Author: Adrian Kuegel Date: 2020-12-11T13:18:57+01:00 New Revision: ada4c7a351710f05a02c84f5643de925aa4dedfc
URL: https://github.com/llvm/llvm-project/commit/ada4c7a351710f05a02c84f5643de925aa4dedfc DIFF: https://github.com/llvm/llvm-project/commit/ada4c7a351710f05a02c84f5643de925aa4dedfc.diff LOG: Add rsqrt lowering from standard to ROCDL. Add a lowering for rsqrt from standard dialect to ROCDL. Differential Revision: https://reviews.llvm.org/D93011 Added: Modified: mlir/lib/Conversion/GPUToROCDL/LowerGpuOpsToROCDLOps.cpp mlir/test/Conversion/GPUToROCDL/gpu-to-rocdl.mlir Removed: ################################################################################ diff --git a/mlir/lib/Conversion/GPUToROCDL/LowerGpuOpsToROCDLOps.cpp b/mlir/lib/Conversion/GPUToROCDL/LowerGpuOpsToROCDLOps.cpp index 4d81e2cc1f78..e8c8a1fc3eb9 100644 --- a/mlir/lib/Conversion/GPUToROCDL/LowerGpuOpsToROCDLOps.cpp +++ b/mlir/lib/Conversion/GPUToROCDL/LowerGpuOpsToROCDLOps.cpp @@ -113,6 +113,8 @@ void mlir::populateGpuToROCDLConversionPatterns( "__ocml_log10_f64"); patterns.insert<OpToFuncCallLowering<Log2Op>>(converter, "__ocml_log2_f32", "__ocml_log2_f64"); + patterns.insert<OpToFuncCallLowering<RsqrtOp>>(converter, "__ocml_rsqrt_f32", + "__ocml_rsqrt_f64"); patterns.insert<OpToFuncCallLowering<SinOp>>(converter, "__ocml_sin_f32", "__ocml_sin_f64"); patterns.insert<OpToFuncCallLowering<SqrtOp>>(converter, "__ocml_sqrt_f32", diff --git a/mlir/test/Conversion/GPUToROCDL/gpu-to-rocdl.mlir b/mlir/test/Conversion/GPUToROCDL/gpu-to-rocdl.mlir index 759d2f2d2d70..acc3826cacce 100644 --- a/mlir/test/Conversion/GPUToROCDL/gpu-to-rocdl.mlir +++ b/mlir/test/Conversion/GPUToROCDL/gpu-to-rocdl.mlir @@ -228,6 +228,26 @@ gpu.module @test_module { // ----- +gpu.module @test_module { + // CHECK: llvm.func @__ocml_rsqrt_f32(!llvm.float) -> !llvm.float + // CHECK: llvm.func @__ocml_rsqrt_f64(!llvm.double) -> !llvm.double + // CHECK-LABEL: func @gpu_rsqrt + func @gpu_rsqrt(%arg_f16 : f16, %arg_f32 : f32, %arg_f64 : f64) + -> (f16, f32, f64) { + %result16 = std.rsqrt %arg_f16 : f16 + // CHECK: llvm.fpext %{{.*}} : !llvm.half to !llvm.float + // CHECK-NEXT: llvm.call @__ocml_rsqrt_f32(%{{.*}}) : (!llvm.float) -> !llvm.float + // CHECK-NEXT: llvm.fptrunc %{{.*}} : !llvm.float to !llvm.half + %result32 = std.rsqrt %arg_f32 : f32 + // CHECK: llvm.call @__ocml_rsqrt_f32(%{{.*}}) : (!llvm.float) -> !llvm.float + %result64 = std.rsqrt %arg_f64 : f64 + // CHECK: llvm.call @__ocml_rsqrt_f64(%{{.*}}) : (!llvm.double) -> !llvm.double + std.return %result16, %result32, %result64 : f16, f32, f64 + } +} + +// ----- + gpu.module @test_module { // CHECK: llvm.func @__ocml_sqrt_f32(!llvm.float) -> !llvm.float // CHECK: llvm.func @__ocml_sqrt_f64(!llvm.double) -> !llvm.double _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits