commit 07ce6df879ecde4b7fe991c71ea83c4012aa92dd
author Thomas Lively <tlively@google.com> Thu Oct 11 00:07:55 2018 +0000
committer Thomas Lively <tlively@google.com> Thu Oct 11 00:07:55 2018 +0000
tree 090873bceb942d5512848dae6f33fb694cf62304
parent 2ebacb107bfebc7b60b238edea538570ad44cef9

[WebAssembly] Saturating float-to-int builtins

Summary: Depends on D53007 and D53004.

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits

Differential Revision: https://reviews.llvm.org/D53009

llvm-svn: 344205

clang/lib/CodeGen/CGBuiltin.cpp

diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 18b300b..70c50d3 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -12456,6 +12456,30 @@
     Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_atomic_notify);
     return Builder.CreateCall(Callee, {Addr, Count});
   }
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i32_f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i32_f64:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i64_f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i64_f64:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_v4i32_v4f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_s_v2i64_v2f64: {
+    Value *Src = EmitScalarExpr(E->getArg(0));
+    llvm::Type *ResT = ConvertType(E->getType());
+    Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_trunc_saturate_signed,
+                                     {ResT, Src->getType()});
+    return Builder.CreateCall(Callee, {Src});
+  }
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i32_f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i32_f64:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i64_f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i64_f64:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_v4i32_v4f32:
+  case WebAssembly::BI__builtin_wasm_trunc_saturate_u_v2i64_v2f64: {
+    Value *Src = EmitScalarExpr(E->getArg(0));
+    llvm::Type *ResT = ConvertType(E->getType());
+    Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_trunc_saturate_unsigned,
+                                     {ResT, Src->getType()});
+    return Builder.CreateCall(Callee, {Src});
+  }
   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: