34 lines
1.7 KiB
LLVM
34 lines
1.7 KiB
LLVM
; RUN: opt -S -passes=globalopt < %s | FileCheck %s
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;; Check that Global Opt preserves address space of llvm.used and
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;; llvm.compiler.used variables.
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%struct.FakeDeviceGlobal = type { ptr addrspace(4) }
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%class.anon = type { i8 }
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@_ZM2C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8
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@_ZL1C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8
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@llvm.compiler.used = appending global [2 x ptr addrspace(4)] [ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4))]
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; CHECK: @llvm.compiler.used = appending global [2 x ptr addrspace(4)] [ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4))]
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define weak_odr dso_local void @foo() {
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entry:
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%A = alloca %class.anon, align 1
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%A.addrspacecast = addrspacecast ptr %A to ptr addrspace(4)
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call void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %A.addrspacecast)
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ret void
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}
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define internal void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %this) align 2 {
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entry:
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%this.addr = alloca ptr addrspace(4), align 8
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%this.addr.ascast = addrspacecast ptr %this.addr to ptr addrspace(4)
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store ptr addrspace(4) %this, ptr addrspace(4) %this.addr.ascast, align 8
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%v1 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), align 8
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store i32 42, ptr addrspace(4) %v1, align 4
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%v2 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), align 8
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store i32 42, ptr addrspace(4) %v2, align 4
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ret void
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}
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