[WebAssembly] Support single-floating-point immediate value

As mentioned in TODO comment, casting double to float causes NaNs to change bits.
To avoid the change, this patch adds support for single-floating-point immediate value on MachineCode.

Patch by Yuta Saito.

Differential Revision: https://reviews.llvm.org/D77384

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp b/llvm/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
index 1b7cc09..f252256 100644
--- a/llvm/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
+++ b/llvm/lib/Target/WebAssembly/Disassembler/WebAssemblyDisassembler.cpp
@@ -114,7 +114,7 @@ bool parseImmediate(MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes) {
       Bytes.data() + Size);
   Size += sizeof(T);
   if (std::is_floating_point<T>::value) {
-    MI.addOperand(MCOperand::createFPImm(static_cast<double>(Val)));
+    MI.addOperand(MCOperand::createDFPImm(static_cast<double>(Val)));
   } else {
     MI.addOperand(MCOperand::createImm(static_cast<int64_t>(Val)));
   }