[llvm] r344094 - [WebAssembly] Handle V128 register class in explicit locals pass

[Thomas Lively via llvm-commits]

Author: tlively
Date: Tue Oct  9 16:33:16 2018
New Revision: 344094

URL: http://llvm.org/viewvc/llvm-project?rev=344094&view=rev
Log:
[WebAssembly] Handle V128 register class in explicit locals pass

Summary:
Also add tests to catch crashes in passes that are not normally run in
tests.

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D52959

Modified:
    llvm/trunk/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
    llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll

Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp?rev=344094&r1=344093&r2=344094&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp Tue Oct  9 16:33:16 2018
@@ -157,6 +157,8 @@ static MVT typeForRegClass(const TargetR
     return MVT::f32;
   if (RC == &WebAssembly::F64RegClass)
     return MVT::f64;
+  if (RC == &WebAssembly::V128RegClass)
+    return MVT::v16i8;
   if (RC == &WebAssembly::EXCEPT_REFRegClass)
     return MVT::ExceptRef;
   llvm_unreachable("unrecognized register class");

Modified: llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll?rev=344094&r1=344093&r2=344094&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/simd-arith.ll Tue Oct  9 16:33:16 2018
@@ -5,6 +5,10 @@
 ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-simd128 | FileCheck %s --check-prefixes CHECK,NO-SIMD128
 ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=-simd128 -fast-isel | FileCheck %s --check-prefixes CHECK,NO-SIMD128
 
+; check that a non-test run (including explicit locals pass) at least finishes
+; RUN: llc < %s -O0 -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext
+; RUN: llc < %s -O2 -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext
+
 ; Test that basic SIMD128 arithmetic operations assemble as expected.
 
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"