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39cde37cb8
Summary: Adds the linkage type to both the per-module and combined function summaries, which subsumes the current islocal bit. This will eventually be used to optimized linkage types based on global summary-based analysis. Reviewers: joker.eph Subscribers: joker.eph, davidxl, llvm-commits Differential Revision: http://reviews.llvm.org/D16943 llvm-svn: 259993
53 lines
1.6 KiB
LLVM
53 lines
1.6 KiB
LLVM
; RUN: llvm-as -function-summary < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
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; Check for function summary block/records.
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; Check the value ids in the function summary entries against the
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; same in the ValueSumbolTable, to ensure the ordering is stable.
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; Also check the linkage field on the summary entries.
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; BC: <FUNCTION_SUMMARY_BLOCK
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; BC-NEXT: <PERMODULE_ENTRY {{.*}} op0=1 op1=0
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; BC-NEXT: <PERMODULE_ENTRY {{.*}} op0=2 op1=0
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; BC-NEXT: <PERMODULE_ENTRY {{.*}} op0=4 op1=3
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; BC-NEXT: </FUNCTION_SUMMARY_BLOCK
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; BC-NEXT: <VALUE_SYMTAB
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; BC-NEXT: <FNENTRY {{.*}} op0=1 {{.*}}> record string = 'foo'
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; BC-NEXT: <FNENTRY {{.*}} op0=2 {{.*}}> record string = 'bar'
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; BC-NEXT: <FNENTRY {{.*}} op0=4 {{.*}}> record string = 'f'
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; RUN: llvm-as -function-summary < %s | llvm-dis | FileCheck %s
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; Check that this round-trips correctly.
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; ModuleID = '<stdin>'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK: define i32 @foo()
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; Function Attrs: nounwind uwtable
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define i32 @foo() #0 {
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entry:
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ret i32 1
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}
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; CHECK: define i32 @bar(i32 %x)
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; Function Attrs: nounwind uwtable
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define i32 @bar(i32 %x) #0 {
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entry:
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ret i32 %x
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}
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; Check an anonymous function as well, since in that case only the alias
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; ends up in the value symbol table and having a summary.
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@f = alias void (), void ()* @0 ; <void ()*> [#uses=0]
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@h = external global void ()* ; <void ()*> [#uses=0]
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define internal void @0() nounwind {
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entry:
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store void()* @0, void()** @h
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br label %return
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return: ; preds = %entry
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ret void
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}
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