Address review comments

Author: lukel97

llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-reduction-cost.ll

@@ -1,34 +1,25 @@
 ; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \
 ; RUN: -force-tail-folding-style=data-with-evl \
 ; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \
-; RUN: -mtriple=riscv64 -mattr=+v -S < %s 2>&1 | FileCheck %s \
-; RUN: --check-prefix=EVL
+; RUN: -mtriple=riscv64 -mattr=+v -S < %s 2>&1 | FileCheck %s
 
-; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \
-; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \
-; RUN: -mtriple=riscv64 -mattr=+v -S < %s 2>&1 | FileCheck %s \
-; RUN: --check-prefix=NO-EVL
-
-; EVL: Cost of 2 for VF vscale x 4: WIDEN-INTRINSIC vp<%{{.+}}> = call llvm.vp.merge(ir<true>, ir<%add>, ir<%rdx>, vp<%{{.+}}>)
-; EVL: LV: Found an estimated cost of 2 for VF vscale x 4 For instruction:   %rdx = phi i32 [ %start, %entry ], [ %add, %for.body ]
-
-; NO-EVL: Cost of 0 for VF vscale x 4: EMIT vp<%{{.+}}> = select vp<%active.lane.mask>, ir<%add>, ir<%rdx>
-; NO-EVL: LV: Found an estimated cost of 0 for VF vscale x 4 For instruction:   %rdx = phi i32 [ %start, %entry ], [ %add, %for.body ]
+; CHECK: Cost of 2 for VF vscale x 4: WIDEN-INTRINSIC vp<%{{.+}}> = call llvm.vp.merge(ir<true>, ir<%add>, ir<%rdx>, vp<%{{.+}}>)
+; CHECK: LV: Found an estimated cost of 2 for VF vscale x 4 For instruction:   %rdx = phi i32 [ %start, %entry ], [ %add, %loop ]
 
 define i32 @add(ptr %a, i64 %n, i32 %start) {
 entry:
-  br label %for.body
+  br label %loop
 
-for.body:
-  %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
-  %rdx = phi i32 [ %start, %entry ], [ %add, %for.body ]
+loop:
+  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
+  %rdx = phi i32 [ %start, %entry ], [ %add, %loop ]
   %arrayidx = getelementptr inbounds i32, ptr %a, i64 %iv
   %0 = load i32, ptr %arrayidx, align 4
   %add = add nsw i32 %0, %rdx
   %iv.next = add nuw nsw i64 %iv, 1
   %exitcond.not = icmp eq i64 %iv.next, %n
-  br i1 %exitcond.not, label %for.end, label %for.body
+  br i1 %exitcond.not, label %exit, label %loop
 
-for.end:
+exit:
   ret i32 %add
 }