[WebAssembly] __builtin_wasm_extract_lane_* builtins
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits
Differential Revision: https://reviews.llvm.org/D52852
llvm-svn: 343834
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index b59fa37..a52efd2 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -12444,6 +12444,36 @@
Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_atomic_notify);
return Builder.CreateCall(Callee, {Addr, Count});
}
+ case WebAssembly::BI__builtin_wasm_extract_lane_s_i8x16:
+ case WebAssembly::BI__builtin_wasm_extract_lane_u_i8x16:
+ case WebAssembly::BI__builtin_wasm_extract_lane_s_i16x8:
+ case WebAssembly::BI__builtin_wasm_extract_lane_u_i16x8:
+ case WebAssembly::BI__builtin_wasm_extract_lane_i32x4:
+ case WebAssembly::BI__builtin_wasm_extract_lane_i64x2:
+ case WebAssembly::BI__builtin_wasm_extract_lane_f32x4:
+ case WebAssembly::BI__builtin_wasm_extract_lane_f64x2: {
+ llvm::APSInt LaneConst;
+ if (!E->getArg(1)->isIntegerConstantExpr(LaneConst, getContext()))
+ llvm_unreachable("Constant arg isn't actually constant?");
+ Value *Vec = EmitScalarExpr(E->getArg(0));
+ Value *Lane = llvm::ConstantInt::get(getLLVMContext(), LaneConst);
+ Value *Extract = Builder.CreateExtractElement(Vec, Lane);
+ switch (BuiltinID) {
+ case WebAssembly::BI__builtin_wasm_extract_lane_s_i8x16:
+ case WebAssembly::BI__builtin_wasm_extract_lane_s_i16x8:
+ return Builder.CreateSExt(Extract, ConvertType(E->getType()));
+ case WebAssembly::BI__builtin_wasm_extract_lane_u_i8x16:
+ case WebAssembly::BI__builtin_wasm_extract_lane_u_i16x8:
+ return Builder.CreateZExt(Extract, ConvertType(E->getType()));
+ case WebAssembly::BI__builtin_wasm_extract_lane_i32x4:
+ case WebAssembly::BI__builtin_wasm_extract_lane_i64x2:
+ case WebAssembly::BI__builtin_wasm_extract_lane_f32x4:
+ case WebAssembly::BI__builtin_wasm_extract_lane_f64x2:
+ return Extract;
+ default:
+ llvm_unreachable("unexpected builtin ID");
+ }
+ }
default:
return nullptr;