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; RUN: llc < %s -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \
; RUN: grep {pre-alloc-split} | grep {Number of intervals split} | grep 1
@current_surfaces.b = external global i1 ; <i1*> [#uses=1]
declare double @sin(double) nounwind readonly
declare double @asin(double) nounwind readonly
declare double @tan(double) nounwind readonly
define fastcc void @trace_line(i32 %line) nounwind {
entry:
%.b3 = load i1* @current_surfaces.b ; <i1> [#uses=1]
br i1 %.b3, label %bb, label %return
bb: ; preds = %bb9.i, %entry
%.rle4 = phi double [ %8, %bb9.i ], [ 0.000000e+00, %entry ] ; <double> [#uses=1]
%0 = load double* null, align 8 ; <double> [#uses=3]
%1 = fcmp une double %0, 0.000000e+00 ; <i1> [#uses=1]
br i1 %1, label %bb9.i, label %bb13.i
bb9.i: ; preds = %bb
%2 = fsub double %.rle4, %0 ; <double> [#uses=0]
%3 = tail call double @asin(double 0.000000e+00) nounwind readonly ; <double> [#uses=0]
%4 = tail call double @sin(double 0.000000e+00) nounwind readonly ; <double> [#uses=1]
%5 = fmul double %4, %0 ; <double> [#uses=1]
%6 = tail call double @tan(double 0.000000e+00) nounwind readonly ; <double> [#uses=0]
%7 = fmul double %5, 0.000000e+00 ; <double> [#uses=1]
%8 = fadd double %7, 0.000000e+00 ; <double> [#uses=1]
br i1 false, label %return, label %bb
bb13.i: ; preds = %bb
unreachable
return: ; preds = %bb9.i, %entry
ret void
}
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