1; RUN: llc < %s -O1 --debug-pass=Structure 2>&1 | FileCheck %s --check-prefix=O1 2; RUN: llc < %s -O2 --debug-pass=Structure 2>&1 | FileCheck %s --check-prefix=O2 3 4; Test if RegisterCoalesce pass is disabled in -O1. 5 6; O1-NOT: Register Coalescer 7; O2: Register Coalescer 8target triple = "wasm32-unknown-unknown" 9 10define void @test() { 11 ret void 12} 13