Author: tlively Date: Thu Oct 4 17:58:56 2018 New Revision: 343836 URL: http://llvm.org/viewvc/llvm-project?rev=343836&view=rev Log: [WebAssembly] saturating arithmetic builtins
Summary: Depends on D52856. Reviewers: aheejin, dschuff Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits Differential Revision: https://reviews.llvm.org/D52858 Modified: cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def cfe/trunk/lib/CodeGen/CGBuiltin.cpp cfe/trunk/test/CodeGen/builtins-wasm.c Modified: cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def?rev=343836&r1=343835&r2=343836&view=diff ============================================================================== --- cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def (original) +++ cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def Thu Oct 4 17:58:56 2018 @@ -56,4 +56,14 @@ BUILTIN(__builtin_wasm_replace_lane_i64x BUILTIN(__builtin_wasm_replace_lane_f32x4, "V4fV4fIif", "nc") BUILTIN(__builtin_wasm_replace_lane_f64x2, "V2dV2dIid", "nc") +BUILTIN(__builtin_wasm_add_saturate_s_i8x16, "V16cV16cV16c", "nc") +BUILTIN(__builtin_wasm_add_saturate_u_i8x16, "V16cV16cV16c", "nc") +BUILTIN(__builtin_wasm_add_saturate_s_i16x8, "V8sV8sV8s", "nc") +BUILTIN(__builtin_wasm_add_saturate_u_i16x8, "V8sV8sV8s", "nc") + +BUILTIN(__builtin_wasm_sub_saturate_s_i8x16, "V16cV16cV16c", "nc") +BUILTIN(__builtin_wasm_sub_saturate_u_i8x16, "V16cV16cV16c", "nc") +BUILTIN(__builtin_wasm_sub_saturate_s_i16x8, "V8sV8sV8s", "nc") +BUILTIN(__builtin_wasm_sub_saturate_u_i16x8, "V8sV8sV8s", "nc") + #undef BUILTIN Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=343836&r1=343835&r2=343836&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original) +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Thu Oct 4 17:58:56 2018 @@ -12502,6 +12502,40 @@ Value *CodeGenFunction::EmitWebAssemblyB llvm_unreachable("unexpected builtin ID"); } } + case WebAssembly::BI__builtin_wasm_add_saturate_s_i8x16: + case WebAssembly::BI__builtin_wasm_add_saturate_u_i8x16: + case WebAssembly::BI__builtin_wasm_add_saturate_s_i16x8: + case WebAssembly::BI__builtin_wasm_add_saturate_u_i16x8: + case WebAssembly::BI__builtin_wasm_sub_saturate_s_i8x16: + case WebAssembly::BI__builtin_wasm_sub_saturate_u_i8x16: + case WebAssembly::BI__builtin_wasm_sub_saturate_s_i16x8: + case WebAssembly::BI__builtin_wasm_sub_saturate_u_i16x8: { + unsigned IntNo; + switch (BuiltinID) { + case WebAssembly::BI__builtin_wasm_add_saturate_s_i8x16: + case WebAssembly::BI__builtin_wasm_add_saturate_s_i16x8: + IntNo = Intrinsic::wasm_add_saturate_signed; + break; + case WebAssembly::BI__builtin_wasm_add_saturate_u_i8x16: + case WebAssembly::BI__builtin_wasm_add_saturate_u_i16x8: + IntNo = Intrinsic::wasm_add_saturate_unsigned; + break; + case WebAssembly::BI__builtin_wasm_sub_saturate_s_i8x16: + case WebAssembly::BI__builtin_wasm_sub_saturate_s_i16x8: + IntNo = Intrinsic::wasm_sub_saturate_signed; + break; + case WebAssembly::BI__builtin_wasm_sub_saturate_u_i8x16: + case WebAssembly::BI__builtin_wasm_sub_saturate_u_i16x8: + IntNo = Intrinsic::wasm_sub_saturate_unsigned; + break; + default: + llvm_unreachable("unexpected builtin ID"); + } + Value *LHS = EmitScalarExpr(E->getArg(0)); + Value *RHS = EmitScalarExpr(E->getArg(1)); + Value *Callee = CGM.getIntrinsic(IntNo, ConvertType(E->getType())); + return Builder.CreateCall(Callee, {LHS, RHS}); + } default: return nullptr; Modified: cfe/trunk/test/CodeGen/builtins-wasm.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-wasm.c?rev=343836&r1=343835&r2=343836&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/builtins-wasm.c (original) +++ cfe/trunk/test/CodeGen/builtins-wasm.c Thu Oct 4 17:58:56 2018 @@ -172,3 +172,59 @@ f64x2 f24(f64x2 v, double x) { // WEBASSEMBLY: insertelement <2 x double> %v, double %x, i32 1 // WEBASSEMBLY-NEXT: ret } + +i8x16 f25(i8x16 x, i8x16 y) { + return __builtin_wasm_add_saturate_s_i8x16(x, y); + // WEBASSEMBLY: call <16 x i8> @llvm.wasm.add.saturate.signed.v16i8( + // WEBASSEMBLY-SAME: <16 x i8> %x, <16 x i8> %y) + // WEBASSEMBLY-NEXT: ret +} + +i8x16 f26(i8x16 x, i8x16 y) { + return __builtin_wasm_add_saturate_u_i8x16(x, y); + // WEBASSEMBLY: call <16 x i8> @llvm.wasm.add.saturate.unsigned.v16i8( + // WEBASSEMBLY-SAME: <16 x i8> %x, <16 x i8> %y) + // WEBASSEMBLY-NEXT: ret +} + +i16x8 f27(i16x8 x, i16x8 y) { + return __builtin_wasm_add_saturate_s_i16x8(x, y); + // WEBASSEMBLY: call <8 x i16> @llvm.wasm.add.saturate.signed.v8i16( + // WEBASSEMBLY-SAME: <8 x i16> %x, <8 x i16> %y) + // WEBASSEMBLY-NEXT: ret +} + +i16x8 f28(i16x8 x, i16x8 y) { + return __builtin_wasm_add_saturate_u_i16x8(x, y); + // WEBASSEMBLY: call <8 x i16> @llvm.wasm.add.saturate.unsigned.v8i16( + // WEBASSEMBLY-SAME: <8 x i16> %x, <8 x i16> %y) + // WEBASSEMBLY-NEXT: ret +} + +i8x16 f29(i8x16 x, i8x16 y) { + return __builtin_wasm_sub_saturate_s_i8x16(x, y); + // WEBASSEMBLY: call <16 x i8> @llvm.wasm.sub.saturate.signed.v16i8( + // WEBASSEMBLY-SAME: <16 x i8> %x, <16 x i8> %y) + // WEBASSEMBLY-NEXT: ret +} + +i8x16 f30(i8x16 x, i8x16 y) { + return __builtin_wasm_sub_saturate_u_i8x16(x, y); + // WEBASSEMBLY: call <16 x i8> @llvm.wasm.sub.saturate.unsigned.v16i8( + // WEBASSEMBLY-SAME: <16 x i8> %x, <16 x i8> %y) + // WEBASSEMBLY-NEXT: ret +} + +i16x8 f31(i16x8 x, i16x8 y) { + return __builtin_wasm_sub_saturate_s_i16x8(x, y); + // WEBASSEMBLY: call <8 x i16> @llvm.wasm.sub.saturate.signed.v8i16( + // WEBASSEMBLY-SAME: <8 x i16> %x, <8 x i16> %y) + // WEBASSEMBLY-NEXT: ret +} + +i16x8 f32(i16x8 x, i16x8 y) { + return __builtin_wasm_sub_saturate_u_i16x8(x, y); + // WEBASSEMBLY: call <8 x i16> @llvm.wasm.sub.saturate.unsigned.v8i16( + // WEBASSEMBLY-SAME: <8 x i16> %x, <8 x i16> %y) + // WEBASSEMBLY-NEXT: ret +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
