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1; RUN: llc < %s -O1 --debug-pass=Structure 2>&1 | FileCheck %s --check-prefix=O12; RUN: llc < %s -O2 --debug-pass=Structure 2>&1 | FileCheck %s --check-prefix=O23 4; Test if RegisterCoalesce pass is disabled in -O1.5 6; O1-NOT: Register Coalescer7; O2: Register Coalescer8target triple = "wasm32-unknown-unknown"9 10define void @test() {11 ret void12}13