commit d29ae443aa4028ca9cc274cd1496f7d80f34a38a
author David Green <david.green@arm.com> Thu Jun 10 21:53:04 2021 +0100
committer Tom Stellard <tstellar@redhat.com> Fri Jun 25 20:20:29 2021 -0700
tree b2823153245617e554c860afe73174327ca6be34
parent f83afe6ae9613512bd8f30090d8c287292b55dcd

[ARM] Fix Changed status in MVEGatherScatterLoweringPass.

Now that we are calling SimplifyInstructionsInBlock, make sure we update
Changed when it reports alterations.

llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp

diff --git a/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp b/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
index 195622c..5682373 100644
--- a/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
+++ b/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
@@ -1166,7 +1166,7 @@
   bool Changed = false;
 
   for (BasicBlock &BB : F) {
-    SimplifyInstructionsInBlock(&BB);
+    Changed |= SimplifyInstructionsInBlock(&BB);
 
     for (Instruction &I : BB) {
       IntrinsicInst *II = dyn_cast<IntrinsicInst>(&I);