[LoopIdiom] Add non-LZCNT target test coverage

diff --git a/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-zero.ll b/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-zero.ll
index d32fd50..5c2a7bc 100644 (file)
--- a/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-zero.ll
+++ b/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-zero.ll
@@ -1,4 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -loop-idiom -mtriple=x86_64 -mcpu=corei7 < %s -S | FileCheck %s
 ; RUN: opt -loop-idiom -mtriple=x86_64 -mcpu=core-avx2 < %s -S | FileCheck %s
 
 declare void @escape_inner(i8, i8, i8, i1, i8)