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| # RUN: llc -mtriple=i686-windows --run-pass="x86-cf-opt" %s -o - | FileCheck %s
# PR34903
--- |
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686--windows-msvc"
%struct.s = type { i64 }
declare void @good(i32, i32, i32, i32)
declare void @struct(%struct.s* byval, i32, i32, i32)
; Function Attrs: optsize
define void @test9() #0 {
entry:
%p = alloca i32, align 4
%q = alloca i32, align 4
%s = alloca %struct.s, align 4
call void @good(i32 1, i32 2, i32 3, i32 4)
%pv = ptrtoint i32* %p to i32
%qv = ptrtoint i32* %q to i32
call void @struct(%struct.s* byval %s, i32 6, i32 %qv, i32 %pv)
ret void
}
; Function Attrs: nounwind
declare void @llvm.stackprotector(i8*, i8**) #1
attributes #0 = { optsize }
attributes #1 = { nounwind }
...
---
# CHECK-LABEL: test9
# CHECK: ADJCALLSTACKDOWN32 16, 0, 16, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
# CHECK-NEXT: PUSH32i8 4, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32i8 3, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32i8 2, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32i8 1, implicit-def $esp, implicit $esp
# CHECK-NEXT: CALLpcrel32 @good, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp
# CHECK-NEXT: ADJCALLSTACKUP32 16, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
# CHECK-NEXT: ADJCALLSTACKDOWN32 20, 0, 20, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
# CHECK-NEXT: %1:gr32 = MOV32rm %stack.2.s, 1, $noreg, 0, $noreg :: (load 4 from %stack.2.s, align 8)
# CHECK-NEXT: %2:gr32 = MOV32rm %stack.2.s, 1, $noreg, 4, $noreg :: (load 4 from %stack.2.s + 4)
# CHECK-NEXT: %4:gr32 = LEA32r %stack.0.p, 1, $noreg, 0, $noreg
# CHECK-NEXT: %5:gr32 = LEA32r %stack.1.q, 1, $noreg, 0, $noreg
# CHECK-NEXT: PUSH32r %4, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32r %5, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32i8 6, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32r %2, implicit-def $esp, implicit $esp
# CHECK-NEXT: PUSH32r %1, implicit-def $esp, implicit $esp
# CHECK-NEXT: CALLpcrel32 @struct, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp
# CHECK-NEXT: ADJCALLSTACKUP32 20, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
# CHECK-NEXT: RET 0
name: test9
alignment: 1
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: gr32, preferred-register: '' }
- { id: 1, class: gr32, preferred-register: '' }
- { id: 2, class: gr32, preferred-register: '' }
- { id: 3, class: gr32, preferred-register: '' }
- { id: 4, class: gr32, preferred-register: '' }
- { id: 5, class: gr32, preferred-register: '' }
liveins:
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 8
adjustsStack: false
hasCalls: true
stackProtector: ''
maxCallFrameSize: 4294967295
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
- { id: 0, name: p, type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 1, name: q, type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 2, name: s, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
constants:
body: |
bb.0.entry:
ADJCALLSTACKDOWN32 16, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
%0 = COPY $esp
MOV32mi %0, 1, $noreg, 12, $noreg, 4 :: (store 4 into stack + 12)
MOV32mi %0, 1, $noreg, 8, $noreg, 3 :: (store 4 into stack + 8)
MOV32mi %0, 1, $noreg, 4, $noreg, 2 :: (store 4 into stack + 4)
MOV32mi %0, 1, $noreg, 0, $noreg, 1 :: (store 4 into stack)
CALLpcrel32 @good, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp
ADJCALLSTACKUP32 16, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
ADJCALLSTACKDOWN32 20, 0, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
%1 = MOV32rm %stack.2.s, 1, $noreg, 0, $noreg :: (load 4 from %stack.2.s, align 8)
%2 = MOV32rm %stack.2.s, 1, $noreg, 4, $noreg :: (load 4 from %stack.2.s + 4)
%3 = COPY $esp
MOV32mr %3, 1, $noreg, 4, $noreg, killed %2 :: (store 4)
MOV32mr %3, 1, $noreg, 0, $noreg, killed %1 :: (store 4)
%4 = LEA32r %stack.0.p, 1, $noreg, 0, $noreg
MOV32mr %3, 1, $noreg, 16, $noreg, killed %4 :: (store 4 into stack + 16)
%5 = LEA32r %stack.1.q, 1, $noreg, 0, $noreg
MOV32mr %3, 1, $noreg, 12, $noreg, killed %5 :: (store 4 into stack + 12)
MOV32mi %3, 1, $noreg, 8, $noreg, 6 :: (store 4 into stack + 8)
CALLpcrel32 @struct, csr_32, implicit $esp, implicit $ssp, implicit-def $esp, implicit-def $ssp,
ADJCALLSTACKUP32 20, 0, implicit-def dead $esp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $esp, implicit $ssp
RET 0
...
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