| ; RUN: opt < %s -reassociate -S | FileCheck %s | |
| define double @func(double %a, double %b) { | |
| ; CHECK-LABEL: @func( | |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double %b, %a | |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] | |
| ; CHECK-NEXT: ret double [[TMP2]] | |
| ; | |
| %mul1 = fmul fast double %a, %a | |
| %mul2 = fmul fast double %b, %b | |
| %mul3 = fmul fast double %mul1, %mul2 | |
| ret double %mul3 | |
| } |