| Simon Pilgrim | 804cbd6 | 2017-07-27 10:36:09 +0000 | [diff] [blame^] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64 |
| 3 | ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86 |
| 4 | |
| 5 | define i32 @foo(i32 %a, i32 %b) local_unnamed_addr #0 { |
| 6 | ; X64-LABEL: foo: |
| 7 | ; X64: # BB#0: # %entry |
| 8 | ; X64-NEXT: # kill: %ESI<def> %ESI<kill> %RSI<def> |
| 9 | ; X64-NEXT: # kill: %EDI<def> %EDI<kill> %RDI<def> |
| 10 | ; X64-NEXT: leal 4(%rdi,%rsi,2), %ecx |
| 11 | ; X64-NEXT: leal 4(%rdi,%rsi,4), %eax |
| 12 | ; X64-NEXT: imull %ecx, %eax |
| 13 | ; X64-NEXT: retq |
| 14 | ; |
| 15 | ; X86-LABEL: foo: |
| 16 | ; X86: # BB#0: # %entry |
| 17 | ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| 18 | ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| 19 | ; X86-NEXT: leal 4(%ecx,%eax,2), %edx |
| 20 | ; X86-NEXT: leal 4(%ecx,%eax,4), %eax |
| 21 | ; X86-NEXT: imull %edx, %eax |
| 22 | ; X86-NEXT: retl |
| 23 | entry: |
| 24 | %mul = shl i32 %b, 1 |
| 25 | %add = add i32 %a, 4 |
| 26 | %add1 = add i32 %add, %mul |
| 27 | %mul2 = shl i32 %b, 2 |
| 28 | %add4 = add i32 %add, %mul2 |
| 29 | %mul5 = mul nsw i32 %add1, %add4 |
| 30 | ret i32 %mul5 |
| 31 | } |
| 32 | |