a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
18 lines
598 B
LLVM
18 lines
598 B
LLVM
; Test general-dynamic TLS access optimizations.
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;
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; If we access two different TLS variables, we need two calls to
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; __tls_get_offset, but should load _GLOBAL_OFFSET_TABLE only once.
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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 2
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; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "_GLOBAL_OFFSET_TABLE_" | count 1
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@x = thread_local global i32 0
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@y = thread_local global i32 0
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define i32 @foo() {
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%valx = load i32, ptr @x
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%valy = load i32, ptr @y
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%add = add nsw i32 %valx, %valy
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ret i32 %add
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}
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