[asan] instrument invoke insns with noreturn attribute (as well as call insns)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175617 91177308-0d34-0410-b5e6-96231b3b80d8

Author: kcc

lib/Transforms/Instrumentation/AddressSanitizer.cpp

@@ -35,6 +35,7 @@
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Type.h"
 #include "llvm/InstVisitor.h"
+#include "llvm/Support/CallSite.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/Debug.h"
@@ -1130,12 +1131,12 @@ bool AddressSanitizer::runOnFunction(Function &F) {
       } else if (isa<MemIntrinsic>(BI) && ClMemIntrin) {
         // ok, take it.
       } else {
-        if (CallInst *CI = dyn_cast<CallInst>(BI)) {
+        CallSite CS(BI);
+        if (CS) {
           // A call inside BB.
           TempsToInstrument.clear();
-          if (CI->doesNotReturn()) {
-            NoReturnCalls.push_back(CI);
-          }
+          if (CS.doesNotReturn())
+            NoReturnCalls.push_back(CS.getInstruction());
         }
         continue;
       }

test/Instrumentation/AddressSanitizer/instrument-no-return.ll

@@ -1,6 +1,6 @@
 ; RUN: opt < %s -asan -S | FileCheck %s
 ; AddressSanitizer must insert __asan_handle_no_return
-; before every noreturn call.
+; before every noreturn call or invoke.
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-unknown-linux-gnu"
@@ -26,3 +26,24 @@ entry:
 ; CHECK-NEXT: unreachable
   unreachable
 }
+
+declare i32 @__gxx_personality_v0(...)
+
+define i64 @Invoke1(i8** %esc) nounwind uwtable ssp address_safety {
+entry:
+  invoke void @MyNoReturnFunc(i32 1)
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:
+  ret i64 0
+
+lpad:
+  %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+          filter [0 x i8*] zeroinitializer
+  ret i64 1
+}
+; CHECK: @Invoke1
+; CHECK:        call void @__asan_handle_no_return
+; CHECK-NEXT:   invoke void @MyNoReturnFunc
+; CHECK: ret i64 0
+; CHECK: ret i64 1