24 lines
897 B
LLVM
24 lines
897 B
LLVM
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; RUN: llc -verify-machineinstrs -mtriple=aarch64-apple-ios %s -stop-after=irtranslator -o - -global-isel | FileCheck %s
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; CHECK: name: test_stack_guard
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; CHECK: frameInfo:
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; CHECK: stackProtector: '%stack.0.StackGuardSlot'
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; CHECK: stack:
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; CHECK: - { id: 0, name: StackGuardSlot, type: default, offset: 0, size: 8, alignment: 8,
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; CHECK-NOT: id: 1
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; CHECK: [[GUARD_SLOT:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot
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; CHECK: [[GUARD:%[0-9]+]]:gpr64sp(p0) = LOAD_STACK_GUARD :: (dereferenceable invariant load 8 from @__stack_chk_guard)
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; CHECK: G_STORE [[GUARD]](p0), [[GUARD_SLOT]](p0) :: (volatile store 8 into %stack.0.StackGuardSlot)
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declare void @llvm.stackprotector(i8*, i8**)
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define void @test_stack_guard_remat2() {
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%StackGuardSlot = alloca i8*
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call void @llvm.stackprotector(i8* undef, i8** %StackGuardSlot)
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ret void
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}
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@__stack_chk_guard = external global i64*
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