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llvm-mirror/test/ThinLTO/X86/funcimport2.ll
Teresa Johnson a23a3c7bc1 [ThinLTO] Add option for printing import failure reasons
Summary:
Adds the option for the printing of summary information about functions
considered but rejected for importing during the thin link.

Reviewers: davidxl

Subscribers: mehdi_amini, inglorion, eraman, steven_wu, dexonsmith, llvm-commits

Differential Revision: https://reviews.llvm.org/D50881

llvm-svn: 340047
2018-08-17 16:53:47 +00:00

43 lines
1.7 KiB
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 run %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: -print-import-failures 2>&1 | FileCheck %s --check-prefix=NOFAILURES
; RUN: llvm-dis %t.o.2.3.import.bc -o - | FileCheck %s
; CHECK: define available_externally dso_local void @foo()
; Don't expect any failure messages from -print-import-failures
; NOFAILURES-NOT: Reason =
; We shouldn't do any importing with a 0 instruction limit, in which case
; -print-import-failures should print a TooLarge reason.
; RUN: llvm-lto2 run %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: -import-instr-limit=0 \
; RUN: -print-import-failures 2>&1 | FileCheck %s --check-prefix=FAILURES
; RUN: llvm-dis %t.o.2.3.import.bc -o - | FileCheck %s --check-prefix=NOIMPORT
; FAILURES: (foo): Reason = TooLarge, Threshold = 0, Size = 1, MaxHotness = unknown, Attempts = 1
; We shouldn't do any importing at -O0
; rm -f %t.o.1.3.import.bc
; RUN: llvm-lto2 run %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.2.3.import.bc -o - | FileCheck %s --check-prefix=NOIMPORT
; NOIMPORT: declare dso_local 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
}