| ; RUN: opt -S -early-cse < %s | FileCheck %s |
| ; RUN: opt -S -basicaa -early-cse-memssa < %s | FileCheck %s |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind |
| define i64 @f(i64 %x) #0 { |
| entry: |
| %0 = call i64 @llvm.read_register.i64(metadata !0) |
| call void bitcast (void (...)* @foo to void ()*)() |
| %1 = call i64 @llvm.read_register.i64(metadata !0) |
| %add = add nsw i64 %0, %1 |
| ret i64 %add |
| } |
| |
| ; CHECK-LABEL: @f |
| ; CHECK: call i64 @llvm.read_register.i64 |
| ; CHECK: call i64 @llvm.read_register.i64 |
| |
| ; Function Attrs: nounwind readnone |
| declare i64 @llvm.read_register.i64(metadata) #1 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.write_register.i64(metadata, i64) #2 |
| |
| declare void @foo(...) |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
| |
| !llvm.named.register.r1 = !{!0} |
| |
| !0 = !{!"r1"} |
| |
