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; RUN: opt < %s -instcombine -S > %t
; RUN: not grep zext %t
; RUN: not grep slt %t
; RUN: grep {icmp ult} %t
; Instcombine should convert the zext+slt into a simple ult.
define void @foo(double* %p) nounwind {
entry:
br label %bb
bb:
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %bb ]
%t0 = and i64 %indvar, 65535
%t1 = getelementptr double* %p, i64 %t0
%t2 = load double* %t1, align 8
%t3 = fmul double %t2, 2.2
store double %t3, double* %t1, align 8
%i.04 = trunc i64 %indvar to i16
%t4 = add i16 %i.04, 1
%t5 = zext i16 %t4 to i32
%t6 = icmp slt i32 %t5, 500
%indvar.next = add i64 %indvar, 1
br i1 %t6, label %bb, label %return
return:
ret void
}
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