50 lines
1.7 KiB
LLVM
50 lines
1.7 KiB
LLVM
; Test to ensure that thin linking with -import-cutoff stops importing when
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; expected.
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; "-stats" and "-debug-only" require +Asserts.
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; REQUIRES: asserts
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: opt -module-summary %p/Inputs/funcimport_cutoff.ll -o %t2.bc
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; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
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; First do with default options, which should import both foo and bar
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; RUN: opt -function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=IMPORT
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; Next try to restrict to 1 import. This should import just foo.
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; RUN: opt -import-cutoff=1 -function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=IMPORT1
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; Next try to restrict to 0 imports. This should not import.
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; RUN: opt -import-cutoff=0 -function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=NOIMPORT
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define i32 @main() {
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entry:
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call void @foo()
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call void @bar()
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ret i32 0
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}
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declare void @foo()
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declare void @bar()
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; Check -print-imports output
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; IMPORT: Import foo
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; IMPORT: Import bar
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; IMPORT1: Import foo
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; IMPORT1-NOT: Import bar
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; NOIMPORT-NOT: Import foo
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; NOIMPORT-NOT: Import bar
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; Check -S output
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; IMPORT-DAG: define available_externally void @foo()
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; IMPORT-DAG: define available_externally void @bar()
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; NOIMPORT-DAG: declare void @foo()
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; NOIMPORT-DAG: declare void @bar()
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; IMPORT1-DAG: define available_externally void @foo()
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; IMPORT1-DAG: declare void @bar()
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; Check -stats output
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; IMPORT: 2 function-import - Number of functions imported
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; IMPORT1: 1 function-import - Number of functions imported
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; NOIMPORT-NOT: function-import - Number of functions imported
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