forked from OSchip/llvm-project
78 lines
3.1 KiB
LLVM
78 lines
3.1 KiB
LLVM
; Do setup work for all below tests: generate bitcode and combined index
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; RUN: llvm-as -function-summary %s -o %t.bc
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; RUN: llvm-as -function-summary %p/Inputs/funcimport.ll -o %t2.bc
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; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
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; Do the import now
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; RUN: opt -function-import -summary-file %t3.thinlto.bc %s -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIMDEF
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; Test import with smaller instruction limit
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; RUN: opt -function-import -summary-file %t3.thinlto.bc %s -import-instr-limit=5 -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIM5
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; INSTLIM5-NOT: @staticfunc.llvm.2
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define i32 @main() #0 {
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entry:
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call void (...) @weakalias()
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call void (...) @analias()
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call void (...) @linkoncealias()
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%call = call i32 (...) @referencestatics()
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%call1 = call i32 (...) @referenceglobals()
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%call2 = call i32 (...) @referencecommon()
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call void (...) @setfuncptr()
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call void (...) @callfuncptr()
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call void (...) @weakfunc()
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ret i32 0
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}
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; Won't import weak alias
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; CHECK-DAG: declare void @weakalias
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declare void @weakalias(...) #1
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; Cannot create an alias to available_externally
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; CHECK-DAG: declare void @analias
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declare void @analias(...) #1
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; Aliases import the aliasee function
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declare void @linkoncealias(...) #1
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; CHECK-DAG: define linkonce_odr void @linkoncefunc()
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; CHECK-DAG: @linkoncealias = alias void (...), bitcast (void ()* @linkoncefunc to void (...)*
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; INSTLIMDEF-DAG: define available_externally i32 @referencestatics(i32 %i)
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; INSTLIM5-DAG: declare i32 @referencestatics(...)
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declare i32 @referencestatics(...) #1
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; The import of referencestatics will expose call to staticfunc that
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; should in turn be imported as a promoted/renamed and hidden function.
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; Ensure that the call is to the properly-renamed function.
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; INSTLIMDEF-DAG: %call = call i32 @staticfunc.llvm.2()
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; INSTLIMDEF-DAG: define available_externally hidden i32 @staticfunc.llvm.2()
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; CHECK-DAG: define available_externally i32 @referenceglobals(i32 %i)
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declare i32 @referenceglobals(...) #1
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; The import of referenceglobals will expose call to globalfunc1 that
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; should in turn be imported.
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; CHECK-DAG: define available_externally void @globalfunc1()
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; CHECK-DAG: define available_externally i32 @referencecommon(i32 %i)
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declare i32 @referencecommon(...) #1
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; CHECK-DAG: define available_externally void @setfuncptr()
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declare void @setfuncptr(...) #1
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; CHECK-DAG: define available_externally void @callfuncptr()
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declare void @callfuncptr(...) #1
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; Ensure that all uses of local variable @P which has used in setfuncptr
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; and callfuncptr are to the same promoted/renamed global.
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; CHECK-DAG: @P.llvm.2 = available_externally hidden global void ()* null
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; CHECK-DAG: %0 = load void ()*, void ()** @P.llvm.2,
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; CHECK-DAG: store void ()* @staticfunc2.llvm.2, void ()** @P.llvm.2,
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; Won't import weak func
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; CHECK-DAG: declare void @weakfunc(...)
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declare void @weakfunc(...) #1
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; INSTLIMDEF-DAG: define available_externally hidden void @funcwithpersonality.llvm.2() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; INSTLIM5-DAG: declare hidden void @funcwithpersonality.llvm.2()
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