Reapply af57dbf12e54 "Add support for options -frounding-math, ftrapping-math, -ffp-model=, and -ffp-exception-behavior="
Patch was reverted because https://bugs.llvm.org/show_bug.cgi?id=44048
The original patch is modified to set the strictfp IR attribute
explicitly in CodeGen instead of as a side effect of IRBuilder.
In the 2nd attempt to reapply there was a windows lit test fail, the
tests were fixed to use wildcard matching.
Differential Revision: https://reviews.llvm.org/D62731
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index ca6b1d4..657c926 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -4336,6 +4336,13 @@
Callee.getAbstractInfo(), Attrs, CallingConv,
/*AttrOnCallSite=*/true);
+ if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(CurFuncDecl))
+ if (FD->usesFPIntrin())
+ // All calls within a strictfp function are marked strictfp
+ Attrs =
+ Attrs.addAttribute(getLLVMContext(), llvm::AttributeList::FunctionIndex,
+ llvm::Attribute::StrictFP);
+
// Apply some call-site-specific attributes.
// TODO: work this into building the attribute set.
@@ -4385,6 +4392,13 @@
SmallVector<llvm::OperandBundleDef, 1> BundleList =
getBundlesForFunclet(CalleePtr);
+ if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(CurFuncDecl))
+ if (FD->usesFPIntrin())
+ // All calls within a strictfp function are marked strictfp
+ Attrs =
+ Attrs.addAttribute(getLLVMContext(), llvm::AttributeList::FunctionIndex,
+ llvm::Attribute::StrictFP);
+
// Emit the actual call/invoke instruction.
llvm::CallBase *CI;
if (!InvokeDest) {