From: Matthias Braun <matze@braunis.de>
Date: Fri, 21 Sep 2018 15:47:41 +0000 (+0000)
Subject: AArch64FastISel: Abort if we failed to select operand of intrinsic
X-Git-Tag: llvmorg-8.0.0-rc1~8240
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0ef786004d12f33f5199e46b3c8d2428db2e139;p=platform%2Fupstream%2Fllvm.git

AArch64FastISel: Abort if we failed to select operand of intrinsic

rdar://44642447

Differential Revision: https://reviews.llvm.org/D52335

llvm-svn: 342742
---

diff --git a/llvm/lib/Target/AArch64/AArch64FastISel.cpp b/llvm/lib/Target/AArch64/AArch64FastISel.cpp
index af82eda..e9e68ac 100644
--- a/llvm/lib/Target/AArch64/AArch64FastISel.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FastISel.cpp
@@ -3742,6 +3742,9 @@ bool AArch64FastISel::fastLowerIntrinsicCall(const IntrinsicInst *II) {
               TII.get(TargetOpcode::COPY), ResultReg1).addReg(MulReg);
     }
 
+    if (!ResultReg1)
+      return false;
+
     ResultReg2 = fastEmitInst_rri(AArch64::CSINCWr, &AArch64::GPR32RegClass,
                                   AArch64::WZR, /*IsKill=*/true, AArch64::WZR,
                                   /*IsKill=*/true, getInvertedCondCode(CC));