1 ; RUN: opt -S -early-cse < %s | FileCheck %s 2 ; RUN: opt -S -basicaa -early-cse-memssa < %s | FileCheck %s 3 target datalayout = "E-m:e-i64:64-n32:64" 4 target triple = "powerpc64-unknown-linux-gnu" 5 6 ; Function Attrs: nounwind 7 define i64 @f(i64 %x) #0 { 8 entry: 9 %0 = call i64 @llvm.read_register.i64(metadata !0) 10 call void bitcast (void (...)* @foo to void ()*)() 11 %1 = call i64 @llvm.read_register.i64(metadata !0) 12 %add = add nsw i64 %0, %1 13 ret i64 %add 14 } 15 16 ; CHECK-LABEL: @f 17 ; CHECK: call i64 @llvm.read_register.i64 18 ; CHECK: call i64 @llvm.read_register.i64 19 20 ; Function Attrs: nounwind readnone 21 declare i64 @llvm.read_register.i64(metadata) #1 22 23 ; Function Attrs: nounwind 24 declare void @llvm.write_register.i64(metadata, i64) #2 25 26 declare void @foo(...) 27 28 attributes #0 = { nounwind } 29 attributes #1 = { nounwind readnone } 30 attributes #2 = { nounwind } 31 32 !llvm.named.register.r1 = !{!0} 33 34 !0 = !{!"r1"} 35 36
