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; RUN: not llc -mtriple=amdgcn -mcpu=gfx900 < %s 2>&1 | FileCheck -check-prefixes=GCN %s ; RUN: not llc -mtriple=amdgcn -mcpu=gfx906 < %s 2>&1 | FileCheck -check-prefixes=GCN %s ; GCN: couldn't allocate input reg for constraint 'a' define amdgpu_kernel void @used_1a() { call void asm sideeffect "", "a"(i32 1) ret void }