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c30a2bafbd
Simplifying checks from r308114, to see if I can narrow down why some bots are still failing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308115 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
2.5 KiB
LLVM
47 lines
2.5 KiB
LLVM
; Test to ensure that we always select the same copy of a linkonce function
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; when it is encountered with different thresholds. Initially, we will encounter
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; the copy in funcimport_resolved1.ll with a lower threshold by reaching it
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; from the deeper call chain via foo(), and it won't be selected for importing.
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; Later we encounter it with a higher threshold via the direct call from main()
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; and it will be selected. We don't want to select both the copy from
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; funcimport_resolved1.ll and the smaller one from funcimport_resolved2.ll,
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; leaving it up to the backend to figure out which one to actually import.
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; The linkonce_odr may have different instruction counts in practice due to
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; different inlines in the compile step.
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; Require asserts so we can use -debug-only
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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_resolved1.ll -o %t2.bc
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; RUN: opt -module-summary %p/Inputs/funcimport_resolved2.ll -o %t3.bc
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; First do a sanity check that all callees are imported with the default
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; instruction limit
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; RUN: llvm-lto2 run %t.bc %t2.bc %t3.bc -o %t4 -r=%t.bc,_main,pl -r=%t.bc,_linkonceodrfunc,l -r=%t.bc,_foo,l -r=%t2.bc,_foo,pl -r=%t2.bc,_linkonceodrfunc,pl -r=%t2.bc,_linkonceodrfunc2,pl -r=%t3.bc,_linkonceodrfunc,l -thinlto-threads=1 -debug-only=function-import 2>&1 | FileCheck %s --check-prefix=INSTLIMDEFAULT
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; INSTLIMDEFAULT-DAG: Is importing function {{.*}}
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; INSTLIMDEFAULT-DAG: Is importing function {{.*}}
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; INSTLIMDEFAULT-DAG: Is importing function {{.*}}
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; INSTLIMDEFAULT-DAG: Is importing function {{.*}}
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; Now run with the lower threshold that will only allow linkonceodrfunc to be
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; imported from funcimport_resolved1.ll the second time it is encountered.
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; RUN: llvm-lto2 run %t.bc %t2.bc %t3.bc -o %t4 -r=%t.bc,_main,pl -r=%t.bc,_linkonceodrfunc,l -r=%t.bc,_foo,l -r=%t2.bc,_foo,pl -r=%t2.bc,_linkonceodrfunc,pl -r=%t2.bc,_linkonceodrfunc2,pl -r=%t3.bc,_linkonceodrfunc,l -thinlto-threads=1 -debug-only=function-import -import-instr-limit=8 2>&1 | FileCheck %s --check-prefix=INSTLIM8
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; INSTLIM8-DAG: Is importing function {{.*}}
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; INSTLIM8-DAG: Is importing function {{.*}}
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; INSTLIM8-DAG: Not importing function {{.*}}
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; INSTLIM8-DAG: Is importing function {{.*}}
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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define i32 @main() #0 {
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entry:
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call void (...) @foo()
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call void (...) @linkonceodrfunc()
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ret i32 0
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}
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declare void @foo(...) #1
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declare void @linkonceodrfunc(...) #1
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