From 1398a32e2857bab844a3b4c9f6d2cbf7770471b3 Mon Sep 17 00:00:00 2001 From: Peter Collingbourne Date: Fri, 16 Dec 2016 00:26:30 +0000 Subject: IPO: Introduce ThinLTOBitcodeWriter pass. This pass prepares a module containing type metadata for ThinLTO by splitting it into regular and thin LTO parts if possible, and writing both parts to a multi-module bitcode file. Modules that do not contain type metadata are written unmodified as a single module. All globals with type metadata are added to the regular LTO module, and the rest are added to the thin LTO module. Differential Revision: https://reviews.llvm.org/D27324 llvm-svn: 289899 --- llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll (limited to 'llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll') diff --git a/llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll b/llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll new file mode 100644 index 00000000000..e08e92328b5 --- /dev/null +++ b/llvm/test/Transforms/ThinLTOBitcodeWriter/split.ll @@ -0,0 +1,26 @@ +; RUN: opt -thinlto-bc -o %t %s +; RUN: llvm-modextract -b -n 0 -o %t0 %t +; RUN: llvm-modextract -b -n 1 -o %t1 %t +; RUN: not llvm-modextract -b -n 2 -o - %t 2>&1 | FileCheck --check-prefix=ERROR %s +; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=M0 %s +; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=M1 %s +; RUN: llvm-bcanalyzer -dump %t0 | FileCheck --check-prefix=BCA0 %s +; RUN: llvm-bcanalyzer -dump %t1 | FileCheck --check-prefix=BCA1 %s + +; ERROR: llvm-modextract: error: module index out of range; bitcode file contains 2 module(s) + +; BCA0: