19, 40
# CHECK: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -48
# CHECK-NEXT: frame-setup SEH_SaveReg_X 19, -48
# CHECK-NEXT: frame-setup STPDi killed $d8, killed $d9, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveFRegP 8, 9, 8
# CHECK-NEXT: frame-setup STPDi killed $d10, killed $d11, $sp, 3
# CHECK-NEXT: frame-setup SEH_SaveFRegP 10, 11, 24
# CHECK-NEXT: frame-setup STRDui killed $d12, $sp, 5
# CHECK-NEXT: frame-setup SEH_SaveFReg 12, 40
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $x19 = frame-destroy LDRXui $sp, 5
# CHECK-NEXT: frame-destroy SEH_SaveReg 19, 40
# CHECK-NEXT: $d8, $d9 = frame-destroy LDPDi $sp, 3
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 8, 9, 24
# CHECK-NEXT: $d10, $d11 = frame-destroy LDPDi $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 10, 11, 8
# CHECK-NEXT: early-clobber $sp, $d12 = frame-destroy LDRDpost $sp, 48
# CHECK-NEXT: frame-destroy SEH_SaveFReg_X 12, -48
# CHECK-NEXT: $d12 = frame-destroy LDRDui $sp, 5
# CHECK-NEXT: frame-destroy SEH_SaveFReg 12, 40
# CHECK-NEXT: $d10, $d11 = frame-destroy LDPDi $sp, 3
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 10, 11, 24
# CHECK-NEXT: $d8, $d9 = frame-destroy LDPDi $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveFRegP 8, 9, 8
# CHECK-NEXT: early-clobber $sp, $x19 = frame-destroy LDRXpost $sp, 48
# CHECK-NEXT: frame-destroy SEH_SaveReg_X 19, -48
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: RET_ReallyLR implicit $x0
...
Expand Down
16 changes: 8 additions & 8 deletions llvm/test/CodeGen/AArch64/wineh-frame3.mir
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,16 @@
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_reg_x, save_reg

# CHECK: early-clobber $sp = frame-setup STRXpre killed $x22, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveReg_X 22, -16
# CHECK-NEXT: frame-setup STRXui killed $x19, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveReg 19, 8
# CHECK: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveReg_X 19, -16
# CHECK-NEXT: frame-setup STRXui killed $x22, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveReg 22, 8
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $x19 = frame-destroy LDRXui $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveReg 19, 8
# CHECK-NEXT: early-clobber $sp, $x22 = frame-destroy LDRXpost $sp, 16
# CHECK-NEXT: frame-destroy SEH_SaveReg_X 22, -16
# CHECK-NEXT: $x22 = frame-destroy LDRXui $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveReg 22, 8
# CHECK-NEXT: early-clobber $sp, $x19 = frame-destroy LDRXpost $sp, 16
# CHECK-NEXT: frame-destroy SEH_SaveReg_X 19, -16
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: RET_ReallyLR implicit $x0
...
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16 changes: 8 additions & 8 deletions llvm/test/CodeGen/AArch64/wineh-frame4.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,16 @@
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_freg_x, save_freg

# CHECK: early-clobber $sp = frame-setup STRDpre killed $d10, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveFReg_X 10, -16
# CHECK-NEXT: frame-setup STRDui killed $d8, $sp, 1 :: (store 8 into %stack.0)
# CHECK-NEXT: frame-setup SEH_SaveFReg 8, 8
# CHECK: early-clobber $sp = frame-setup STRDpre killed $d8, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveFReg_X 8, -16
# CHECK-NEXT: frame-setup STRDui killed $d10, $sp, 1 :: (store 8 into %stack.0)
# CHECK-NEXT: frame-setup SEH_SaveFReg 10, 8
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $d8 = frame-destroy LDRDui $sp, 1 :: (load 8 from %stack.0)
# CHECK-NEXT: frame-destroy SEH_SaveFReg 8, 8
# CHECK-NEXT: early-clobber $sp, $d10 = frame-destroy LDRDpost $sp, 16 :: (load 8 from %stack.1)
# CHECK-NEXT: frame-destroy SEH_SaveFReg_X 10, -16
# CHECK-NEXT: $d10 = frame-destroy LDRDui $sp, 1 :: (load 8 from %stack.0)
# CHECK-NEXT: frame-destroy SEH_SaveFReg 10, 8
# CHECK-NEXT: early-clobber $sp, $d8 = frame-destroy LDRDpost $sp, 16 :: (load 8 from %stack.1)
# CHECK-NEXT: frame-destroy SEH_SaveFReg_X 8, -16
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: RET_ReallyLR implicit $x0
...
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16 changes: 8 additions & 8 deletions llvm/test/CodeGen/AArch64/wineh-frame5.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,10 @@
# Check multiple epilogues, save_reg, save_reg_x.

