IR: Move denormal mode parsing from MachineFunction to Function

This was just inspecting the IR to begin with, and is useful to check
in some places in the IR.

1 files changed, 1 insertions, 14 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index e4473fd..87c66c0 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -273,20 +273,7 @@ getOrCreateJumpTableInfo(unsigned EntryKind) {
 }
 
 DenormalMode MachineFunction::getDenormalMode(const fltSemantics &FPType) const {
-  if (&FPType == &APFloat::IEEEsingle()) {
-    Attribute Attr = F.getFnAttribute("denormal-fp-math-f32");
-    StringRef Val = Attr.getValueAsString();
-    if (!Val.empty())
-      return parseDenormalFPAttribute(Val);
-
-    // If the f32 variant of the attribute isn't specified, try to use the
-    // generic one.
-  }
-
-  // TODO: Should probably avoid the connection to the IR and store directly
-  // in the MachineFunction.
-  Attribute Attr = F.getFnAttribute("denormal-fp-math");
-  return parseDenormalFPAttribute(Attr.getValueAsString());
+  return F.getDenormalMode(FPType);
 }
 
 /// Should we be emitting segmented stack stuff for the function