diff --git a/mlir/lib/Conversion/MathToSPIRV/MathToSPIRV.cpp b/mlir/lib/Conversion/MathToSPIRV/MathToSPIRV.cpp
--- a/mlir/lib/Conversion/MathToSPIRV/MathToSPIRV.cpp
+++ b/mlir/lib/Conversion/MathToSPIRV/MathToSPIRV.cpp
@@ -430,6 +430,7 @@
   // OpenCL patterns
   patterns.add<Log1pOpPattern<spirv::CLLogOp>, ExpM1OpPattern<spirv::CLExpOp>,
                CheckedElementwiseOpPattern<math::AbsFOp, spirv::CLFAbsOp>,
+               CheckedElementwiseOpPattern<math::AbsIOp, spirv::CLSAbsOp>,
                CheckedElementwiseOpPattern<math::CeilOp, spirv::CLCeilOp>,
                CheckedElementwiseOpPattern<math::CosOp, spirv::CLCosOp>,
                CheckedElementwiseOpPattern<math::ErfOp, spirv::CLErfOp>,
diff --git a/mlir/test/Conversion/MathToSPIRV/math-to-opencl-spirv.mlir b/mlir/test/Conversion/MathToSPIRV/math-to-opencl-spirv.mlir
--- a/mlir/test/Conversion/MathToSPIRV/math-to-opencl-spirv.mlir
+++ b/mlir/test/Conversion/MathToSPIRV/math-to-opencl-spirv.mlir
@@ -99,6 +99,13 @@
   return
 }
 
+// CHECK-LABEL: @int_unary
+func.func @int_unary(%arg0: i32) {
+  // CHECK: spirv.CL.s_abs %{{.*}}
+  %0 = math.absi %arg0 : i32
+  return
+}
+
 } // end module
 
 // -----