1 ; RUN: opt < %s -nary-reassociate -S | FileCheck %s 2 3 define i32 @foo(i32 %tmp4) { 4 ; CHECK-LABEL: @foo( 5 entry: 6 %tmp5 = add i32 %tmp4, 8 7 %tmp13 = add i32 %tmp4, -128 ; deleted 8 %tmp14 = add i32 %tmp13, 8 ; => %tmp5 + -128 9 %tmp21 = add i32 119, %tmp4 10 ; do not rewrite %tmp23 against %tmp13 because %tmp13 is already deleted 11 %tmp23 = add i32 %tmp21, -128 12 ; CHECK: %tmp23 = add i32 %tmp21, -128 13 ret i32 %tmp23 14 } 15