Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/Hexagon/opt-fneg.ll

@@ -1,26 +0,0 @@
-; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s
-; Optimize fneg to togglebit in V5.
-
-define float @foo(float %x) nounwind {
-entry:
-; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}},#31)
-  %x.addr = alloca float, align 4
-  store float %x, float* %x.addr, align 4
-  %0 = load float, float* %x.addr, align 4
-  %sub = fsub float -0.000000e+00, %0
-  ret float %sub
-}
-
-define float @bar(float %x) nounwind {
-entry:
-; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}},#31)
-  %sub = fsub float -0.000000e+00, %x
-  ret float %sub
-}
-
-define float @baz(float %x) nounwind {
-entry:
-; CHECK: r{{[0-9]+}} = togglebit(r{{[0-9]+}},#31)
-  %conv1 = fmul float %x, -1.000000e+00
-  ret float %conv1
-}