Fix the comment in this test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82051 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/phi-merge-gep.ll b/test/Transforms/InstCombine/phi-merge-gep.ll
index 73c770e08c86f784b79645b2099b479d48c2b178..267174970941d5711b01b9b73b127b68ad1538e6 100644 (file)
--- a/test/Transforms/InstCombine/phi-merge-gep.ll
+++ b/test/Transforms/InstCombine/phi-merge-gep.ll
@@ -2,7 +2,8 @@
 ; RUN: grep {= getelementptr} %t | count 20
 ; RUN: grep {= phi} %t | count 13
 
-; Don't push the geps through these phis; they have multiple uses!
+; Don't push the geps through these phis, because they would require
+; two phis each, which burdens the loop with high register pressure.
 
 define void @foo(float* %Ar, float* %Ai, i64 %As, float* %Cr, float* %Ci, i64 %Cs, i64 %n) nounwind {
 entry: