; PR13504 | |
; RUN: llc -mtriple=i686-- -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 | |
} | |