| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- | FileCheck %s |
| ; RUN: llc < %s -mtriple=i686-- -early-live-intervals -verify-machineinstrs | FileCheck %s |
| |
| define i32 @test(i32 %X, i32 %Y) { |
| ; Push the shl through the mul to allow an LEA to be formed, instead |
| ; of using a shift and add separately. |
| ; CHECK-LABEL: test: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; CHECK-NEXT: imull %eax, %ecx |
| ; CHECK-NEXT: leal (%eax,%ecx,2), %eax |
| ; CHECK-NEXT: retl |
| %tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1] |
| %tmp.3 = mul i32 %tmp.2, %Y ; <i32> [#uses=1] |
| %tmp.5 = add i32 %tmp.3, %Y ; <i32> [#uses=1] |
| ret i32 %tmp.5 |
| } |
| |
