1; RUN: opt < %s -reassociate -S | FileCheck %s 2 3define double @func(double %a, double %b) { 4; CHECK-LABEL: @func( 5; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double %b, %a 6; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] 7; CHECK-NEXT: ret double [[TMP2]] 8; 9 %mul1 = fmul fast double %a, %a 10 %mul2 = fmul fast double %b, %b 11 %mul3 = fmul fast double %mul1, %mul2 12 ret double %mul3 13} 14