r343836 - [WebAssembly] saturating arithmetic builtins
Thomas Lively via cfe-commits
cfe-commits at lists.llvm.org
Thu Oct 4 17:58:56 PDT 2018
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
+}
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