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16 lines
416 B
LLVM
16 lines
416 B
LLVM
; Test general-dynamic TLS access optimizations.
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;
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; If we access the same TLS variable twice, there should only be
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; a single call to __tls_get_offset.
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;
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; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "__tls_get_offset" | count 1
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@x = thread_local global i32 0
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define i32 @foo() {
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%val = load i32, i32* @x
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%inc = add nsw i32 %val, 1
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store i32 %inc, i32* @x
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ret i32 %val
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}
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