# CHECK-LABEL: bb.0.entry:
# CHECK: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -4
# CHECK-NEXT: frame-setup SEH_SaveFPLR_X -32
# CHECK-NEXT: frame-setup STRXui killed $x19, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveReg 19, 16
# CHECK: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -32
# CHECK-NEXT: frame-setup SEH_SaveReg_X 19, -32
# CHECK-NEXT: frame-setup STPXi killed $fp, killed $lr, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveFPLR 8
# CHECK-NEXT: $sp = frame-setup SUBXri $sp, 496, 0
# CHECK-NEXT: frame-setup SEH_StackAlloc 496
# CHECK-NEXT: frame-setup SEH_PrologEnd
Expand All @@ -15,10 +15,10 @@
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 496, 0
# CHECK-NEXT: frame-destroy SEH_StackAlloc 496
# CHECK-NEXT: $x19 = frame-destroy LDRXui $sp, 2
# CHECK-NEXT: frame-destroy SEH_SaveReg 19, 16
# CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 4
# CHECK-NEXT: frame-destroy SEH_SaveFPLR_X -32
# CHECK-NEXT: $fp, $lr = frame-destroy LDPXi $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveFPLR 8
# CHECK-NEXT: early-clobber $sp, $x19 = frame-destroy LDRXpost $sp, 32
# CHECK-NEXT: frame-destroy SEH_SaveReg_X 19, -32
# CHECK-NEXT: frame-destroy SEH_EpilogEnd
# CHECK-NEXT: TCRETURNdi @"?func2@@YAHXZ", 0, csr_aarch64_aapcs, implicit $sp

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74 changes: 74 additions & 0 deletions llvm/test/CodeGen/AArch64/wineh-save-lrpair1.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: | FileCheck --check-prefix=ASM %s

# Check that an odd callee-saved GPR is paired with lr

# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -4
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -32
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $lr, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 30, 16
# CHECK-NEXT: frame-setup SEH_PrologEnd

# ASM: stp x19, x20, [sp, #-32]!
# ASM-NEXT: .seh_save_regp_x x19, 32
# ASM-NEXT: stp x21, x30, [sp, #16]
# ASM-NEXT: .seh_save_lrpair x21, 16
# ASM-NEXT: .seh_endprologue

--- |

define dso_local i32 @func(i32 %a) { ret i32 %a }
declare dso_local i32 @other()

...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x21, $x19, $x20
BL @other, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0
$x19 = ADDXrr $x0, $x0
$x20 = ADDXrr $x19, $x0
$x21 = ADDXrr $x20, killed $x19
$x0 = ADDXrr $x0, killed $x21
RET_ReallyLR
...
65 changes: 65 additions & 0 deletions llvm/test/CodeGen/AArch64/wineh-save-lrpair2.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s

# Check that lr isn't paired with a GPR if it's the first pair, as
# that can't be described as a SEH opcode if combined with predecrement.

# CHECK: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveReg_X 19, -16
# CHECK-NEXT: frame-setup STRXui killed $lr, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveReg 30, 8
# CHECK-NEXT: frame-setup SEH_PrologEnd

--- |

define dso_local i32 @func(i32 %a) { ret i32 %a }
declare dso_local i32 @other()

...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x19
BL @other, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0
$x19 = ADDXrr $x0, $x0
$x0 = ADDXrr $x0, killed $x19
RET_ReallyLR
...
68 changes: 68 additions & 0 deletions llvm/test/CodeGen/AArch64/wineh-save-lrpair3.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,68 @@
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s

# Check that an unpaired register that is even isn't paired with lr.

# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -4
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -32
# CHECK-NEXT: frame-setup STRXui killed $x22, $sp, 2
# CHECK-NEXT: frame-setup SEH_SaveReg 22, 16
# CHECK-NEXT: frame-setup STRXui killed $lr, $sp, 3
# CHECK-NEXT: frame-setup SEH_SaveReg 30, 24
# CHECK-NEXT: frame-setup SEH_PrologEnd

--- |

define dso_local i32 @func(i32 %a) { ret i32 %a }
declare dso_local i32 @other()

