[llvm] [X86][GlobalIsel] add strictfp attribute from ir into mir (PR #136702)

[Phoebe Wang via llvm-commits]

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@@ -630,6 +630,10 @@ uint32_t MachineInstr::copyFlagsFromInstruction(const Instruction &I) {
   if (I.getMetadata(LLVMContext::MD_unpredictable))
     MIFlags |= MachineInstr::MIFlag::Unpredictable;
 
+  if (const CallInst *CI = dyn_cast<CallInst>(&I)) {
+    MIFlags |=
+        CI->hasFnAttr(llvm::Attribute::StrictFP) ? MachineInstr::NoFPExcept : 0;
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phoebewang wrote:

`NoFPExcept` is to clear the flag, not to set it.

https://github.com/llvm/llvm-project/pull/136702