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1; RUN: opt -S -passes=early-cse -earlycse-debug-hash < %s | FileCheck %s2; RUN: opt -S -passes='early-cse<memssa>' < %s | FileCheck %s3target datalayout = "E-m:e-i64:64-n32:64"4target triple = "powerpc64-unknown-linux-gnu"5 6; Function Attrs: nounwind7define i64 @f(i64 %x) #0 {8entry:9 %0 = call i64 @llvm.read_register.i64(metadata !0)10 call void @foo()11 %1 = call i64 @llvm.read_register.i64(metadata !0)12 %add = add nsw i64 %0, %113 ret i64 %add14}15 16; CHECK-LABEL: @f17; CHECK: call i64 @llvm.read_register.i6418; CHECK: call i64 @llvm.read_register.i6419 20; Function Attrs: nounwind readnone21declare i64 @llvm.read_register.i64(metadata) #122 23; Function Attrs: nounwind24declare void @llvm.write_register.i64(metadata, i64) #225 26declare void @foo(...)27 28attributes #0 = { nounwind }29attributes #1 = { nounwind readnone }30attributes #2 = { nounwind }31 32!llvm.named.register.r1 = !{!0}33 34!0 = !{!"r1"}35 36