1 ; RUN: opt -S -early-cse < %s | FileCheck %s 2 target datalayout = "E-m:e-i64:64-n32:64" 3 target triple = "powerpc64-unknown-linux-gnu" 4 5 ; Function Attrs: nounwind 6 define i64 @f(i64 %x) #0 { 7 entry: 8 %0 = call i64 @llvm.read_register.i64(metadata !0) 9 call void bitcast (void (...)* @foo to void ()*)() 10 %1 = call i64 @llvm.read_register.i64(metadata !0) 11 %add = add nsw i64 %0, %1 12 ret i64 %add 13 } 14 15 ; CHECK-LABEL: @f 16 ; CHECK: call i64 @llvm.read_register.i64 17 ; CHECK: call i64 @llvm.read_register.i64 18 19 ; Function Attrs: nounwind readnone 20 declare i64 @llvm.read_register.i64(metadata) #1 21 22 ; Function Attrs: nounwind 23 declare void @llvm.write_register.i64(metadata, i64) #2 24 25 declare void @foo(...) 26 27 attributes #0 = { nounwind } 28 attributes #1 = { nounwind readnone } 29 attributes #2 = { nounwind } 30 31 !llvm.named.register.r1 = !{!0} 32 33 !0 = !{!"r1"} 34 35
