1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrFormats.td b/llvm/lib/Target/AMDGPU/SIInstrFormats.td
index 1b66d163714f..ab536f8f49d5 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrFormats.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrFormats.td
@@ -161,6 +161,9 @@ class InstSI <dag outs, dag ins, string asm = "",
   // ds_gws_* instructions.
   field bit GWS = 0;
 
+  // This bit indicates that this is one of SWMMAC instructions.
+  field bit IsSWMMAC = 0;
+
   // These need to be kept in sync with the enum in SIInstrFlags.
   let TSFlags{0} = SALU;
   let TSFlags{1} = VALU;
@@ -248,6 +251,8 @@ class InstSI <dag outs, dag ins, string asm = "",
   
   let TSFlags{62} = GWS;
 
+  let TSFlags{63} = IsSWMMAC;
+
   let SchedRW = [Write32Bit];
 
   let AsmVariantName = AMDGPUAsmVariants.Default;