Revert "Do the transform"

This reverts commit aef54025298b496d4f0b8766816700659b2f9015.
This optimization has been implemented in
9a844a3.

Author: weiguozhi

llvm/test/Transforms/InstCombine/extract-select-agg.ll

@@ -56,9 +56,14 @@ define void @test_select_agg_multiuse(i1 %cond, i64 %v1, i64 %v2, i64 %v3, i64 %
 ; CHECK-LABEL: define void @test_select_agg_multiuse(
 ; CHECK-SAME: i1 [[COND:%.*]], i64 [[V1:%.*]], i64 [[V2:%.*]], i64 [[V3:%.*]], i64 [[V4:%.*]]) {
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[X:%.*]] = select i1 [[COND]], i64 [[V1]], i64 [[V3]]
+; CHECK-NEXT:    [[A0:%.*]] = insertvalue { i64, i64 } poison, i64 [[V1]], 0
+; CHECK-NEXT:    [[A1:%.*]] = insertvalue { i64, i64 } [[A0]], i64 [[V2]], 1
+; CHECK-NEXT:    [[B0:%.*]] = insertvalue { i64, i64 } poison, i64 [[V3]], 0
+; CHECK-NEXT:    [[B1:%.*]] = insertvalue { i64, i64 } [[B0]], i64 [[V4]], 1
+; CHECK-NEXT:    [[SEL:%.*]] = select i1 [[COND]], { i64, i64 } [[A1]], { i64, i64 } [[B1]]
+; CHECK-NEXT:    [[X:%.*]] = extractvalue { i64, i64 } [[SEL]], 0
 ; CHECK-NEXT:    call void @use(i64 [[X]])
-; CHECK-NEXT:    [[Y:%.*]] = select i1 [[COND]], i64 [[V2]], i64 [[V4]]
+; CHECK-NEXT:    [[Y:%.*]] = extractvalue { i64, i64 } [[SEL]], 1
 ; CHECK-NEXT:    call void @use(i64 [[Y]])
 ; CHECK-NEXT:    ret void
 ;