1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s 2 ; Optimize fneg to togglebit in V5. 3 4 define float @foo(float %x) nounwind { 5 entry: 6 ; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}}, #31) 7 %x.addr = alloca float, align 4 8 store float %x, float* %x.addr, align 4 9 %0 = load float* %x.addr, align 4 10 %sub = fsub float -0.000000e+00, %0 11 ret float %sub 12 } 13 14 define float @bar(float %x) nounwind { 15 entry: 16 ; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}}, #31) 17 %sub = fsub float -0.000000e+00, %x 18 ret float %sub 19 } 20 21 define float @baz(float %x) nounwind { 22 entry: 23 ; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}}, #31) 24 %conv1 = fmul float %x, -1.000000e+00 25 ret float %conv1 26 } 27
