target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" %fum = type { %aab, i8, [7 x i8] } %aab = type { %aba } %aba = type { [8 x i8] } %fum.1 = type { %abb, i8, [7 x i8] } %abb = type { %abc } %abc = type { [4 x i8] } declare void @foo(%fum) declare %fum.1 @"llvm.ssa.copy.s_fum.1s"(%fum.1) declare %fum @"llvm.ssa.copy.s_fums"(%fum) define void @foo1(%fum %a, %fum.1 %b) { %b.copy = call %fum.1 @"llvm.ssa.copy.s_fum.1s"(%fum.1 %b) %a.copy = call %fum @"llvm.ssa.copy.s_fums"(%fum %a) ret void } define void @foo2(%fum.1 %b, %fum %a) { %a.copy = call %fum @"llvm.ssa.copy.s_fums"(%fum %a) %b.copy = call %fum.1 @"llvm.ssa.copy.s_fum.1s"(%fum.1 %b) ret void }