forked from OSchip/llvm-project
47 lines
1.1 KiB
LLVM
47 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=x86_64 -relocation-model=pic < %s | FileCheck %s
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;; With a module flag SemanticInterposition=0, infer dso_local flags even if PIC.
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;; Local aliases will be generated for applicable variables and functions.
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@var = global i32 0, align 4
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@ifunc = ifunc i32 (), bitcast (i32 ()* ()* @ifunc_resolver to i32 ()*)
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define i32 @ifunc_impl() {
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entry:
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ret i32 0
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}
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define i32 ()* @ifunc_resolver() {
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entry:
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ret i32 ()* @ifunc_impl
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}
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declare i32 @external()
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define i32 @func() {
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ret i32 0
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}
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;; Don't set dso_local on declarations or ifuncs.
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define i32 @foo() {
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; CHECK: movl .Lvar$local(%rip), %ebp
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; CHECK: callq external@PLT
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; CHECK: callq ifunc@PLT
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; CHECK: callq .Lfunc$local{{$}}
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entry:
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%0 = load i32, i32* @var, align 4
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%call = tail call i32 @external()
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%add = add nsw i32 %call, %0
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%call1 = tail call i32 @ifunc()
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%add2 = add nsw i32 %add, %call1
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%call2 = tail call i32 @func()
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%add3 = add nsw i32 %add, %call2
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ret i32 %add3
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}
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!llvm.module.flags = !{!0, !1}
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!0 = !{i32 1, !"SemanticInterposition", i32 0}
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!1 = !{i32 7, !"PIC Level", i32 2}
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