[PATCH] D24909: fix for not copying fp denormal and trapping options.

[Sjoerd Meijer via cfe-commits]

SjoerdMeijer created this revision.
SjoerdMeijer added reviewers: rengolin, jmolloy, olista01.
SjoerdMeijer added a subscriber: cfe-commits.

This is a fix for not copying fp denormal and trapping options, and depends on the nfc cleanups in D24906 and D24907.

https://reviews.llvm.org/D24909

Files:
  lib/CodeGen/BackendUtil.cpp

Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -537,6 +537,13 @@
       .Case("posix", llvm::ThreadModel::POSIX)
       .Case("single", llvm::ThreadModel::Single);
 
+  Options.FPDenormalMode =
+    llvm::StringSwitch<llvm::FPDenormal::DenormalMode>(CodeGenOpts.FPDenormalMode)
+      .Case("ieee", llvm::FPDenormal::IEEE)
+      .Case("preserve-sign", llvm::FPDenormal::PreserveSign)
+      .Case("positive-zero", llvm::FPDenormal::PositiveZero)
+      .Default(llvm::FPDenormal::IEEE);
+
   // Set float ABI type.
   assert((CodeGenOpts.FloatABI == "soft" || CodeGenOpts.FloatABI == "softfp" ||
           CodeGenOpts.FloatABI == "hard" || CodeGenOpts.FloatABI.empty()) &&
@@ -579,6 +586,7 @@
   Options.LessPreciseFPMADOption = CodeGenOpts.LessPreciseFPMAD;
   Options.NoInfsFPMath = CodeGenOpts.NoInfsFPMath;
   Options.NoNaNsFPMath = CodeGenOpts.NoNaNsFPMath;
+  Options.NoTrappingFPMath = CodeGenOpts.NoTrappingMath;
   Options.NoZerosInBSS = CodeGenOpts.NoZeroInitializedInBSS;
   Options.UnsafeFPMath = CodeGenOpts.UnsafeFPMath;
   Options.StackAlignmentOverride = CodeGenOpts.StackAlignment;


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