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Add a test for r267655: Support "preserving" the summary information when using setModule() API in LTOCodeGenerator 

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 267656
This commit is contained in:
Mehdi Amini 2016-04-27 01:47:46 +00:00
parent e2a65fe5ec
commit 1f65039f06
1 changed files with 39 additions and 0 deletions
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39
llvm/test/LTO/X86/set-merged-thin.ll Normal file
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; RUN: opt -module-summary < %s > %t1
; RUN: llvm-lto -save-merged-module -exported-symbol=_main -set-merged-module -o %t2 %t1
; RUN: llvm-bcanalyzer -dump %t2.merged.bc | FileCheck %s
; Verify that the module includes the ThinLTO informations
; CHECK: GLOBALVAL_SUMMARY_BLOCK
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.10.0"
; CHECK: _main
; CHECK: movl $132
define i32 @_Z3fooi(i32 %a) {
entry:
%a.addr = alloca i32, align 4
store i32 %a, i32* %a.addr, align 4
%0 = load i32, i32* %a.addr, align 4
%1 = load i32, i32* %a.addr, align 4
%call = call i32 @_Z4bar2i(i32 %1)
%add = add nsw i32 %0, %call
ret i32 %add
}
define i32 @_Z4bar2i(i32 %a) {
entry:
%a.addr = alloca i32, align 4
store i32 %a, i32* %a.addr, align 4
%0 = load i32, i32* %a.addr, align 4
%mul = mul nsw i32 2, %0
ret i32 %mul
}
define i32 @main() {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval
%call = call i32 @_Z3fooi(i32 44)
ret i32 %call
}