3 files changed, 14 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h b/llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
index e3302217696..2f31cab4ce8 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
@@ -287,6 +287,11 @@ m_GFPTrunc(const SrcTy &Src) {
 }
 
 template <typename SrcTy>
+inline UnaryOp_match<SrcTy, TargetOpcode::G_FABS> m_GFabs(const SrcTy &Src) {
+  return UnaryOp_match<SrcTy, TargetOpcode::G_FABS>(Src);
+}
+
+template <typename SrcTy>
 inline UnaryOp_match<SrcTy, TargetOpcode::COPY> m_Copy(SrcTy &&Src) {
   return UnaryOp_match<SrcTy, TargetOpcode::COPY>(std::forward<SrcTy>(Src));
 }
diff --git a/llvm/include/llvm/CodeGen/TargetOpcodes.def b/llvm/include/llvm/CodeGen/TargetOpcodes.def
index d3e8483798a..30168077370 100644
--- a/llvm/include/llvm/CodeGen/TargetOpcodes.def
+++ b/llvm/include/llvm/CodeGen/TargetOpcodes.def
@@ -427,6 +427,9 @@ HANDLE_TARGET_OPCODE(G_SITOFP)
 /// Generic unsigned-int to float conversion
 HANDLE_TARGET_OPCODE(G_UITOFP)
 
+/// Generic FP absolute value.
+HANDLE_TARGET_OPCODE(G_FABS)
+
 /// Generic pointer offset
 HANDLE_TARGET_OPCODE(G_GEP)
 
diff --git a/llvm/include/llvm/Target/GenericOpcodes.td b/llvm/include/llvm/Target/GenericOpcodes.td
index 28c90bf2276..1af6a9ab9f2 100644
--- a/llvm/include/llvm/Target/GenericOpcodes.td
+++ b/llvm/include/llvm/Target/GenericOpcodes.td
@@ -378,6 +378,12 @@ def G_UITOFP : GenericInstruction {
   let hasSideEffects = 0;
 }
 
+def G_FABS : GenericInstruction {
+  let OutOperandList = (outs type0:$dst);
+  let InOperandList = (ins type0:$src);
+  let hasSideEffects = 0;
+}
+
 //------------------------------------------------------------------------------
 // Floating Point Binary ops.
 //------------------------------------------------------------------------------