derek.holloway
7502bf64a4
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30 lines
1.3 KiB
LLVM
30 lines
1.3 KiB
LLVM
; RUN: opt -S -passes=globalopt < %s | FileCheck %s
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; CHECK-NOT: internal
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; Both globals are write only, delete them.
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@G0 = internal global [58 x i8] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" ; <ptr> [#uses=1]
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@G1 = internal global [4 x i32] [ i32 1, i32 2, i32 3, i32 4 ] ; <ptr> [#uses=1]
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define void @foo() {
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%Blah = alloca [58 x i8]
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call void @llvm.memcpy.p0.p0.i32(ptr @G1, ptr %Blah, i32 16, i1 false)
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call void @llvm.memset.p0.i32(ptr @G0, i8 17, i32 58, i1 false)
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ret void
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}
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@G0_as1 = internal addrspace(1) global [58 x i8] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" ; <ptr> [#uses=1]
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@G1_as1 = internal addrspace(1) global [4 x i32] [ i32 1, i32 2, i32 3, i32 4 ] ; <ptr> [#uses=1]
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define void @foo_as1() {
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%Blah = alloca [58 x i8]
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call void @llvm.memcpy.p0.p0.i32(ptr addrspacecast (ptr addrspace(1) @G1_as1 to ptr), ptr %Blah, i32 16, i1 false)
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call void @llvm.memset.p1.i32(ptr addrspace(1) @G0_as1, i8 17, i32 58, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind
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declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) nounwind
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declare void @llvm.memset.p1.i32(ptr addrspace(1) nocapture, i8, i32, i1) nounwind
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