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; RUN: llc < %s -march=x86-64 | grep cvtsi2sd
; LSR previously eliminated the sitofp by introducing an induction
; variable which stepped by a bogus ((double)UINT32_C(-1)). It's theoretically
; possible to eliminate the sitofp using a proper -1.0 step though; this
; test should be changed if that is done.
define void @foo(i32 %N) nounwind {
entry:
%0 = icmp slt i32 %N, 0 ; <i1> [#uses=1]
br i1 %0, label %bb, label %return
bb: ; preds = %bb, %entry
%i.03 = phi i32 [ 0, %entry ], [ %2, %bb ] ; <i32> [#uses=2]
%1 = sitofp i32 %i.03 to double ; <double> [#uses=1]
tail call void @bar(double %1) nounwind
%2 = add nsw i32 %i.03, -1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %2, %N ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
return: ; preds = %bb, %entry
ret void
}
declare void @bar(double)
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