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1; RUN: opt %s -S -o - | FileCheck %s2 3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6; Note: this test mimics how the naming could have been after parsing in IR in7; a LLVMContext where some types were already available; but before the8; remangleIntrinsicFunctions has happened:9; The @llvm.ssa.copy intrinsics will have to be remangled.10; In certain cases (as shown here) the remangling can result in a name clash.11; This is also related to the llvm/test/tools/llvm-linker/remangle.ll testcase that checks12; a similar situation in the bitcode reader.13 14%fum = type { %aab, i8, [7 x i8] }15%aab = type { %aba }16%aba = type { [8 x i8] }17%fum.1 = type { %abb, i8, [7 x i8] }18%abb = type { %abc }19%abc = type { [4 x i8] }20 21declare void @foo(%fum*)22 23; Will be remagled to @"llvm.ssa.copy.s_fum.1s"24declare %fum.1 @"llvm.ssa.copy.s_fums"(%fum.1)25 26; Will be remagled to @"llvm.ssa.copy.s_fums"27declare %fum @"llvm.ssa.copy.s_fum.1s"(%fum)28 29define void @foo1(%fum %a, %fum.1 %b) {30 %b.copy = call %fum.1 @"llvm.ssa.copy.s_fums"(%fum.1 %b)31 %a.copy = call %fum @"llvm.ssa.copy.s_fum.1s"(%fum %a)32 ret void33}34 35define void @foo2(%fum.1 %b, %fum %a) {36 %a.copy = call %fum @"llvm.ssa.copy.s_fum.1s"(%fum %a)37 %b.copy = call %fum.1 @"llvm.ssa.copy.s_fums"(%fum.1 %b)38 ret void39}40 41; CHECK-DAG: %fum = type { %aab, i8, [7 x i8] }42; CHECK-DAG: %aab = type { %aba }43; CHECK-DAG: %aba = type { [8 x i8] }44; CHECK-DAG: %fum.1 = type { %abb, i8, [7 x i8] }45; CHECK-DAG: %abb = type { %abc }46; CHECK-DAG: %abc = type { [4 x i8] }47 48; CHECK-LABEL: define void @foo1(%fum %a, %fum.1 %b) {49; CHECK-NEXT: %b.copy = call %fum.1 @llvm.ssa.copy.s_fum.1s(%fum.1 %b)50; CHECK-NEXT: %a.copy = call %fum @llvm.ssa.copy.s_fums(%fum %a)51; CHECK-NEXT: ret void52 53; CHECK-LABEL: define void @foo2(%fum.1 %b, %fum %a) {54; CHECK-NEXT: %a.copy = call %fum @llvm.ssa.copy.s_fums(%fum %a)55; CHECK-NEXT: %b.copy = call %fum.1 @llvm.ssa.copy.s_fum.1s(%fum.1 %b)56; CHECK-NEXT: ret void57 58; CHECK: declare %fum.1 @llvm.ssa.copy.s_fum.1s(%fum.1 returned)59 60; CHECK: declare %fum @llvm.ssa.copy.s_fums(%fum returned)61