|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s | 
|  |  | 
|  |  | 
|  | define i64 @t1(i64 %a) nounwind readnone { | 
|  | ; CHECK-LABEL: t1: | 
|  | ; CHECK:       # %bb.0: # %entry | 
|  | ; CHECK-NEXT:    leaq (%rdi,%rdi,8), %rax | 
|  | ; CHECK-NEXT:    leaq (%rax,%rax,8), %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %0 = mul i64 %a, 81 | 
|  | ret i64 %0 | 
|  | } | 
|  |  | 
|  | define i64 @t2(i64 %a) nounwind readnone { | 
|  | ; CHECK-LABEL: t2: | 
|  | ; CHECK:       # %bb.0: # %entry | 
|  | ; CHECK-NEXT:    shlq $3, %rdi | 
|  | ; CHECK-NEXT:    leaq (%rdi,%rdi,4), %rax | 
|  | ; CHECK-NEXT:    retq | 
|  | entry: | 
|  | %0 = mul i64 %a, 40 | 
|  | ret i64 %0 | 
|  | } | 
|  |  |