Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/CodeGen/WebAssembly/unreachable.ll

@@ -0,0 +1,34 @@
+; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -asm-verbose=false -fast-isel -fast-isel-abort=1 -verify-machineinstrs | FileCheck %s
+
+; Test that LLVM unreachable instruction and trap intrinsic are lowered to
+; wasm unreachable
+
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown-wasm"
+
+declare void @llvm.trap()
+declare void @llvm.debugtrap()
+declare void @abort()
+
+; CHECK-LABEL: f1:
+; CHECK: call abort@FUNCTION{{$}}
+; CHECK: unreachable
+define i32 @f1() {
+  call void @abort()
+  unreachable
+}
+
+; CHECK-LABEL: f2:
+; CHECK: unreachable
+define void @f2() {
+  call void @llvm.trap()
+  ret void
+}
+
+; CHECK-LABEL: f3:
+; CHECK: unreachable
+define void @f3() {
+  call void @llvm.debugtrap()
+  ret void
+}