From f498bdcebfa439218e315be74a62ad52db3e2846 Mon Sep 17 00:00:00 2001
From: David Callahan <dcallahan@fb.com>
Date: Thu, 4 Apr 2019 23:30:47 +0000
Subject: [PATCH] Include invoke'd functions for recursive extract

Summary: When recursively extracting a function from a bit code file, include functions mentioned in InvokeInst as well as CallInst

Reviewers: loladiro, espindola, volkan

Reviewed By: loladiro

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60231

llvm-svn: 357735
---
 llvm/test/tools/llvm-extract/recursive.ll | 8 ++++++++
 llvm/tools/llvm-extract/llvm-extract.cpp  | 6 +++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/llvm/test/tools/llvm-extract/recursive.ll b/llvm/test/tools/llvm-extract/recursive.ll
index 54813db..7fa9ece 100644
--- a/llvm/test/tools/llvm-extract/recursive.ll
+++ b/llvm/test/tools/llvm-extract/recursive.ll
@@ -1,6 +1,7 @@
 ; RUN: llvm-extract -func=a --recursive %s -S | FileCheck --check-prefix=CHECK-AB %s
 ; RUN: llvm-extract -func=a --recursive --delete %s -S | FileCheck --check-prefix=CHECK-CD %s
 ; RUN: llvm-extract -func=d --recursive %s -S | FileCheck --check-prefix=CHECK-CD %s
+; RUN: llvm-extract -func=e --recursive %s -S | FileCheck --check-prefix=CHECK-CD %s
 
 ; CHECK-AB: define void @a
 ; CHECK-AB: define void @b
@@ -30,3 +31,10 @@ define void @d() {
   call void @c()
   ret void
 }
+
+define void @e() {
+  invoke void @c()
+  to label %L unwind label %L
+L:
+  ret void
+}
\ No newline at end of file
diff --git a/llvm/tools/llvm-extract/llvm-extract.cpp b/llvm/tools/llvm-extract/llvm-extract.cpp
index 30c89a8..6467472 100644
--- a/llvm/tools/llvm-extract/llvm-extract.cpp
+++ b/llvm/tools/llvm-extract/llvm-extract.cpp
@@ -270,10 +270,10 @@ int main(int argc, char **argv) {
       ExitOnErr(F->materialize());
       for (auto &BB : *F) {
         for (auto &I : BB) {
-          auto *CI = dyn_cast<CallInst>(&I);
-          if (!CI)
+          CallBase *CB = dyn_cast<CallBase>(&I);
+          if (!CB)
             continue;
-          Function *CF = CI->getCalledFunction();
+          Function *CF = CB->getCalledFunction();
           if (!CF)
             continue;
           if (CF->isDeclaration() || GVs.count(CF))
-- 
2.7.4