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[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

llvm-svn: 344094
This commit is contained in:
Thomas Lively 2018-10-09 23:33:16 +00:00
parent 72d4866e57
commit 409f5840a7
2 changed files with 6 additions and 0 deletions
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2
llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
View File

@ -157,6 +157,8 @@ static MVT typeForRegClass(const TargetRegisterClass *RC) {
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");

4
llvm/test/CodeGen/WebAssembly/simd-arith.ll
View File

@ -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"