diff --git a/llvm/test/CodeGen/PowerPC/loop-comment.ll b/llvm/test/CodeGen/PowerPC/loop-comment.ll
new file mode 100644
index 000000000000..b33d62bf96c6
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/loop-comment.ll
@@ -0,0 +1,21 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=powerpc64le-linux-gnu < %s | FileCheck %s -check-prefix=PPC64LE
+
+define void @test(i8* %ptr, i8 %cmp, i8 %val) {
+; PPC64LE-LABEL: test:
+; PPC64LE:       # %bb.0:
+; PPC64LE-NEXT:    rlwinm 4, 4, 0, 24, 31
+; PPC64LE-NEXT:  .LBB0_1: #
+; PPC64LE-NEXT:    lbarx 6, 0, 3
+; PPC64LE-NEXT:    cmpw 4, 6
+; PPC64LE-NEXT:    bne 0, .LBB0_3
+; PPC64LE-NEXT:  # %bb.2: #
+; PPC64LE-NEXT:    stbcx. 5, 0, 3
+; PPC64LE-NEXT:    beqlr 0
+; PPC64LE-NEXT:    b .LBB0_1
+; PPC64LE-NEXT:  .LBB0_3:
+; PPC64LE-NEXT:    stbcx. 6, 0, 3
+; PPC64LE-NEXT:    blr
+  %res = cmpxchg i8* %ptr, i8 %cmp, i8 %val monotonic monotonic
+  ret void
+}