llvm-mirror/test/ThinLTO/X86/funcimport2.ll
Teresa Johnson 440d83db71 [ThinLTO] Disable importing and other cross-module optis at -O0
Summary:
There is no point to importing at -O0, since we won't inline. We should
also disable other cross-module optimizations.

(Plan to backport this fix to the 3.9 branch to fix PR30774)

Reviewers: pcc

Subscribers: johanengelen, mehdi_amini

Differential Revision: https://reviews.llvm.org/D25918

llvm-svn: 285648
2016-10-31 22:12:21 +00:00

29 lines
919 B
LLVM

; Do setup work for all below tests: generate bitcode and combined index
; RUN: opt -module-summary %s -o %t1.bc
; RUN: opt -module-summary %p/Inputs/funcimport2.ll -o %t2.bc
; RUN: llvm-lto2 %t1.bc %t2.bc -o %t.o -save-temps \
; RUN: -r=%t1.bc,_foo,plx \
; RUN: -r=%t2.bc,_main,plx \
; RUN: -r=%t2.bc,_foo,l
; RUN: llvm-dis %t.o.1.3.import.bc -o - | FileCheck %s
; CHECK: define available_externally void @foo()
; We shouldn't do any importing at -O0
; rm -f %t.o.1.3.import.bc
; RUN: llvm-lto2 %t1.bc %t2.bc -o %t.o -save-temps \
; RUN: -O0 \
; RUN: -r=%t1.bc,_foo,plx \
; RUN: -r=%t2.bc,_main,plx \
; RUN: -r=%t2.bc,_foo,l
; RUN: llvm-dis %t.o.1.3.import.bc -o - | FileCheck %s --check-prefix=CHECKO0
; CHECKO0: declare void @foo(...)
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
define void @foo() #0 {
entry:
ret void
}