...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x22, $x19, $x20
BL @other, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0
$x19 = ADDXrr $x0, $x0
$x20 = ADDXrr $x19, $x0
$x22 = ADDXrr $x20, killed $x19
$x0 = ADDXrr $x0, killed $x22
RET_ReallyLR
...
24 changes: 12 additions & 12 deletions llvm/test/CodeGen/AArch64/wineh-try-catch-realign.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -9,25 +9,25 @@
; it shouldn't access the parent's frame via sp, and the prologue and
; epilogue should be symmetrical.
; CHECK-LABEL: "?catch$2@?0??a@@YAXXZ@4HA":
; CHECK: stp x29, x30, [sp, #-32]!
; CHECK-NEXT: .seh_save_fplr_x 32
; CHECK-NEXT: str x28, [sp, #16]
; CHECK-NEXT: .seh_save_reg x28, 16
; CHECK-NEXT: str x19, [sp, #24]
; CHECK-NEXT: .seh_save_reg x19, 24
; CHECK: str x19, [sp, #-32]!
; CHECK-NEXT: .seh_save_reg_x x19, 32
; CHECK-NEXT: str x28, [sp, #8]
; CHECK-NEXT: .seh_save_reg x28, 8
; CHECK-NEXT: stp x29, x30, [sp, #16]
; CHECK-NEXT: .seh_save_fplr 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: add x0, x19, #0
; CHECK-NEXT: mov w1, wzr
; CHECK-NEXT: bl "?bb@@YAXPEAHH@Z"
; CHECK-NEXT: adrp x0, .LBB0_1
; CHECK-NEXT: add x0, x0, .LBB0_1
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x19, [sp, #24]
; CHECK-NEXT: .seh_save_reg x19, 24
; CHECK-NEXT: ldr x28, [sp, #16]
; CHECK-NEXT: .seh_save_reg x28, 16
; CHECK-NEXT: ldp x29, x30, [sp], #32
; CHECK-NEXT: .seh_save_fplr_x 32
; CHECK-NEXT: ldp x29, x30, [sp, #16]
; CHECK-NEXT: .seh_save_fplr 16
; CHECK-NEXT: ldr x28, [sp, #8]
; CHECK-NEXT: .seh_save_reg x28, 8
; CHECK-NEXT: ldr x19, [sp], #32
; CHECK-NEXT: .seh_save_reg_x x19, 32
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret

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38 changes: 19 additions & 19 deletions llvm/test/CodeGen/AArch64/wineh-try-catch.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,15 @@
; We check this offset in the table later on.

; CHECK-LABEL: "?func@@YAHXZ":
; CHECK: stp x29, x30, [sp, #-64]!
; CHECK: str x28, [sp, #16]
; CHECK: str x21, [sp, #24]
; CHECK: stp x19, x20, [sp, #32]
; CHECK: mov x29, sp
; CHECK: stp x19, x20, [sp, #-64]!
; CHECK: str x21, [sp, #16]
; CHECK: str x28, [sp, #24]
; CHECK: stp x29, x30, [sp, #32]
; CHECK: add x29, sp, #32
; CHECK: sub sp, sp, #624
; CHECK: mov x19, sp
; CHECK: mov x0, #-2
; CHECK: stur x0, [x29, #48]
; CHECK: stur x0, [x29, #16]

; Now check that x is stored at fp - 20. We check that this is the same
; location accessed from the funclet to retrieve x.
Expand All @@ -47,10 +47,10 @@
; CHECK-LABEL: "?catch$2@?0??func@@YAHXZ@4HA":

; Check that the stack space is allocated only for the callee saved registers.
; CHECK: stp x29, x30, [sp, #-48]!
; CHECK: str x28, [sp, #16]
; CHECK: str x21, [sp, #24]
; CHECK: stp x19, x20, [sp, #32]
; CHECK: stp x19, x20, [sp, #-48]!
; CHECK: str x21, [sp, #16]
; CHECK: str x28, [sp, #24]
; CHECK: stp x29, x30, [sp, #32]
; CHECK: add x20, x19, #12

; Check that there are no further stack updates.
Expand Down Expand Up @@ -87,18 +87,18 @@
; UNWIND: Prologue [
; UNWIND-NEXT: ; nop
; UNWIND-NEXT: ; sub sp, #624
; UNWIND-NEXT: ; mov fp, sp
; UNWIND-NEXT: ; stp x19, x20, [sp, #32]
; UNWIND-NEXT: ; str x21, [sp, #24]
; UNWIND-NEXT: ; str x28, [sp, #16]
; UNWIND-NEXT: ; stp x29, x30, [sp, #-64]!
; UNWIND-NEXT: ; add fp, sp, #32
; UNWIND-NEXT: ; stp x29, x30, [sp, #32]
; UNWIND-NEXT: ; str x28, [sp, #24]
; UNWIND-NEXT: ; str x21, [sp, #16]
; UNWIND-NEXT: ; stp x19, x20, [sp, #-64]!
; UNWIND-NEXT: ; end
; UNWIND: Function: ?catch$2@?0??func@@YAHXZ@4HA
; UNWIND: Prologue [
; UNWIND-NEXT: ; stp x19, x20, [sp, #32]
; UNWIND-NEXT: ; str x21, [sp, #24]
; UNWIND-NEXT: ; str x28, [sp, #16]
; UNWIND-NEXT: ; stp x29, x30, [sp, #-48]!
; UNWIND-NEXT: ; stp x29, x30, [sp, #32]
; UNWIND-NEXT: ; str x28, [sp, #24]
; UNWIND-NEXT: ; str x21, [sp, #16]
; UNWIND-NEXT: ; stp x19, x20, [sp, #-48]!
; UNWIND-NEXT: ; end

target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
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2 changes: 1 addition & 1 deletion llvm/test/CodeGen/AArch64/wineh_shrinkwrap.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
# The same test gets shrink wrapped on Linux ARM64.

# WIN64-LABEL: bb.0.entry:
# WIN64: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -4
# WIN64: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -32
# WIN64-LABEL: bb.1:
# WIN64-LABEL: bb.2.if.then:

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