| ; RUN: llc < %s -fast-isel -mattr=+simd128,+sign-ext -verify-machineinstrs |
| |
| ;; Ensures fastisel produces valid code when storing and loading split |
| ;; up v2i64 values. Lowering away v2i64s is a temporary measure while |
| ;; V8 does not have support for i64x2.* operations, and is done when |
| ;; -wasm-enable-unimplemented-simd is not present. This is a |
| ;; regression test for a bug that crashed llc after fastisel produced |
| ;; machineinstrs that used registers that had never been defined. |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| define i64 @foo(<2 x i64> %vec) { |
| entry: |
| %vec.addr = alloca <2 x i64>, align 16 |
| store <2 x i64> %vec, <2 x i64>* %vec.addr, align 16 |
| %0 = load <2 x i64>, <2 x i64>* %vec.addr, align 16 |
| %1 = extractelement <2 x i64> %0, i32 0 |
| ret i64 %1 |
| } |
