1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le < %s | FileCheck %s 3 4 ; When fpext is free, we should look through it for optimizations 5 ; even if it has multiple uses and produce an 'fadd' here. 6 ; Y - (fpext(-X)) --> Y + fpext(X) 7 8 define double @neg_ext_op1_extra_use(float %x, double %y) nounwind { 9 ; CHECK-LABEL: neg_ext_op1_extra_use: 10 ; CHECK: # %bb.0: 11 ; CHECK-NEXT: xsadddp 0, 2, 1 12 ; CHECK-NEXT: fneg 1, 1 13 ; CHECK-NEXT: xsdivdp 1, 1, 0 14 ; CHECK-NEXT: blr 15 %t1 = fsub float -0.0, %x 16 %t2 = fpext float %t1 to double 17 %t3 = fsub double %y, %t2 18 %t4 = fdiv double %t2, %t3 19 ret double %t4 20 } 21 22
