1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le < %s | FileCheck %s
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)
8 define double @neg_ext_op1_extra_use(float %x, double %y) nounwind {
9 ; CHECK-LABEL: neg_ext_op1_extra_use:
11 ; CHECK-NEXT: xsadddp 0, 2, 1
12 ; CHECK-NEXT: fneg 1, 1
13 ; CHECK-NEXT: xsdivdp 1, 1, 0
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