| ; PR13504 | |
| ; RUN: llc -march=x86 -mcpu=atom <%s | FileCheck %s | |
| ; CHECK: bsfl | |
| ; CHECK-NOT: movl | |
| define i32 @foo(i32 %treemap) nounwind uwtable { | |
| entry: | |
| %sub = sub i32 0, %treemap | |
| %and = and i32 %treemap, %sub | |
| %0 = tail call i32 asm "bsfl $1,$0\0A\09", "=r,rm,~{dirflag},~{fpsr},~{flags}"(i32 %and) nounwind | |
| ret i32 %0 | |
| } | |