[PATCH] D27189: Bitcode: Add a more comprehensive multi-module test now that we have both llvm-cat and llvm-modextract.

[Peter Collingbourne via Phabricator via llvm-commits]

pcc created this revision.
pcc added a reviewer: mehdi_amini.
pcc added a subscriber: llvm-commits.
pcc added dependencies: D26179: Bitcode: Introduce BitcodeWriter interface., D26778: Add llvm-modextract tool..

Depends on https://reviews.llvm.org/D26179

Depends on https://reviews.llvm.org/D26778


https://reviews.llvm.org/D27189

Files:
  llvm/test/Bitcode/multi-module.ll


Index: llvm/test/Bitcode/multi-module.ll
===================================================================
--- llvm/test/Bitcode/multi-module.ll
+++ llvm/test/Bitcode/multi-module.ll
@@ -2,10 +2,11 @@
 ; RUN: not llvm-dis -o - %t 2>&1 | FileCheck --check-prefix=ERROR %s
 ; ERROR: Expected a single module
 
-; FIXME: Introduce a tool for extracting modules from bitcode and use it here.
-; For now we can at least check that the bitcode contains multiple modules.
 ; RUN: llvm-bcanalyzer -dump %t | FileCheck --check-prefix=BCA %s
 
+; RUN: llvm-modextract -n 0 -o - %t | llvm-dis | FileCheck --check-prefix=IR1 %s
+; RUN: llvm-modextract -n 1 -o - %t | llvm-dis | FileCheck --check-prefix=IR2 %s
+
 ; RUN: llvm-as -o %t1 %s
 ; RUN: llvm-as -o %t2 %S/Inputs/multi-module.ll
 ; RUN: llvm-cat -o %t %t1 %t2
@@ -16,10 +17,18 @@
 ; RUN: not llvm-dis -o - %t 2>&1 | FileCheck --check-prefix=ERROR %s
 ; RUN: llvm-bcanalyzer -dump %t | FileCheck --check-prefix=BCA %s
 
+; RUN: llvm-modextract -n 0 -o - %t | llvm-dis | FileCheck --check-prefix=IR1 %s
+; RUN: llvm-modextract -n 1 -o - %t | llvm-dis | FileCheck --check-prefix=IR2 %s
+
 ; RUN: llvm-cat -b -o %t3 %t %t
 ; RUN: not llvm-dis -o - %t3 2>&1 | FileCheck --check-prefix=ERROR %s
 ; RUN: llvm-bcanalyzer -dump %t3 | FileCheck --check-prefix=BCA4 %s
 
+; RUN: llvm-modextract -n 0 -o - %t3 | llvm-dis | FileCheck --check-prefix=IR1 %s
+; RUN: llvm-modextract -n 1 -o - %t3 | llvm-dis | FileCheck --check-prefix=IR2 %s
+; RUN: llvm-modextract -n 2 -o - %t3 | llvm-dis | FileCheck --check-prefix=IR1 %s
+; RUN: llvm-modextract -n 3 -o - %t3 | llvm-dis | FileCheck --check-prefix=IR2 %s
+
 ; BCA: <IDENTIFICATION_BLOCK
 ; BCA: <MODULE_BLOCK
 ; BCA: <IDENTIFICATION_BLOCK
@@ -34,6 +43,9 @@
 ; BCA4: <IDENTIFICATION_BLOCK
 ; BCA4: <MODULE_BLOCK
 
+; IR1: define void @f1()
+; IR2: define void @f2()
+
 define void @f1() {
   ret void
 }


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