test/Transforms/StackProtector/libcall-decls.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; REQUIRES: arm-registered-target, x86-registered-target
; RUN: opt -mtriple=armv7-unknown-linux-gnueabi -enable-selectiondag-sp=false -passes='require<libcall-lowering-info>,stack-protector' -S %s | FileCheck --check-prefix=ARM %s
; RUN: opt -mtriple=x86_64-unknown-openbsd -passes='require<libcall-lowering-info>,stack-protector' -S %s | FileCheck --check-prefix=OPENBSD %s

define void @foo() sspreq {
; ARM-LABEL: define void @foo(
; ARM-SAME: ) #[[ATTR0:[0-9]+]] {
; ARM-NEXT:    [[STACKGUARDSLOT:%.*]] = alloca ptr, align 4
; ARM-NEXT:    [[TMP1:%.*]] = call ptr @llvm.stackguard()
; ARM-NEXT:    call void @llvm.stackprotector(ptr [[TMP1]], ptr [[STACKGUARDSLOT]])
; ARM-NEXT:    [[A:%.*]] = alloca i32, align 4
; ARM-NEXT:    call void @capture(ptr [[A]])
; ARM-NEXT:    [[TMP2:%.*]] = call ptr @llvm.stackguard()
; ARM-NEXT:    [[TMP3:%.*]] = load volatile ptr, ptr [[STACKGUARDSLOT]], align 4
; ARM-NEXT:    [[TMP4:%.*]] = icmp eq ptr [[TMP2]], [[TMP3]]
; ARM-NEXT:    br i1 [[TMP4]], label %[[SP_RETURN:.*]], label %[[CALLSTACKCHECKFAILBLK:.*]], !prof [[PROF0:![0-9]+]]
; ARM:       [[SP_RETURN]]:
; ARM-NEXT:    ret void
; ARM:       [[CALLSTACKCHECKFAILBLK]]:
; ARM-NEXT:    call arm_aapcscc void @__stack_chk_fail() #[[ATTR3:[0-9]+]]
; ARM-NEXT:    unreachable
;
; OPENBSD-LABEL: define void @foo(
; OPENBSD-SAME: ) #[[ATTR0:[0-9]+]] {
; OPENBSD-NEXT:    [[STACKGUARDSLOT:%.*]] = alloca ptr, align 8
; OPENBSD-NEXT:    [[STACKGUARD:%.*]] = load volatile ptr, ptr @__guard_local, align 8
; OPENBSD-NEXT:    call void @llvm.stackprotector(ptr [[STACKGUARD]], ptr [[STACKGUARDSLOT]])
; OPENBSD-NEXT:    [[A:%.*]] = alloca i32, align 4
; OPENBSD-NEXT:    call void @capture(ptr [[A]])
; OPENBSD-NEXT:    [[STACKGUARD1:%.*]] = load volatile ptr, ptr @__guard_local, align 8
; OPENBSD-NEXT:    [[TMP1:%.*]] = load volatile ptr, ptr [[STACKGUARDSLOT]], align 8
; OPENBSD-NEXT:    [[TMP2:%.*]] = icmp eq ptr [[STACKGUARD1]], [[TMP1]]
; OPENBSD-NEXT:    br i1 [[TMP2]], label %[[SP_RETURN:.*]], label %[[CALLSTACKCHECKFAILBLK:.*]], !prof [[PROF0:![0-9]+]]
; OPENBSD:       [[SP_RETURN]]:
; OPENBSD-NEXT:    ret void
; OPENBSD:       [[CALLSTACKCHECKFAILBLK]]:
; OPENBSD-NEXT:    call void @__stack_smash_handler(ptr @SSH) #[[ATTR3:[0-9]+]]
; OPENBSD-NEXT:    unreachable
;
  %a = alloca i32, align 4
  call void @capture(ptr %a)
  ret void
}

declare void @capture(ptr)
;.
; ARM: [[PROF0]] = !{!"branch_weights", i32 2147481600, i32 2048}
;.
; OPENBSD: [[PROF0]] = !{!"branch_weights", i32 2147481600, i32 2048}
;.