simplify store+param with a return

Author: tgymnich

llvm/test/Transforms/LICM/licm-ci.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -passes=licm < %s | FileCheck %s
 
-define void @test(ptr %in, ptr %out) {
+define i16 @test(ptr %in) {
 ; CHECK-LABEL: @test(
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    br label [[LOOP:%.*]]
@@ -15,8 +15,7 @@ define void @test(ptr %in, ptr %out) {
 ; CHECK-NEXT:    [[GEP_LE:%.*]] = getelementptr <4 x i16>, ptr [[IN:%.*]], i32 [[I_LCSSA]]
 ; CHECK-NEXT:    [[LOAD_LE:%.*]] = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr [[GEP_LE]], i32 2, <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x i16> <i16 0, i16 poison, i16 0, i16 poison>), !alias.scope [[META0:![0-9]+]], !noalias [[META0]]
 ; CHECK-NEXT:    [[REDUCE_LE:%.*]] = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> [[LOAD_LE]])
-; CHECK-NEXT:    store i16 [[REDUCE_LE]], ptr [[OUT:%.*]], align 2
-; CHECK-NEXT:    ret void
+; CHECK-NEXT:    ret i16 [[REDUCE_LE]]
 ;
 entry:
   br label %loop
@@ -31,8 +30,7 @@ loop:                              ; preds = %loop, %entry
   br i1 %cmp, label %loop, label %exit
 
 exit:                               ; preds = %loop
-  store i16 %reduce, ptr %out
-  ret void
+  ret i16 %reduce
 }
 
 !0 = !{!0}