Files
archived-llvm/test/Bitcode/thinlto-function-summary.ll
Mehdi Amini eb79e6e85d ThinLTO: Make aliases explicit in the summary
To be able to work accurately on the reference graph when taking
decision about internalizing, promoting, renaming, etc. We need
to have the alias information explicit.

Differential Revision: http://reviews.llvm.org/D18836

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266517 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-16 06:56:44 +00:00

58 lines
1.8 KiB
LLVM

; RUN: opt -name-anon-functions -module-summary < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
; Check for summary block/records.
; Check the value ids in the summary entries against the
; same in the ValueSumbolTable, to ensure the ordering is stable.
; Also check the linkage field on the summary entries.
; BC: <GLOBALVAL_SUMMARY_BLOCK
; BC-NEXT: <PERMODULE {{.*}} op0=1 op1=0
; BC-NEXT: <PERMODULE {{.*}} op0=2 op1=0
; BC-NEXT: <PERMODULE {{.*}} op0=3 op1=3
; BC-NEXT: <ALIAS {{.*}} op0=4 op1=0 op2=3
; BC-NEXT: </GLOBALVAL_SUMMARY_BLOCK
; BC-NEXT: <VALUE_SYMTAB
; BC-NEXT: <FNENTRY {{.*}} op0=3 {{.*}}> record string = 'anon.
; BC-NEXT: <FNENTRY {{.*}} op0=1 {{.*}}> record string = 'foo'
; BC-NEXT: <FNENTRY {{.*}} op0=2 {{.*}}> record string = 'bar'
; BC-NEXT: <FNENTRY {{.*}} op0=4 {{.*}}> record string = 'f'
; RUN: opt -name-anon-functions -module-summary < %s | llvm-dis | FileCheck %s
; Check that this round-trips correctly.
; ModuleID = '<stdin>'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: define i32 @foo()
; Function Attrs: nounwind uwtable
define i32 @foo() #0 {
entry:
ret i32 1
}
; CHECK: define i32 @bar(i32 %x)
; Function Attrs: nounwind uwtable
define i32 @bar(i32 %x) #0 {
entry:
ret i32 %x
}
; FIXME: Anonymous function and alias not currently in summary until
; follow on fixes to rename anonymous functions and emit alias summary
; entries are committed.
; Check an anonymous function as well, since in that case only the alias
; ends up in the value symbol table and having a summary.
@f = alias void (), void ()* @0 ; <void ()*> [#uses=0]
@h = external global void ()* ; <void ()*> [#uses=0]
define internal void @0() nounwind {
entry:
store void()* @0, void()** @h
br label %return
return: ; preds = %entry
ret void
}