diff options
Diffstat (limited to 'llvm/test/CodeGen/WebAssembly/simd-load-splat.ll')
| -rw-r--r-- | llvm/test/CodeGen/WebAssembly/simd-load-splat.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/simd-load-splat.ll b/llvm/test/CodeGen/WebAssembly/simd-load-splat.ll new file mode 100644 index 00000000000..4e693c285a3 --- /dev/null +++ b/llvm/test/CodeGen/WebAssembly/simd-load-splat.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+unimplemented-simd128 | FileCheck %s + +; Regression test for an ISel failure when a splatted load had more +; than one use. The main tests for load_splat are in simd-offset.ll. + +target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-unknown" + +; CHECK-LABEL: load_splat: +; CHECK-NEXT: .functype load_splat (i32, i32) -> (i32) +; CHECK-NEXT: i32.load8_u $[[E:[0-9]+]]=, 0($0){{$}} +; CHECK-NEXT: v8x16.load_splat $push[[V:[0-9]+]]=, 0($0){{$}} +; CHECK-NEXT: v128.store 0($1), $pop[[V]]{{$}} +; CHECK-NEXT: return $[[E]]{{$}} +define i8 @load_splat(i8* %p, <16 x i8>* %out) { + %e = load i8, i8* %p + %v1 = insertelement <16 x i8> undef, i8 %e, i32 0 + %v2 = shufflevector <16 x i8> %v1, <16 x i8> undef, <16 x i32> zeroinitializer + store <16 x i8> %v2, <16 x i8>* %out + ret i8 %e +} |
