| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc < %s -mattr=+simd128 | FileCheck %s | |
| ; Regression test for a crash caused by | |
| ; WebAssemblyTargetLowering::ReplaceNodeResults not being | |
| ; implemented. Since SIMD is enabled, sign_ext_inreg is custom lowered | |
| ; but the result is i16, an illegal value. This requires | |
| ; ReplaceNodeResults to resolve, but the default implementation is to | |
| ; abort. | |
| target triple = "wasm32-unknown-emscripten" | |
| define void @foo() { | |
| ; CHECK-LABEL: foo: | |
| ; CHECK: .functype foo () -> () | |
| ; CHECK-NEXT: .local i32 | |
| ; CHECK-NEXT: # %bb.0: # %entry | |
| ; CHECK-NEXT: i32.const 0 | |
| ; CHECK-NEXT: local.get 0 | |
| ; CHECK-NEXT: i32.load8_s 0 | |
| ; CHECK-NEXT: i32.store16 0 | |
| ; CHECK-NEXT: # fallthrough-return | |
| entry: | |
| %0 = load ptr, ptr undef, align 4 | |
| %1 = load i32, ptr %0, align 4 | |
| %2 = load i32, ptr undef, align 4 | |
| %conv67 = trunc i32 %2 to i8 | |
| %conv68 = sext i8 %conv67 to i16 | |
| store i16 %conv68, ptr null, align 2 | |
| ret void | |
| } |