blob: 1f5baa10efd55ca2e1a09fe391efba12f4f2ecdb [file] [log] [blame]
; RUN: opt < %s -passes=instcombine
define i32 @f(i32 %theNumber) {
entry:
%cmp = icmp sgt i32 %theNumber, -1
call void @llvm.assume(i1 %cmp)
br i1 true, label %if.then, label %if.end
if.then: ; preds = %entry
%shl = shl nuw i32 %theNumber, 1
br label %if.end
if.end: ; preds = %if.then, %entry
%phi = phi i32 [ %shl, %if.then ], [ undef, %entry ]
ret i32 %phi
}
declare void @llvm.assume(i1)