[CodeGen] Teach the peephole optimizer to remember (and exploit) all folding
[oota-llvm.git] / test / CodeGen / X86 / x86-64-frameaddr.ll
1 ; RUN: llc < %s -march=x86-64 | FileCheck %s
2
3 ; CHECK: stack_end_address
4 ; CHECK: {{movq.+rbp.*$}}
5 ; CHECK: {{movq.+rbp.*$}}
6 ; CHECK: ret
7
8 define i64* @stack_end_address() nounwind  {
9 entry:
10         tail call i8* @llvm.frameaddress( i32 0 )
11         bitcast i8* %0 to i64*
12         ret i64* %1
13 }
14
15 declare i8* @llvm.frameaddress(i32) nounwind readnone