[llvm] 65eb113 - [WebAssembly] Update bleeding-edge CPU features

[Heejin Ahn via llvm-commits]

Author: Heejin Ahn
Date: 2020-01-24T14:27:35-08:00
New Revision: 65eb11306e921bb0299100dfc61e79858f903c1b

URL: https://github.com/llvm/llvm-project/commit/65eb11306e921bb0299100dfc61e79858f903c1b
DIFF: https://github.com/llvm/llvm-project/commit/65eb11306e921bb0299100dfc61e79858f903c1b.diff

LOG: [WebAssembly] Update bleeding-edge CPU features

Summary:
This adds bulk memory and tail call to "bleeding-edge" CPU, since their
implementation in LLVM/clang seems mostly complete.

Reviewers: tlively

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D73322

Added: 
    

Modified: 
    clang/lib/Basic/Targets/WebAssembly.cpp
    clang/test/Preprocessor/wasm-target-features.c
    llvm/lib/Target/WebAssembly/WebAssembly.td
    llvm/test/CodeGen/WebAssembly/target-features.ll

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/WebAssembly.cpp b/clang/lib/Basic/Targets/WebAssembly.cpp
index ca07697f6ac8..ef7936762152 100644
--- a/clang/lib/Basic/Targets/WebAssembly.cpp
+++ b/clang/lib/Basic/Targets/WebAssembly.cpp
@@ -105,8 +105,10 @@ bool WebAssemblyTargetInfo::initFeatureMap(
   if (CPU == "bleeding-edge") {
     Features["nontrapping-fptoint"] = true;
     Features["sign-ext"] = true;
+    Features["bulk-memory"] = true;
     Features["atomics"] = true;
     Features["mutable-globals"] = true;
+    Features["tail-call"] = true;
     setSIMDLevel(Features, SIMD128);
   }
   // Other targets do not consider user-configured features here, but while we

diff  --git a/clang/test/Preprocessor/wasm-target-features.c b/clang/test/Preprocessor/wasm-target-features.c
index 45f60e260456..05b4bb49d73b 100644
--- a/clang/test/Preprocessor/wasm-target-features.c
+++ b/clang/test/Preprocessor/wasm-target-features.c
@@ -134,12 +134,14 @@
 //
 // BLEEDING-EDGE-DAG:#define __wasm_nontrapping_fptoint__ 1{{$}}
 // BLEEDING-EDGE-DAG:#define __wasm_sign_ext__ 1{{$}}
+// BLEEDING-EDGE-DAG:#define __wasm_bulk_memory__ 1{{$}}
 // BLEEDING-EDGE-DAG:#define __wasm_simd128__ 1{{$}}
 // BLEEDING-EDGE-DAG:#define __wasm_atomics__ 1{{$}}
 // BLEEDING-EDGE-DAG:#define __wasm_mutable_globals__ 1{{$}}
+// BLEEDING-EDGE-DAG:#define __wasm_tail_call__ 1{{$}}
 // BLEEDING-EDGE-NOT:#define __wasm_unimplemented_simd128__ 1{{$}}
+// BLEEDING-EDGE-NOT:#define __wasm_exception_handling__ 1{{$}}
 // BLEEDING-EDGE-NOT:#define __wasm_multivalue__ 1{{$}}
-// BLEEDING-EDGE-NOT:#define __wasm_tail_call__ 1{{$}}
 // BLEEDING-EDGE-NOT:#define __wasm_reference_types__ 1{{$}}
 
 // RUN: %clang -E -dM %s -o - 2>&1 \

diff  --git a/llvm/lib/Target/WebAssembly/WebAssembly.td b/llvm/lib/Target/WebAssembly/WebAssembly.td
index 3a82778e0367..2c18bf2c3abe 100644
--- a/llvm/lib/Target/WebAssembly/WebAssembly.td
+++ b/llvm/lib/Target/WebAssembly/WebAssembly.td
@@ -102,7 +102,8 @@ def : ProcessorModel<"generic", NoSchedModel, []>;
 def : ProcessorModel<"bleeding-edge", NoSchedModel,
                       [FeatureSIMD128, FeatureAtomics,
                        FeatureNontrappingFPToInt, FeatureSignExt,
-                       FeatureMutableGlobals]>;
+                       FeatureMutableGlobals, FeatureBulkMemory,
+                       FeatureTailCall]>;
 
 //===----------------------------------------------------------------------===//
 // Target Declaration

diff  --git a/llvm/test/CodeGen/WebAssembly/target-features.ll b/llvm/test/CodeGen/WebAssembly/target-features.ll
index ffb414f670be..f479e12a1afa 100644
--- a/llvm/test/CodeGen/WebAssembly/target-features.ll
+++ b/llvm/test/CodeGen/WebAssembly/target-features.ll
@@ -83,13 +83,16 @@ attributes #2 = { "target-features"="+reference-types" }
 ; SIMD128-NEXT: .int8 7
 ; SIMD128-NEXT: .ascii "simd128"
 
-; +atomics, +mutable-globals, +nontrapping-fptoint, +reference-types, +sign-ext,
-; +simd128
-; BLEEDING-EDGE-NEXT: .int8   6
+; +atomics, +bulk-memory, +mutable-globals, +nontrapping-fptoint,
+; +reference-types, +sign-ext, +simd128, +tail-call
+; BLEEDING-EDGE-NEXT: .int8   8
 ; BLEEDING-EDGE-NEXT: .int8   43
 ; BLEEDING-EDGE-NEXT: .int8   7
 ; BLEEDING-EDGE-NEXT: .ascii  "atomics"
 ; BLEEDING-EDGE-NEXT: .int8   43
+; BLEEDING-EDGE-NEXT: .int8   11
+; BLEEDING-EDGE-NEXT: .ascii  "bulk-memory"
+; BLEEDING-EDGE-NEXT: .int8   43
 ; BLEEDING-EDGE-NEXT: .int8   15
 ; BLEEDING-EDGE-NEXT: .ascii  "mutable-globals"
 ; BLEEDING-EDGE-NEXT: .int8   43
@@ -104,5 +107,8 @@ attributes #2 = { "target-features"="+reference-types" }
 ; BLEEDING-EDGE-NEXT: .int8   43
 ; BLEEDING-EDGE-NEXT: .int8   7
 ; BLEEDING-EDGE-NEXT: .ascii  "simd128"
+; BLEEDING-EDGE-NEXT: .int8   43
+; BLEEDING-EDGE-NEXT: .int8   9
+; BLEEDING-EDGE-NEXT: .ascii  "tail-call"
 
 ; CHECK-NEXT: .text