Prep for merging 3.4: Undo changes from 3.3 branch

test/CodeGen/NVPTX/refl1.ll

-; RUN: llc < %s -march=nvptx -mcpu=sm_20 -drvcuda | FileCheck %s
-
-; Function Attrs: nounwind
-; CHECK: .entry foo
-define void @foo(float* nocapture %a) #0 {
-  %val = load float* %a
-  %tan = tail call fastcc float @__nv_fast_tanf(float %val)
-  store float %tan, float* %a
-  ret void
-}
-
-; Function Attrs: nounwind readnone
-declare float @llvm.nvvm.sin.approx.ftz.f(float) #1
-
-; Function Attrs: nounwind readnone
-declare float @llvm.nvvm.cos.approx.ftz.f(float) #1
-
-; Function Attrs: nounwind readnone
-declare float @llvm.nvvm.div.approx.ftz.f(float, float) #1
-
-; Function Attrs: alwaysinline inlinehint nounwind readnone
-; CHECK: .func (.param .b32 func_retval0) __nv_fast_tanf
-define internal fastcc float @__nv_fast_tanf(float %a) #2 {
-entry:
-  %0 = tail call float @llvm.nvvm.sin.approx.ftz.f(float %a)
-  %1 = tail call float @llvm.nvvm.cos.approx.ftz.f(float %a)
-  %2 = tail call float @llvm.nvvm.div.approx.ftz.f(float %0, float %1)
-  ret float %2
-}
-
-attributes #0 = { nounwind }
-attributes #1 = { nounwind readnone }
-attributes #2 = { alwaysinline inlinehint nounwind readnone }
-
-!nvvm.annotations = !{!0}
-
-!0 = metadata !{void (float*)* @foo, metadata !"kernel", i32 1}